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HomeMy WebLinkAbout3.02 - Westcliff Drive Medical Office - Water Qulaity Management PlanWater Quality Management Plan (WQM P) Project Name: Westcliff Medical Westcliff Drive & Newport Beach Avenue Lot 56 of Map Book 112, Pages 17 -25 Planning Area 35 - Newport Beach Spectrum, Zone 5.4, General Industrial Prepared for: Richard Dick & Associates 2043 Westclilff Drive, Suite 210 Newport Beach, CA 92660 (949) 642 -6515 Prepared by: Blue Peak Engineering, Inc. 18543 Yorba Linda Blvd., #235 Yorba Linda, CA 92886 (714) 749 -3077 Engineer Robert DePrat Registration No. 60482 18543 Yorba Linda Blvd., #235 Yorba Linda, CA 92886 (714) 749 -3077 Prepared on: July 17, 2013 Water Quality Management Plan (WQMP) Westcliff Medical 11 Project Owner's Certification 11 Permit/ Application No. TBD Grading Permit No. Lot 1,2 &3of Tract /Parcel Map No. Tract No. 4225 Building Permit No. CUP, SUP, and /or APN (Specify Lot Numbers if Portions of Tract) :E W-3-11 117-631 01, 02 & 14 This Water Quality Management Plan (WQMP) has been prepared for Westcliff Medical by Blue Peak Engineering, Inc.. The WQMP is intended to comply with the requirements of the local NPDES Stormwater Program requiring the preparation of the plan. The undersigned, while it owns the subject property, is responsible for the implementation of the provisions of this plan and will ensure that this plan is amended as appropriate to reflect up -to -date conditions on the site consistent with the current Orange County Drainage Area Management Plan (DAMP) and the intent of the non -point source NPDES Permit for Waste Discharge Requirements for the County of Orange, Orange County Flood Control District and the incorporated Cities of Orange County within the Santa Ana Region. Once the undersigned transfers its interest in the property, its successors -in- interest shall bear the aforementioned responsibility to implement and amend the WQMP. An appropriate number of approved and signed copies of this document shall be available on the subject site in perpetuity. Owner: Title Company Address Email Telephone # Signature Date Westcliff Medical Owner's Certification Water Quality Management Plan (WQMP) Westcliff Medical Contents Page No. Section I Discretionary Permit(s) and Water Quality Conditions ...... ............................... 3 SectionII Project Description ........................................................... ............................... 4 SectionIII Site Description ............................................................... ............................... 8 Section IV Best Management Practices (BMPs) .............................. ............................... 11 Section V Inspection/ Maintenance Responsibility for BMPs ........... ............................... 26 SectionVI Site Plan and Drainage Plan ........................................... ............................... 28 Section VII Educational Materials ................................................... ............................... 29 Attachments BMP Exhibit Precise Grading Plan Worksheet 3: Summary of Harvested Water Demand and Feaibility Ocean Begins at Your Front Door Proper Maintenance Practices for Your Business Orange County Infiltration Study Operations & Maintenance Plan Notice of Transfer of Responsibility Owner Self Certification Statement Owner's Certification Water Quality Management Plan (WQMP) Westcliff Medical - 6 Whatney Section I Discretionary Permit(s) and Water Quality Conditions Provide discretionary permit and water quality information. Refer to Section 2.1 in the Technical Guidance Document (TGD) available from the Orange County Stormwater Program (ocwatersheds.com). Project Infomation Permit/ Application No. TB Lot1,2 &3of D Tract /Parcel Map No. Tract No. 4225 Additional Information/ Comments: Water Quality Conditions Water Quality Conditions (list verbatim) 113D Watershed -Based Plan Conditions Provide applicable conditions from watershed - based plans including N/A WIHMPs and TMDLS. Section I Page 3 Water Quality Management Plan (WQMP) Westcliff Medical Section II Project Description II.1 Project Description Provide a detailed project description including: • Project areas; • Land uses; • Land cover; • Design elements; • A general description not broken down by drainage management areas (DMAs). Include attributes relevant to determining applicable source controls. Refer to Section 2.2 in the TGD for information that must be included in the project description. Description of Proposed Project All significant redevelopment projects, where significant redevelopment is defined as the addition or replacement of 5,000 square feet or more of impervious surface on an already developed site. Redevelopment does not include routine maintenance activities that are conducted to maintain original 2 line and grade, hydraulic capacity, original purpose of the facility, or emergency '- redevelopment activity required to protect public health and safety. Development Category (Verbatim from WQMP): = If the redevelopment results in the addition or replacement of less than 50 2 percent of the impervious area on -site, and the existing development was not subject to WQMP requirements, the numeric sizing criteria discussed below only applies to the addition or replacement area, and not to the entire developed site. If the addition or replacement accounts for 50 percent or more of the impervious area, the Project WQMP requirements applies to the entire development. -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Project Area (ftz): 147,446 Number of Dwelling Units: N/ A e SIC Code: 8010 ----------------------------------------------- -------------------------------------------------------------------------------------------------------------------------- The subject property is currently developed, as a medical office and retail center. The existing building at the northwest corner of the site will remain and the remaining buildings on the site will be demolished and replaced with brand Narrative Project new medical office buildings. There will be no outside storage. The only waste Description: _ anticipated to be generated is trash from the users of the facility. The paving on site will consist of an AC paved parking lot and PCC concrete sidewalks. No additional paving will be added to the site. In fact, landscaped Section III Page 4 Water Quality Management Plan (WQMP) Westcliff Medical area is being added and the paving decreased. The site is privately owned and all long -term stormwater maintenance will be the responsibility of the owner. No infrastructure will transfer to any public agencies. There will be no food preparation or standard delivery /loading docks. No materials will be stored outdoors. No equipment or vehicle maintenance and repair will be allowed on site. Pervious Impervious '---------------------------- ------------------------------' ----------- - - ---_ ------- -- -- --- -- --........ Project Area = Area = Area Percentage = = Percentage (acres or sq ft) (acres or sq ft) ---------------------------------------------------------------------------------------------------------= --- --- --- -- ------------------- -= ----- -- --- --- ------ Pre- Project Conditions 12,500 sq. ft. 8% 134,946 sq. ft. = