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Home My WebLink AboutExhibit 3 - Exhibit 3 - 3-19-08 Fluor ReportExhibit No. 3 Fluor Report dated March 19, 2008 3.1 THIS PAGE LEFT BLANK INTENTIONALLY 14 WMI, 3.2 City of Newport Beach FLUOR, Hoag Hospital Cogeneration Facility Plume Mitigation Review Study Report PROJECT NO.: 0OA3YZ This document has been revised as indicated below. Please replace all pages of this document and destroy the superseded copies. Rev. Date Description By Chk'd Approvals Disc Lead Fluor City of Newport Beach 0 19Mar08 Final Report FN MW FN FN 0 Entire Document Issued this Revision Remarks: ❑ Revised Pages Only Issued this Revision Revised Page Nos. 3.3 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No, 00A3YZ Flume Mitigation Measure Review Table of Contents FLUOR, DATE 9Mar1D8 PAGE 2 O 10 Rev 0 1.0 INTRODUCTION ......................................................................................................................................... 3 11 PURPOSE <]F STUDY ........................................................................................................................... 3 1.2 SCOPE OF EVALUATION REPORT ..................................................................................................... 3 1.3 PROJECT HISTORY AND BACKGROUND ........................................................................................... 3 1'4 O8MPD ........—....—....—..... ........... ............................................................................... @ 2.0 COOLING TOWER PLUME ABATEMENT OPTIONS REVIEW AND EVALUATION ............................... 4 ExistingSystem Description .............................................................................................................................. @ 2.1 OPTION 1' MODIFY COOLING TOWER OPERATIONAL SEQUENCES ........................................... 5 2.2 OPTION 2' MODIFY CONDENSER WATER PUMPING AND PIPING SYSTEM ................................. O 2.3 OPTION 3 ................................................................................................................................................ 7 A Option 3-1. Install new Tower with Plume Mitigation System ............................................................. 7 B. Option 3^2 retrofit existing cooling tower with plume mitigation system ............................................ 7 2.4 ALTERNATE OPTION — INSTALL REMOTE AIR TO WATER HEAT EXCHANGERS AND PROVIDE OUTSIDE AIR INTAKE WITH MOTORIZED DAMPER <]N EXISTING TOWER CELLS ................ 7 3.0 COGENERATION ENGINE EXHAUST HEAT PLUME ABATEMENT OPTION REVIEW AND EVALUATION......................................................................................................................................................... B Existing System Description ........--....—....------'..--.----..—....—...8 31 OPTION 1~ MECHANICAL DILUTION SYSTEM ................................................................................... 9 3.2 OPTION 2 —RELOCATE STACK DISCHARGE TO HORIZONTAL POSITION ................................... 9 3.3 OPTION 3 —EXHAUST ECONOMIZER .................................................................................................. 9 4.0 COGENERATION PLANT STEAM VENTS ...................................................................... ....................... 1O !iO APPENDICES: .......................................................................................................................................... 1O A Hoag Hospital Lower Campus Cogeneration Plant Executive Summary ~ November 2UO7 ........... 1O B. Plume Mitigation Measure Summary ~ February 15.2OOB ............................................................... 1O C. Trending Data and plume observation photos for 18 events in January and February 2008 — Report date February 21.2OOU(UpUato) .................................................................................................................. 1O D. Cooling Tower Manufacturer (0edey) —Plume Model August 2OO2 ......................................... ........ 1O EXHAU8TO........................................................................................................................................... 1O E. ........................... ....................................................................................................................................... 1O F. Cooling Tower Water Vapor Abatement — September 2OO7 ............................................................. 1O G . Technical Response to Cooling Tower Water Vapor Abatement (Appendix F) ................................ 10 City of Newport Beach Hoag Hospital—Plume Mitigation Measum ReviewStudy_Rev03_19_08.doc .31 q City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. OOA3YZ Plume Mitigation Measure Review 1.0 INTRODUCTION FLUOR• DATE 19Mar08 PAGE 3OF 10 Rev 0 Fluor Enterprises, Inc. was requested by Newport Beach City Planning Department to review the engineering evaluations and study reports presented by Hoag Hospital to the City. These reports were prepared on behalf of Hoag Hospital by three different engineering firms: Optimum System Solution, Inc., Newport Engineering Consultants and SYSKA HENNESSY Group. The subject reports propose and evaluate various engineering solutions to address aesthetic issues and concerns raised by neighboring community and residents. (Refer to the appendices for a complete copy of the reports) The aesthetic issues and concerns associated with Cogeneration Plant Operation as identified by neighboring residents and City for evaluation are as follows: • Cooling Tower Plume • Engine Exhaust Heat Plume • Steam Plume from Cogeneration Plant Steam Vents 1.1 PURPOSE OF STUDY The purpose of this study report is to evaluate the plume abatement options presented by Hoag Memorial Hospital's Engineer to City of Newport Beach Planning Department, and comment on the construction budget cost, feasibility and their efficacy. Please note that cost estimate associated with each alternative as discussed herein is prepared by Hoag Hospital's Consultant and /or Contractor. Fluor was not provided with adequate supporting document to review and validate these estimates. Please see respective sections with detail comment associated with cost estimate on each system and /or option. 1.2 SCOPE OF EVALUATION REPORT Fluor's scope of evaluation is limited to the final options presented in "Plume Mitigation Measure Summary" published on February 15, 2008 by SYSKA HENNESSY Group (Hoag's Engineer). This report presents a summary of proposed solutions to the observed issues associated with Tower Plume, Engine Exhaust Heat Plume and Steam Plume from vents. (See Appendix E) In addition to the sum mary report, Fluor also reviewed cooling tower trending data and plume observation photos as well as two evaluation reports by SYSKA HENNESSY Group, Optimum System Solutions, Inc., Newport Engineering Consultants and finally a cooling tower computer generated plume model by the cooling tower manufacturer (Marley). Refer to the appendices for copy of above mentioned information. 1.3 PROJECT HISTORY AND BACKGROUND The existing Cogeneration plant was designed and constructed in compliance with 2001 California Building Codes (CBC), which is based on 1997 Uniform Building Codes (UBC), and was submitted to Office of Statewide Health Planning and Development (OSHPD) for review and approval. The building City of Newport Beach_ Hoag Hospital Plume Mitigation Measure Review Study_RevO 3_19_08.doc 7.7 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review FLUOR, DATE 19MarO8 PAGE 4 OF 10 Rev 0 construction took place during 2004 and 2005 and it is currently in operation providing electricity, chilled water, heating hot water and steam for Hoag Hospital. For further project and permitting history refer to Appendix A- "Hoag Hospital Lower Campus Cogeneration Plant Executive Summary — November 2007" provided by Hoag Hospital. 1A OSHPD OSHPD is an abbreviation or acronym for Office of Statewide Health Planning and Development - State of California. OSHPD provides several healthcare related services, including healthcare facility construction documents review and processing of approvals and permitting for healthcare facility construction in their Facility Development Division (FDD). As of January 2008, any hospital facility design, modification and construction documents is to be submitted to OSHPD for review and approval in accordance with current regulations and 2007 California Building Codes (CBC), which is based on 2006 International Building Codes (ICC). Based on our conversation with OSHPD representative, their standard time duration for plan check is 60 days to review initial submittal and 30 days for each subsequent submittal to assure all comments are incorporated into design document so permit could be issued. Times indicated herein could be shorter or longer depending on OSHPD bad and number of projects in review. Fees associated with document review and permitting is about 3% of project construction cost. Code Analysis is not in Fluor's scope of work This section is provided to inform the reader of the current building codes adopted by State of California. The engineer performing the design modification is to do a code analysis at the concept stage of design to determine the applicable codes and regulations (National, State and Local). During the code study, engineer is to make an assessment of systems or building, and determine any required upgrade for the purpose of compliance with new codes and regulations. 2.0 COOLING TOWER PLUME ABATEMENT OPTIONS REVIEW AND EVALUATION This review assesses the efficacy of the three proposed plume abatement methodologies and associated cost as proposed by Hoag's engineer, SYSKA HENNESSY Group. Fluor has also proposed an alternate option (3A) which we believe, when used in conjunction with Option 1, it offers acceptable level of plume abatement with much less cost than the budget associated with proposed option 3, replacing all four cooling tower cells. The Alternate option proposed by Fluor, as per planning department's request, was not developed any further due to budgetary and time constraints. For alternate option 3A concept description see paragraph 2.4 this document. Existing System Description The existing cooling tower system consists of a Marley (SPX Cooling Technologies) Class 400, 4-cell mechanical, FRP field erected, counter flow cooling tower and the associated pumping system for City of Newport Beach_ Hoag Hospital_Plume Mitigation Measure Review Study_RevO 3_19_08.doc S.& City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review FLUOR® DATE 19Mar08 PAGE 5 OF 10 Rev 0 delivering cooling tower water (Condenser Water) to remove heat from engine tube oil cooler, engine intercoolers, electric chiller and absorption units. The warm condenser water return passes through the cooling towers, rejecting the heat to atmosphere. This heat removal is accomplished mostly by water evaporation, which at times, due to atmospheric conditions such as high relative humidity and low temperature, forms a thick water vapor plume. 2.1 OPTION 1 - MODIFY COOLING TOWER OPERATIONAL SEQUENCES Option Summary Description Modifications under Option 1 require operating more tower cells than required with higher fan speed. This modification spreads the load amongst more cells, thus incrementally reduces plume emission. Hoag engineers believe that this opfion will reduce the plume by approximately 10 -15%. Option Evaluation Reviewing the trending data and associated photos for option 1, it appears that at extreme outdoor air conditions (low temperaturethigh humidity); this mode of operation has minimal to no effect on plume reduction. The data and associated photos were categorized in following four distinct groups. Then visual effect shown in each photo for 3 and 4 tower cell operation was compared for efficacy and percentage of event in each category with respect to the total number of events (18) was calculated for comparison purposes as shown below (Refer to Appendix C for photos and trending data); 1. Plume emission from 3 towers vs. 4 towers in operation is equal and as dense (See Events 2, 4, 11, 13, 14 and 15 out of 18 Events). Thus Option 1, in about 33% of the times is not effective. 2. Plume emission from 3 towers vs. 4 towers in operation is equal and not appreciably different (See Events 3, 5, 9, 16 and 18 out of 18 Events). Thus Option 1, in about 28% of times does not make an appreciable or noticeable difference. Note that Event 3 indicates very little or no plume for both 3 and 4 tower operation. 3. Plume emissions from 3 towers vs. 4 towers in operation are greater/equal (See Events 6, 7, 8 and 10 out of 18 Events). Thus Option 1, in about 22% of times does make a small but noticeable difference. 4. Number of times Plume emission from 3 towers in operation is greater than 4 towers in operation greater (See Events 1, 12 and 17 out of 18 Events). Thus Option 1, in about 17% of times does make an appreciable and more noticeable difference. During the site testing, and recording of the trending data (See Appendix C), the cooling towers were loaded between 45-58% of their maximum rated capacity. It is noteworthy to mention that an increase in condenser water utilization, at similar atmospheric conditions as the site testing data, will increase the discharge plume density. Other factors that also increase plume density are low ambient air temperature and high ambient relative humidity. Also the local micro- climates (on-shore/off-shore City of Newport Beach_ Hoag Hospital—Plume Mitigation Measure Review Study_RevO 3_19_08.doc 3.7 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review ,FLUOk DATE 19Mar08 PAGE 6 OF 10 Rev 0 winds, the proximity of the ocean and the varying ocean temperatures) will make it difficult to establish a consistent set of ambient criteria with which to determine the impact to the cooling tower discharge plume. . The plume mitigation summary report (see Appendix 8) states that there is an increase in energy consumption ($12,000 annual cost) which also results an increase in the Hoag Hospital's carbon foot print. Based on our conversation with Hoag's engineer, the energy cost is a rough order of magnitude (ROM) estimate only, which means there might be a difference of as much as +/-30% from the actual costs. To determine a more accurate energy consumption and carbon foot print, a computer simulation of the tower operation is required. In conclusion, in most cases, this solution does not reduce the plume effectively. The incremental effect is only appreciable in about 17% of the recorded events. Considering this data to be representative of the cogeneration's current operation, Fluor recommends implementation of this option in conjunction with other options identified below. 2.2 OPTION 2 - MODIFY CONDENSER WATER PUMPING AND PIPING SYSTEM In this option, Hoag's engineer is proposing to blend cooler water from the tower basin with condenser return water to reduce the return water temperature, assuming cooler return water would reduce plume emission from cooling tower. The construction cost is reported by Hoag to be about $0.50 million and the modified system would experience an increase in energy consumption ($24,000 annual cost) which consequently results an increase in the Hoag Hospital's carbon foot print. Based on our conversation with Hoag's engineer, the construction as well as energy costs are again Rough Order of Magnitude (ROM) estimates only. To determine a more accurate construction cost a schematic design is required in order to provide a budget cost with higher level of certainty. For more accurate energy consumption and carbon foot print, a computer simulation of the tower operation is required. This methodology, even though it reduces the condenser water return temperature by a few degrees, would not offer appreciable plume reduction result if the condenser water supply temperature has to remain at 78 degrees or higher. This methodology might show some results only when more cooling towers are operated than required by the load with a higher airflow. This higher volume of airflow normally produces lower condenser water supply temperature than the absorption chillers could handle and cause chiller shut down. At the lower fan speed, since condenser water still will contain the same amount of heat energy (in higher volume of water), then the latent heat removal by the cooling towers remains the same and no appreciable reduction of the plume would be experienced. It is noteworthy to mention that for now, with the current tower utilization (45% to 68% of capacity), the use of water from the tower basin is possible. However, when new chillers) and gas engine(s) are added to serve heating, cooling and electrical needs of the expanding hospital, the cooling tower reserve capacity diminishes and as a result, the system would not have enough capacity to supply basin water for mixing with the condenser water return. In conclusion, for the reasoning menfioned above, the proposed option will be of minimal effectiveness City of Newport Beach_ Hoag Hospital_Plume Mitigation Measure Review Study_RevO 3_19_08.doc 3.S City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review 2.3 OPTION 3 A Option 3-1, Install new Tower with Plume Mitigation System FLUOR, DATE 19Mar08 PAGE 7 OF 10 Rev 0 Replacing existing towers with new towers with plume abatement equipment incorporated would be the most effective solution to reduce the plume. Hoag's engineer estimates an incremental plume reduction of about 70%. This estimate, considering the local micro- climate and our experience with similar technologies is a fair estimate of plume reduction. It is noteworthy to indicate that higher percentages of plume reduction is possible, however an incremental gain in efficacy does not justify increased equipment cost, size and the operational cost associated with the system. This option will have longer construction schedule as well as the possibility of disruptions in service and system downtime with the reconstruction of the cooling towers and associated systems. This disruption could be minimized by proper system design and construction management. However working on the structure and demolishing sections of structure while the tower is in operation does pose higher level of risk to ongoing operation than option 3A The cost estimate ($9.3mm) provided by Hoag's engineers is high, and due to lack of schematic design and supporting documents, it is difficult to substantiate and validate its content. Based on our engineering judgment and conversations with Hoag's engineers, specific items such as Insurance cost, OSHPD fees, Cooling Tower equipment, Boiler and associated equipment, including installation costs were questioned and it was agreed that the estimate should be re- visited. During further discussion with Hoag's representative on 3/17/08, 1 was informed that Hoag's engineer is working on a new estimate and they will publish it within next two days. Thus we will not make any further comment until the revised estimate is available for our review and comment. B. Option 3 -2, retrofit existing cooling tower with plume mitigation system Retrofitting the existing towers by adding plume mitigation equipment to the existing structure was studied by Hoag's engineer, but due to structural complications, seismic issues, cost and downtime, it was concluded infeasible to pursue any further. We do agree with the conclusion. Adding dry tower onto existing structure is infeasible. 2A ALTERNATE OPTION (3A) — INSTALL REMOTE AIR TO WATER HEAT EXCHANGERS AND PROVIDE OUTSIDE AIR INTAKE WITH MOTORIZED DAMPER ON EXISTING TOWER CELLS Fluor's proposed alternate option (3A) requires adding a side stream air to water heat exchanger (HX) system consisting of two to four HX sections and associated pumping system for dry cooling. Additionally, this option would require the installation of outside air intake openings with motorized dampers in the fan section of each cooling tower cell for mixing dry ambient air with moist tower discharge air. This arrangement reduces condenser water return temperature and lowers the discharge air relative humidity from tower thus reducing the chance of plume formation. Plume reduction of about 50% should be achievable when this option and option 1 both are implemented. City of Newport Beach_ Hoag Hospital—Plume Mitigalion Measure Review Study_RevO 3_19_08.doc 3.1 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. OOA3YZ Plume Mitigation Measure Review FLUOR. DATE 19Mar08 PAGE 8OF 10 Rev 0 Note that the performance of this system is dependant on optimized equipment sizing and system configuration. The Building Management/Automation System (BMS) would need to be upgraded by adding a weather station capable of providing ambient temperature and relative humidity. BMS also need to be programmed for automatic switch over to plume abatement mode based on trending data collected by Hoag's engineer (See Appendix C). The system will be switched to plume abatement mode of operation only during the times which plume is most likely to form, thus limiting energy consumption by auxiliary systems to the period of time that plume formation is expected. The estimated cost associated with this system would be roughly between $2 to $5 million dollars. To provide better cost estimates and performance evaluation, a schematic design would be required. Note that the performance of this system is dependant on optimized equipment sizing and system configuration. This option (3A) would be done in conjunction with option 1. This option's efficacy would not be as good as option 3 -1, tower replacement but it would provide significant plume abatement at a lower cost and system downtime would be less than that compared to option 3 -1. Since the dry cooling system is completely separate installation, existing operation except connection to the existing tower pumping system, the dry cooling system could be installed and started without impacting ongoing operation. 3.0 COGENERATION ENGINE EXHAUST HEAT PLUME ABATEMENT OPTION REVIEW AND EVALUATION This review assesses efficacy of the three proposed Engine Exhaust Heat Plume Abatement methodologies and associated cost as proposed by Hoag's engineer. Note that some of Fluor's proposed solutions are currently under study by Hoag Hospital's engineer. Fluor will only comment on the summary but will not be able to fully evaluate these options until the completed option study is published. Existing System Description Cogeneration plant utilizes three 16 cylinder, 2000 hp natural gas -fired, reciprocating engines linked to a generator to produce electricity for the hospital campus. The waste heat from the engines exhaust stacks and jacket is used to generate high pressure steam, high temperature hot water and HVAC heating hot water for. • Upper Campus HVAC heating hot water • (2) 600 ton high pressure Lithium Bromide steam absorption chillers • 600 ton high temperature Lithium Bromide hot water absorption chiller City of Newport Beach_ Hoag Hospital_Plume Mitigation Measure Review Study_RevO 3_19_08.doc %.10 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. OOA3YZ Plume Mitigation Measure Review 3.1 OPTION 1 — MECHANICAL DILUTION SYSTEM Option Summary Description FLUO'k DATE 19Mar08 PAGE 9 OF 10 Rev 0 Modifications under Option 1 require mechanical dilution by adding outside air to engine exhaust in order to lower stack discharge air temperature. Reducing the temperature of the exhaust reduces the undesirable visual distortion. This method is technically feasible and may be effective. SYSKA HENNESSY Group is currently conducting a study based on our consultations to provide a fan powered mechanical dilution system to remedy exhaust heat plume issues. Option Evaluation This option is not completed and not ready for further review or comment. The issue of condensation due to exhaust flu cooling, mentioned in the Syska Hennessey report (Appendix B) description, could be resolved by proper system configuration and drainage to limestone pit or neutralization system prior to discharge into sanitary sewer system. (See Appendix E for manufacturer that offers expertise and equipment for exhaust system control). 3.2 OPTION 2 — RELOCATE STACK DISCHARGE TO HORIZONTAL POSITION Option Summary Description Modifications under Option 2 require relocating exhaust stacks to minimize line of site visual from public spaces to the north. SYSKA HENNESSY Group is currently conducting a study to assess feasibility of this option. Option Evaluation This option is not completed sufficiently and not ready for our review and evaluation. 3.3 OPTION 3 — EXHAUST ECONOMIZER Modifications under Option 3 require exhaust gas heat exchangers, pumping systems, controls and architectural work. Option Evaluation This option is not completed and not ready for our review and evaluation. City of Newport Beach— Hoag Hospital —Plume Mitigation Measure Review Study_RevO 3_19_08.doc 3.11 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review 4.0 COGENERATION PLANT STEAM VENTS Hoag Hospital's engineer indicates that: FLUOR. DATE 19Mar08 PAGE 10 OF 10 Rev 0 • During start up and commissioning of the steam system, Hoag Hospital reports intentional relief of steam from steam header for purpose of testing during start up and commissioning. • Manual vents are normally closed. They will operate only as needed by building operating personnel for system testing purposes. System testing is an infrequent event. • Pressure safety relieve valve automatically open only due to system malfunction causing system over pressurization. The operating parameters described are typical and normal. Based on Fluors conversations with Hoag Hospital, their engineers and City Planning Department, steam discharges have not been observed recently, which is consistent with Hoag Hospital and engineer's report. Thus no action required. 5.0 APPENDICES: A Hoag Hospital Lower Campus Cogeneration Plant Executive Summary — November 2007 B. . Plume Mitigation Measure Summary — February 15, 2008 C. Trending Data and plume observation photos for 18 events in January and February 2008 — Report date February 21, 2008 (Update) D. Cooling Tower Manufacturer (Marley) —Plume Model August 2002 E. EXHAUSTO F. Cooling Tower Water Vapor Abatement — September 2007 G. Technical Response to Cooling Tower Water Vapor Abatement (Appendix F) City of Newport Beach_ Hoag Hospital—Plume Mitigation Measure Review Study_RevO 31908 doe S• i2 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 0OA3YZ Plume Mitigation Measure Review Appendix A FLUOR, DATE 19MarO8 Rev 0 Hoag Hospital Lower Campus Cogeneration Plant Executive Summary — November 2007 A- Appendices City of Newport Beach_Revo 3_19_08.doc 3.13 Hoag.Hosptal Lower Campus Cogeneration Plant Executive Summary November 2007 Re_f_1nitiow. Cogeneration is a mechanical operation that uses one :Itg a -r. t- -1 d t #1 # 9t!' 4 M M_ A t # ! lip It. t t i 1 forced A B its back-up systems numerpoti mes as The # the county, t the state as a whole. Hoag Hospital • 1. A of Directors issued a charge to the hospital management to misure no patient wasput i j oppardy due to Ab The solution was for the hospital to generate its own power source, and to shill Southern California Edison to a backup option, along with the diesel generators already on the hospital caws. The current system's redundancy ensures no surgeon at Haag Hospital will be faced with the situation .of having a patient receiving medical services or having surgery and there be :no power to run the lights or the sophisticated equipment meeded to provide medical dent or save a life. As the primary source of electricity for the 38 -acre hospital campus, the two - story, 24,000 square -foot Cogeneration facility houses generators capable of supplying as much as 4.5 megawatts of power which provides for Hoag Hospital's current and future power needs. Additionally, the Cogeneration Plant provides the Women's Pavllion; and future hospital facilities on the Upper and Lower Campus with chilled water. 3.IN .Mechanics.-, Hoag Hospital's Cogeneration Plant utilizes three 16 cylinder, 2000 hp natural gas - .fired reciprocaltd engines as the primary energy source. Each engine is linked to a generator to produce electricity, which, in parallel with So. Cal Edison, provides the hospital with the electricity it requires. The system, via Waster Heat Recovery Units also produces chilled water which is pumped to. all the buildings on campus to provide Air Conditioning. Finally, the system via heat exchangers provides hot water for the hospital. History of Construction and Avorovab: The bulk of the building consttuctiodtook, place during 2004 and 2005. , The natural gas fired chillers; electrical chiller, natural gas fued boiler, and three of the four cooling to'~r+ers associated with th e Cogeneration Phint have been installed and are being used to support Hoag Hospital operations. (The four cooling towers have been permitted, the f6urth coolingthwer has recently been completed and is in the testing phase,) The City provided, approval-in-concept for the. Cogeneration Project on September 17� 2001, And the California Coastal Commisston approved the project on December 10, 2001 The adjacent neighbors were informed of the project as evidenced by minutes, of the Villa Balboa Association meeting November 19, 2002. Coastal Development Permit No., 5-02-325 was subsequently issued on June 12, 2003. Several permits were issued by the South Coast Air Quality Management for the Cogeneration Plant project The grading permit for the Cogeneration Plant was issued by the City on July 22, 2003, and project construction was commenced on August 26, 2003. Current Operatfilonts-The Cogeneration plant is fully operational and providing electricity, chilled water, and air conditioning forl4oag Hospital. All three generators are operating along with 3 of the 4 cooling towers. The 0 tooling tower is scheduled to be operation by the end of 2007. The plant is fully permitted by all relevant agencies including the City of Newport Beach, the California Coastal Commission, OSErD, and the South Coast Air Quality Management District The plant, as 5.15, currently operating, meets the standards of the City's Noise Ordinance and is projected to do so once the 4, tower is operating. . 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II "It ul :+ss +wl •. a - ig I ...rrrLn 1c1 f .1'1f t 1 Y I1 t 1 -t !:1,'r v1 Il r" Y(Mlil ' 1 i:l 1 1 -" 9 11 1• :I A: 1 r l� ' 1 �:-• 1%1: 1 II 113-1 l 411,:.' N41 Ali Ilcl N ' Y'.Il :1 t i to °I\ \ J 41' 1 mn� tl ! R 4: •:t 1 1 1 +1 % 1:f :111 ?� C:M;IO w,&TRWI1 14 02 1.3 made* 3.19 As tMe weather cools, utilities can li%ely brirg he lhousar.ds who lost ;evrer }ask Online. i '. B WCUIS rawed by Strelned etelpalent:mer booed throughmil Oraaae cuunly m ;ussday, . leayinp aGadt 6,500 Cotemersteilh"t psue[ at . any one time. So emtM,,, EM .nod vilMUleltetrl[ilY fatmmdtnan 38 +ewsa;, Mum ReaiCfdtia0 of psrrer VNS espeCtm is leatpee- MRS aes; Of idyls W L conks electricity conserve o n your po • Run your pool tiller as fit fie as possible, and only dar- ing off -peak hours • Keep you refrigerator full of loud or wafer bottles so R doesn't run as much. • Tarn off and orplug un- necessary electrical equil ment. indudag computers Factors behind the heat andser>setiveelectrat'78 • set Nermostats at 78 of HOV'essure sysiemsareeaprc6ea to shift today. creal:ag a sea txaer6 above afd use fans. illation cool6eachesaadidandctle ; There were three components • Grin appliancesaedpdner that COWWAed to the severe le.mperaterm tools the afternoons off. c •' -• • Block direct sunlight from - �,-- A , A h1gMp`rnsdie Aoma octuas when Dverheatinq rooms. dry air Aoa1y sinks ar tt chceiatcs • Close doors and vents to ' ,ebtkwlne, produciap �kar, svw,y.sth:i:• • Ot£60i1 ,k uaoccwied roans. ". MeaseMMI maisturs if= . South Southera Carl- Bela •'s w Cattornla brie s,Myr` forw Edison itl A'`.,_ "humidily. MoistUre0revtr4my • .... .,_,..,,.,., . .... sin C�tIFgD[91A .- , v ^y - Mme. fJ• Weak on art "#tejj.�w. '^"^- `• �. r•"``:a ti, 'J, carries little cool atr.l Y' ^•^ -- -• -- t . W.nu NOM11 TM Imgister BRUCE CRAMeERS, THE REGISTER FINDING A 6APi Extension cords snake Into the house of Dan Peters, who said he rnight Get a quieter Goner Man 3 -21 Oucages stern from high demand and heat wearing on transformers, not too little electricity. 0 SALVADOR 1119R11ANDr3 sod RYAN "AKRILL 'Ht ORANGE COUNTY RCC15TER About 6,600 castoners uont trith0tit cieetrical power across Orange County oft Tuesday as ofrmciale kept n close eye on temperatures and increased electrical demand from workers and students it turning from Labor Day week - n eiaL Residents Rath businesses; in Lvire, Santa Ana, Garden Grove, Yorba Linda, Lake For- est, FoMhttl Roach, Cypress, Mission Viejo, La Habra, Orange, Aliso Viejo, Fulle ton, Wiestminster, Mission Viejo, San Clernente and Laguna Ni- guel were arrected by black- outs caused by a mixture of high _ tempo•atmes and in- creaspd demand that over- heated transformers, undet- gtour rd cables and other equip- ment, ofliciais said. "When our transformers are working for hours on end, there's art much demand (that) something gives," said Peter Hidalgo, spokesman for San Diego Gas & Electric, which pro 4es power to 200,000 south Orange County enstom- Cra. Abort 6,100 Southern Cali - fornin Mace customers and abohL 400 south minty Sell Diego Gas.& Blecuic ca stom- am were without power at any tine time Tuesday. power to all Sun Diego Gas & Electric custonera was ex- pected to be restored by b p.m. 'Ilsesday. Edison said it wasn't sure when power would be re- stored to all customers Crews waked around the clock to restoe power, giving priority to those who had been without it the tonges4 said Edi- son spokesman Steve Conroy. Some Edison custonicis in the county ware rrapaitcd to have been wktiont power far morn than 36 hams. As crews restored power to seine areas, other pnia of the county lost electricity, said Edison spokm- man Pail Klein. STATE PICTURE Most of the autages were caused by the strain of the weather and increased de- mand, not because or a lack of available power, said Gregg, Fishman, spokesman far the California Independent Sys - tem Operator, the agency that distributes power to power plants and utilities List pre vide electricity to about 80 percent of the state. The agency expected a de- mand of about 46,000 mega- watts Tuesday. less than the ostimnted 50,000 megawatts as'ailAWe, Fishman asid. San Diego Gas & Electic broke an all-time high by pre• vidng4,631171regAW ALs of elm tricity Monday ancrnoon. 'Iltesday, with airconditioned businesses and classrooms opening suer the holiday we and, was expected to be another record br eakcA Hidal- go said. Califott)a has seen more do- nand in the past few drys, but lower temperatures in the northern partof the state and D slight break in the heat in Southern Cailforrda DrI TUea- cley have helped curb demand. An estimated 2fi,000 Edison customers were without pow- or in0range, Los Angeles, Riv- e1•92e, San Bernembno mail Ventura counties, Conroy said. outages iroDed through the county as residents expert. ertced triple -digit tomper- Aunes Monday. Temperatures dropped 7lresd ay, with Fuller- ton end Ansheim registering highs of M degrees and Lake p'omst 95 degrees, said Miguel Miller, National R'eather Ser- vice forecaster. ],"to Niguel and Dann Paint residents experienced highs of 85. Temperalures are Rxpected to keep falling during tho week, with highs ranging from the lox• to mid -80s in the couii!.y to- dmc "It looks like Mother Nature is going to give its a break'" Hi- dalgo said. RESIDENT EXPERIENCE In about a 2,000- resident Yurbil Linda ueigldaniwol notheastof Fairmont and Yoe bit Linda boulmilyds, power went dawn at about4 usn Sur, day when a vault caught fire. Another neigliborhood Bras without power for 24 homx. Police directs'] traffic l'ues- clay morning at fair intersec- tions in Brea and Yorba Linda as parents chauffeured kids to school, including at Fairmont and Yorba Linda boulevards, LL Gregg Hayden said. Fewer than '100 out of 300,000 nrstomere were xdth- out power Monday in Ann - hoim, which row its oral util- ity. Most were believed to be back up 74iesday morning, said John Nidohetti, city spu;cesmnn. It Irvine, 964 Edison eus- Willem vvwe affected by the blackouts About 20 traffic lights were out of service until 10 a.m. 'IRresday, Irvine police Sgt Mike Fonder said. Thirty pa- trol units were dispatched to direct traffic. In Mission Viejo, 436 Edison cstomerss nose without elec- tricity; 260 wntw affected in Fullerton. Residents near Muirlands Boulevard and Spartan Street in Mission Viejo hvice su femd nom outages. - Patricia Hultin, 70, and her husband want to the monies to avoid the heat after the first outage Sunday. When they retutated, the !wives had returned, and they settled infer the crowning mo- ment of their Labor Day plates - a televised Angels baseball Kama at 6:45 pun. That'a when tlo power wept out again. "ht's been miserable," she said Stuff writers Joint" [#no Fletcher, 8arah'lldly, Aklan ro Molina nad links L Ritchie vantributod to llus repot 2 .22 .e k IL Z-1. .e t fro AA lin. t fro AA City of New Beach FLUOR® Hoag Memorial Hospital Presbyterian DATE 19Mar08 Project No. 00A3YZ Plume Mitigation Measure Review Appendix B Plume Mitigation Measure Summary — February 15, 2008 B - Appendices City of Newport Beach_RevO 3_19_08.doc 3.21 Hoag Energy Plant Cooling Tower Replacement Mechanical Work ROM Boiler Work 250 BHP Steam Boiler (Complete) $200,000 Condensate Return Pump $50,000 Gas Piping $25,000 Boiler Flue $25,000 Control Package $75,000 Piping to Cooling Towers $200,000 Pi Racks $75,000 Pipe Insulation $30,000 Make -Up Water to Boiler $15,000 Electrical (New Service) $150,000 Boiler Building 30'x40' $500 /sf $600,000 Cooling Tower Yard Work Replacement Stainless Steel Towers W /Plume Abatement on 4 Cells $3,000,000 Condenser Water Piping $150,000 Pipe Racks (New and Modifications to Existing) $75,000. Control Packs $150,000 Electrical $100,000 Other Cost Tem Equipment for Tower Chan Outs $320,000 Cooling Tower E Removal $200,000 Seismic (New and Modifications) $150,000 Rigging Cost $250,000 Start-Up & Commissioning $150,000 Sound Wall Cooling Tower Yard $400,000 Design Cost $750,000 OSHPD Permits $300,000 General Conditions (9months) $900,000 Insurance/Bond/Fee $1,000,800 Note: From the Information that has been shared and our experience as a Contractor we have attempted to provide a "Rough Order of Magnitude" Budget for the replacement of the existing cooling towers at Hoag that serve the Energy Plant. This budget Is not to be used or considered as an accurate cost of work or an offer to provide services. Total ROMI 1 $9,340,800 3.2 �� ,YT r. ,'; �i y` ..r #:�� s� rMA Sysr,x FIFNNE.SSY GROVP Consulting + Engineering + Technology + Construction • Team Experience • Why is the Cooling Tower needel • Cooling Tower Plume, Formation • Cooling Tower Plume Mitigation Measure Summary • Cooling Tower Plume Mitigation Measures — Modify Operational, Sequences — Modify Existing Condenser Water Pumping and Piping System — New Cooling Tower with Plume Mitigation -System Appendix A: Cogen Engine Exhaust Heat Reduction Options — Further Study Required GEIE�� - — - - - - - - - - - - - - - - - - - - Febmary Is. 2005 ro M2 Syska Hennessv Gmup, Consulting + Engineering + Technology + Construction SYSK-x 1-11"immEssy Sm,ska Hennessy Group Y • 80 years of experience in design of Healthcare Facilities,on a national level. ® #1 Buildings Systems Engineer for Healthcare (ENR). • $4.0 billion dollars in Healthcare construction value over the past 10 years. ® Leading the way towards the Hospital of the Future. — Sustainable, high performance design — Acuity adaptability spaces — Infection control Thousands of cooling towers designed and installed on a national level — over 750,000 tons (Hoag's Cooling, Tower is less then 6,000 tons). • Hundreds of plume mitigation studies. • One non-Hospital installation — Logan International Airport 2002 Syska Vlenr.%sj mup, Inc. 4 am LQ SYSK1 T1ENNESSY GROUP Consulting + Engineering + Technology + Construction ® 143 years of experience in building Healthcare Facilities on a 'national level. • Over $4.0 billion dollars in Healthcare construction . value over the past 5 years. ® No cooling tower plume mitigation systems constructed.. - 111 lillipill ill • Over 75 years of experience in designing and building Mechanical /HVAG Systems for Healthcare Facilities. • Thousands of cooling towers designed -and instalied. • No cooling tower plume mitigation systems designed or constructed. W Q 5' ID 2002 Sy5ka kennessy Grpup, Inc. j 1; SYSK.X HENNFSSY GHOUV Consulting + Fngineering + Technology + Construction The Cogeneration Plant provides the Hospita[ with the following utilities: — Electricity for power and lighting Appr M% & HospitaPs needs — Chilled Water for building coo[ing: ApprooL 50% of Hospital's needs — Hot water for building heating: Approx. 25% • Hospital's needs • Cogeneration Plant provided utilities- are: — Clean, environmentally friendly energy — More efficient than utility companies — Quality of power €s- cleaner and more consistent — Reduces operating costs — Reduces air pollutants The Cooling Tower is required for Cogeneration Plant operation. Februan 15, 2MB 7 2002 Syskaflennessy GMLIP. 1"' RPM LN Consulting + Engineering + Technology + Construction SYSK,\ HEININ-1-3SY --------------- -- - --- - -- ---- GROUP • Prevalent during periods of cold and humid ambient air. • Cooling tower exhaust air warm and close to saturated conditions. • Moisture condenses when warm exhaust air mixes, with cold saturated air (i.e.. Moisture cannot be absorbed quick enough). • Visual water vapor is formed. • Quantity of condensing water vapor a function of — Ambient conditions — Tower loading/ heat rejection load — Water temperatures — Fan speed • Water vapor formation is standard & routine expectation of Cooling Tower operation. • Due to location of hospital in coastal environment,, any reduction is less effective.-than-other inland locations. -------- ------- Fobruory 13.2908 9 0'2002 Soks Hen.essy Gmiip, 1r UM ELBA SYSK,% HENNI:SSY ....I Consulting + Engineering + Technology + Construction .......... ... ... — ---------- Formation of the plume may be reduced when tower exhaust air can be kept below saturation curve. - - -- ---------------- Febm.N 15. 2008 __j *2002 Sys�,a HenneSSy Gmp. Ill., M. GA SYSKA HENNITISSY ....I Consulting + Engineering + Technology + Construction M� ation -Measure Cooling Tower FP'lume Mitig- #ptions Option 1: Modify Cooling, Tower Operationa.1 $eqwencass. Option Z Retrofit, Existing 00ndenser Water PUTIrl and Piping System Option, 3: New Cooling Towem with Plulmo M49atidn System F bwaq 15.2008 12 0 2n2 5,ka [.c MR1111 LN Consulting + Engineering + Technology + Construction SYSKA 11E\-1N1KSSY - — — - ----- -------- * ------------------------ --- - - - ------------- ------------ -------- ------------ Cooling Tower Plume Mitigation'Measure Summary " '1' qg Z -;,Ptt "AiR6 f 11, ia 4 ff� 813 R � Sii "�i��ff', t,� � r��- '.»,*;•+P.1�Denslty__. �h��u - "_ �'��ruih;a;�, �af��?:'�,��a - _9si� fi�tr��L, s;i5i ti ��rr.�ty..,.s ,, ��; .?��illlis�l�l�lt`ii wa�� = iiailh +l3�i�6tN��,.�'dk 1 Modify 10-15% Immediate so None Incremental $12,000 •Increase In electrical energy consumption Cooling Increase )(note 3) required for operation Tower Increases Hospital "carbon footprint" and Operation "Do-GrannWIthe site Emissions increased by approx. 67,600 Iblyear Carbon Dioxide 2 Modify 15-20% 2009 $0.5 million None Incremental $24,000/Yr • Interruption of utility services to Hospital. Condenser (note 6) Increase (note 4, 6) • Increase in electrical energy consumption Water required for operation Pumping and Increases Hospital "carbon footprint" and •Piping System "De-Green's" the site Emissions increased by approx. 136;000 Iblyear Carbon.. Dioxide 3 New Tower 70% Mid 2010 $9.3 million Tower Incremental $84,3001yr Interruption of utility, services to Hospital. with Plume height increase (note 5) Increased boiler emissions from Plant Abatement increased Increase in electrical and: natural gas System by 10 ft. energy consumption required for plume mitigation system operation Increases Hospital "carbon footprint" and "Do-Green's" the site • Emissions Increased by approx.: 150,000 Iblyr Carbon Dioxide, 500 Iblyear Nitrous Oxide Table Notes: 1. Includes design, OSHPD plan check (permitting) and construction, 2. . 'Syska's and McCarthy's opinion of probable construction cost is based upon: traditional sources , actual experience, or an actual equipment quote. Due to the volatile nature of labor, material and equipment pricing and unforeseeable factors affecting the construction industry, Syska andrMcCarthy do not expressly orimplicitly warrant or represent the accuracy of the estimated cost to be the actual cost of construction. 3. Approx. annual increase in electrical consumption cost due to measure implementation — approx. equival t to power'usc of 40 residential homeslyear. 4. Approx. annual increase in electrical consumption cost due to measure Implementation —approx. equival:."Vto power use of 80,residentlal homes/year. 5. Approx. annual increase in natural gas and electrical consumption and,cost due measure implementation — approx. equivalent to power use of 300 residential homeslyear. 6_ --Assumes,,concurrejit-impkeme,ntatiop.of,Kqeasufe/Qplion,-1,.with,Measur,e/-Option.2.,.. --------- --- 14 C 2002 Syska Her.nessy Grztp. Inc. I = 'd fig,— x 41, 3W r x . -11 t n 9: �ModiR �coolin�g Toluuer Operat�onalx�x h' l I'l 1� y" � AT �{ NY T3'�79{ s x a _ t yly vwF s ? NC- vs i'si �, OFF X•.- 9� ' mss � 3 4'r v'Y 1 �O rN SYSKA 1-11-i 'I.O.P Consulting + Engineering + Technology + Construction ........... Oniiii 1 - Modify Cooling Tower Operational P Sequences p! I jj�' 1: Ill 11 28= — Reset condenser water supply temperature to chillers downward from 85 °F to 75 -68 °F in advance of ambient conditions conducive to plume formation. — Condenser water return temperature to towers will drop. — Stage LC chillers as follows to meet connected load:; ® Electric Chiller act as lead machine HTHW,absorber act as lag-1 machine (68 °F low limit) -Steam absorber act as lag-2 machine (75 °F low 1imit) I c at :r I I Incrementally red;u ibg condenser w e" Su •plY tOMP will drive, 'p, tower fain speed up. — Increase fan speed ri, uru.i, 15,2008 C 2M2 ay,k. 16 I Consulting + Engineering + Technology + Construction SYSKA HENNESSY jilliq 11111111111 Operate More Cooling Tower Cells Than Required — Cell No. 4 (CT14) scheduled to come on line summer 07 — Spread heat rejection load: among all towers — Distribute water to more tower cells than load requires — Each cell will reject ,incrementally less- moisture' — Increase fan speed FebruarY 15.2000 02002 Sysko$ennesii G.,P, I.M 17 aConsulting + Engineering + Technology + Construction SYSKN Iff.'ANT-ISSY — — -------- . . . . ........ * Pros — Incremental 10-1 5%reduction in cooffag tower water plume density, height aln:d length;. — ImmedJate implementation a Cons — Change in Cogen plant operation — Energy inefficient — increases Hospital's "carbon footprint - $12,000 per year approx. annual increase in electrical Consumption and cost due additional fan and pump operation during plume conditions. - --- — - - -- ------------------ - - - - - - - - - - - - - - - F.b,..ry 15, 200E 10 2002 S,A. Hennessy G.up. Inc -4. %A RN SYSKN fiENNESSY GftouV Consulting + Engineering + Technology + Construction Photograph incremental reduction in tower plume due to changes in operational sequences. — Three photo angles — Location 1: On grade parking lot — Location 2: Hillside property line, northwest corner tower enclosure — Location 3: Hillside northeast corner Cogen Plant rchrua� 15, 200B Location '2 r 'S� L� 3 02062 NHIIIII FAII Gmup. Ind LN SYSI A T-irsNV if:SSY GROUP 3 CELL OPERATION: (No Cond. Water Reset) Consulting + Engineering + Technology + Construction 4 CELL OPERATION' (5 deg. F Cond. Water Reset) Febmary 15,2 ^08 .j TREND DATA • DATE: January 9, 2008 • TIME: 7:30 — 8:15 AM • WEATHER CONDITIONS: — Temperature: 52.4 deg. F — Rel. Humidity: 86% RH Wind Speed: Calm — Wind Direction: N/A • AVERAGE TOWER LOAD: — Test Duration: 45 minutes — Cond. Water Return Temp: 84 deg. F — Cond. Water Supply Temp: 76:5 deg. F — Cond. Water Flow: 8,386 GPM — Heat Rejection: 31,450 MBH — Percent Capacity: 61 % 1i2002S,k.H PPP .]Grt11p. in, 20 NPRO LFW SYSKA 111: ".NNIiSSY GHOUP Consulting + Engineering + Technology + Construction and Piping System ® Blend cold water from tower basin to warm condenser water return header to reduce condenser water return temperature to operating towers. ® Used in conjunction with modified operational sequences outlined under Option 1. ® Scope options — Option 2A: Cooling tower bypass system and controls — Option 2B: Cooling tower basin pump, bypass system and controls Fohrmry X15; 200H i v 1 ._.....- -. - - -- - -- - -- zz - 'J 20025ys0 Aelnessy Group, Inc UN Consulting + Engineering + Technology + Construction SYSKA 1-[ENN11" S S); GROUP --- ------------- --- ----- — f0ption 2A - Cooling I ower Bypass System and Controls Yx NEW CT 6M rebm 15.2006 NEW WEATHER STATION EXIST. CT-13 EXIST. CT -12 EXIST. CT-11 NEW 14" CDS BYPASS AND CONTROL -VALVE STATION �A= gZ 23 --- --------- --(b 2002 Sl'sk. H,.Imssy ------ Gmo, M.. 23 Lfw SYSKA TfENINLSSY Gma.V Consulting + Engineering + Technology + Construction -------- ------ - --- - CIption 213 - Cooling Tower sin Pu�mp, "Alf W t5a pass System and Controls NEW BASIN! PUMP AND S2 NEW WEATHER STATION BYPASS SYSTEM -_ .- .- -.. -- . 11 -- -- - - ------------------------ FeMary 15. 20,38 C 2W2 SyS,a Hennessy Gmiip. In A 24 rA SYSKA 11J.-,NN:LSS)r G800P Consulting + Engineering + Technology + Construction Option 2 - Retrofit Existing Condenser Water Pumping and Piping Systern ® Pros Incremental 15-20% reduction in cooling tower water plume density, height and length when used is combination with Option 1. 1 e Cons — $500,000 construction cost — OSHPD plan check and permitting required — Condenser water service curtailment - interruption of Hospital Operation during construction -Tower shutdown required to-facilitate construction. Energy inefficient — increases Hospital's "carbon footprint" • $24,000 per year approx. annual increase in electrical consumption and cost due to tower fan and pump operation during plume conditions. --- - -------- 15. 2003 25 0 Z0 2 Sysq. H . �Y Gln.rp. Inc. Replace existing cooling tower with new cooling tower equipped with plume mitigation system. Retrofit of existing cooling tower with plume mitigation system not cost effective due to: — OSHPD seismic requJrements — High labor cost component — Lengthy downtime Option scope of work follows: %P 27 rA Consulting + Engineering + Technology + Construction SYSKA I-,l17;j1NF.SSY GROUP Option 3 - New Tower with Plume lAwIlitigation System ® Demolition scope of work: Demolition phased with new work to minimize Hospital service interruptions. — Demo. existing four cell r FRP cooling tower — Demo. existing fan variable frequency drive starters — Demo. electrical power feeders — Existing concrete basin to remain — Existing condenser water pumping and piping system to remain — Existing sand filtration and, chemical treatment system to remain PeUru�ry 1s, 201$ %JW d 2002 Syska Hennessy G� u., Inn 28 E; Sym.x TI :NNTESSY GAYYP Consulting + Engineering + Technology + Construction P b.ry I -- Is Four (4) cell tower rated at 85-96-72,3125,GPIMIcell: -Two (2) cells equipped with steam ,or hot water plum_ e abatement coils and bypass air dampers. Phased erection to minimize service interruptions — Provide four (4) new tower fan variable frequency drives Provide new 250 BHP heat source for plume mitigation system. Options include: • New dedicated boiler (steam or hot water) and ancillary equipment -Replace existing 600 BHP boiler with 850 BHP boiler. Upsize associated ancillary equipment New Cogen engine generator set exhaust gas heat exchangers and/or new 4thCogen en rator set. --r-g-i-ne generator -------- -- - 1 29 020022 Syska 14� .y G,r.p. M, Consulting + Engineering + Technology + Construction I SYSKA ffi_NNHhSSY GflOUP ------------- System L Mechanical scope ® wor-N Provide new steam or hot water piping, makeup piping, vents, drains, fittings, valves, insulation, etc., for plume mitigation system I Provide combustion makeup air system for heat source — Provide natural gas supply system for heat source — Provide sound attenuation system(s) for heat source� — Provide breecNng and stack if required — Expand existing control to include: ® New control power wiring •Additional 1/0 control points and end devices (automatic valves, etc.) -Revise existing GUI control interface ;a Provide new weather station -Sequences of operation --------------- - 0 2002 Sy,k. he. 30 Consulting + Engineering + Technology + Construction SYSK.% lox. '�-@'ption 3 - New Tower with PIUMVeiMitig 'tea tiopo Slairstem Y e Electrical scope of work FObwary 15. 23US Provide new power distribution systems for: *Cooling tower fans • Cooling tower fan variable frequency drives • New dedicated or replacement boiler (steam or hot water) and ancillary equipment or new 4thCogen engine generator set: • New lighting and receptacle, systems, etc. -- -- -------- I --------- ---- — ------ t 2002 SysR. H."nessy GIIIP, In. RConsulting + Engineering + Technology + Construction SYSKX HENNESSY Ir% Option 3 - New Tower with Plume Mitigation System Architectural scope of work: — Provide expansion of existing cogen plant to house new heat source equipment. • New out-building • Utilize space allocated for future engine generator sets — Provide line -of- sight and acoustical screen for cooling tower enclosure. FL6NOry 15,2006 32 2002 Sysk. Hw m,y G�up. 1�� I Consulting + Engineering + Technology + Construction SYSKX IIENJINESSY GROUP #Dtion 3 - New Tower with Plume Mitilatfow, a U System e Structural ME= • New tower • New variable frequency drives • Heat source equipment (new boiler, replacement boiler, new engine generator, etc.) — Provide new concrete housekeeping pads 9 New variable frequency drives and heat source equipment — Provide new pipe racking system Provide new screen! wall'structure on-top of cooling tower enclosure — Provide new structural systems for Cogen plant expansion (to house new- boiler systems). . ..... ------------ _ - - - --- ----- ------ rebruar 15. 20D8 0 2002 Ik. HeI.reY Gro.p. ha. 33 ® Pros — Incremental 70 % reduction (approximate) in cooling tower water plume density, height and length. Sebi ry Is. RON 0 2M2 aYSke Hennessy Gmup Inc 34 Consulting + Engineering +'technology + Construction S }stv,x1-Ir., NESSY crtcur Uption .5 - New Tower Equippedwith Plume Mitigation System Cons — Major interruption /disruptions to Hospital Operation to facilitate construction. — $9.3 million construction cost. — OSHPD plan check and permitting required. — Lengthy phased construction schedule — approximately 9 months. — Tower height increases by approximately 10 feet. Incremental increase of sound power levels (noise) at property lines. — Increase in Cogen Plant boiler emission. — Energy inefficient'— increases Hospital's "Carbon footprint" $84,300 per year approx. annual increase. in natural gas and electrical consumption due to plume mitigation system operation during plume events _ - - roh,u.^ 15, 2008 V' Q 02002 Syska Hennessy Grnp,!Inc: - - ._ _ __- --Y �z Consulting + Engineering + Technology + Construction t SYSM 1ft"jNQ\'14,SSY i G..Up ........... gen Engine� Exhaust Heat Reduction Options • Option 1 - Mechanical Dilution System' — Premise: • Dilute the hot exhaust gas with cool outdoor air to lower stack discharge air temperature., Cooler exhaust will cause less visual distortion to viewers. — Scope: • Provide mechariica[ dilution system consisting of dilution fans, outdoor air intake, ducting, controls, and exhaust stack rework, architectural enclosure, structural support, etc. — Cons: • Exhaust gas condensation issue. • Increase in noise at property line. • Added energy consumption andl Cost associated, with fans, • Rework of exterior exhaust stacks and system screen, modification of Cogen building exterior fagade will require Coastal Commission review and approval — 18 month period. • Construction cost. --------------- F.brv.ry 15, 2008 2CO2 SysM Her.nessy GMUD. hu 37 i ro ral SYSM l41,.NN SSY GROUP Consulting + Engineering + Technology + Construction Cogen Engine Exhaust r Reduction Ot• •t Option Relocate r: discharge t• • 1 s I• • • — Premise: a Redirect exhaust to minimize line -of -sight visual from adjacent Condos. — Scope: Relocate stack discharge to horizontal position, exhausting from the west exposure of the Cogen building. Cons: rebrwq 15.:2008 V Rework of exterior exhaust sta ks :and system screens Modification of Cogen building exterior facade. Coastal Commission approval required — 18 month timeline. Construction cost Heat resistivity of Cogen building fagade Staining of Cogen building fagade.. _._...... - -. 38 �20025ysY.a Hen essy Group, Inc Consulting + Engineering + Technology + Construction - -- - -- SYSK\ HENNESSY - - -- - - -- - --------- -------- - ------------- -L GROUP. en En i Exhaust eat a -.i ptions ® Option 3 — Exhaust Economizers — Premise: • Provide economizer systems downstream of the existing silencers to transfer exhaust gas heat to HVAC heating Hot Water system or Cooling Tower i ® s • Provide exhaust gas heat exchangers, heat recovery pumping system', cooling tower /HVAC Heating Hot Water heat exchangers, controls, etc. • Provide new Cogen building exterior soffits /facade to enclose heat exchangers_ — Cons: • Concurrent th:ermal .. load needed for heat sink. — may not exist • Increase in engine backpressure — derates engine performance • Construction cost • Modification of Coggin building exterior facade. Coastal Commission _....._. approval required — 18 month timeline. rebwary 15 ,. COR I, - d92W2 Sys a Yenressy Gm?, In, - 39 VT" :$teal] �t E; SYSKA HE NiNESSY 0...G Consulting + Engineering + Technology + Construction Cogen Plant Stearn 'Vents ® The Plant has steam pressure safety and atmospheric - vents for the following equipment: — Steam- Boiler — Waste Heat Recovery Units — Condensate Receiver Tanks ® Automatic Steam Pressure Safety Vents: — Automatic high pressure safety release valves as required by code. — Steam would only be vented from these in an abnormal,condition where the steam header - pressure became excessive in the system, — Hoag has replaced the pressure relief valves on these vents due to the old valves leaking and venting steam to thel.atmosphere. --- - - - - -- -- Fab=ry 15, 20D8 0 2002 Syska Her.mssy GmuD, lnc 41 Consulting + Engineering + Technology + Construction — — ------- — --------- ------ --------------- ------------- Cown Plant Stearn Vents H Manual Steam Vent: — Manual steam vent from the boiler header used to relieve pressure in the steam system. — During testing, this vent had to be used regularly to relieve the steam. — In normal operation, this vent would only be used in an abnormal condition. — On a yearly basis, this vent will be used, during the annual AQMD source testing. Fghrd-3ri 15, 20113 02002 Syska Flennez.sy &cup. Inc. 42 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 0OA3YZ Plume Mitigation Measure Review Appendix C FLUOR DATE 03Mar08 Rev 0 Trending Data and plume observation photos for 18 events in January and February 2008 — Report date February 21, 2008 (Update) C - Appendices City of Newport Beach_RevO 3_19_08.doc 3.68 6P1. 'Hoag Hospital Cagan Plant Cooling Tower Condensate Study , I` V NjAB Amhienl Londrnui Wulff Tom, Cbnaenael Wale -(teWm valve POSMOn f.00wd-sfi Fan SQ.M0 % Purn, Stood K Cond, Wale, Flow GPM Tolal Flow Wnd E1-A. Oa. Um�1, Tdb %RH CWSF OWN CT -111 CT42!){CT 13 CT- LT1t CT -12 LT-0] CT -H. CPr -�1M CPA2 GP -14 CP -11 OP12 CP43. CP41 GPM 6 Oir :i f' IKI2008a�'11.l:80Aj X52 0�} TBfia �+j� �4 ifi3f;I B)lll'OttT �riilf Olf. . -11�4I1fH. QtIlf3Hf1'u I 465:'1YO PON BB :t�,� 180 tL�{P�9J NIr} :O Yi �fiO I 29}]177 �{1 WY rn`W 0} 3014 7 6]40�IIIYjn 1 ;._{ MUM-,, .. � ]:1 -AM A�1a 49A 63 ,- Ik]d ]B :ei,l gSf Non. On 7153 URN On e': ON Or1 }i��i]b On :�11 � 60 ii'�I53:19A 10 v- '�'sY00 01 %Fi�.---100 10 2 !�O B6 n e90 96 ��i�+i 3i'.:�D 0 �:� 66 .4..2�SR 3.29 T BS5 2.596 � r.i. 1e0 0 d7.�30]6 2.806 N-84A 7.831 1MPH 680 2' IfIN2000 00 B60n. on On On 11 11 10 10 06 06 0 as 2.400 2.630 0 2,])3 'Ism i g, 1111 081V iki.>{, ).:15AM4 cv'T',- r'1. { 3f 4h ,_,1- 'i�t 31 �, :}}A Bi01v1�1�} S' xp3 p64',}',*io On ffam &W.,' 0 t n"a'i bn �34. IT 186 �'ab0 }F #.WO .. 100 i .. 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G�3�'P ~ _' �0 �t, }}1�0 .S2d90 3t:� 3'•19 ` ]Ai P`Ta 812 .ai,. rO 0 Ndc` 0115.363 .+'� twf. +i0 }:� 5:197 ��d MP�1.1yEHE (�i }ii {3r}�1: 8. 1=006 8 s AM 57.1 ]I 76 at On On ON On 10 100 0 0 P1 92 0 0 257 5 2.720 0 0 'S 95 fiMPX 6E 74 02 On On On On 90 30 10 10 92 92 0 0 2:575 2.]M 0 0 5,295 jtij} j:Ta`I�90 AM S-�n )9f ON.«. -` =0n ,Y }.3{ tO F .:A }}itf0391 �.Y+3 eel ,T"1i �O llli}Ti2H 291] 3!{}15598 j{ upy�! y �y {1ESE�;y1j "' {h�11p12Y200Bt: '4N' &k :6u. !}1 =•. {488 {0} ,;'iA W4I {ill! l.x u)577}iii 4920n'fi 3�1�(�. "n'1l{l�klfi �n _On.il 3., :;99 :_nr�i iT641k�?i1i19' fe BJ (i�r �}3119].:lsl;'POI{`s `.,.a u3 x��}♦2626 �Aa2BBi-:. X *L09e`ET' -* »O i. .as5 {SOTd 1�.., xr Yk. B 1648808 705AM 402 41 76 62 On 0n ON On 87 44 0 0 100 100 0 0 3453 3626 0 0 7878 11 MPH SSE )4 .0 On On. On On 10 f0 10 100 100 O 0 3;468 3.681 0 0 ].148 .' s_ '1'H' 129!2006 � T ��5�@@0 { -6"�` 625(' SO IB�i 840 t'. '£O -'d Ofl' Onk i> }r {223 13�1ii::d }GY1 1 '0 12 B�(�¢9 96.131131 t ( f 198 8]19 428487 31:.0 STIR. 8"/83 - 1MP 4 v�.y yyf� `Ta -A =rt Ia0AR4�a LAP 9a' oni {1,1.OnY1<,tttm t�ttrtnt al .sa n -servo ''S1 �tl}�L4 urItX96 &86?,Wie•+SzM ell4K� .1 96 ?.6 V¢9w �:� >'G, 3.fie 9�i1x ,3 �':-,I 10 1/30.8008 ]ADAM 49.7 IS 78 830. On on On IB 12 0 12 96 96 0 96 2670 2M6 0 SAM A" 2MPH NE ]B 8310n On On On 32 25 10 26 86 96 0 951 2,670 2.663 '0 3.056 8601 p�� p ,+115.4Mi 146.1.:`. 160 }3}�} }Y8fi On' fiiY Ong 3 }# fl O f<iFi f {Ilj� 12 awn �9A, �,t ma � 0 1+r L�a YH I:1N�11 015 ,c' r� id 6 #2 0 °1724 ill��91 �5 }yy' l {,�x L ^''�11< 1'c k1A�iR008, 9§!Y}�1i, .A"a1Hi kip-.: ij1 �5',I!,#M t+11}}]j'?1i }i{*!k?63 on'�1'c lif Oili'!li�1i Onn On1lil±i$E.ia:,:,:.:,30..s �::v10 971 191:9 .:x� -'D 11t'i 97lrp2,7d(] 2.736 3`1)6 2.933 .,o 0 ]3651ti1�!.9:4 3,143 {5171i1{M{x, 6612 6MPH NNE 12 152088 7:30 PM 49.6 N. BO 960n On On On a, 43 0 41 95 95 0 95 78 8406 On On On 100 65 25 AS 95 95 0 95 2,641 2.974 0 3,140 8.755 }4hluo 01 ]UD )9':. 840rt ' .L O * r5i' '64 RAN, Onl4i? }�1}f�{q�l �1t } }�}IIO } vi 10 r t'E#uU '?10 95 t2 1 "4i951�1j1�1�1D1 .0 v4�f `85 .i ,3R1B { } 291] M 1Y 3136 }'178819 j��lH�j '%sr,,:».:.:,.v]9 pnlr?Ittt�.IX��4i 1f� }10 fem S:9�v {f1,,,11}}30 �85 ].}i }951i'�.ilit.'r3,]36:T8i ar v.%j3i Ua!Ib¢ .9lit' .+ .4u�.�1�:.`x.- 7:00 AM 45:7 79 79 i1v850 050n :h>•'.i3�&'On:sv., On OM .�; OR On 90 10 '52 c'.IO.n 0 ,m. D 51 ;a 795 B] 97 0 97 i23i 2.700 2.991 0 '3130 0821 ]MPH WSW 14 DHWOB 76 020. On On On f0 10 ID 10 e6 96 0. 96 2,]0] 2,25 0 3,172 8,504 �'^ 112800Bd `� OR An U0 }11],59 UV ,+3]2 _ :191 I 9 t2 i0d33, _ ED19is � a� �?'1{�1 i ,3dxe �:1., as o X912 bn nn.,__:. ono% � G9.^a R(In3tI Ir,4 .....30 (1 �i ra - .ut131 =91 . �0 ..inrcJ .VAS p y .IF.L�SIS exx'6 Yk{'42885..a.T.9091148008 x, 56 ]8 680n Om OR On 100 f0 0 f0 92 91 0 91 2553 2X29 0 '2977 6259 9MPH NE 76 0]On. On. On On 100 9B 10 99 92 92 0 92 2,521 ]694 0 2,945 .0:163 ;7:30 ;B72 ��n}5035 y 11, ]a 02008 v�i111):Ca+'BI -?:On. t..:d 0 4 SO n:,#: On . O i,3fWz��flf:57 0 95 2]60 ]804 0 ]'19] 'B 021 7MPH E 16 1212000 72 76 040n On Oe On 100 10 0 10 B8 95 78 04 On On On On 16 12 0 12 W 95 0 95 2.780 3p14 0 3:197 '9,021 , I` V NjAB 1; Consulting + Fngineering, + Technology + Construction SYSK\ 141INNESSY 49000 - Dwuthent Lo' vv'etGampust. o.olin to :r con on g we ekhust.' 'donso even . ts an, d dfe�ctpf Mitigation measures Record EVent-WjOather Data - Outdoor temperature - Relative humidity - Wind speed and direction Record. .Event Tower Load Condenser water ty-8nd,ret" -,e prsupp -Urn 0 r.. Condenser water f1bw Fan speed Isolation -valve position, Heat rejection Percent capacit �A �J 8 2 Consultina + Eg)gineafirlg, 4- Technology + Construttion S) ;N K" A I I I -; N NI'S S Y cHa�ti ;'M III III .— Three photo angles Location 1 On-grade parking lot- r ;7 Location, Z Hillside property libe northwettzomer tower enclos;ure Location 3: Hlills�ide property-l'ibe, ricdheast c mer Cogen Plant Ftba2fV21. 2fES 40. Consulting + Engineering + Technology + Construction . ........... . . . ..... .... Me, UW. Th�reec'ell toweroperation, versus four cen to,we'r operation ConStat weather conditions • Condenser water reset — 5 deg. Average, condenser waiter supply temp. reset No load, -shift to Upper Campus,- SYSK�\ I IL-NNESSY GROUP ffl� 3 CELL OPERAT'19N febtWV21."dlb Consulting + bigitieering + lethnology + constwctori 4-CELL OPERATION • DAT5: TIME: TREND DATA Janus�y 9, 2008 7t30-8:15 AM �r WEATHER;CONDIT101 nature p T.6tb rat: �. 6l. , " R Humidity: *!.,H ufnldl , Wipd$peed: I -wl 1141 On r.e.c * - 11 j�p n . � ' Js.:; 62A deg. F 86% RH CLWM N -A • AVERAdET:0WER-l0AD Test Duration;' 45milnotos C'h'd:V�Lt6r,',-'R,!4urn Temp': -0 $4 0106 F Cond. WaWS-Uoply T6MPr: 706.-,deg. F Qond.. Water Flow; 8,386 GPM :Hoat'Rq*eqltiqn. 31,460 MSH Percent 0=2S%pu Nazi I'myomp. [to, 5 MCorlsulfinq+ Engineering + Technology + Construction .... . .... .... - — ------------- Event -2 3; CELL OP I ERATION: 4-CELL OPERATION TREND DATA: ftbriary2l. 2CDO • DATE; January -10 2008 • TIME:' - -7,16,.— T.45 AM, • WEATHER t6W -ESjT r IONS: T�l T'moetafure: "-.8 deg.- F R e 1. H u mi'm d ity: 83*/o RH Mndl'.SpeO& 2 mph Wind 0irec,606'.; SW Test vyuratton:j Cond - �Va , ter-Retur Land Water. , SlUppl Cbrijd-Vater.Fjow Heat Rejection:;, R, ephtc,40aldity: Q=G�f " FA liusyGlotp, ho. ;aq minutes Temp: 96.Aeg"IF Temo: M&d6g; F 7,82MGPIVI 26,400' MI3 4919/6 6 1; SYSKA GROUO E I vent 103 l DELL -OPEWj!PN FtbTlarV2t 2M8 Camulting + Engineering + Technology + Coft5trucition 4 CELL'OPERATION, TREND DATA 1 11 -1 • DATE: Jan,ua.ry 1,5, MOS TIME 7,*,QO — 7`30 AM WEL THBR-b-ONDIIIONS,- - tith, P 9-rku6c 61A des F I ROI.,-HU mlidity--, 61% RH WincJ�400,d 3 Mph Wln*d�Dfrectio'n : SW w Heat Riefe-rftjonl i,' : Pervert Capacity: .50'minutes 12';deqt F J,5'dog-F ,7j261 ,GPM 26-;4Q0 , M B'H 4Wo 7 raq 3 CELL OPERATION 4 Consulting + Enyineerilng + Technology + Coris.tfuction 4 CELL OPERATION TREND DATA • DATE: Januwy. 16,-,2008 • TIME 7,15-7:46,AM WEATHER CONDITIONS, tiriipeikure'l 49,,.3 deg. F 7 Rell Humidity: 911/6 RH — W.Indr,$Oe,d: 3 mph Wind "Direttl I On. W • AVEPAdE,-t-.6wERLOAD: 1 Test uration. '3 6 minutes - 9nd.-Vater'FraturnTemp: ;81 deg. F lt'66d efS.uppIVTemp: 74 &6: F c d: er, ow Wit �l 6;3,58 ' GPM H1.00i'R61ecti-on: 22,100 MBH pao.nt' a a it D21 Goxa He kienvomp, Ila. 15 rm S'i'SM,\ I I FNINN 'ISSY GHOUO 3,PELLOPERATION Coho�ultina + Enqim�erimg + Technology + Cc,nStructioh :4 CELL,OPERATION DATE:- TIM15: TREND DATA JaPparyI7,2008 7:00 " 710 AM I I " C z� �- ' ' ONS WEATHER - 0 ND T I , em 4 periiufe. 66.7 deg. F Rol: Humidity: IM-RH WihdSPe'ik0'., 1'4'mph Wliid. ENE. AVERAGE TOWER LOAD: t a".n Zo minutes s :Cond tum Temp: .83.6;deg. F Cond. Water Tenp: 75,d6g, F !�m ' - -Ff6'- � I ,- w:- cond.,wa-*`r' 6,326 GPM Heat- Rejection 22,WOWBH Percerrt Capacity: 45% a 1Cn Hi kiassvamp, W . Gm S 1,:,\ 11 If \" �N- 3 CELL OPERATION Consulting + Fncjlneerl-ng + Te6nology + Construction 4, CELL OPERATION TREND DATA DATE: Jinuary.,22,2008, TIME 8:00 -'8:30 AM = Uire-- 67.1 deg. F OR ,yl Tl%,RH Wind $'peed 6-- rri ph WiridDife'ttibii-SE A1(ERAGE TOWER - r Test Duration; 3Q minutes C-on.d,;*terReturn Temp! 82.6 deg. F Coihd.WaterSupplyTempo 75 deg. F W. r C06& ate Fiow 5 296. GPM Heit Rij."tibn: 19,90A MBH Percent C;ap 46Y. 1. o Event 7 3,C.ELL OPERATION- Fe bri a N 21. 2 m8. VJ Corisultipg + E.nglneerinq + Technology + Construction 4 PSILL.OPERATION TREND DATA ,January M -2008 • TIME-, 7:00 =:7:30 Affil Tellip ! e Iiw ro.: 48`2 deg. F IkiI:-HumI4It.y: :790/o RH wl- in-&SOoed.- 7Mph Wind Directlorr: ESE 0 -.� PercovCaoglifty,-- 30 minutes mp: 81.6 dog. ,F ernp: 75 :deg. F 65644 GPIVI I8jOOa%MBH . - 1., 11 — - - - ---- - r C=S�Cxa Mt) I asybuilp. lie - G SYSKA I INNNF-ISS-Y GAIDU• 3 CELL OPERATION Consulting + Engineering + Terfinal6gy + ConStrtXtiOh . . . ........ '4 CELL OPERATION TREND DATA - ----- - --- DATE: IIIlpnuary24,2008 • TIME':, IAIS-7--."45 AM . ,, � 1 In ',�, • HEWCONDIT] T1W6erif6,r,,e- 482 -cleg. F 'Arfii Od". 11 mph I It, AVERAGE --TQWERLQAD: Tikibuir"cm: '30iminutes 009#.,,WiterReturn Temp: 94 deg. F Concl. Water -Oup dytemp.,16 d 7 concl';Wtiter- Flow,: 7,214 GPM — H#ait Rejection; 21,600 MBH — Percent Capacity; 43% Ci=25vwa mt ilem 'Omtp, ban 1; SYSKA fIENNFFSSY altou" 3 CELL OPERATION N 1 Consulting + Engin"Hog + Technology + Construction ....... ... 4, CELL OPERATIM TREND DATA • DATE January29,,2008 • TIME:' 7; — 8:00'AM WEATHER CONDITIONS ", 66.8469;-F kil-, urn ldit k6lo RH A W in'd,' p"66,& 7 mph wwo biF-0oqdri,,.,ssw • AVERAGE "TOWER,LoAb- Test Durations .30 minutes 71 C ond..Mater Return'Tiamp... +94 dog. F Cond.Water Supply Temp: 18 deg. .F' Co- nd -.'W' iiie'r, - F I d' 8,768,GPM Heat Rejettibri: 26-,300-,MBH Rehceht-Capacity: 13 rg S KA I I I-NN S S Y A Eveht I 3,CELL OPERATION Consulting + Cog! neering + Tecl)nology + Construction 4 �CELL OPERATION TREND DATA • DATE: January30,-21709 • TIME: 7:30 —B :00 AM WktATHhKUUP4UJ I UNU: fe.m.pekiturie. 49-7 deg: F R 6 1 k' Um" i di �, y!' 767/6 RH Wini&SA0_ 0 d": 2 mph _- witid'T"01r.ealp on:. *. NE- AVERAQE.,T,'QWE9,'EOAD. Test uratibm 3d minutes n -VitterRebum, Temp: S$Aeg.'F bnd-zwateK p Y, .,.Up"l TeMp; 78 ded;f K 0,644- �.W W A wf 8.600 GPM Heat Rejodfldn 21jWOWBH Percgnt-Qpptkcit y 43% 14 M SYSKA I-IF NNP'NSY GROUP Event 11 3 PELL OPERATION FtbrIvrf2I,2Ca3 Consulting + Fn9inearing + Technology + Construction A CELL OPERATION TREND DATA • DATE, Jam4ary.31,2008 • TIME:. 7*16-8:00AM WEATHEWb dNDjT"I'0NIS'.: T emperiture-, 48A dog. F 111e1;.HUinlcllit(,:' 60/6-11RH WindS06:64, 2 mph` Wfid i. direction NNW 4*1 7 Heit R,ej tipm. Peroelit aall5atV 46.::minutes. 8*.5 -#e g. F O'g,; F 9,426 GO , M ,28;276 MBH $50/6 RAanoye -3 CELL OPERATION_. FsdASry 21; 21= Consulting + Ef)gineerinfj +Technologj + COrl§tfLJlftie)t! 4 CELL OPERATION. TREND DATA DATE: February 6, 2009 TIME':, 7116 = 7:45-AM - WE,4THER „ZQNDI-nONS: Tei'ffi�poiiture! 49,.6-deg. F Rel;'HUmidity!: 44%6-RH -Spgad” 6 mph ,Wind', p " nd b6 r6'Abn- NNE ` -c A)/E"PE TOWER .,LOAD ,.- Test D-uratiow, 30 minutes: C - ond,.W ,. titer, Return Tamp: 86,'deg; F tddA' I IatertupplyTemp: 79-.deg. n W Cbrid . Vate'r F[6w' 8,183 GPM 'T dl Heat ejq, ion', 26,36OW13H PaTcao Oadity.: poo/a G SYSKA 1 51. 3CELL'OPERATION Consulting + Engiineating + Tedinology -t- Construction 4 CELL OPERATION TREND DATA • DATE: February ii, 2008 TIME: 7:00 - 7:45 AM I -k temoiiure" 47 deg: F 11e10HUMiditw 00/6 RH AVEFlAdETOWERLOAD: T*st:Duraltiph; 45 minutes — Cop .0.'�Waier Return Temp: 84.6-delg. P — Cohd.*-,Water-SupplyTemp: 79. deg :F — CO"tfd -! wWr". F I 6W.- 8,803 1,GPM — HiA Rejecflbrl-. 24,20U,MBH — Re ebohit ,QAP acity: 41% 17 a SYSKA f I UNN'liS'S Y auoos dent .14- 3.CELL -OPERATION OQ C0'nSkjjrtjjjg + Engineering + Technology + Cbnstru(tioh A CELL OPERATION TREND DATA DATE: February 7,2008 TIME: 7:00 — 7:30 AM Te'M,peiatur'e 46.7 dog. F 70%, RH Win'd,90,0 7 riipf w h WSW �_ATA:q ZUVel =3 T04tDurat on: dond, Waiter Retui .0 hd.,.,Waltee.Supt Cond:`Wat9 Flow H,.eg, ejOction. Percer t.Oapacity; -30 minutes Temp : 93'.6, dog. F Ternp,, 77.6 deg; F 8,812 GPM 261, ,6WMBH I Go, SYSKA I NWN51 ,S Y GHOUL 3 CELL OPERATION Consulting + Engineering + Technology + Construction T 4 CELL OPERATION, -1- 1. -, � -1 - 1 -11- - - - 1 -. 9eMeaNZf;2m8. .. TREND DATA • DATE: February 12,2008 • TIME: 7 ;:30 — 8:00 AM WEATHER,'06NDITIONs: Temperature:: '66;2 deg. F k6l;,HUMIdiiy; 64% RH 17- n k peed . 1 _mph ,e 1WER,49AP: Test bufabow. 30 minutes ond.,Wger RetUm Tomp: B6'deg:f -616rid.I.Watet-SuppIV Teftip 77.6 deg, F Cori`ii. °Water Flow' .8 04- GPM H.0it R Motion: 34,000WBH Pl6r.co.nt,,T,cAp, ac ity 66% MR, SYSKA I I Event 16 3 CELL-OPERATION Corisulting + Etngineering + Technology + Cons trwcftioil 4 CELL OPERATION FtWid(y2f; 7(r7$ 1"; M, • DATE: February 14, 2008 • TIME 7 :15 — 7!46 AM WEATHER COWITIONS-; To- mp, e iru 52.7. d6g. F --rw. ROIZHU Mi'ditV,. 66% RH Wift&4pqe0;. 9rnph .NE T I : uration: '30 minutes Land .`Water Return Temp; 86;6 deg. F 01 7 -cond;,-,*ite ly _r,Sup" , Temp:, 78 deg. F Coed. Water Flow; ,p 8,211 GPM Heat Rejection: 3 4,900,MBK Percent c a . 68% ''Patity, 20 G SYSKA dMOUP 3 CELL OPERATION Consulting + Engineering + Techlablogy + Construction 4 CELL OPERATION TREND DATA • DATE; FebWaryO, 2008 • TIME: 7:16 — 7:46AM WEATHER E d, ITIQNS; tOnper4tur6: 64.6 deg. F Reiel.,Ho�iidlty. 949/6; RH WI'h!'&,S';" ped-s - lZmPtl Wn �d "biettion, ENE 4� — iim vuratiom — tiond. Water Re-tu.i — C6ri&,waterSupF coind Vaite 'f F 16 w Heatllipjidtibn: Percent 'P Apadity: '30 minutes, Temp: 86 deg, F TeMp: 77:5 deg. F �8,981 GPM 33,700 MBH 66! 1/0 Ftb r I arV,21 : ZIMU 21 G sy%-� Iv'ANN!"'SSY YiNOYD Event 10 3 CELL,OPERATION w iD Consuffing + 81gi1feering + Tethnology + Construcli0h T i 4-CELLO , PERATION TREND DATA. DATE: - February.21,2008 TIME: 7-,3,o,- 8:00 AM W;=-.4.THrzR-'d6NbiTioNs- Terno6riture', 64.8 -deg. F umoit'_- 720/6,13H Ind Speed. 7 h . mp n -e iM puration: tond'WAterRetui C.dhd.'IW' aw U-Sup rflow — Wift Raj 0 - orf,on':'; 411 — Per�qpptsQgp -30 minutes Temp: 84 deg,. F Temp: 77 deg. F 9,02'1. GPM 31 -,6GUMBK 61 °lo 22 t ¥ $ R q CL 0 c ` (a n j D k / : D C y 3 « ( 8 ) m � CL 0 cr \ 0 � R ° / _ w D kE 9: 2 j ƒ 0 i \ \ ( � \ a ,§0 {!F \Z \E2 §(2 #� ;2 \� OR \� & � t-� 0 -;� L/� A. 3 Z . o ®. 3 m: s D. O d 7 O. CD O O N O �. 7 N �D = a N n '0 N 3. D) C N � O. 5 0 a (D O o. ID O m 3 O O Boa 0- ohm 200 ur(D mav� O as gym' o' �3m 0m y- OF ao3R o° o � `° a O r (D N ti N N N y -� (D 0 S C ?'0 lD p' = (D < o E (A o C @ d ny; 'N (D fD e+ 7 0 N (D G O y m won W0�' CD CL mw°y mo' �3 o ? o a m o c m -n (D �� (D m a D N N fD W N 'OO y C. N N Q. -0+.. p' !'� n. O 7 N 0 m o (D 3-o m 0 — a* n a ? (D '. ro E a. m :E m. (D so .� �aa Ea= 032 aD,@ m, o m, —_ om -c m (a av N ° — D ID arr (n 0) v< mm a00.nc m oo N m c° o 3 0 m (D 3 rt� s c m '0 3 (D N 3 Q (D _' Q G .� (D N w " O 1 5' T I n. W� 3 0 O Q 7� w 3 -I v� Nv 3 U 7 d o o .S �. N 0 0 0. v CD N O O N N. m -Oi. N ("D N ((D 7= I Q .. 0 7 C w C N S OO N N ro o mr-5 (D m Imo c3 (D CD roofl CD :3 o d m � -m� 0.�0 moo. 0 0 PO 03 0 N COD 3 0 O W pj ^ '� ,0. m v'.. m x. (O 0..-r m z M O C. 'U' zr S 0 3. 2 — w — N C 0 (D 0 N 0 o = a.? N N N C.-0 C: m (D 40i 0 co L w w z N B v a o 3, .+ Q'0 a;rom -6 a3 2 @v (D v g yr o a, 0 m (D (D a (D < - a m6 3m a 33.a N N- N N 'oo O. a� 'O". a s N j C N N 61 j N O o N (D fD d N. -� (D 3 o C a .m : Q(D o acv - 3 0C m Nam o.�o o(o�` oa N. R 0 �. Q N ::r O. 3 (D (D _ cD W W m 0 0 s DD0 CD aa )ar =.Ncn2 3 > o 0 () 0D� OW3 sx W D v 0.< y 3<n °o v cn c (D C) 0 „ tfi N N s w d 3 O ( O —E7 m O n 0 ti o N O0 off= 3WO��, A O N Q G 0 _ q m '0 -n m N 0114 (I lr At! )`7L_' )art E. Optimization 1.0pt Revised 8/231200210:11:30 AM by Don Dobney contact Marley Cooling Technologies Don Dobney 13771 Roswell Avenue, Suite F Tel (909) 591 -0400 Chino, CA 9117110 Fax (909) 591 -3334 dobneyda @marleyctcom 0 50 100 150 200 250 Distance (ft) —0 1 Copyright O 2002 The Marley Cooling Tower Company Definition Tower Water Flow Model (ID 2) F433A -4.0 -3 Fill M075 Log -4.0 Eliminator TU12C Louver No louvers Fan 168HP71 -6 Stack 168 "x T Horiz Rib Speed: Reducer 2200,6.12:1 Drive. SO Shaft Motor 1800 rpm, TEFC Closed Sides 0 Partitions No Closed Ends 0 Wind Walls Yes Air Inlet Guide No Effective Air Inlet Ht 3.50 it Plenum Height 3.69 ft Design Conditions Tower Water Flow 9000. 0 gpm Hot Water Temperature 97.20 -F Cold Water Temperature 85.00oF Wet-Bulb Temperature 72.00'F Relative Humidity 50% Total Dissolved Solids 0 ppm .Altitude Oft InletP.D. Val. Heads 0 Outlet P.D. Vei. Heads 0 Motor Output 39.97 BHp Plume Conditions Fan Speed - (100 %) - 290 rpm Motor Output 39.97 BHp Cooling Range 12.20 -F Approach 25.12 'F Ambient Wet -Bulb 43.00'F Ambient Dry-Bulb 45.10'F Discharge Wet -Bulb 75.90'F Discharge Dry-Bulb 75.90'F Discharge Flow/Fan 190200 elm Discharge Velocity 1291 fpm Wind. Speed 440 fpm i2 c 0 m W Marley BESTTM Version 2.12 Product Data: 3/26/2002 Customer Hoag Hospital JL Hengstler& Assoc. Newport Beach, CA Optimization Copt Revised 8/23/2002 10;11:30 AM by Don Dobney Contact Marley Cooling Technologies Don Dobney 13771 Roswell Avenue, Suite F Tel (909) 591.0400 Chino, CA 91710 Fax (909) 591 -3334 dobneyda @madeyctcom 0 50 100 150 200 250 W Distance (ft) V\ Copyright ® 2002 The Marley Cooling Tower Company Definition Model (ID 2) F433A -4.0 -3 Fill MG75 Log4.0 Eliminator TV12C Louver No louvers Fan 168HP71 -6 Stack 168 "x 7' Ho6z Rib Speed Reducer 2200, 6.12:1 Drive 6Q Shaft Motor 1800 rpm, TEFC Closed Sides 0 Partitions No Closed Ends 0 Wind Walls Yes Air Inlet Guide. No Effective Air Inlet Ht. 3.50 it Plenum Height 3. 69 it Design Conditions Tower Water Flow 9000.0 gpm Hot Water Temperature 97.24 OF Cold Water Temperature 85.00 OF Wet -Bulb Temperature 72.00 OF Relative Humidity 50% Total Dissolved Solids 0 ppm. Altitude Off Inlet P.D. Val, Heads 0 Outlet P.D. Val. Heads 0 Motor Output 39.97BHp Plume Conditions Fan Speed'(66.67 - %) 193.3 rpm Motor Output 12.15 BHp Cooling Range 12.20 °F Approach 36.72 OF Ambient Wet -Bulb 43.00' °F Ambient Dry -Bulb. x5.10 °F Discharge Wet- Bulb 88.36 OF Discharge Dry-Bulb 88.36 OF DischargeFlowfFan 122900 cfm Discharge Velocity 834.9 fpm Wind Speed 440 fpm c c a m W Marley BESTTM Version 2.12 Product Data: 3/26/2002 Customer Hoag Hospital JL Hengstier & Assoc. Newport Beach, CA Optimization 1,opt Revised 8123/2002 10:11;30 AM by Don Dobney Contact Marley Cooling Technologies DonDobmey 13771 Roswell Avenue; Suite Tel (909) 591 -0400 Chino, CA 91710 Fax (909).591 -3334 dot neyda @marleyctcom 0 50 100 150 200 250 V1 Distance (ft) Copyright © 2002 The Marley Cooling Tower Company Definition 9000. o gpm Model (ID 2) F433A -4:0 -3 Fill MC75 Log -4.0 . Eliminator TU12C Louver No louvers Fan 168HP71 -6 Stack 168"x T Horiz Rib Speed Reducer 2200, 6.12:1 Drive 60 Shaft Motor 1500 rpm, TEFC Closed Sides 0 Partitions No Closed Ends 0 WindWalls Yes Air Inlet Guide No Effective Air Inlet Ht. 3. so ft Plenum Height 3.69 ft Design Conditions Tower Water Flow 9000. o gpm Not Water Temperature 97 -20 ' °F Cold Water Temperature 85.00 °F Wet -Bulb Temperature. 72:00.OF Relative Humidity 50% Total Dissolved Solids 0 ppm Altitude 0. It Inlet P.D. Vel. Heads 0 Outlet P.D. Val. Heads. 0 .Motor Output 39.97BHp Plume Conditions Fan 'Speed (50 %) 145 rpm Motor Output 5.303 BHp Cooling Range 12.20 OF Approach 46. 15 OF Ambient Wet -Bulb 43.00 OF Ambient Dry-Bulb 45.10 °F Discharge Wet -Bulb 98..66 OF Discharge Dry-.Bulb 98.66 ^F Discharge:Flow/Fan 90330cfm Discharge Velocity 613.4 fpm Wind Speed 440 fpm t d r L")ro E pr i c c 0 m W Optimization 1.opt Revised 8123/2002 10:11:30 AM by Don Dobney Contact Marley Cooling Technologies Don Oobney 13771 Roswell Avenue, Suite F Tel (909):591 -0400 Chino, CA 91710 Fax (909) 591 -3334 dobneyda@marleyct. com- 0 50 100 150 200 250 \JO Distance (ft) Copyright © 2002 The Marley Cooling Tower Company Definition Model (ID 2) F433A -0.0 -3 Fill MC75 Log -4A Eliminator TU12C Approach Louver No louvers Fan 168HP71 -6 Stack 168"x 7' Horiz Rib Speed Reducer 2200,6.12:1 Drive 60 Shaft Motor 1800 rpm, TEFC Closed Sides 0 Partitions Closed Ends 0 Wind Walls Air Inlet Guide No Effective Air Inlet Ht: 3.50 It Plenum Height 3. fig ft Design Conditions — Tower Water Flow Hot Water Temperature Cold Water Temperature Wet -Bulb Temperature Relative Humidity Total Dissolved Solids Altitude Inlet P.D. Val, Heads OudetP.D. Val. Heads Motor Output No Yes 9000, 0 gpm 97.20 °F 85. 00 OF 72.00 -F 50% 0 pBm Oft 0 0 39.97 BHP Plume Conditions 'Fan 'Speed ,(100 %) 290 rpm Motor Output 39.97 BHp Cooling. Range 12.20 OF Approach 18.65 OF AmbientWet -Bulb 57.00' °F Ambient Dry-Bulb 62 -00 °F Discharge. Wet -Bulb '83.75 °F Discharge Dry-Bulb 83.75. °F DischargeFlow /Fan 191000. cm Discharge Velocity 129 }fpm Wind Speed 440 fpm c o. n U.1 Marley BEST"' Version 2.12 Product Data: 3/2612002 Customer Hoag: Hospital JL Hengstler & Assoc. Newport Beach, CA Optimization 1.0pt Revised 8/2312002 10:11:30 AM by Don Dobney Contact Marley Cooling Technologies Don Dobney 13771 Roswell Avenue, Suite .F Tel (909) 591 -0400 Chino, CA 91710 Fax (909) 591 -3334. dobneyda @marleyct:com 0 50 100 150 200 250 tN Distance (ft) Copyright 0 2002 The Marley Cooling Tower Company Definition Model (ID 2) F433A -4.0 -3 Fill MC75 Log -4,0 Eliminator TU12C Louver No louvers Fan 168HP71 -5 Stack 168 "x 7' Horiz Rib Speed Reducer 2200, 6.12:1 Drive 60 Shaft Motor 1800 rpm,.TEFC Closed Sides 0 ':Partitions Closed Ends. 0 Wind Walls Air Inlet Guide No Effective Air Inlet Ht 3.50 It Plenum Height 3.691t No Yes Design Conditions Tower Water Flow 9000.0 gpm Hot Water Temperature 97.20 OF Cold Water Temperature 85.00 OF Wet -Bulb Temperature. 72.00 OF Relative: Humidity 50'% 'Total Dissolved Solids 0 ppm Altitude 0 It Inlet RD. Vel. Heads 0 Outlet P.D. Val. Heads 0 Motor Output 39.97 BHp Plume Conditions Fan Speed (66-67 %) 193.3 rpm Motor Output 12.158Hp. Cooling Range 12.20 °F Approach 28.68 °F Ambient Wet -Bulb 57.00 OF Ambient Dry-Bulb 52.00 OF Discharge Wet -Bulb 94.41 OF Discharge Dry-Bulb 94.41 °F Discharge Flow/Fan 123500 cfm Discharge Velocity 838.4 fpm Wind Speed 440 fpm c 0 m R Marley BEST"" Version 2.12 Product Data: 3/26/2002 Customer Hoag Hospital JL Hengster &Assoc. Newport Beach, CA Optimization I;opt Revised 8/23/2002 10:11:30 AM by Don Dobney Contact Marley Cooling Technologies Don Dobney 13771 Roswell Avenue, Suite F Tel (909) 591 -0400 Chino, CA 91710 Fax (909) 591 -3334 dobneyda@marleycl.com 0 50 100 150 200 250 V1 Distance (ft) .o Copyright ©'2002 The Marley Cooling Tower Company Definition 9000.0 gpm Model (ID 2) F433A -4.03 Fill MC75 Log -4.0 Eliminator TU12C Louver No louvers Fan 168HP71.6 Stack 168 "xTHorizRib Speed Reducer 2200,6.12:1 Drive BQShaft Motor 1800 rpm, TEFC Closed Sides 0 Partitions Closed Ends 0 WindWaiis Air Inlet Guide No Effective Air Inlet Ht 3-50 ft Plenum Height 3.. 69 It Design Conditions No yes Tower Water Flow 9000.0 gpm Hot Water Temperature 97.20 OF Cold. Water Temperature 85.00 OF Wet -Bulb Temperature 72.00 OF Relative Humidity 50% Total Dissolved Solids 0 ppm Altitude 0 ft' Inlet P.D.'Vel. Heads 0 Outlet' P.D. Val. Heads 0 Motor Output 39.97BHp Plume Conditions Fan Speed (50 %) rpm Motor Output 5.303 p Cooling Range 12.20 OF Approach 36 - 93 OF Ambient Wet -Bulb 57 • 0 0 OF Ambient Dry-Bulb 62.00 OF Discharge Wet -Bulb 103.50' °F Discharge Dry-Bulb '103.50 OF Discharge Flow/Fan 90710 Ofm Discharge Velocity 676. fpm Wind Speed 440 fpm ;?LUfyl'v P,7 Optimization 1.opt 5�� Revised 8 /23/2002 10:11:30 AM by Don Dobney 5 Q ?t7 Contact Marley Cooling Technologies Don Dabney 13771 Roswell Avenue, Suite F Tel (909) 591 =0400 Chino, CA 91710 Fax (909) 591 -3334 dobneyda@madeyet.com C 0 Z W �p O 0 50 100 150 200 250 Distance (ft) Copyright 0 2002 The Marley Cooling Tower Company Definition Model (ID 2) F433A -4.0 -3 .Fill MC75Log -4:0 Eliminator TU12C Louver No louvers Fan 168HP71 -6 Stack 168 "x 7' Haft Rib Speed Reducer 2200,6,12:1 Drive 60 Shaft Motor 1800 rpm, TEFC Closed Sides 0 Partitions No Closed. Ends 0 Wind Walls Yes Air Inlet Guide No Effective Air Inlet HL 3.50 it Plenum: Height.. 3.69it Design Conditions — Tower Water Flow Hot Water Temperature Cold Water Temperature Wet-Bulb Temperature Relative Humidity Total Dissolved Solids Altitude Inlet P.D. Vel. Heads Outlet P.D. Vel. Heads Motor Output 9000.0 gpm. 97.20 OF 85.00 OF 7a . 00 OF 50, % o ppm oft 0 0 39.97:BHp Plume Conditions Fan Speed (50 %) 145 rpm Motor Output 5.303 BHp Cooling Range 12.20 OF Approach 32.62 °F Ambient Wet -Bulb 64.40 OF Ambient Dry-Bulb 77.00 OF Discharge Wet -Bulb 106.21 OF Discharge Dry-Bulb 106.21'F- Discharge Flow /Fan 90900 cfm Discharge Velocity 617.3 fpm Wind Speed 440 fpm City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 0OA3YZ FLUOR-,, DATE 19MarO8 Rev 0 Plume Mitigation Measure Review Additional information: Fogging Curve provided by Cooling Tower Manufacturer D -Appendices City of Newport : Beach _Rev0 3_19_08.doc V.101 0 T a E co x ai a) or .N N 36 38 40 42 44 46 48 50 52 54 Wet Bulb ( °F) SPX Cooling Technologies TRACS Version 04- AUG -06 Model W433- 4 -4PPWD Number of Cells 4 Motor Output 60HP Motor RPM 1800 Fan 144HP7 -8 Fan RPM 289 (Full Speed) Design Conditions Flow Rate 12600GPM Hot Water 96.00pF Cold Water 85.00eF Wet -Bulb 72.00eF Curve Conditions: Fan Pitch Constant Dry Dampers Open 100 % Flow Rate 12600GPM ( 100% Design Flow) FOGGING FREQUENCY CURVE: The cum how. to the left is referred to as a'Fogging Fregency Curve'. The Fogging. Fregency Cum separates entering cooling lower conditions that produce fog at the discharge (Top -Left region of charts hem those that do not produce log (Bottom -Right region of chart) O 11 eF Range X Design Point Time: 13:23:01 Date: 02 -06 -2008 Drawn By: CJH N E E E = 8 m at of r L w O W Predicted Fogging Frequency Curve for Hoag Hospital n n CONFIDENTIAL: The Contents of this document are congdenllef and constitute the exclusive property of SPX' Cooling Technologies. This document and its caommsmay not be made public in any manner, distributed or loaned to others, or reproduced or copied either In whole . or in part without thepriorwrillen consent of SPX Coolies Technologies. ® 2008 As of the date(s) in me ban black SPX Cooling Technologies 70 72 74 76 78 80 82 84 86 88 90 Wet Bulb ('F) SPX Cooling Technologies TRACS Version 04- AUG -06 Model W433A -4-4 Number of Cells 4 Lm 40HP Motor RPM 1800 Fan 144HP7 -8 Fan RPM 272 (Full Speed) ME MOM MEN IM MINE ME 01'Emilm . °� "° :ate:: -- ■■M■N VIM 0 ■■ :::®: ■■°■ °°■' ®mom :9:::: .■■ ■ ■ ■■ ME ::1::::�: °. ■... ME W-- :■8■■■.bi a IN : m -� FAF M�:e�g I�. ®e L AMINME ROME ME ::i8 No IM: =W1=®:'eN12MEMMall 70 72 74 76 78 80 82 84 86 88 90 Wet Bulb ('F) SPX Cooling Technologies TRACS Version 04- AUG -06 Model W433A -4-4 Number of Cells 4 Motor Output 40HP Motor RPM 1800 Fan 144HP7 -8 Fan RPM 272 (Full Speed) Design Conditions Flow Rate 12600GPM Hot Water 96.00OF' Cold Water 85.00oF Wet -Bulb 72.00aF Curve Conditions: Fan Pitch Constant Dry Dampers Closed Flow Rate 12600GPM ( 100 %, Design Flow) FOGGING FREQUENCY CURVE. The curve shown to the left is referred to ass Fogging French, C The Fogging Fredency Curet separates entering cooling lower condillons that produce fag al the d ®charge (ToP left region of chart) from those that do not produce fog (Smnam -Right region of Chart) 0 11'F Range X Design Point Timer 13:38:09 Date: 02 -06 -.2008 Drawn By: CJH City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. OOA3YZ Plume Mitigation Measure Review Appendix E EXHAUSTO (Flue Gas Handling Equipment) E- Appendices City of Newport Beach_RevO 3_19_08.doc FLUOR,, DATE 19Mar08 Rev 0 1(0y A Better Climate for the Boiler Air is an essential ingredient in a combustion process. It supplies oxygen for the combustion process and it becomes part of the products of combustion, or flue gases. The precise supply of air to the burner and the precise exhaust rate from the appliance is extremely important during the process. If not properly controlled, they can cause insufficient combustion, inefficient and expensive appliance operation, excessive emissions, and reduce life- expectancy of the entir heating system. Venting systems for heating appliances can experience excessive or conditions have a major impact on proper heating appliance op". combustion air can lead to starvation of the heating apple04 Natural Draft Is NevePvPenLtsl`aa' Temperature and chimn timpac�,.� on natural chimney ack#` The dr aft ngeashoi�easmodulate; start up or sh ft is also affected by outdoor t metric pressure and wind,jb a chimney is good draftcontroller. Draft variations due to air temperatureaione can be 4waniaf.Modular and modulatinghoiler systems have gained acceptance as an energy - saving concept. Although great energy savings may be ad4eved, there still is a tremendous amount of energywasted. During the operation, the chimney wig--be "oversized" most of the time, which can lead to potenthal spillage„ ddowndraft, overdraft, condensation and inefficient operation. Annual Variations in Draft On Ansaa.Wa m�.. mm. d.4 o4EOOr temp.. aye, 1. Bas tmnpm.d300' %� VZ it E p -.12 Yy -.13 E -d1 16 1] -.19 u is -----M----- �_____. _ __ MMM MMMMMMMMMWNM l IMMMIMMMIMM ---MU-.l MMM --.'--MMMIMM MMPFAM 11 =` MIMMM MMMMM �� r�rlmmesi S r= r EXHAUSTO VENTING DESIGN SOLUTIONS RWfi W Effi ry failures Efficiency and Emissions For a heating appliance to be efficient and produce the lowest possible emission level, it must maintain a perfect flame and maximize heat transfer. A perfect flame can only be obtained by maintaining a precise fuel -to -air ratio, and proper air supply and draft are essential in achieving this. It is not uncommon to see high - efficiency boilers operate at efficiency levels of low- efficiency boilers. This is purely a result of lack of draft control making the additional investment in high - efficiency wasted. Boller Efficiency versus Draft ��InulfwMRN e� � J EaceaWe ROlI �� O Y wmrtammr. a. ®.a��aanae 3.106 t� Safety - Always a_C�on Naturally vented heating appliao flue gas spillage warning or'p4V caused by insufficient draft or do undetected. Design - Always a Cha Building layouts can put limitatio supply and venting systems caul mechanical codes. Venting layou necessary and vent terminations louvers take up large wall areas the boiler room. Installation is also less expensive length limitations and .a commcir multiple appliances in lieu of sep multiple roof or wall penetration Code Compliance - An I Venting design and installation local mechanical codes. This is e However, unintentionally the [ol designs become imprac ical. T e in compliance with codes A )t required to have tern. Flue: gas spillage :air supply often goes y combustion air A and so can '<e up more space than aesthetic eyesores. Air noise to travel outside ,virtually no duct - i'be used for venting is thatalso require Challenge ned by national and droper and safe venting. ie so . restrictive that the 3re'systems that area not EXHAUSTO 3 VENTING DESIGN SOLUTIONS I Venting Design Solutions EXHAUSTO provides a number of systems or Venting Design Solutions that deals with all the issues mentioned here. The systems use EXHAUSTO products and always provide modern, energy- saving venting solutions. Our products are made to work together efficiently and comply with all major mechanical codes and relevant listings. These systems are part of EXHAUSTO 's "Venting Design Solutions qualify for LEED points: • CASV and CASI Chimney Automation SystemsrO • MODS, Modulating Over -draft Damper SystemsT • MICAS, Mechanical Combustion Air Supp. T x Reduce eatino Cost Improve Boiler Efficiency Most boiler systems have the pOotenti improving the actual boiler operatinc has documented these saving potent basis. As the chart below shows, bell draft in a chimney ser4ing multiple b substantial savings/ Reduce Emissions Save on Installation 1.737.174 1 1.594.955 1 333.631 1 3.665]66 1,433,045 1,188,096 0 1 2,621,141 304,130 406,859 333,637 1,W,625 18% 26% 100% 28% 3,803 5,087 4,172 13,061 3,906 5,224 4,265 13,414 53,515 $4,702 $3,857 $12,073 These documented savings are achieved by an EXHAUSTO mechanic, raft system that is acting faster and more precise than any other draft control system in the industry . Althouglf actual savings depend on the individual installation and situaton, the customer generally experiences savings of 10 -30f4 - savings no other mechanical draft system can document. There are a number of cases where EXHAUSTO has been able to reduce the total project cost by providing a mechanical solution. The above table shows just one of these projects. With our extensive know -how, we know where the opportunities are, but also where the limitations occur. EXHAUSTO 4 4 VENTING DESIGN SOLUTIONS 3,(O$ EXHAUSTO has design tools that can reduce the cost of a venting system or a combustion air supply system. for big savings by • Stack sizes can often be reduced by up to 40% without fficiency. EXHAUSTO compromising boiler operation or safety. s on a consistent able to control the • "Impossible" installations can be made possible. ers, can provide • Side -wall venting can be designed to save space and avoid expensive penetrations. 1.737.174 1 1.594.955 1 333.631 1 3.665]66 1,433,045 1,188,096 0 1 2,621,141 304,130 406,859 333,637 1,W,625 18% 26% 100% 28% 3,803 5,087 4,172 13,061 3,906 5,224 4,265 13,414 53,515 $4,702 $3,857 $12,073 These documented savings are achieved by an EXHAUSTO mechanic, raft system that is acting faster and more precise than any other draft control system in the industry . Althouglf actual savings depend on the individual installation and situaton, the customer generally experiences savings of 10 -30f4 - savings no other mechanical draft system can document. There are a number of cases where EXHAUSTO has been able to reduce the total project cost by providing a mechanical solution. The above table shows just one of these projects. With our extensive know -how, we know where the opportunities are, but also where the limitations occur. EXHAUSTO 4 4 VENTING DESIGN SOLUTIONS 3,(O$ Enhance Draft for Efficient Operation Improve Aesthetics A Chimney Automation System allows the stack to terminate "out of sight" so the architectural integrity can be maintained. Modulating Combustion Air Supply Systems can do the same 'or air intakes. Clean Improve Safety Mechanical venting solutions add safety to any venting system and assure shut -down in case; of insuf- ficient draft conditions or other unsafe: operating conditions. This is an integrated part of any.EXHAUSTO system solution. Is Design it Your Way A mechanical venting solution offers'tlib;engineer the design freedom soother venting system crovide., an '.engineered system" only goodie q ee ring practice and mechanical codes are limitations w,.,opportunities are endless: -I x • Reduce stack diameter a�nd • Place boilers where best /'suiotwhere. required by codes governing gravity'vente systems • Insure against unpredietabI,- situations. 's • Maintain proper and a co s ant draft far optimal Boiler efficiency. • Maintain low emissions, iri ding:NOx • Extend equipment life 3 - And avoid: • Excessiveldraft aa leads to inefficient boilers and flame failures.•J'y • Premature 'burn out" of heat exchangers • Code to��lie problems • Intrusiv�e- i'mney designs • Vent`g "{system taking up valuable space 5 VENTING' DESIGN SOLUTIONS 3.ID 1 The CASV, Chimney Automation SystemT" for vertical applications, is a well- tested concept in mechanical venting of commercial boilers: and water heaters. It features "on- demand" control, that maintains a precise draft by constantly adjusting the exhaust rate to meet ,current needs. The concept can provide substantial savings over gravity systems and offer significantly better draft control. The Chimney Fan is installed at the termination point on the exterior of the building. The heating appliances will operate more efficiently and produce a higher output. Benefits of installing a CASV system include:. • Full modulation and 100% draft control. • Priority Operation Function and Bearing Cycle Activation • Interlocks 6:appliances (standard) or as many as necessary with add -on relay boards. • Easy programming of essential functions - 80 parameters are programmable for customized solutions. • Cast aluminum chimney fan and impeller for use with Category 1, 11, 911 and IV appliances (condensing and non - condensing). • .Maintain low emissions, including Nox. • High-temperature T.EFC-motor with a Class H.tempera- ture rating, direct drive and true variable speed (inverter duty). • System and control are listed toUL378; Standard for '.Draft Equipment and CSA3- 8255 -M81 for Mechanical Flue Gas Exhausters. • Maintenance free and,service- friendly design. The CASV System can be combined with an MCAS and a MODS system all controlled by single control unit. Exhaust Und . RSV Fan, .r Control System' E8C 30' — 6tegrated`,''control. with constant pres, e modulation 3�tt Speed Control: For 1'. .phase fans.the speed �, control'is provideddirectly x'- _ by the ES control-- - For 3- phase fans th'e #speed control is provided by a7VFD - In boiler room_: BBM or'BBF Bala cing,Baffles ii - - connectors - P s • �w AM'S 6 3.(fd The CASI, Chimney Automation SystemTm for inline applications is awell- tested concept in mechanical venting of commercial boilers and water heaters. It features "on- demand" control, that maintains a precise draft by constantly: adjusting the exhaust rate to meet current needs. The concept can provide substantial savings over grav- ity systems and offer significantly better draft control. The Power Venter is installed inside the mechanical room. The heating . appliances will operate more efficiently and produce a higher output. Benefits of installing a CASI system include: Full modulation and 100% draft control. • Priority Operation Function and Bearing Cycle Activation • Interlocks 6 appliances (standard) or as many as necessary with add -on boards. • Easy programming of essential functions- 80 parameters are programmable for customized solutions. • SS316L and aluminum impeller for use with Category I, II, III and IV appliances (condensing and non- condensing). • Maintain low emissions, including NOx. • TEFC -motor with direct drive and true variable speed (inverter duty). • System and control are listed to UL378, Standard for Draft Equipment andCSA3- 8255 -M8i for Mechanical Flue Gas Exhausters. • Maintenance free and service-friendly design. The CASI System can be combined with an MICAS. and a MODS system all controlled by a. single control unit. E'x'haust Unit, . RSIB Power, Venter :Gfintrol System: EBC 30 == integrated control _ - - - with constant pressure 9 modulation;. Speed ControC Fort-phase fans the speed' control is provided directly _ by the EBC control. -, For 3 phase fans the speed` ° - control is provided by_.a, VFD. i - Ir% _boiler room:- - -__ BBM o!BBF'Balancing 8affles -�� in'connectors I 3 c us Ulm 9.11 The MODS, Modulating Over -Draft Damper SystemTM provides a perfect draft in chimneys where excessive draft is experienced. It is a well-tested concept in over -fire draft control of commercial boilers. It features "on- demand" control, that maintains a precise draft by constantly adjusting the exhaust rate to meet current needs. The direct-drive design provides substantially more accurate draft control than traditional over -fire draft controls due to the multiblade damper combined with the fast- acting EBC3( control. Benefits of installing a MODS system include: • Full modulation and 100% draft control. • Integrated safety system with Proven Draft function, over- pressure cut -out switch and operation verification. • Priority Operation Function, and Bearing Cycle Activatior • Interlocks 6 appliances (standard) or as many as necessary with add -on boards. • Easy programming . of essential functions -80 parameters are programmable for customized solutions • Multi-blade damper for fast and accurate draft control • Maintains low emissions, including NOx. • Fast - acting; direct drive actuator with brushless motor • System and control are listed to UL378; Standard far Draft Equipment. • Maintenance' free and service-friendly design. The MODS System can be combined with a CASVor CASI and an MICAS system all controlled by a single control unit. d directly, •thespeed =_d,by=a F �t 8 EXHAUSTO VENTING DESIGN SOLUTIONS The MCAS, Modulating Combustion Air Supply System'" assures that the exact amount of combustion air is brought into the mechanical room. It features "on- demand" control, that maintains a precise pressure condition in the mechanical room by constantly adjusting the air supply rate to meet current needs. The concept can provide substantial savings over louvers and offers . significantly better control of the supply of combustion air. The Box Ventilator (or inline fan) can be installed outdoors or indoors without modifications. The heating appliances will operate more efficiently with fewer flame - failures. Benefits of installing a MCAS system include: • Full modulation and 100% pressure control. • Priority Operation Function and Bearing Cycle Activation • Interlocks 6 appliances (standard) or as many as necessary with add -on boards. • Easy programming of essential functions -80 parameters are programmable for customized solutions. • TEFC -motor with direct drive and true variable speed (inverter duty). • System and control are listed to UL1995, Standard for Safety Heating and Cooling Equipment and CSA C22.2, No. 236 -97. • Maintenance free and service- friendly design. The MCAS System can be combined with a CASV orCASI and a MODS system all controlled by asingle control unit.. 4' V1 t F supply Umt, BESF, BEST or SFTA Jr 3 Control system? N EBC 30 - integrated control with,constant pressure - - regulation of bothezhaust -aid - -_= Supply air.- S� eed .p Cont_r_o,l. ,4 = Fo-.r 1 . P hase` an he s- peed: i ; - control is provided directly by. - - the EBC :control. - `" For 3 -phase fans,the- speed` controli_is provided by.a VFD. I .Duct -- Fabric. Duct ` _ d i cc ,us EXHAUSTO VENTING DESIGN SOLUTIONS Vertical exhaust in small compact design '. High efflaen£ aluminum Impeller�guaranteemg EXstream per formances 'Made m cast aluminum`(dutdoor installation) - k `` # *,�t '• ' Operatingattemperatu4esupto575af300C) t - - Y Variable speed Class "HI motor { y =_ -Crlam shell design opens 90 for full duct access " r srzes.availatle ETL°anddETLC fisted RSIB Power Venter ,; J IM, TT�' -- X` }r '�-t" �3 +- •* Inlineexhaustelnialcoinpacttlesign AL - - 3 F {f $Iii High'efficientaluminum Impeller gvar�anteemg EXsfream performance � , - � "- a• $ MaoeGin S53 r:6L?i (indoor or outdoor installation) - S,•x,_� y{ � { `Operafin9jat,�temperatureslup 0 575;F}�(300 C) � " + t s =a, _�fI.rl„ VanablelspeecliClass Amotor - -4 sizes available, ETL and ETLc listed =n � � _ - - - - e High en cldncy tubeaxial fan imcompact design"' Energy efficient Steel housing`& cast aluminum propeller • Dynamically balanced propellers,for quiet wbration_ =rre- operation Vanable speed)3 phase motor Class F nsulated Totally enclosed variable speed motor,(r_EFC) overload protection UL h tted — . K a a,, BESBILIOw- Energy�Fan� 3a; ',� r, Y, f Low energy fan in compact design N ` `r ,.,'^' } 11, Igh effinenvalurOinum impellerFguaranteemo EXSiream'perfgrmance made from corrosion resistant mater al.(mr]ooror outaoor installaton) 1 housino and quiet operation; .. Variable speed Class A motor Access vjklil"DW open,ing; angle and roll duct access_ - �'' available, ETL and ETLc listed*.- - rBESFVentlator z r ,s J >�`�1�, CAS Low energy fan in compact design e El�icientwrth- forward- curvetlimpellel:' _ Made from corrosion resis'tantmaterials(indoor installation) _ Insulated housing andqu etroperatio_ n - -- - Variable speed Class H motor Access with 180o openingaAgle and fulhduct access 3 sizes available; ET,L.and ETLc listed_- - 1 cEBC30 Moclulatrng' �FanLonfrol�� ' „��,��z��y��C�ASV;�G,A I,�MC�45�,MODSs u,� Fa ^nc.,gm r ” * * a � -r ki ts`. EBC14�Modulattng�Fani+Control �;;;�,�� MCNAS� �,� Constant pr,essure;controffor fan or, ventilator; t Oseo with single modulating' heating appliances tofcontrol combustion { t € am= �, =air supply;to the boiler room +t' " +.,, a < -.Helps eep power consumption down- _._ Provides 0 -10V signal and 120VAC:signal • e "Plug,and Play design for easy operation —' .p 'rovides,0 -10V signal and =10 120VAC signal 4�- x - ETL and ETLc Bted = ' - — Constant pressure control;for chimney fan power venter Nsed with single modulating heating al pliance wh'e ;e mnstant raft is needed in thestack ° `' � °_ _ Fa ^nc.,gm r ” * * a � -r ki ts`. EBC14�Modulattng�Fani+Control �;;;�,�� MCNAS� �,� Constant pr,essure;controffor fan or, ventilator; t Oseo with single modulating' heating appliances tofcontrol combustion { t € am= �, =air supply;to the boiler room +t' " +.,, a < -.Helps eep power consumption down- _._ Provides 0 -10V signal and 120VAC:signal • e -- _ For I n'stallzton,ofRSU fans on a premanufactured =steel chimney_ - - 'Fits most dommon standard chimney.sizes ?Y--- - `- - Made m 16GA SS304 -- - =_ Custom "sizes available " _ - i } ,, u. . a "'• ""a?�a -'7'" V e rP 3'^$' : y - —: � PL"X Plenum Box��` �!.W!,��wr�?;�s�i'��`� ms F ,ortallationofmultipleRSVfans " Fits most common standard chimney sizes l2GA galvanized' steel gf m Standard Oe: program ((: m usto sizes available) _ fiAvailable`in stain less steel °BBM Balarcing BaffledI �iASVC%ASl For installation in B� vent and single wall pipe male%male sittings; 5 - = Adtustablewith handle,and lock-nut, t " • ' "'Avarlable m sizes.from 4' -ID to`30" ID_- - r,, "Custotnsize "s'- available { Made m 2464 2064 and "7SGA (degending on srze) galpanized steel,{ Rated f 500 °F ( or tem eratures,u to 2fi _ • 1 5531W6 N� W� 3a 8' Sam' �;. BBF' lfV 0� *0 I J System Components and Specifications RSV Junction P— Msv Mu. RPPM' Supply Ou�ul MpN MP Mnpe ! RSWOB Use BBF fa 8en0eH wnneaM BBM yyy DiSCennelx WA BBM' tN "epyme 041n0 BeMC 61 Ea'Ae 0.4 ar PBnRI G16Vp12 1- , I 19 IA (ey 45az) RBWte 1M Sam' �;. BBF' lfV 0� *0 I J System Components and Specifications RSV Junction P— Msv Mu. RPPM' Supply Ou�ul MpN MP Mnpe ! RSWOB Use BBF fa 8en0eH wnneaM BBM yyy DiSCennelx WA SCA s+;lpn Ea'Ae 0.4 ar PBnRI G16Vp12 1- , I BIOEM Fan Lpnbtl Tr B8+ Fm Be1Fn4n8 BWItl app0mw5 MeuMlnB BafBes P— Msv Mu. RPPM' Supply Ou�ul MpN MP Mnpe �s RSWOB Use BBF fa 8en0eH wnneaM BBM yyy Ip all P�� >. II h51n abYanpOs WA 1F Hamper, n must x plxea Below ne 120IMN Ea'Ae BIOEM Fan Lpnbtl Tr B8+ Fm Be1Fn4n8 BWItl app0mw5 MeuMlnB BafBes P— Msv Mu. RPPM' Supply Ou�ul MpN MP Mnpe LRSV089 RSWOB X90 yyy E612 WA BBMRBF 120IMN 1130 0.4 1880 G16Vp12 RSW12 19 IA G 14 RBWte 1M 2B CBSV016 RGVOtB ppy ill 68 LPb W RSWIM lr! 1 LA6 W RSV260 tM 28 G 15 RSW15 In 5.8 MIN - YiB. Roft R B' ft.MMeM MFa rr, `Pno mnspw qlf wiring must cc codes, and in the eBCPwIERSUPPIV eaov ea a - 1' National Electric zrn coRrno�clRalr m.Bl 3 30P sd FM POW WWLY BOP/ 5.8 3 — H NPRMNLELOMRMQRLUR ° - 1 - — mply with local r absence, the I Code, NFPA 70. Job specific - check local code 13 EXHAUSTO VENTING DESIGN SOLUTIONS �. I XTP EBC30 z ca"r"s MUVKMn CIVOC System Components and Specifications 4i.•�:g v agCUnllGd r BBM' I# Fan BBM' � Nr we 7 1N'piwna TED '"n' m�gq VFO .ppll.nu. Mwnelna R."le. supply )npa Zz Nput aW e,a 6 b16GLRIEG w �a S mttll d `e ,`' 00 uze..F Iw A."- mnr�edm MM Iu ell o .r If k,.9 LMa1MNC Mb21 IW i'4 22019,N0 " iA 129) CASVI00 RSVIb b621 M 8.2 T009M0 2.5 1.0 m bdlanw cpnlml w ,baps, RdyRaMO I.e 380.aB01b50 2.0 10.12 C 0V AC A System Components and Specifications Gamper, t rwzf Ce r4a0 Oebw Ne E.Me MpUM FN CPIRM 4i.•�:g v agCUnllGd r nM Fan BWnW � Nr we 7 Mv. Parer IYZ Mn RPM TED '"n' m�gq VFO .ppll.nu. Mwnelna R."le. supply )npa Zz Nput aW e,a 6 KO A W F.n Current F. w �a d `e ,`' 00 uze..F Iw A."- mnr�edm MM Iu ell o .r If k,.9 LMa1MNC Gamper, t rwzf Ce r4a0 Oebw Ne E.Me MpUM FN CPIRM oanre.a nM Fan BWnW Pm.., Mv. Parer IYZ Mn RPM VFO .ppll.nu. Mwnelna R."le. supply )npa Zz Nput aW KO A W F.n Current F. VF0 Fan MF Mb21 IW My 22019,N0 " iA 129) CASVI00 RSVIb b621 M 8.2 T009M0 2.5 1.0 IM Ebb. Ny. )Rp �alatlt UMF) ,baps, RdyRaMO 380.aB01b50 2.0 400 13I80 2.1 1.0 17A eBMA� 2b24WIM 21.5 230/ is 2.0 1M C/SY150 RSVa50 N^e. 2e15 g10- 2101iW 122 23N 6.5 2.0 ITM 380Jnr 5.1 dOMIFO ae 2.0 ,2ID "' ^RNp Raliq MF. a2Matla All wiring must comply with loc 1w�mN N1v Ww. codes, and in their absence, it Pi2 eoc2 as 2 ,. National Electrical Code, NFR cua mm 0 bs 24 " Job specific -tl2eck local code PIV SeSV b.tl 5 11 i CIRCUR W=MC -' 1 ROL CIRCUR - b.t 2 2EP 21 ply SOOV raEaza a „ EXHAUSTO =, _ 14 VENTING DESIGN SOLUTIONS W e t 70. -t26b 3.19 VFD XTP ESC30 Stack Junction I' Bo: L Oa.c mct Switch IM aaeml FAN POWER SUPKY RSV400 PLX �J BBM' I BBM' BBF' trA• aiM. DIS 1 , mdlry IMU 81 Mich Switch ®CL7 OM wAelal DisOmnect rit�$i 1� sworn (by oMersl a M m Appianna fi N ' Use SSF la neripe0 camecAon SSM > W Imwod WlOnp Iw ell opw�. Il lntlaAirgaC.mmeln[ 16130V AC Mmoat WpkmOb bwme bdfl.. home. System Components and Specifications Mp Fan control Wnfosa MH Fen a .i' Paves Mc P. MM. Mac. RPM VFD sppft n MwftM BMMs Supply Imo Supply Drys OW W VFD Ampto Fan Coma F.. VFD P Fan HP OASVM0.2 51eSVM0 3533 200.3MI4S0 1 4.1 W301180 5.5 3.0 top ESC so, . XTP RHP) °n R PLX SiiM9SP WO4N1A30 15 3c 60 21 2.0 CASV MOJ 2 M0 2560 306NN100 Y!1 IQJN}&1 3.5 40 1n0 ewsMtll �� (5HP) p 3SO WM0 13A {uA0NS80 2.1 40 CASVMOi 1 VMO 28{0 200.21 M M {I¢3MM0 (5NP) 380.1e0I390 13.0 Ie10W3.00 21 1.0 All wiring must comply with local wvD wDaR.Gg e.Mnp NO.WlawMi M... nn. nape len0a colt. wean codes, and in their absence, the National Electrical Code, NFPA 70. "Job specific - check local code E1fCPDWER SIPPLV IDDV a3 3 - xTP CONTROL CIMUR a41 ta0 FANPOWERSUPPLY (Oea ten) SOON aae above a APWANCE CONTROL GRGIR •• — 1 ••M.1 W14 2 MD SUPPLY(.a VFD) SOV aaa 5 - EXHAUSTO 15 t VENTING DESIGN SOLUTIONS 3.11` XTP EBC30 MC a ClAcurt MU. 10vx \J BBMe' - BBW 1M' F®mro Yd91Mou. on All wiring must comply with local DMmne SWIM OMpgleq 1 1 codes, and in their absence, the CHIC M%MER SUPPLY 600V a , on o 2 W^ 7� 3 N m.m dangel n rn.M W pa-d oon me yoD Uf w Appliance Coed epeabove IrRedod WPVq 10-120v Ac System Components and Specifications Node Fm C vl Denlo. 0 W Fen E VFD appllancn Mounting CASV450.2 2.PSVa 2sw - Af 2 500' x.30 (5HP) CASV450 -3 WSVa5o 2815 2810 ran, ary ML 2854 ES 12 Kx l CASV4504 4eR$Y45p 2XAA0 AG 2825) 28i5F2 #B40 CASV460,5 SaRSV/50 (A2 28]S) Juncgan Boa Diewnnett spdt h ft omen) VFD VFD d� b ,I I VFDNfMCIpRCIMF eOELDED aE - Bap SWltchea gy omen) RSV450 At PLX Pow. M.. Perm May. Max PPN supply Input Supply Input Output VFD kW Fm Wrlrrl Fan. VFD P.FFn W 20g- 2aO916s TJ.s bL]D"iB0 65 AA t]as bgaggggg 110 2e4DN1Ra J.a t0 1]10 2004CV! H1 1 112e ,5 9r2� fly 6A 1740 i All wiring must comply with local 3h wg 1 1 codes, and in their absence, the CHIC M%MER SUPPLY 600V H S � , �., o 2 Uee WF for Ranged wnnecoon DOM 7� for all Uner. 11..1 ing a Eammelnc m.m dangel n rn.M W pa-d oon me yoD Mle. Pow. M.. Perm May. Max PPN supply Input Supply Input Output VFD kW Fm Wrlrrl Fan. VFD P.FFn W 20g- 2aO916s TJ.s bL]D"iB0 65 AA t]as bgaggggg 110 2e4DN1Ra J.a t0 1]10 2004CV! H1 1 112e ,5 9r2� fly 6A 1740 EXHAUSTO 16 VENTING DESIGN SOLUTIONS Z" 3 Wer: u;pw All wiring must comply with local 1 1 codes, and in their absence, the CHIC M%MER SUPPLY 600V 6A , .. la National Electrical Code, NFPA 70. zrP CD2lrRa clRCUI] m.m g yoD 24 FAH POWERSW0.Y loon, lm) I a00V i epeabove 3 11 MPUAMCE CIXVIPOL gHgln l EFICB VFp CONTRC1 gPCUR - Af 2 500' 2A EXHAUSTO 16 VENTING DESIGN SOLUTIONS Z" 3 a N� $bWo 6' U W nuPance caeha k 10-12w AC nc System Components and Specifications YeCa� Ah fmbal Da4we TX BN VFB BoeN epp4eue CABtl00 R81030D Be Nr 612 Cr1R4150 RBW]60 Its OK EBC]0. Ytl.XR .- CASM00 R&&p0 ^M eMG x]16 RP MJan wey �) ReIry BpMA CKLSW RS ®5W xax2 IAIP) ' Ub 9eF Iw+lengM <mnet9m 6BM Iw W dFer tl FeleB`rg a bsomaN< dam, h mm be pax0 btlowpe b9Te. S.11tl _ (hy obars) a >a a: N� w �e J� a 17 EXHAUS O VENTING DESIGN SOLUTIONS 3.1-21 r•. aun R,a.w ra.nwe. xe. wn All wiring must comply with local �wwa ']"O` 1'"0"' YP16ipi codes, and in their absence, the Esc POWER WMY ww w National Electrical Code, NFPA 70. XIP CgHIROLCWCUrt x,01 0.a N+ Mca Mcvzur =Ifi Job speafw -check local code 17 EXHAUS O VENTING DESIGN SOLUTIONS 3.1-21 a a w� w� 3° D� a U w EBC30 Disconnect Stitch ryy o ) Appliance control Interlock Wiring 10- 120VAC OVER- WSSURE CONTROL CMCUIT System Components and Specifications PDS MOD512 t' ®qD, aniW probe RM N, mth M wim MOF Damper XTP tla-smraM Yes �. amble IN1aa. s•I MODSta MDF14 SMd PuWaon MDF16 MOD518 Fnrer MDF MDF20 MODs22 MDF22 MODS24 MOn4 MOD526 MOF26 M00326 MDF38 MOOS30 MOF'30 MODS= MDF32 MODS34 MOF34 MODS36 24V AG MODS38 14 F38 Transformer vl & Damper Control AGUYw G* Staek Tnnafanror Power Switrl, Pulsation Suppty Flltar MOD512 MDF12 ®qD, aniW probe RM N, mth M wim MOF Damper Yes Yes Yee 1201+ MODSta MDF14 MO0s18 MDF16 MOD518 MMe MObs20 MDF20 MODs22 MDF22 MODS24 MOn4 MOD526 MOF26 M00326 MDF38 MOOS30 MOF'30 MODS= MDF32 MODS34 MOF34 MODS36 WF36 MODS38 14 F38 MODS10 MO D MOD542 NIM42 Mons MDF44 MODSb6 MOF48 MO0sis MD1,48 WbInH M. PA&V RatlnH Nadtuh M.. Mn, Amps Lbngtlt Win Wupa EBC&ACTUATOR POWER SUPPLY BNAI 63 3 U XTP80F SWRCN CONTROL CIRCUrr N.Di 3 300' 24 APPLIANCE CONTROL CIRWR 4 EXHAUSTO E ,$ VENTING DESIGN SOLUTIONS Disconnect a switch w leyalhan) rc W o Se 6 N R� D a All wiring must comply with local codes, and in their absence, the National Electrical Code, NFPA70. Job specific - check local code 3 . IZ2�2�> Outdoor Pressurel- Probe XTP 1 /d'silicone F tubing EBC30 XTP CONTROL CIRCUIT Wx. 10VDC SHIELDED CABLE 41 BESF /BESB J L N Se W 3r a a LL System Components and Specifications Junction Box Di Switch Switch tby.thml Appliance Contra Intadock Wring 10 -120V MGM FM Control Mac N1n, All wiring must comply with local RIMM L=Mth Wi1° our codes, and in their absence, the BueE aPP�:wa DuctHwM SaPP1Y OWPUI « +• National Electrical Code, NFPA 70. XTP CONTROL CIRCUIT - A.01 3 MG514a BESF148 FAN POWER SUPPLY MV 5A 3 1no 12 "Job specific - check local code MCASl" SESF146 4 « 114 2A MCASiSD BESF1aD Yn EST? OPaonal 12W1/BO V2 5.5 1s00 MCAS25D SESIMM 12 5A Wiring WksRMtq Bering Nm of lams Mac N1n, All wiring must comply with local L=Mth Wi1° our codes, and in their absence, the EBC POWER SUPPLY soov sa 3 « +• National Electrical Code, NFPA 70. XTP CONTROL CIRCUIT - A.01 3 3DD' ?A FAN POWER SUPPLY MV 5A 3 14 "Job specific - check local code APPLIANCE CONTROL gRCUn •• 4 « EXHAUSTO 19 VENTING DESIGN SOLUTIONS_? 3r23 Outdoor Pressure Probe EBC30 Appliance Control Interlock Wiring 10 -120V System Components and Specifications Alodet Fen Control De111ow° M6' 011et 11NM Power Max. Power Max Max RPM VFD oWleneea SupPiY Input Supply Input Output VFD Amp to Fan Current Fan VFD Fan HP 2242401180 16.7 230/3180 33 1.0 1740 MCAS315 SES8315 3B0] 2D0440GM 82 33 1.0 1710 2169!80 (ltli) E13C30, Add 1 300ied98D 3.0 /809/fi0 19 1.0 1]40 22424011160 24.3 210880 5.5 20 1740 MCAS900 BESB400 W. XTP 2815 RalaY op5onal 2042401380 122 236980 5.5 20 t]IO And alaok probe (2HP) Board 380JAal"o 5.1 4809/HO 2.9 2.0 ,]40 MCAS5W SES8W m22 200 - 24200 - 244380 -260 14.1 230MM 7.8 &0 ,740 (3HP) 380-466?Y80 75 464380 41 3.0 1740 All wiring must comply with log WWtq WIn Flail" Wag Na of laatla Ma. Mm. Ampa „11917, WneWU9e codes, and in their absence, t ESCPOWERSUPPLY BOOV 6.3 3 National Electrical Code, NFF "Job specific -check local code xrncoN.ROLC"CUR D.D, 3 FAN POWER SUPPLY BOOV s.e 3 APPLIANCE CONTROL CIRCU[T 4 =424 ESC 8 VFD CONTROL CIRCUrr c01 2 VFD POWER SUPPLY soDV awabwa 5 EXHAUSTO 20 VENTING DESIGN SOLUTIONS :al he A 70. 3.1 24 OWdoc 13e 1 Probe System Components and Specifications Mp Fen Ca .l Da Mau eW M" Heater VFD appllance Appliance contra Inienwk Wring 10 -120V MOA816 8FTA,6 2807 1' LLU[9WYIX1 380 - 180(190 a! 3D (ILL .. {66980!180 to 1 1710 z.e Yr.1818 8FTA18 EBC 30. 0P 200.248990 886180'W 8.2 3.0 20DZ00F190 486488341 10 1 171D 2815 208248990 122 2062083911 4.0 A1CAH 21 SFTA21 01d. XTP Vae M00e 12Hy R.* OPII 380080(490 5.1 088988342 20 1.5 1710 MckS14 8FTA24 2022 13rPI 206208390 3a00a839D 141 7,6 206204390 966984344 82 4.1 3 170 MCA830 BFTA30 2&10 206204340 23.5 2 204390 14.2 5 1720 IR4'I 380088340 130 086488'394 71 YCA836 a A36 2615 2062441E0 - 206240(440 23.0 10 1720 11x`8 386488'180 219 986480/185 115 WIHr,p VR %M" Rff rg RaoflsaUe Ataa. YM• All with local Apps 1m061 Ww4wp wiring must comply codes, and in their absence, the EBC POWER &1PPLY eoov sa a 14 1RP CONTROL Cl C ff mm a s6o' z4 National Electrical Code, NFPA 70. FAN POWER SUPPLY W W 59 3 14 APPumcE cowntoLC04WR - { EBC&VFDCO o.cIRCUrr A.i 2 300 D6 VFD POWER SUPPLY 600V aaeaUp,e 5 14 "Job specific - check local code 21 EXHAUSTO C VENTING DESIGN SOLUTIONS 3.125 - ` • Challenge Venting of three (3) Onilux Forced Draft boilers (14,000MBHIea ) z without challenging the architectural aestheha or the building 'v, fT'"" k �,T'r;' �` a 1 Solution''Insallation of a side wall venting 8 fan CASV400Khimney Automation ' System with, multiple variable speed drives The venting sysem way doNinslzed, irom 38 ID to,28 ID for co_sY ;savings sx ,rr IhstallatiomYear,2004 Engineer. Jog Consulting Costa Mesa, CA. T Contractor lJnroervty Marelich Mechanical, Anahei6,RCA { M� • - 77 7 . r , { ` �-}#' { e x1 C� v 'A i'*a *}W'.'trT` "x v �-3 $,a +"I`«h ixil rf`i2mzt,Fleld PlttSbOr fPA ?-a +r 9 r Challenge Venting of eight (8) Thermo{ Solution EVH 2000 boilers fcr the field - ?^ %r'fll, �.- - .,� 35u.. u�_�i � haaimn orNCmc, and hwn h}.p r} ,SmHh 4 0(tOMRH Rnilarc' nr dnm[+cTmS. water nesters -on omer concourse ieves Installation Year 2001 = i ...gam -ak 4 _ >s' ^ {• +GontraROr.SSM InduS[iles;. Pittsburgh PA„ Y a, Pa �,;+Tto irt„a`*� C$S Television xa; 3-z � j Installation Year 2002 Engineer CBS, - I _ tontractor.,PPC Air - conditioning Cypress; CA ^ - _ _ -__ __ .. _Reglorial* Plumbers &PlpeFters��Tra�Inmg�Center PearI�MS� � -� , �� __ -_ - ---Challenge Toplace the boiler room in an accessible location and allow' - fin, yikors toysee the operation of he heating appliances The boiler stack had ` o berexposed;sooe erybody_;could'see it was a parttof ihe'boi room` The - le ¢oiler system consists of two (2) Fulton Pulse Boilers rated' at 1,400MBHlea 'Solution In'stallauon of a,CASV system vvith a round fanrpamted in t-helstack's color so it blends in Tt7e system improves�the`operabng,effioency of the= Fulton _ IT - ' ' ...pulse boilers. Installation :Year -2603- 3-z � _ Challenge Insufficient stack;capaatylto vent all Cleaver - Brooks 500LE bolersr - -- _ r i C, "(6/namnnrrannn,amiJranPnudy hdt ayrau2iva rfraft when nnnrahnn on a na'rtial- _.'toad. "'. Solution: Installationof "a C4SV450 -7 system witb multiple vanable speed drives,, u tlamper system %which monitored and controlled excessive.�oratt situation; Both - draft c6ntrol:s9i ems are monitored simultan_ eously,by.a single EBC30 controller _ Installation Year 2003 Tt a a I .>a. fi ngmeer Ellerbee Bzckei Minneapolis_ MN _ r" - {ontiactg`r. Hill MechaniczhCrnca'go, IL - � BC Center�(�SpursArena)� SanAntonlo TX „,� +,wu,,.,,,._a`t'a • tam:. f t �-., - =�3� s r 6r't 3 -aa. ty'y 7r i T a' ua 4ro g, col It e A t x lnjF# ry e Ta rE^ ,F 'a I kr T a :.' .LifegTlmeFltness}rCnter Al1�US�Locatlons�,+ � ��”; n =` °�4� � � g�� '��, _ Challenge. Most centers,,needed numeeous,roof penetrations to vent heaters T dryeis�and kitchen ventdanon: equipment In the ongmal layout the venting would i j _ r lead to code rmolanons due to excess ve runs Solution The Ayers are vented via a common duct'that is served by a MDV5500 ! ` ' t� �� - a ' Mechanical Drvef Venting SystemTM A GSV400:grease fan serves the kitchen m -! _t the centersrbistro ;t a " g� Installation Year. 7998 -present,, j {r r` r5! ,,Engmeer. Emanuelson =Podgy Edina MN '7 = i,; r' i$j1i� 3 ,Installation Year. 2003 23 EXHAUSTO E3 VENTING' DESIGN SOLUTIONS V/ f v. '3. ( 27 City of Newport Beach FLUOR, Hoag Memorial Hospital Presbyterian DATE 19Mar08 Project No. OOA3YZ Rev 0 Plume Mitigation Measure Review Appendix F Cooling Tower Water Vapor Abatement — September 2007 F - Appendices City of Newport Beach_RevO 3_19_O8.doc �- 3.129 OPTIMUM SYSTEM 50LUTIONS9 iNC. COOLING TOWER WATER VAPOR ABATEMENT HOAG MEMORIAL HOSPITAL PRESBYTERIAN ONEADAG DRIVE, P.O. BOX 6100: NEWPORT BEACH, CA 92658-6100 17 September 2007 FOR: Hoag Memorial • Hospital PresbYterian T.O.Box 6100 NewportBewh, CA 92658-4100 M OPTIMUM SYSTEMS SOLU11ONS, INC. 3527 Mount :Diablo Blvd. #227 Lafayette, CA 94549 Project # 7006 3527 MOUNT DIABLO SLN0. f227 L4oxr.nc. C' 94549: 1925I 263 -4-80� FA. I925I 2.99-9326 iZ� 3.136 Cooling Tower Water Vapor ribatemenz TABLE OF CONTENTS L INTRODUCTION A. Optimum Systems Solutions (OSS) B. Evaluation C. Cooling Tower System D. OSHPD Process II. SUMMARY 17 Sept 2007 A. Proposal One: Adding Beating Coils to the Tower Di "wharge, and Marley Tower Modification. ( B:. Proposal. Two: Adding Radiant Heat or Inject Hot Air into the Towers Discharge C. Proposal Three: Modifying Operational Parameters - Load. Shitting Through In House Modifications D. Propo* Four: Blend Incoming Warm Water with Cooler Tower Water Basin. IV. RECOMMENDATION: Fla 1 Exhibit A. Newport Engineering Consultants Report Exhibit B. Hoag Original Report (Syska Engineers) Exbibh C. Bock Engineering Approach Exhibit D. Letter from Air Treatment Company Exhibit E. Existing System Description Page 2 3.131 Cooling Tower Water Vapor AbatemenI U. INTRODUCTION 17 Sept 2007 A. Optimum Systems Solutions (OSS) We were requested to provide input to the ongoing investigation to reduce the` visual impact of the water vapor discharged from the Hoag Hospital cogeneration (CoGen) plant cooling towers. We are a licensed mechanical engineering consulting firm with over 25 years experience in design and troubleshooting mechanical systems specializing in healthcare facilities design, construction projects, and systems troubleshooting in California and international. B..Lvalaation The scope of this evaluation included (1) reviewing Newport Engineering Consultants Repast (a copy of which is attached hereto as Exhibit A) on Possible Avenues of Mitigation for Cooling Tower Condensed Water Vapors for Hoag Co- Generation Facility and (2) the reports and proposed options for the cooling tower water vapor abatement submitted by several firms retained by Hoag (copies of which are attached hereto as Exhibits B; C, and D). C Cooling Tower System The cooling tower system was designed to operate as an integrated sub system with a r cogeneration . plant to provide essential services such as reliable electricity, as well as chilled and heated water, tc meet the growing needs of Hoag Hospital's operation. This is imperative as Hoag Hospital provides an essential serviceto the community. During the design and permitting stages of the cogeneration project, multiple meetings with the neighbors and the community clarified the scope of the.project. In addition to those steps, due to the functionality of the, plant, the hospital went through mandatory plan reviews and approvals by special government agencies. The additional required consextts were obtained from all other governmental agencies, including, the California Coastal Commission, and South Cost Air Quality. Management Distract (SCAQlbib) the most stringent in the nation. Hoag has expended a substantial amount of capital:funding to build and bring this very complex system to. its current operational state, D. OSHPD Process The Office of Statewide Health Planning and Development (OSHPD) is a California State agency, which administers a program requiring any health facility construction plans to be reviewed, permitted, and facilities are inspected to ensure compliance to State seismic safety laws. Any physical modification to the CoGen plant will be subject to OSHPD review. Modifications to existing systems will require revising the systems to different requirements enacted after the date that the CoGen was approved by governmental agencies. In most cases, bringing an existing system up to current codes result in significant additional cost that oilers very little value in return. Except for operational ( } modifications, all other options proposed in attached reports will require either physical modifications to existing equipment such as supporting pipes from existing towers, or building new structures to secure additional equipment; Consequently, new structures are Page 3 3.132 Cooling Tower Water Vapor Abatement 17 Sept 2007 needed to support and properly brace the additional pipes and anchor new equipment in place. TIL SUMMARY OF CONCLUSION After reviewing the proposed options for the cooling water vapor condensation abatement set forth in the report submitted by Newport Engineering. Consultants„ shown in Exhibit A. we would like to offer our analysis. Please note that except for the Bock Engineering approach (Ifeatbeam on tower discharge) all other options are presented in the report submitted by Syska Engineers, shown in Exhibit.B. The excessive costs to implement the proposed modifications and the additional energy consumption by new processes will defeat the purpose of the cooling tower system as a cogeneration entity. The primary purpose of the cooling towers is to reject thermal beat to the atmosphere so that there is efficient operation of the engines, waste heat recovery systems; and chillers. that make up the cogeneration plant. Most importantly, the effect of the downtime during the modifications will significantly compromise the hospital's ongoing operations. Furthermore, there are no guaranties that any option or any combination of options will ensure the complete or even significant elimination of the water vapors discharged by subject cooling towers. We agree with Newport Engineering's statement: "A partial.mitigation effort is unhikely to resolve the aesthetic issues associated with the water vapors ", but we are doubtful that a combination.of proposed solutions will fully eliminate the water vapor discharges. IV: ALTERNATIVES The following discussion attempts to address each of the proposed solutions outlined in the report submitted by Newport Engineering consultants. We will address each in order. A. Proposal One: Adding Treating Coils to the Tower Disebarge & Modification by Marley Towers. This approach proposes to fit the tower cells with heating coils utilizing steam or heating hot water to beat up the cooling tower discharge, The idea is to vaporize the water vapor discharged from the tower to smaller invisible particles by adding heat the towers discharge. Cooling towers are ineantto reject heat to the atmosphere; injecting heat into their discharge is nothing short of air conditioning the outdoors for visual purposes. I , This modification will require new piping, installation of new heating coils on top of the towers, and pumping to nm water through those coifs. It will also require reprogramming the controls sequence and additional sensors for monitoring vapor density and signaling. Structurally, the current towers. cannot withstand the added coil weights. Anymodification to the tower's existing condition will require structural upgrades, Most Page $ .3.133 Cooling Tower Water Vapor Abatement 17 Sept 2007 importantly during modification, the plant will not be able to provide much needed essential services to the hospital. Marley Tower Modification- at the direction of Hoag Hospital Syska Engineers contacted the manufacturer of the existing cooling towers to determine if there was anything that could help in reducing the visible water vapor discharges from the cooling towers. While Marley (the cooling tower manufacturer) does have some off the shelf components, their primary supplier (Air Treatment Company) indicated in the letter (See Exhibit D) to Hoag Hospital that, "The one common outcome of all of these studies is that none of then¢ ever became, a project". The letter goes on to say, "These solutions require waremely expensive installations with and incredible amount of wasted energy in operation if they are installed". In discussion with Syska Hennessy Engineers along with Air Treatment Company, it was estimated that retrofitting the existing cooling towers would cost on the order of $2.4 million (about 75% of the cost of new towers installation), withno guaranty of 100%u:mitigation. All these costs do not take into account the down tithe and.hospital services interruption. 2. The estimated cost:of this modification is apparently $2;404,000, with a minimum 18 to 24 months of implementation schedule. 3. We do not recommend this approach due to operational disruptions, OSIDD process, high construction costs and excess energy:consumption. Additionally, even ifthe controls are established as independent of the existing controls, it will further complicate the control sequence of operations. B. Proposal Two: Adding Radiant Heat or Inject Hot Air into the Tower's Discharge This approach proposes to install radiant heaters above tower cells and inject beat into tower discharge by means of natural gas heaters. The idea; similar to the approach described in item A above, is to vaporize the water vapor discharged by the towers to smaller invisible particles through the heating process. Again, it is nothing short of air conditioning the outdoors for visual purposes 1. This modification will require installation of new structural elements to hold heating units above the towers. Additionally, it will require reprogramming of the controls sequence and the addition of sensors for monitoring and signaling. There are: no known functioning installations available for review or to investigate for this project. Theoretically, it may appear to be a sound approach, but after many years of field experience, we have )earned that theories have seldom, if { i ever, offered pragmatic solutions. 2. The estimated cost of this modification is unknown with a minimum 18 to 24 months of implementation schedule. Page 5 3.134 Cooling Tower Water Vapor Abatement 17 Sept 1007 3. We do not recommend that Hoag become a testing ground for this approach for the following reasons, a) utilizing energy to eliminate the product of excess beat would be an unnecessary use of resources; b) due to the mandatory additional structure required to hold the equipment independently above towm -s making it an ©S11PD project; c) high construction costs and excess energy consumption will be a result; and d) it will fiuther complicate the control sequence of operations. C. Proposal Three: Modifying Operational Parameters and Load Shifting Through In -House Modifications This proposal shown in more detail in Syska Hennessy Study (Exhibit B) describes multiple minor adjustments such as cooling tower supply and return:watertemperature adjustments, time of day operating adjustments, shifting parameters in response to outdoor temperature and humidity conditions, speeding.up the tower fans during predefined ambient temperatures settingsi: etc. this proposal would also involve readjusting the temperature of the cooling tower water supply by redirecting the load to hospital's upper campus plant. The statement by Newport Engineering about the availability of an additional cooling plant located in the upper campus and its connectivity to our subject (lower campus plant) is accurate. We agree that during the early morning hours when water vapor is most visible and the cooling demands are minimal, the upper campus plant.can produce the chilled water up to its capacity to satisfy the condition. however, the lower campus plant's engine generators run continuously using the same cooling towers for their j ticket cooling and will demand the towers to operate even when the chillers are not operating. Also the lower campus plant has both absorption (steam and hot water) chillers and centrifugal (electric) chillers. Each type demands a different condensing (tower) water temperature (absorbers require warmer condensing water and centrif igals operate at premium efficiencies with much cooler:condenser water) from the towers. Currently the plant runs at optimal setting that is satisfactory to both types. Any shift or fluctuation in the supply of condensing water temperature.will result in loss of system efficiency and will affect the overall cooling capacity. 1. A combination of operational modification mentioned above will provide the best results of the four proposals. This.proposal will require monitoring and evaluating the shifting of different parameters and settings, to ensure the least amount of negative affect on other related systems and components. I The estimated overall cost of these modifications is S185,000 and the expected completion date will be before 2008. { 3. We strongly recommend implementing these modifications. They will bring the most effective results for their associated costs. Additionally, Page 6 3.135 Cooling Tower Water Yapor Abatement 17 Swt 2007 these modifications will not require any governmental agency approvals, Which allow them being executed expeditiously. The most important Benefit from this approach is that none of the essential services to the hospital will be interrupted. D. proposal Four: Blend Incoming Warm Water with Cooler Tower Basin Water, Shown in Syska Hennessy document {Exhibit 4 This approach will mix the warm return water by adding cooler tower basin water to:the flow. Then the water is further cooled by the:tower and .dropped into the basin. The other approach is to mix the incoming warm water with the cooling tower basin water :.to pre-cool the water before introducing it to the tower for further cooling. i. The approach will requite the rearrangement of existing piping;. as well as installation of piping and pumping equipment:. Also, the controls sequence and additional sensors for monitoriag end signaling will need to be reprogrammed. 2. The estimated cost of this modification is $800,000 with a minimurn 14 mouth of implementation schedule. 3. We do not recommend pursuing Us approach. Modifications will require mandatory reviews and approvals by OSHPD, loss of tower service.during the execution resulting in hospital operations essential service disruption, and potential to bring about operational complication.after installation; rnakingthis an infeasible approach V. RECOMMENDATIONS It is our recommendation that Hoag Hospital should avoid anyproposed modifications: which will require. construction resulting in OSHPD involvement, and concentrate its - -efforts to seduce the water vapor generation to the extent possible through operational means which include adjuOn& cooling. water temperature set points and modifying the controls program sequence. Currently, Hoag Hospital has completed the installation of the plant's forth cooling tower,'and it is going thmugh it commissioning process. With the forth cooling tower coming on line, theloads will be further distributed and with operational adjustments, the amount of visible water vapor will be reduced. We strongly recommend that Hoag Hospital continues with operational adjustments and monitor the visibility of water vapor to further adjust and fine -tune the system in minimizing the visible water vapor. Abraham Oshana, PE t California Registration No.: M26230 Optimum System Solutions, Inc Page 7 —f 2 13.yJ 3.13 �(� Cooling Tower Water Vapor Abatement Exhibit A. 1.73ept 2007 Newport Engineering Consultants Report 3 .137 Report on Possible Avenues of Mitigation for Cooling Tower Condensed Water Plumes and Engine Exhaust Plumes - Hoag Co- Generation Facility August.13,2007 Thermal Mechanism of a Cooling Tower The purpose of a cooling tower is to ruix air and water, thus transferring the latent heat of vaporization of part of the water to the air with which it.is mixing. Keeping in mind the 1000 BTU latent heat of vaporization;,, one pound of water evaporated in the tower will cool 1000 pounds of water 1 degree F. Normally the "approach" in a tower is about 10 degrees, meaning the temperature of the leaving water will be. about l0 degrees below the wet bulb temperature of the: incoming air (for a discussion of key concepts and definitions related to this report, please see the supplemental section at the end of this report), Essentially, the transfer of:heat'from the incoming water by evaporation of a portion of the water requires no extemal,power except perhaps for a pump to, lift the water to the top of the tower. The difference in temperature between the top of the tower and the open bottom of the structure creates a drag, moving air up through the:tower. This passive method is used in very large .cooling towers, such as those installed in nuclear pourer plants that are not sited near a large source of natural cooling water. In smaller towers, fares are installed to maximize airflow. However, the addition of a fan is strictly to reduce the size of the installation, as opposed to any effect on the thermodynamic water /air heat interchange. Exiting the top of the cooling tower is a mixture of water vapor and air saturated to approximately 10 degrees below the measured wet bulb temperature.. If the temperature of the air into which the water vapor is mixing (an'aii jet mixing with still air will form about a 30 degree cone) is below the dew point, the heat-from the water vapor will be transferred to the air thus. condensing the water vapor back into liquid water. The super coaled water vapor stays mixed' with the air until it reaches a dust or salt particle on, which the molecules of water condense and collect until they are visible as fog particles' This creates the condensate plume visible to those in proximity to the tower: Given the undesirable aesthetic .effects associated with such plumes, a range of plume abatement technologies has been developed and deployed when cooling towers are located near residential or other scenically sensitive locations. For the Hoag cooling towers, the normal coastal onshore air flow, which is often cool, moist, and laden with salt, often amplifies the plume formation as compared to what might occur at a hotter, drier inland location. The installation configuration of the Hoag cooling towers just below the level of the lower campus bluff causes the exit plume to be essentially at ground level with respect to t. the adjacent dwellings and the View Park, thus increasing the visual impact on occupants and visitors as well as an elevated level of relative humidity. Whereas a normal 2343—(Q 3.138 installation, with both the cooling towers and the dwellings at ground level, would cause the plume discharge to be 20 to 40 feet above grade. In addition, a draft tube and a somewhat more energetic fan could be installed which would throw the plume even higher above the residents. Unfortunately the configuration of the tower, which is below the bluff on which the dwellings and park. are located,. precludes this approach. Cooling Tower Condensate Plume- Mitigation Methods The goat of the mitigation measures discussed:berein is to eliminate the visible condensate plume under the widest.possible range of atmospheric and operational conditions in the most efficient manner possible. A partial mitigation effort is unlikely to resolve the aesthetic issues associated with the plumes, and will likely cause the issue to continue simmering in the community. Absent:replacing the current coaling towers with a design specifically engineered for plume abatement,.retrofitting the towers and modifying operational.parametera is second best option. Several methods for addressing the plume have been.proposed by various parties, and are discussed briefly below. Please note that, given that the plant's location close to the ocean, which is highly conducive to plume formation, and given the range of operational conditions affecting the cooling towers, a composite solution, involving two or more mitigation techniques will likely be needed to achieve optimum results. Determining the ideal combination of techniques will require additional study of atmospheric and operational, factors as well as operational testing. The listof mitigation techniques discussed below is intended to address the methodologies already proposed by the firms retained by Hoag for this purpose.. It also includes aproposal offered by Marley Cooling: Towers, the manufacturer of the towers used by Hoag. Additional methods: may be feasible, and would require additional research to develop. Adding A Heating Coil to the Tower Discharge. The Marley Cooling Tower Division of SPX Cooling Technologies offers an option wherein the tower cells are fitted with a heating coil utilizing all or part of the incoming hot condenser water. Subsequently the condenser water is discharged into the basin of the tower cell and further cooled. The Marley technical staff has addressed the present undesirable plume generation and only needs the weather data existing at the site when the plume is present. The weather parameters are required as well as the condenser water temperatures in order to determine the heat exchanger coil's required thermal capacity. Apparently this approach to plume abatement is offered by Marley Cooling Tower as a catalog enhancement to the type of towers used at the Hoag facility. It is therefore somewhat surprising that this approach has not previously been suggested. In any case, given that this is an established technology developed by the manufacturer for plume abatement, this approach offers a number of advantages. Also, this method could easily be combined with load shifting to optimize abatement when atmospheric conditions are most conducive to plume ( formation. 7A-If7 3. 139 Adding Radiant Heat to the Discharge: A schematic proposal developed by Bock Engineering addresses the fact additional heat needs to be added to the water vapor /air mix to raise the level of heat in the water vapor/air mix above the dew point. This means there will be very little, if any, condensed liquid water in the plume to nucleate as visible droplets of water.. From a general thermodynamic and psychometric standpoint, this method is sound. Recording instrumentation will need to be deployed to fill .in the lack of local psychometric data enough to develop a prototype for one cell, or even �6 of a cell with abarrier to prevent mixing of the plumes during the evaluation period. The use of dew point instrumentation; as Bock proposed, is the preferred: method of control. This method could be combined with one or more of the other methods discussed herein. Modifying Operational Parameters - Load Shifting through In house Modifications: There is an additional cooling tower on the central plant loop located remotely from residents (on the Hoag upper campus) that is piped to accept water now being cooled by the co- generation plant cooling towers. Since the plume phenomena is at a maximum during periods of cool, moist air conditions, it maybe possible to shift part of the operational load to the upper campus during these periods, since the chiller loads are much reduced under these same conditions. To divert the water would.require some capacity controls on the pumps (probably variable frequency drives (VFDs) and controls for water temperature and flow rate). This approach would best be utilized in. combination with one or more of the other mitigation methods discussed herein: to maximize plume abatement under the conditions during which the plume is most evident (i.e. when the atmosphere it cool at or below the dewpoint and the relative humidity is also high). 5yska Hennessy Proposals; Several methods of water vapor:formation were discussed in the report prepared by Syska Hennessy. It is not fully understood from the report how the water vapor maybe controlled, since the amount of water vapor generated is in direct proportion to the heat that must be absorbed by the latent beat of vaporization of a portion of the water, thus creating the.water vapor. It is the condensation of this vapor, under certain atmospheric conditions, that is the problem. Some of the proposed scenarios. include adjusting the tower entering and or leaving water temperatures. Since one pound of water contains approximately :1.000 BTU latent heat and one pound of liquid water contains only one BTU per one- degree.delta T, the effect upon tower plume operation by revising water process flow temperatures, is unclear. Cogeneration Engine Exhaust Stacks - Mitigation Methods Exhaust stacks from the presently installed cogeneration plant engines discharge exhaust gas plumes that are unsightly, and which are clearly visible from the View Dark and residences that sit atop the bluff. The reported temperature of the exhaust is about 400 degrees, although from the appearance of the discharge, the temperature appears greater { than that reported. The temperature is maintained at 400 F or above because the water 3.140 formed as a result of burning fuel will condense at a lower temperature. This condensate is corrosive to steel. Two alternatives are.presented, One is to cool the exhaust in an Wine heat exchanger condensing the water. The second method is to introduce a counter current water spray. In both cases non- corroding materials will be required and the effluent will require a discharge to sanitary. If the pli is above themaste discharge permit, neutralization or dilution may be required. Either presented solution should allow for mitigation of the exhaust plumes with minimal operational effect and at.reasonable cost. An alternate solution.that might be implemented in isolation, or.in.combination with the methods proposed.above, would be to redireet:the current exhaust stacks so the effluent is not visible to those on the bluff above. Additional Scientific Background on Coaling Tower Plumes r.Partial history, of Beat Heat has always been with us, however until the I Century, the measurement of heat bad been lost:in.antiquity. At that time a person with the last name of Fahrenheit filled. a graduated glass tube with an open column of mercury containing a reservoir at the bottom. He then placed the bulb in ice and wares and the scale measured 32. Subjecting the bulb to boiling water gave a reading of 212 on the scale. This measurement of temperature worked well for the scientific communityuntil France.came up with the Centigrade system (since renamed as Celsius);making it easier to count on ones fingers. In the Celsius system 0 degrees is freezing and 100 degrees is boiling, making Celsius 5/9u' F Onus 32: Since we use the Fahrenheit system and the English system of weights and measures, one British Thermal Unit (BTLD equals the heat necessary to heat one pound of water one degree F. Since this is a relatively small unit, a NOW (1000 BTi J) is often used as a quantity of heat. Most materials have a freeze/melt point and a condense/vaporize temperature. Also in the equation is latent heat of fusion (freezing) and.latentheat of vaporization (boiling). For water, the latent heat of:fieezing is 44 BTU/LB, which means 44 BTU must be removed from the water per pound of ice. The latent heat of vaporization is about 1000 BTU/LB for water, which is fortunate because many industrial processes benefit from the fact that steam heat is far more efficient in transporting heat than is hot water. One element is required to transfer heat from one entity to another entity. There must be a difference in temperature.between the heater and the acceptor of the heat, usually known as a delta T or an "approach" (there is no such thing as cold — only a lack of heat). Additional concepts relevant to the discussion at hand are the "dry bulb" and "wet bulb" ( JIL temperatures. Tile dry bulb temperature is the temperature without including the effect of moisture in the air. The wet bulb temperature is called that because in the early times --2--� 3.(41 there existed a device known as a sling psychrometer, which was composed of two thermometers attached together with a chain. One of the thermometers had a wet cloth jacket and was spun around. Water would evaporate from the.moving thermometer thus lowering the temperature below the dry bulb. This then became a measurement of how much more water the air may absorb before it becomes saturated (I00 %a Relative Humidity) and is known as a wet bulb temperature. The last concept is the "dew point The dew point is the temperature of a surface on which water will condense, such as one sees with a glass of ice water. This temperature is also related to the wet bulb and is a measure of how much additional water the air can absorb. Measurement of the dew point was comidered.somewhat unwieldy; because it requires a refrigeration capability to induce the.formation of dew (Le. condensed watet), however; modern electronic instramentation has eliminated the need for refrigeration. , s/StephenPaliska M -12751 Expires 09/30/09 Newport Engineering Consultants 3.iy2 Cooling Tower Water VaparAbatement Exhibit B. 17 Sept 2007 Hoag Original Report (Syska Hennessy Engineers) vv-f� ,3.143 Reran Hoag Nlernorial Hot p to Presb Louver Carpus Cooling Towor :f Water Vapor At�atemebt Me cures. Fart/ Hoag tnternat Review :June 1 2007 , N r k t 4 Reran Consulting. + Engineering + Technology + Construction SYSK\ I lI.,\NI-"SSY GROUP Overview • Cooling Tower Water Vapor Formation • Water Vapor Abatement Measures — Modify Operational Sequences — Retrofit Existing. Condenser Water Piping System — Retrofit Existing Cooling Towers • Recommended Path Forward Measure Summary Ln EA ;r i � � F C6. :Water 1/ apor Format>ton Y . f # Z' s ji( t r y K. S;�A .. br4' i1. e.':l'.aF h <..f _. ... v.. v j .r... f .. 4 .'i ..:.✓ ..-. ..... .l .. � .. .. Q .... ''�� .. Lei Consulting + Engineering + Technology + Construction `i),SKX 111: aaaur Cooling Tower Water Vapor Formation • Prevalent during periods of cold and humid ambient air. • Cooling tower exhaust air warm and close to saturated conditions. • Moisture condenses when warm exhaust air mixes with cold saturated air (i.e.. Moisture cannot be absorber quick enough). • Visual water vapor is formed. • Quantity of condensing water vapor a function of: — Ambient conditions — Tower loading / heat rejection load -- Water temperatures — Fan speed w E 17 rN SYSKA I JENNNSSY GROUP Consulting 7F Engineering + Technotogy + Construction Cooling Tower Water Vapor Formation • When does the LC Cooling Tower form Water Vapor? • MARLEY Cooling Tower Analysis (Aug 2002)- Quantity of Cells in Operation- Fan Speed Outdoor Air DB Temp. Outdoor Air WB Temp. Outdoor Air % RH Approach Plume Visible 3 100% 45 °F 43 °F 86%RHI 25 °F YES 3 100% 62 °F 57 °F 74%RH 19OF NO 3 50% 77 °F 64 °F 50%RH 33OF NO 02W sy" ffnn ,O PM I 5 rig Consulting Engineering +,Technology + Construction GROUP Cooling Tower Water Vapor Formation Formation of water vapor is avoided when tower exhaust air is kept below saturation .cu rve 17 C4+D1117g Tt)wet' wa Ater ;vapor A fltleasures j � E y F t': { f P `1 C yj f } 3 Y { jn Y � I f W✓ L Y '1 t Y � %'. t ixY a i > s C t Y i 1 � E y F t': { � yj sK.\ III,, \-rS")' GROUP Consulting + Engineering + Tec I hnology + Construction Cooling Tower Water Vapor Abatement Strategies I Approaches • Modify Operational Sequences of LC Cogen / Chilled Water Plant • Retrofit Existing. Condenser Water Piping System • Retrofit Cooling Towers • Not recommended: Chemical absorption —remove: moisture: from exhaust air F1 �t i yi•.. M %�- i : !• _ - _ Dili. _ �t Y ►eratib i X Seg erices � � w N 4 ..,E i v r t ' � 7 we Consulting + Engineering + Technology + Construction s1 *slit 7 GROUP Modify Operational Sequences • Reduce Condenser Water Return Temperature — .Reset condenser water supply temperature to chillers downward from 85 °F to 7v -68 °F in advance of ambient conditions that will form water vapor. — Condenser water return temperature to towers will drop. — Stage LC chillers as follows to meet connected load: • Electric Chiller act as lead machine • HTHW absorber act as lag -1 machine (68 °F low limit) • Steam absorber act as lag -2 machine (75 °F low limit) — Incrementally reducing condenser water supply temp will drive tower fan speed up. — Increase fan speed w .�,,.ki0? 5Y%�_Hnnacai. Gnp. 4�c W 10 U% -C Consult I ing +: I Engineering + Technology + Construction SY'SK \ I I 1-NNI:k,"SY CROUP Operate More Cooling Tower Cells Than Required ' I — Cell No. 4 (CT14).scheduled to Come on line summer 07 — Spread heat rejection load among all towers — Distribute water to more tower cells than load requires — Each cell will reject incrementally less moisture — Increase fan speed !I GU YMYYP Consulting + Engineering + Technology + Construction Modify Operational Sequences. Shift heat rejection load from, LC to UC plant — Operate UC Chilled Water Plant in lead, LC Chilled Water Plant in lag manner (shift cooling tower heat rejection from LC to UC) — Load shift in advance of ambient conditions that will form a plume. — UC plant expansion scheduled to come on-line spring 2008. %n U-1 12 Consulting + Engineering + Technology + Construction SYSK \ I I•NNESSY aROUP Modify Operational- Sequences • Pros — Partially effective at reducing cooling tower water vapor formation — Moderate cost — Quick implementation • Cons Change in LC and UC plant operation Energy inefficient, O2007 Sy•+ HIWWAGY 4r x 13 4 y � F ... �_�d93.:ii' W1 Ln 09 Consulting + EngineeriOp + Technology + ConAruction Retrofit Existing Condenser Water Piping System • Blend cold water from tower basin to warm return water * Used in conjunction with .modified operational sequences 14" CDS BYPASS 0 T; J�l NEW CT-14 EXIST. CT-13 EAST. CT-12 EXIST. CT-1 I 15 w �tl Consulting + Engineering + Technology + Construction Si'SiCIIII =;A \1555' 6POVP Retrofit Existing Condenser Water Piping System • Pros — Partially effective at reducing formation of water vapor -- Can be implemented as Change Order to CT14 construction -- OSHPD permits in place — Quick implementation Cons. Moderate construction cost — Condenser water service curtailment / interruption during construction Energy inefficient Vn�OG25Ybdi.HWVmlbj Grep V.. 16 3 t � - i i k { Consulting + Engine&inq, + TeOnology + Construction on Retrofit Existing Cooling Towers owers With Water Va , por Abatement Oystern • Remove fan decks • Buttress / reinforce tower structures • Add steam heating coils • Add cooling tower steam distribution and condensate return systems • Replace fan decks • Replace fans/motors • Replace VFD's and power feeders 18 MConsulting + Engineering + Technology + Construction SYSK\ I If-AM-SS) Retrofit Exi,' sting, Cooling Towers with Water Vapor Abatement System Pros — Effective at reducing formation of water vapor — Steam available from LC plant — Alternate Cogen Waste heat use • Cons — High construction cost — Lengthy phased construction schedu l.e — Condenser water service curtailment / interruptions during construction — Increases tower height — OSHPD approval required — Fans up3ized or bypass dampers required Energy inefficient N. 10 I ; z to Recono Path Fo and mended x{ I: z s. ? k 4 r i 1 4 t I d :w Y Consulting + Engineering + Technology + Construction SN*,.,'K\ I IIANIFSSY GRYYP Kw .� r R STEP 1: Modify cooling tower operational sequences — Develop control sequences — Reprogram control algorithms — Implement operational schemes — Test and commission • STEP 2: Retrofit existing condenser water system • STEP 3: Retrofit existing cooling tower cells St 6 1� r -.1'. : ` - 0 =2 Sy� �$YAIWV; 21 sure. urnmary I V" rr U k of I V" rr I V" U k of Consulting + Engini?ering + Technology.+ Construction SI'SKA.1 11'sm"SSI, Cooling Tower Water Vapor .Abatement !Measure Summary Path Measure Relative Schedule (months) measure Forward Cost Availability Design OSHPD Construction Review STEP I Modify Operational $$ 1 N/A 6 Winter 07 Sequences STEP 2 Retrofit Existing $$$ 2 IB to existing 6-112 Spring 08 Condenser Water permit – 3 Piping System months—, STEP 3 Retrofit Cooling $$$$$ 6 4-6 92 Fall 09 Towers 0 Ma syID.. Mtra v G@ p k' 23 Cooling Tower Water Vapor Abatement Exhibit C. I I 1• 17,Sept 2007 (c7 OF o n .10 OF o n Cooling Tower Water Vapor Abatement 17 Sept 2007 Exhibit 1). Letter from Air Treatment Company 3.14 w , AIR TREATMENT CORPORATION SCOTT MCCARTHY 957 LAWSON STREET CITY OF INDUSTRY, CA 91748 PHONE: (909) 869 -7975 CELL (714) 473 -6007 FA)c (626) 96s -3541 EMAIL.: 5Mr.CARTI-HY@Alfl0,XATMENT. COM HTrP: / /WW W.AIRTREATMENT.COM April 12,2007 Langston Trigg Jr. Vice President, Facili iea Design -& Construction H OAG Memorial Hospital 361 Hospital Road, Suite 229 Newport Beach.,, CA 92663 Dear Mr. Trigg: Subject:. Cooling Tower Plume Abatement Air Treatment has been the manufacturer's representative for Baltimore Aircoll for 6 years now. In that time we have worked on hundreds of studies for plume abatement for various customers. The one common outcome of all of these studies is that none of them ever became a project. Major factors in these outcomes include anornio s initial coats, ongoing energy. inefficiency and their associated costs and the fact That there are no. soiutions.that guarantee 100% mitigation. There are two main.ways to accomplish plume abatement on a coolitV tower. You can Install massive hot water heating colts and fans or direct fred natural gas heaters. With either design you are aTempting to artificially generate enormous amounts of.heat to eliminate the plume. tf is very similar to the efteox the sun has burning o8 the morning fog. These solutions require extremely expensive installations with and incredible amount of wasted energy In operation If they are installed. Ak Tiestnrentis prepared to welt with HOfhG to study tfhe problem and design the optimal solution if thet is what you would like to do. This later is intended as a general outline of the challenges we will face working on this project. Please let me know if there is anything further I can do to assist you on this situation? Thank you. Sincerely, sc iriv mccW -ay Scott W. McCarthy Sales Representative 3.170 Cooling Tower Water Vapor Abatement Exhibit E. Existing System Description 17 Sept 2007 3. � 71 N a 1 � C J N 1• 1 J s � `i S 11 3 ey $ s! k v � E� a[ P AS 1,- a C IV'9 Unit k[nT.p a;; . 1 saxx, ra d Riar n -1. y �Kryp \'44d CEO .4a4 ' j: VCfYi d£ta11'F: �taRt 3YL tl ��.0 ®.tea- rii .Sa r4.w+�SS• s• r d {a r..Feggq�ftVy.�f�ma tvybY �yl P ,y�f��jjj��lyyylJ[t^i/S$t S')I:/pM1•tin f •IpgfY:1cYl. (p 1 q�py •may! yg[p Vy (lwy ;C;V[[rbS !� �� -�O�° 19LQIX.�C�UR'.➢. iG .R...H1{W��[., VVFIP trm -i �LiylH Fia{I Y L r rMMr�y�'yl�[pQ�.4NfitFwyl�t9}tC��fp�j �FU�Y.i•'i`..hi�'[ ti[.f�:ptlf.L[I/�./.�% p.H� ao<M�VUCK! LI yC.I r. SYTN/ � t a4! I�32v �i �4+YNty mrnai +ttm Lw�ln^lx:s es Y.w :f- i.- c•[e�b:x. as[ ess. s w.s +i r� r.Re cWbs'£s'a• aw wax, :+r� -t`aal rosE+szit+a. n.m+sY s.us:w�+�Y e+al(I r::+N[. !AwatP R.NCw a4 .:[fa'Ut1 + VS .i' Ctn4`. Wl NRVa+: .IIa.CAUtlG ' ei Cause[ wOAG MMRM FFPa9YI&FtAN' MUSMIAL ,.bae[fae LOWER 't411FP$ CC-lVwRAIfCVi FLAN^ I II..0 u yp' eCPW t9 4 S n.w1F.7 City of Newport Beach Hoag Memorial Hospital Presbyterian Project No. 00A3YZ Plume Mitigation Measure Review Appendix G FLUOR. DATE I9Mar08 Rev 0 Technical Response to Cooling Tower Water Vapor Abatement (Appendix F) G- Appendices City of Newport Beach_RevO 3_I! 9-08.doe �� 3.173 'PAD By LJ4Tr5fYt!tll Ga JMt+4 i N. ZON1 !I I of -dxe r�.Fwa�d f Technical Response to "Cooling Tower Water Vapor Abatement" prepared by Optimum Systems Solutions, _Inc on Behalf of 11bagliospital and dated September 17 "i, 2007 This document was composed in response to the report entitled "Cooling Tower Water Vapor Abatement" preparett by Opfinium Systems Solutions, Inc on, behalf of Hbag Hospital and matte available oa Septemb,.,r 17`", 2007. "Cooling Tower Water Vapor Abateirtent" is "supposed to:review acid discuss methods for abating visible plumes of water condensate from the cogeneration plant cooling toners located at the western most edge of the Hoag lower cartpbs. *'1 The methods considered by Optimum Systems Solutions (OSS) in its report were developed in three prei iuus studies commissioned by Hoag to study this problem. These three preceding studies were conducted by Bock Engineering, Syska Hennessey, and Newport Eigineermg,Consultants. This report is intended to provide aresponse and counts -point to the analysis provided by OSS. In particular, it will seek correct several deficiencies in areas offact -and logic flow in the report by OSS,, - This report wil l also address methods of mitigating two,additional emissions problems related to the I-loag cogencration plant, both of which were ignored in the OSS report: These, are: 1) .Emission plumes from the cogeneration exhaust stacks on the roof of the plant, and 2) Steam venting from values on the roof of the cogeneration plant. In order to facilitate matching the responses in this report to the material in the OSS report, the material below is organized under the same headings and in did stone order as used in the OSS report: Cooling Tnwer System First, it should be noted that the operation of the cogeneration plant is very beneficial to Hoag, and not "imperative as suggested by OSS. This is well illustrated by the fact that Hoag has functioned for over 5101 years without the plant. And, in fact, most hospitals do not rely on an onsite cogeneraion'facilily to provide electricity. Power for normal operations typically comes from the grid, while emergency back up power is provided by back up generators. Therefore, while it is certainly desirable that Hoag have its own power plant, especially given its growth plans, it is not imperative as other sources of power are readily available, and have been used to supply the hospital since its founding. TEL ft "(949) 955 -5850 0 FAX # 769 3.17q Further, the report from OSS states that during the design and approval process that Hoag conducted multiple . meetings with neighbors and the cmmnuniiy to "clarify the scope of the project " This statement paints an inaccurate picture of how Hoag communicated with the commiLmity, the City, and the Coastal Commission about the plant. Below, is a 'timeline for the primary emnmunications. by Hoag,rclated to the cogeneration plant;. On, November 14'1'7 2003 several Hoag representatives made a pmsen iition to the Board of1)irectors of Villa Balboa. At this meeting; llOag gave an,ovcrview of the platit,,and indicated that'"steam" would be visible from the facility "intorniittentlyt' A review, of the aniantes of that meeting shows that Hoag attended for the purpose of makitig an announccrnent ofplans that were already in place, - rather than seeking, feedback from the community. Further, in three subsequent communications, one in writing, residents were informed that e"sther, there would be no visible emissions from'the plant, or that- steaht would be visible, but only during a limited period while the plant was undergoing testing .prior to begifiningtiom6il operation. Cho Kist of these subsequenteomnuinications was th meeting eeting held by F Hoag bn August 2b`h 2003 in the ( ancer Center auditorium on the lower campus: Again, this meeting did not solicit feedback on the dasigti of the plant, but rnther consisted:of an announcement -by 1-Fodg that.they,would be breaking ground =on the plant the'nexc day. i-Ioag also provided a review -'of the plant's constriction timeline. During a question and answer session at the end of the meetiirt.;, RrLr. Sam Stamesoia, a resident of Villa Balboa, asked if there would he any kind of visible emissions from tllc plant. `i"he answer was there -would not be any visible emissions from the plant. The second meeting on August -22, 2005 was held by I3oag to discuss their ongoing development plans For the I-long lower campus. At this tinge, the platrt had been constructed and was in a pre..- operational test phase. During; the question and answer phtnse ofthis meeting, Moe Quirk, a resident of Villa Balboa, tasked Langston Trigg if" die emissions seen recently from the plant were going fo be a permanctitfeature of its operation. Mr. I rigg indicated that the emissions visible from the plant: were part Of tile testing phase, but wrould nol.continue after the plant began regular operations, further, Mr. Trigg's reassurance was also made in a follow up letter to all balla,Balboa residents dated August 30, 2001-4'' Tile letter contains the following text, ,'its you may know, Hoag Hospital is currently in the process aj'hulldirag a power plant on our lower campus to provide the entire hospital with a more direct and cost efficient electrical source. The Co- Ceneraticnfacilify istocated along Pacific Coast .Highway at the west end of the hospital's campus, near Superior Boulevard. The testing of this equipment began afew months ago, and will, continue into the hull. During the testing process; you may hear equipmenl noise and notice steam coming-from the facility. The sounds are the result of external engines 'being used.during gelling which will be removed one(,, in -deer anon and the steam a byproduct of the testing, both will be eliminated once the Co -t eneraliom plant is in fill operation, 3,:175. Over the tbiee year period from 20.031 to 2005, the residents of Villa Balboa were reassured that phones would be eliminated after testing by Hoag's verbal and written statements on the subject of emissions; and came >to believe that the emissions from the plant were a temporary problem. Lastly, the report by OSS notes that the plant was approved by "special governmental. agencies: ` Howevcr a review of applications submitted by Hoag to the City of Newport Beach and the Coastal Commission shows no evidence thatTloag disclosed to the government agencies in question any of the plumes emitted by the plant. When queried about this recently by residents; Hoag replied "everyone knows that power plant emit phtmcs!, T o date, Hoag has failed to produce any documentation deiiionstrating that it made the disclosure's tiecassary' fcr these agencies to properly- evaluate .the environmental impacts of the plant. For the reasons cited above „the assertion`made by`OSS that the operational leaturcs and impact of the plant were "clariliied''before the plant began operations is'tneorteck. In 1. fact, Hoag communications nn;crucral issues surrounding the plant were misleading. Had there been proper disclosure and clear'communicat on, as well as the opportunity for public review and cormnent, the plant certainly would have Been designed in such a way as to minimize or eliminate the most important negative impacts on the community. OS.11IP) Process OSHPD'is an acronym for the "Office of Statewide Health Planning and Development,' which IS the tarn of "the California State Government responsible for reviewing the design of hospitals and'relatW suppoit facilities. The O$S report states that; "Any physical . modificatiior to the cogeneration plant will b'e subject to OSI -11 >D review. Modifications to existing systcnis Will require revising the, systems to different requirements enacted' alter the date that the, Cogeneration plant was approved by governmental agencies. In most cases, bringing an existing system up to current codes result (sic) in significant . adciitinnal cost that;offcrs very little in return." This statementis concerning for seventh reasons. First, the role of OSHPD is to ensure that hospital rat lr"ties are designed to high °standards of safety. Any additional review of the plant by OS }1YD triggcrd by a partial retrofit would simple be to ensure that the plant meets recent safety standards. Given its close proximity to the Sunset View Park, to several housing developments, as well to the nearby Hoag childcare center, and eiven Hoag's statements that fire plant will play key role in its future growth, a review of the plant's safety.featu es would provide an additional opportunity to ensure the plant is safe :and reliable. Second, according to OSHPD representatives, a partial retrofit of the plant would most likely nigger a review only of the sections of the plant affected by the modification. This' is evaluated on a case by case basis and depends on the nature and scope of the work. We suggest that the Citv;aud Hoag contact OSHP'D to request a definitive review of protocols related to modifications of the kind beine contemplated for the cogeneration plant. Ultimately however, even if a more =extensive OSI4PD review would be triggered, this does not render implementation of mitigation measures infeasible; which is the applicable standard under.GEQA. Rather, itis simply part of the normal process that is, required of all healthcare facilities in California undergoing, mudification, and would help ensure that the plant complies with up to date sitfety standards. Proposal t7ne:' Adding Heating Coils to the "tower Discharge c& Modification by Marley Towers_ In this - portion of its report:OS.S discusses using beating elemcnts sitttated abovei the coolingtawers to reduce orcliminafe';Ihe.plwnes by rulucing the forntatiait.i of condensate. oSS, dismisses this approach,, staring that "Cooling towers are mcam to reject heat,to the atmosphere; rnlectirig lieat into their discharge is'notlung short of air conditioning the outdoors for visual purposes." This is &rather unscientific remark wilich does nothing to elucidate ivIiethcrthe underlying approaoh'is likely to be off hive. In fact, thus approach to pluine abatement was established several decades ago; and'is the basis for 'widely iniplemenwd technology used,,in tho,coolntg towers of literally hundreds of power and cogeneration plants arouud'. world. Adding additional heat to Cite effluent relea, sed by the cooling towe'-silnply lessens the amount of moisture which condenses thereby reducing the visible plume. Marley Cooling'rowers, the company which built the cooling towers for the Hoag cogeneration.plant offers "plume ab4t,omenC'cguipmentwhich operates on the principles discussed above, as an offthe- shelf option for its customers. 'the reliability and efficacy of this equipment is well established; and it is in wide use in plants located in environmentally or aesthetically sensitive.locntions. Interestingly, such equipment was included by, Hoag in the original bid speeifications for the plant. *3 The inclusion was mostly Likely as the result of h ecomhnendations of the plant's designers, recognizing tiie sensitive'location of the facility in aresidential areaand on a scenic highway, and in light of the potential aesthetic impact of the cooling tower plumes. Unfortunately, after Hoag e ey p from the final design of the plant, It is receiving bitls, Hoa later removed the ui nient our understanding that this was done to save money, despite the fact that the equipment wasmaly a small fraction of the'cost the plant and that the plant was on or under budget. After OSS incorrectly dismisses the technology suggested by Marley Cooling Towers, the company which built the towers used by Hoag, it then cites certain difficulties associated with attempting to install the technology in the cogeneration plant at this time. It cites the need for significant structural workaround the cooling towers and equipment installation costing approximately $2.4 million dollars. It also notes that this would require 18 to 24 months; and could cause substantial downtime for the plant. Finally,, it notes that the operation, of Plume abatement equipment involves some loss of operational efficiency. 3,I-7 White the need for additional structural work and the cost estimate may or may not be accurate, the overall argument made hero is deficient for several reasons. First; compared to the cost of the plant (over S23 million dollars), and to the long•teml cost benefits and cost saving the plant will provide to Hong, as well as to Hoag's massive financial resources, the.cost of the retrofit is relatively modest. &° Secondly, itmay be possible to nduce'downpntc -by retrofitting one cooling tower cell at a time (there ate four, total cells). Lasdy, during the.retrofit process, system loads could be temporarily shifted to the cooling towcmwhich exist On the upper campus to lessen the impact on operations. 'The- feasibility of temporary load shifting is confrnned by the fact that OSS actually suggests this technique as_nethod °for achieving plume abatement. With respect to electricity, the hospital wouldconiinue to have power from the electrical grid, and if necessary'from its regular, back up, generators. 'Xith respect to the impact on operational efficiency of the plant.plume abatement equipment typically does have some�ongoing impact. However, this impact, which varies by project, is generally moest, and'is sinnply part ofbuilding a modern cogeneration plant in an erivir nmentaUy sensitive -area. T}iis is clearly demonstrated by the.fact that hundreds of lame and small cooling tiower arrays in the United Slates and around the world ate fitted' with this equipment, often as a condition:of approval by local and'state regulatory agencies. J.astlyt It should also be pointed out that the reason Hoag;is now facing the need to retrofit was its -own poor planning, and its desire to. shave a few percentage points 6ff the cost ofconstructing of the plant As noted earlier, the original specipcations for the plant included pluirrc0atemenf`eq4ipmcnt, which wt uld have addressed this problem at fraction of d* cost o€ a retrofit. Proposal Two. Adding Radiant Fleat or LnjectHot Air into theToever's Discharge As noted by OSS, this is Simply a variution of the theme discussed above of adding beat to the discharge from the cooling toti$er. tin prevent the condensation of water into visible clouds, ln'this''case, instead of using, equipment designed by the coblingtowcr compan} for this purpose„ ttte heat could be created using natural gas powered heitlers. This apptoach was suggested by both Bock .Engineering and by Newport )rnginecring Consultants as being scientifically sound and worthy of consideration. Contrary to the statement made ,'by ()SS that "`theories seldom, if ever, offer pragmatic soluti'ons'" all workable solutions are based on sound theory. OSS again cites the need for an 0SHPD review as one of the reasons that this approach should not be attempted, although that argument is flimsy as was :discussed previously. OSS also notes that this approach would require "utilizing energy," which presumably refers to the need for source of natural gas to power the heating elements.. Since Hoag is currently receiving a substantial amount of natural gas from the City of Newport Brach at below itrarket pr•imy, it is logical to assume that this gas might be used for the heaters without producing any additional significant cast. 'z4_' FT 'J 3.172Y 5 Nm,port Engineering Consultants believes that natural gas powered beaters are unlikely to produce sufficient plume, abatement on theirovin, but might be effective as part of combined solution using other methods discussed herein. One disadvantage to this approach as opposed to using plume abatement equipment designed by the cooling tower marmfacturer is that it may afliet the ten year warrartty on the current towers. Proposal Thec n l�iodifyiag Operational Parameters aTid.Loa l Shifting Through 1n- house Modifications In this scotion ofthe report} OSS diseugses the possibility of redtaultig the plume front the cogeneration plant by shifting the cooing tower load to a separate set of cooling towers located un {be upper campus. This approach reifies on the fact that, during the early morning and evening, when the coolinglower plumes are most prominent, the need for air coriditioning in the hospital and other.builiing's is relatively. low. Therefore, it is argued; the.operational load could be shifted from the•lower'catnpus cooling tntivers to the towerson the upper campus Newport Engineering believes that this concept could help reduce the plume problem on the lower cainpus, However, there are several critically important Limitations. First, at best, this approach will be difficult to implement consistently, and is likely to reduce.the plume on only: air intzrmittent,and ineonsistent'basis. Sccitad, this approaub relies on there. being operational "slack" in the overall s}•stem serving the upper and lower. campuses. In the near -term, the amount of slack available is likely to vary significantly from day today, even when atmospheric conditions are favorable, 'Over the intermediate to long-term, however, an even greater problem is that the amcunt of slack available is certat i to decline as'Hoag.continues to grow. providing power and air conditioning for this growth is, after all, Hoa`g's primary stated purpose for building the cogeneration plant. Newpprt Engineering Consultants is of the opinion that load shilling could, be coupled with one of ttte other possible mcth ds as part ;of a combined approach. Flo wever, by- itself, load shifting is highly unlikely to produce the consistent plume abatement necessary to address:the needs of the community. Further, as Hoag continues to build out its upperand lower campuses, the operational slack necessary for the viability of this approach will prevent load, shifting from serving as a long -term solution. Proposal Four: Blend Incoming Warm Water with Cooling Tower Basin Water, Shown in Syska Hennessy Document (Exhibit R). This speculative approach, suggested by 5yska Hennessy in its report, involves attempting to cool the heated water entering.thc cooling tower to lessen the amount of water vapor released, thereby reducing plume. Both Newport Engineering Consultants and OSS agree -that this approach is not based on sound thermodynamic principles and is therefore unlikely to offer a workable solution. 3.f7g Key Issues Not Addressed by the OSS Resort The OSS report completely faits to make any mention or Iwo critical impacts of the cogeneration, plant beyond the cooling tower plumes: i} Exhaust stack plumes 2} Steal', venting. These issues were raised with 14bag by local residents well over a year ago. f°ioweyer, to date Hoag has not indicated a willingness to discuss (best., problems or investigate possible solutions. lxhau'stStteck.f Iumes As noted earlier, the cogeneration plant vents exhaust gases from the plants engines via - the st�reks on tile, roof of the plant: U,nfanuuately, the plant Was built so that the roof of the rain facility, is nearly "flush with the tap of the bluff behind the Plant. This creates a situation in which exhaust.pliunes from these stacks occur only 45 feet front file Sunset V ieW Park, and only about 220 feet from nearby residences. The plumes, which consist of co nbustion products, typically tower ten to -ficen feet above the plant; They are extremely unsightly and onlyadd to ;the industrial appearance of the plant. *' Further, 'depending on prevailing winds; the-engine exhaust is sometimes blown into the park and . nearby residences. In its nitial report Newport Engineering Comsgltants suggested several ways: that I Ioag coultl=mitigatectbese exliaustplumes; The suggested approaches, whioh atereprinted below, are technically straightfonvard, and could be implemented at relatively low cost. "Exhaust stacks 'from tile presently.ii1stalied' cogeneration plant engines discharge exhaust gas plumes that.are unsightly, and which are clearly visible.fonn the Sunset View Park and residences that sit atop the bluff. The reported temperature of the exhaust is about 400 F dcgrees, although from the appearance.of the dischargc, the temperature appears greater`than that reported. The temperature is maintained at 400 F or above because the water formed as a result of butning`fuel will condense at lower temperatures, Tbis condensate is corrosive to steel. Two alternatives are presented. One is to cool the exhaust in an inline heat exchanger condensing the water. The second method is to introduce a counter current water spray. In both cases; non- corroding materials will be required and the effluent will require a discharge to sanitary. If the PH I is above the waster discharge permit, neutral izatian of dilution may be required. Either presented. solution should allow for mitigation of the exhaust plumes with minimal operational eFfect and at reasonable cast. An alternate solution that might be implemented in isolation; or in combination with the methods proposed above, would be to redirect the,current exhaust stacks so the effluent is not visible to thosc,on the bluff above." 3. I f d s Steam Venting As noted earlier, Hoag promised on three occasions,, including one in writing, that there would. be no visible emissions from the plant. unfortunately, in addition to the cooling tower plume and the exhaust stack plumes, steam venting from the plant is almost a doily oceurrertce. Plumes of steam vary from relatively small clouds of one or two cubic meters, to massive:dlouds which rise 1.0 to 15 meters above the plant and are up to 30 meters, ill length. *6' Fortunately, abatement of most of thesmaller plmnes visible on Most days is relatively inexpensive and technically straightforward. Possible solutions to this problem include, 1.) Moving the steam vents from the roof of the plant to another location where they wltll not ba'ti tsible (such as near, the cooling towers). 2.), reedirig the "steam into the boiler -water inflow Y) Using a „l}eat'source to evaporate the plulrt (this is the same principle as that used foi abatement of cooling,tower plturies) Other straightforward solutions mayulso be possible and should be studied by Hoag.., Gonclusian The cogeneration plant in its current form materially degrades the quality of life; of visitors to tha'Sunset G'iely-Park, of nearby, residences, and of the City as a whole: The design and -planning process forth . e plant were deeply flawed, and communication about the plant witli the community and with governmehtal agencies was incomplete or misleading. Ali of the impacts caused, by'visibleetnissions discussed in this report were predietable, and also was completely avoidable with modern design practices Wr- -plants located in environmentally sensitive locations. Fortunately, the plant can still be retrofitted to effectively address each impact. While: Hoag cites a range of teclutieal issues; time delays, and cost as reasons it wit] not fix, the plant, these reasons do not stand up under close, examination. A full retrofit of the plait is technically feasible, which is the standard applied to mitigation m ;asures under CEQA. T1tc cost and' operational inconvenience to Float; aij, moderate in comparison vyith the hospital's vast linancial and operational resources, and with the long -term cost savings and other benefits that will accrue to Hoag from the plaint Stephen Paliska P.E. Principal Engineer Newport Engineering Consultants Calif ornia License M -12751 Expires 09130/09 3� Appendix Reference 1 Cooling t I Corridor) to Appendix Reference 2 na'JN'4 qA" AngkIS! M. 2W-S ikwr 1416A.1"Impital Wlglftr die wed ptt 6 Pus, num, Tne'lewting d'"I quip ucto began a I t I mv mnndm W. and %vji anmintininto the FaIL 4 h�-'nplirwwlt 116illO MW notice skan coming :from. Dming,the tasting procem, You )my ' tbdlilg, 'fan;- aou+5ds ncc thu r Idt of%lemni calgiam bam#uwl during Tesiling which will le re'nuw4a tmc* in and the ,=h is a by- pwdwjof the tcxtiag, befit vviii be alinlimioldn"WOM CO-Generuion 010111 is in fill) Operation. AwLIWASPW Of the "inO ""hod in a jonli cowed Wita; hmd i" the-vicinifY Of Inc C"Onuntum Plant 00 ThurwAy, Aut"Rt 12156 a1.6:45 Can: �m the :result -of ,,Inc of the gpietutbr c4ines bad<ft6ilg, Slant iln Oqu jinnam Incorpmoted,into tht 3YAMU fwwdqiwd Process, ' the automatic. Ito,nackfirms properly.. . The ,Co-GdtMtiQwplant -is scheduled to So into fall 01IM44111 j ua Prio' to the o0an"* of andbill GtmLi Wvmcn'S�Tiavilitm on Octo ' bar Y', Ilow'!%vi it may bl: = Inn: at tnici-NpN,crnb-r bdilri: it is 1`111Y I'dildtiOWL It'voo havO any farther questions repi(HAS Olt co-Otacration plud'pimsc W Free to annoult DiVid I(amtdapy at 9 491764-446), Think Yms for your sOPPOTt os we preinto to meet thc'expandin6 ficahlicate needs of our ctunn"MitY. I)CS1011 cad Cown—tion -3-193 Appendix Reference 3 180.2.20. HOAG MEMORIAL HOSPITAL PRESBYTERIAN COO15 N ERATIOPj -PLANT PRE - PURCHASE OF EQUIPMENT ADVERTISEMENT FOR BIDS Notice is ;hereby given that Iho FD9,C,-.of Hoag Hospital, will wcehre lump sum sealed . bids for the 11 FF.mripment Pre= Purchabo ter dte Cose'ner3Uon Plant Project, on 3:06 pm Wodryaos , November 14„ 2b6I at the follownt; location:: - - Jim Easley: -- - - NoagfO &C' - One HOOBprive, BOX 6900 _ Newport Beam, CA 92658 -6160. _ 'F.hre co*e of it* bids .:shall be delivered or mailed postege prOpaltl.: AJI bid$ Shall be endesed •N a sealed - - - - ,anvelwq bearing the Project name, the name of trw hidder; end clearly marked "Bid Prvirosal." Bids reveivad'arter the 16ne stated for Mdsmill not be accepted; Proapeclive,Wdem msy smO ee, a set of bud documents from Taylor B- Associates; Architects.. A mailing Phattie of trvotrlydlve dollars ($25.00) will. be required far oach set maied. DESCRIPTION OF WORK: Fumish'threa (9) cooptig:lovets- Furn ish Nro (2) Id h pressure steam absarptlpn ch1>ers,.�Of (1) tlot. ,wafer absorption chiller, and rate (1) slectrE cordrifugat ch"W. Furnish 31%.x(6) Ond 50cllon pumps, fd ldergn (14) boriionlat . split case pumps aid three (3) vertical tut Ine Pumps.. _ Furnsh One (1).600 HP steam boler with bumer,.. - Furnish - -ono (1) ceaerator. Furnish ta'o (2) Short andtube heat exchangers end ten (10) plate and,Game hoot e**PP90ra far Rte Hoag Cogenearabon Plant project. E The tower manufacturer shall provide a systern integrated into the cooling tower for plume abatement based on a design condition of 45T DB, 430FWB and 85% RK The cooling shall be capable of operating as a wet cooling tower during times when plume abatement is not necessary, and thus not wasting fan motor horsepower or condenser -pump horsepower. The plume abatement, system shall automatically start when a "pluming" state occurs. The cooling towers can operate at full load throughout the 3.r�y 12 HOAG MEMORIAL HOSPITAL PRESBYTERIAN LOWER CAMPUS COGEN PLANT day and night and thus4he plume abatement system must be able to Work whenever required. F. The tower manufacturer shall 'state the sound pressure level (dba) at a distance of I meter phd,provide an•add alternate for a low sound level (i,a:-quiet,fan package, atojstafing the achievable sound pressure level. Nak: The above is an abbreviated version .of the full bid document. The entire document is reproduced in Appopdix:in,.Referenee 7. 13 Appendix Reference Roag .frequently has, cited a cost of $2 million to $3 million dollars as all obstacle to mitigating the impact of the plant on the community. Howe�er, Hoag is one of the most financially successful hospitals I in California. A review of Hoag's Form 990 for 2004and 20,05, which were the.iuo.st recent years for which filings were available, indicates that the hospital generates substantial atet-inqpme each year. For instance, net income in 2005 was W) miffion,,alnd in 2004,was over $10.0 million. Net cash and liquid investulent assets were $1.03 billion-as of August, 2Q.05, M. increase of $23 S million over the galam o Sheet: Fkmol YWIr 00W 6Jld I ilg 1iW)00 Al' �OOS Accounts Receivable $42,775,764 $47,534,634 $4,758'1,870 PIedges,E Grants -pte, Ole Receivable OtW $4,155,692 $3,910,163 ($245,529) lnventorles 'Jorta'1166f Use $2;224,161 $2,205;4,32 Investment/Securities $700,513,142 $909,941,410 $209,428,268 invej nt/pitier 4�i5,341,p94 $17�;oj5i,566 $f613,55'6 � Fixed Assets $304,204,954 1329,362,073 $25,177J09 other $j,%946,699 $213,237,634 $54 296,935 SO, -V -Acdo6'nts, P ayable $711'090,954 $90j014,193 $r2jSQ3,239 Giants Payable $0 $0 $0 Dqteir6d �kevehue $0 to Loans and Notes $342,678 $278,340 ($64,338) Tax-Exempt tlpfid�,Liab . i Imes _$316';000,000 $516,000,dod:: $'1001001606 Other $40,536,701 $30,546,151 (59,990,550) Ip 14 Appendix Reference 5 One of three currently operational - exhaust stacks on the roof of the cogeneration plant. Note that the heat plume above the stack is caused byte release of combustion products Prom the plant's engines. Exhaust plumes typically tower ten to fifteen feet above the plant. 16 Appendix Reference. 7 See following pages for full Hoag cogeneration plant bid documents 18a2D HOAG MEMORIAL HOSPITAL PRESSYT15RIAN 00GENMATION PLANT PRE,PURCHASE OF 9QUIPMENT NoWe is hweby:gWm #W U* FV&C of Hoag HospitaL wl recelve lump sum 99ded bMs for ft ftlpment PreRurchase for the Cowreration PW Project, on 300 pm Wednesday, Movwrbw 14 2001, at ft followIng location: U--= 'Eigralga= Prospoc" bidders may secure a set of Wd documents rrom Taylor & Associates Architects, A ma ,g dwp of twenty-five4ollers ($2&00) YAI:be required for bsolr sat matiock EME32�� Pumlo three (3) cWkq towers. Furnish two (2) high pressure steam absorption dwiers, one (1) tiot water absorption, chqw, and one (1) electric centrifugal chiller. Furnish six (6) end suction purnpa. foururerl (14) horizontal split case pumps, and uww (3) Vertical turbine pumps- Fvrinsh one (1) SO HP storm toiler v4h buffiwr,. Furnish one (1) deaeraW. Furnish t0ci (2) shell and We heat exchangers and ton (10) plate and from heat exdwwm W ft Hoag Cowearation Plant Project. The Eld will consist of ft folooving elemaW. I Lump sum quotations as specified in U* Bid Proposal Formt a. One form tot the booNN krvvers b. One form for the rNilers. 01 One form for the pumps. d. one form tor ft.boper, a, One form for the deserator. f. One form for the heat exchangers, 9. One form for the warranty and maintenance. INVITATIONTO BID 1 3. P? 10 HOAG MEMORIAL HOSPRAL PRESBYTERIAN COGENERATION PLANT # PRE-PURCHASE: OF EQUIPMENT forth In'ft Bid Form. .i. ♦: f e ♦ ;fa' a: r. e: f !ate IM.20 INWAT ION TO BII) 2 cl LOWER • 10124101 (PRE - PURCHASE) COOLING TOWERS compliance Confirmation PART 2 PRODUCT 2,01 COOLING TOWERS A, Furnish and Install all material, equipment and appurtenances required for a. complete mecharvical draught hybrid cooling tower with induced draught fans; which shall be job site assembled. Note that the pooling towers wilt sit in a well that is approximately 28' in height and the dearanee on three sides of the cooling tower square ((4) towers grouped in a square , (3) cooling towers purchased now and (1) future) have only an 8' clearance (see drawings for clarification). B. include the fibergiass:(FRP) structure, erected in a concrele. basin (to be furnished by others); flu, fill support lintets, drift eliminators, fan assemblies, sped reducers, fan drives, water distribution system, plume abatement, and all other materials and parts required to make this coaling tower complete. C. The dimensions of this tower must be as those shown on the contract drawtngs. This.tower must fit into the new concrete basin. D. The tower manufacturer shah lake these space limitations into conskierabon'for the various designs required, including water coding capacity and performance, fan air handling and motor brake horsepower er requirements. The maximum width dimensions of the tower shall not exceed 22' x 2Z. Note that there are 2 air Wets per call situated on adjacent sides. E. The tower manufacturer shall provide a system integrated into the cooling tower for plume abatement based on a design condition of 45 °F DB, 43°FM and 851/6 RH. The cooling shall be capable of operating as a wet coding tower during times when plume abatement is not necessary, and thus not wasting fan motor horsepower or condenser pump horsepower. The pi ume abatement system shall automatically start when a "pluming° state occurs. The cooling towers can operate at full load throughout the COOLING TOWERS 15714 -1 �� 2 ! ! day and night and thus the plume abatement system met be cote to work whenever requ F. The tower manufacturer shall state the sound pn3ssure level (dba) at a distance of t meter and provide an add alternate for a low sound level (i.e. quiet fen package, etc.) stating the achievable sound pressure level. G. Ali internal components shall be of a non-corrosive material or an approved material (coated) with a ten (10) year guarantee; H. upon completion, the Tower Manufacturer shall issue a limited warranty that will apply to the various components as follows: 1. The coaling tower structure shall be guaranteed against unserviceability, for the FRp composite structural members; culurrms, beams, sides panels and roof decks, and Its structural connections for a period of ten (10), years from Installation., 2. The remaining Cooling Tower components (furnished by CoolhV Tower Manufacturer) are guaranteed to be free of defects in material and workmanship fors period of twelve (12) months after beneficial use by the owner. 3. The Cooling Tower Manufacturer's Warranty is limited to replacing all items F.6,.13. Slipping Point or repairing FAB. Repair Facility, items not covered are the following: 4. Warranties are predkated on installation, mainten6no Ia, and operation to accordance with Cooif V Tower Maruifacttiuees published Operating and Maintenance Manual. 1. Training for the equipment shall be provided by the manufacturer for the client's service technicians- The training shall be videotaped for viewing by °off" shift personnel. The training time and place shall be coordinated with the client. J. For extended warranty and maintenance see Section 15000 Warranty and Maintenance. COE71, NG TOWERS 15710+2 3.fR3 s EPR K. Acceptable Manufacturers: Ceramic Cooling Tower Corporation; Malley, and Texas Cooling Tower. 2.02 STRUCTURE A- The field erected FRP composb cooling tower structure shall meet Uniform Building Codes applicable i ft section ofthemuntry installed. which it. is S. Maximum Water Absorption (24 hour Immersion) per ASTM D -570 shall be in accordance with C71 SM137 (88). C. Maximum Wind Loading: Per Uniform Building Codes for the tower locale. D. The owing tower casino, fan shroud, fan deck, beams, columns, I supports And partition walls shall be constructed of 'corrosion resistant, fire resistaK self-extinguishing, glass, reinforced e Yr ray r t i Grade B or i' and endwall casings shall be conugated. fire retardant, UV statilized fibeTqlass reinforced polyester panelsinstalled with t he corrugations horizontal. Panels shall be inswied beginning frorn the fan deck down to the top of the air inlet with 11 each low I er I panel overlapping the one above it by one shed k tower, joints ° at columns G .tact and caulked full height to Drevant leaks. The panels shall be attached with stainless steel rivats or screws with p"Saambied neop re no washers. The comers she# be trimmed with pre4drmod comer roll to match the corrugated panels And to prevent, leakage. PaMork wells between - is corrugated, fire retardant fiberglass rr `i polyester panels that extend from the bottom of the fan deck to one foot Wow the top of the.curb; These partition n; shall isolate to t each fan and insure that In Me event of a planned shutdown or a mechanical failure of a fan, that there will be no k'jss of performance,clue to fan-toolan, ris. circulation in the adjacent operating cell. A longitudinal windwall consisting of corrugated, Ire retardant fiberglass r w "f polyester panels shall be located at the center of ft tower and extend from the bottom of the fill to the top of the curb. This windwall shall be designed to help prevent blowout caused by cmas winds in this air inleL COOLING.TOWERS 15710.3 qq • t 3' i LOWER • E. The cooling lower FRP structure, walks, roof dark, support beams and columns will be fabricated from composite continuous: fiberglass pultruded sections. The exterior wall sections will be double wall construction and will weigh not less than 36 ouriees per square foot. 'rowers of stick frame design with single wall casing will not be allowed. The fiberglass framework shall consist of columns (hollow square tubes). The fan deck joints and joints supports shag be U- channels with forged intermediate beams as required by the design. AD other horizontal transverse and longitudinal girths, ties and supports stroll be, U- channels. The fan deck shall consist of inter4ocking pol ruded fiberglass panels with a nonskid walking surface for safes+. Each from" bent is braced in the transverse end longitudinal directions wlth angles, which transfar wind and seismic loads to the basin. These diagonals are positively anchored to the cold water basin with heavy -.duty fabricated steel weldments and straps. F. The fan stack shall be hand-fabricated fiberglass constructlonaviih the same quality resin and glass as above and shall have'a minimum weight of 32 ounces per square foot. G. All of the: exterior and Interior surfaces of the fiberglass structural members and components will be protected from Ultraviolet (UV) rays as well as water migration by .gel coat or polyester suftoing vails molded internally into the composite part. The thickness of this protective gel coat or resin veil shaft be 17 -22 mils. Can putt tided members the UV item protectors and color pigments shall be hamulated in the resin matrix: ♦' Y 1 Yi ♦ -flu .. t i C I }.Y ♦• :M k ti • ♦ •c: ♦ C4tE i� e P i- ss P ,i - u • • k• "P trt f i r i6 C 3.195 i laboratory to prove the material structural Strength characteristics and the design safety Wtors Of the structural members used in the gaoling tower. Upon request the Cooling Targer Manufacturer shall furnish a 9- dimensional structural analysis of the struchapj design, 1. Seiarnic Zone: Per Gallfomis State Building Code; f 992 Edition, Zone 4, Critical Care Facility, and California. O.S.RRD. requirements. 2.03 LINTELS A: Ail fill steak be bottom supported. B Fill supports shall be capable Of supporting sll loads expected when the tower is Operating. C, Lintels shall be of pultruded films glass. 2.04 FAN ASSEMBLY A. Pan blades: slaw speed, aerodynamically doOligned, ptgpeltW ti" with adjustable blades to provide efficient use of power and assure quiet operation. l+Aaximum Up speed shall not exceed 11,000 FPM. The fan unit shalt be statically balanced and provided with a "vibration- cut -ofr switch. B, The fan blades shall be fabrk ated from a fiberglass rehsforced resin system. G. Attach multi -blade propeller type fan blade to the motor: shaft ttmwgh a speed reducer. D. The complete fan assembly {fan and mOurrilnM shall be designed to give maximum fan efOct ncy and long life when handing saturated air at high velocities. 2,05 GEAR DRIVE A, The gearboxes shall be two -stage beveled spur gears, which shall be specially designed for use in wet cooling towers. The drive shaft shall be of the full floating, composite material type with flexible couplings on both ends and be of a non rmsive exterior material. COOLINGTOMRS 1 15710-5 �q fo HOAG MEMORIAL HOSPITAL PRESBYTERIAN LOWER CAMPUS COGEN PLANT 8. The speed reducer gears shall be rated in accordance with practices of the American Gear Manufacturers Association, using a factor of 2.0 minimum for cooling towerservices. 0, Speed reducer shall be in accordance with CTISTD-1 11 D. The gear reducers shall be of the spiral bevel type. S. The control glass for the lubrication oil MY41 and the. service pipes shall b4 h-WWW outside the fan . slack (outside the towerl. to allow, for ease of observation. The oil fit cap shall be aocatsolblowithout the use of ladders: The vent lines shEill'tetminats quitside-the tower stnxftjra. An oil pressure or of Am control switchahall be provided. F. Theoil lines shall be made of a non-corrosive material (,!,;a. stainless steel). G A vibration prolection switch shall be installed to provide protection from axoessive vitnations. An Oil level sensortswitch shall be Installed to protect the gearbox from low of levels, 2.06 FAN MOTOR A. The motor(s) shall be corrosive duty, Premium Efficiency., with a Sery , ice Factor of 1. 15, Class F insulation. NEMA and she I H:be of the TEFL Type. The motor horsepower shall be of the next larger standard motor than that calculated as being required for the individual fan brake horsepower and : shall 'be 3-phase, 60 Haft 460 Voris, continuous, duty type with normal starting torque. The motor(s): shall be as shown in schedule With singlispeod, and shall match the Variable frequency drive. & The motors shall be, single speed, single winding, C. Motors shall be located out of the wet air stream. D. Complete electrical service of the motors and tower Instrurn6nitatlon, including hook-up, appurtenances and accessories shown on the Contract Dra*ng$ shall be furnished by others. 2.017 PVC FILL COOLING TOWERS IST10-6 LOWER CAMPUS COGEN PLANT A. The cooling N shall cons of compact filrn-packs, which raw on beams. The PVC fill material shall be the cross corrugated, PVC film type, pe, wave formed sheets with fluted edges, of rdant, polyvinyl chloride with a minimal thickness of 10 mils after forming and 12mm, minimum flute openings 13: PVC material: Fire resistant and meet the provisions ofA15TM I Standard E-84, with a flarne, spread rate of 25, The PVC shall be setf-exti I nguishinj and shall not be capable of bumIng by itself., The PVC shall :onlye , tKirn N Ignition flames from outside keep burning: - if the he ignition fiame it removed; the fire must extinguish Itself within seconds, C. Turbulent.flowshalt be forced by the pat" on troth the water and the air side. , The packs shall be arranged one on top:of the other and crosswise. This shall result In an increase in cooling efficiency. m The PVC -gleew shall be solvent bonded Into strong ho",ix"a block assemblies approximately V high by V wide and in lengths easily installed Into the tower. I Ise E The PVC fill packsliatl be, bottom supported by, �FRP support I nIS 2.08 SYSTEM DISTRIBUTION A. The distribution "am for each cell shail, consist of a, majn, header with external flange connection, side laterals, fittings and nozzles. Under no.drournstanoes shall any galvanized steel or carbon s" components be used. Further, no penetration of the fill media is acceptable. B. AN a ut I ion system piping shall be either PVC.or4itberglass. depending on ske. C; The fittings mid nozzles shall be FRP. PVC or ASS. D. The de4ribution pjpjN including nozzles, pipe and filtings. shall be supplied by the Cooling Tower Manufactulrer. 2.09 MIST ELIMINATORS A. The drift elinilhatDm shall consist of corrugated elements, which are kePt at a cartain, distance by plastic spacer elements. They shah 09= HOAG MEMORIAL HOSPITAL PRESBYTERIAN LOWER CAMPUS GOGEN PLANT be arranged on top of the water distribution system. The arrar I igament of the drift eliminator shall be chosen in sucha way that the air t'M M droplets shall be detected The droplets deposit at the deflection where they can accumulate to form droplets and fall bac�, The drift eliminators shall cor&rrn to ASTM D-1784, Type 1 , Grade 1, with a flame spread . ! ! of or per ASTM E-84. B. The drift elhnihators ana assembled into sections making as" stable unit and shall include anhiblion; to prevent damage from tiltraViolet Light. C. The free-water carryover shall not exceed .0050k of the total water flow at design operating arnditbns. Drift eliminators •- bottom suire :♦ by for by distribution pipes r allowed. 2,10 FLAME ABATEMENT A. Individual heat exchangers shall bs arranged in the openings of the casings of the dry section: The in tubes shag be In the horizontal position and thus the rinsshall be less susceptible to external fouling. The finned heat exchanger tubes shall be welded or expanded between two tube sheets. The heat excharigerwshall, be designed with screwed header boxes so that internal awning Qf the tubes can be carried out manually. The babe material shed be 318 stainless steel with galvanized inns. The tube sheet material shall be 316 stainless steel: The header material shall be carbon steel With corrosion protection. "i.r corros r e c -4 .r s by 460VMGHz electric drives shall be 'provided ♦ aJow to ilow through the beat exchangers to mix:wfth the 'war air to abate the plume� 2.11 HARDWARE AND FINISH A. AN fiberglass structure connections and attachments shall utilize 316 series stainless steel fasteners and all external joihts:shall be sealed with a'continuous type sealant at the time of erection. B. Exterior: C 3metically appealing surface that is durable, long lasting and eliminates the need for other finishing. COOLING TOWERS 15T1t!»8 �`i'Q 9 14 i ♦. t♦C4 t r is It ♦ p° ♦ ♦ I - ♦ • i Im 1:-Im 1e. 1• ♦ t - D. Provide air inlet louvers of a PVC cellular type to.prevent objects from entering the water basin and to impede splash out. s w A. Cooling tower Manufacturer to provide detailed drawings of concrete basin anchor bolt locations. Anchor bolts will be supplied by others and will Include two fender washers and two nuts per bolt. All bolts, nuts and washers to be of 316 series stainless steel of size Indicated on drawing. 2,13 ACCESS AND SAFETY - An access hatch (manhole) mall be provided on each tower ceN fw access to the eliminators, plenum section, and rmchanical equipment: A means to walk in the area below the access }catch must be provided to efiminate walking on top of the 11111 hate el: A ladder shall lead dowry to the walkways and .a ladder at the walkway's end shall lewd hi the support of the fan gear unit. B. Access to the tower fan deck shall be by one fiberglass stairway as shown on the drawings, furnished, designed and installed by, the Cooling Tower Manufaoturerr to meet all codes (Le. OSHA, OSHPD) and structural requirements. Aluminurn stairWays and raged ladders will not be permitted. The tower fan deck shall be surrcwnded by hand- ra11ings. The trough shall tm coveted with gratings and secured by hand- rafrngs. 2.14 Provide pricing for the following optional spare parts: Fan Gearbox Coupling Shaft Motor 2.15 SAND FILTER A. Furnish Sand Filters as shown on the drawings, schedules, and specified for the purpose of filtering to remove suspended adids, COOLING TOWERS lull q fir'+ I -ZOO both organic and inorganic, from coopng tower water on a recirculating basis, The system shaft be fully assembled and mounted on a structural steel skid, including intsrcnnneding piping, flush vah+es, ftttktgs, pump and automratic backwash controls, The system shag be epoxy powder electrastaticalty applied Yardney Blue with catalyzed two pert polyurethane industrial finish. B. Filter tanks shall be carbon steel construction with a verticSl sideshell of 24" and shall be Scotchkote 134 fusion epoxy fined and meet the following requirements: I . After sandblaeling to bare white metal, ail interior surfaces shag be spoxy'lined with a minimum thickness of 8 mils.. Immediately after coaling, the tanks shall be cured at 400°F for a minimum of 20 rnmutes. 2. The epoxy protective lining shell be fused thermosetti+g epoxy power electrostatically applied, 2M Type 134 fusion bonded epoxy. c. The filter systems shall include automatic air actuated values to provide the proper bacicarash. The valves shall be constructed of stainless steel and shall be suitable for air actuation. AD stainless steel valves shall befitted with external grease fittings for easy service lubrication. Hydraulic (water) operation shall be optional. The system shalt incorporate the use of Scotchkote 134 fusion epoxy tined steel pipe for assembly. o. The filter media shalt be provided by Yardney and be a sharp: crushed silica sand and have characteristics of durability and long life, The f fter vwssels shall Include s Yardney proprietary Type 316 $tailless steel underdrain for durability and optimum non4urbulent backwash. — E. The system shall include a heavy-duty industrial pump and motor sized for the system's— flaw and pressure requ'pernents. Standard pump motor voltage — 2201440 3 phase. A bKkpressure- susfalnfng valve shall be supplied to maintain system back pressure for optimum backwash efficiency. Pumps shall be TEFC motors. F. The filter system will include a Yardney Ulta 116.1 solid state automatic controller. This controller will provide laborsaving, unattended automaticbackflush on a tune, selected interval. In addition, there shall be included a field adjustable automatic COOLING TOWERS 1571040 S pressure dMerential (P.D.) override safety circuit. Through the use of the Yardney Ultra 1184 Controller the ftlters are assured of Ming cleaned on a lime - scheduled basis;, however, should the source water quality vary and pressure cfi?farentlal develop to a preset limit prior to the scheduled backwash time; the P.D, circuit wind activate a backwash cyder A backwash cycle counter ehall be integral to the controller. Controller shay be 440 VAC powered. A NEMA 311 Motor Starter Package shall be Included with the system. G. The filter shall be designed so as to acoomplisr the backwash function without the need for an outside water source. A backwash throttle valve is provided for regulation of the backwash flow rate. H. A complete manual of Installation and operation instructions shall be provided with each filter systern, I . Training for the equipment shalt be provided.by the manufacturer for the client's service fechniciarrs. The training shah be videotaped for viewing by "tuff shift personnel. The training 6ma and place shall be coordinated with the client. J. For extended warranty and maintenance see Section 15000 Warranty and Maintenance. END OF SECTION COOLING TOWERS 15710 --1.1 3 "202.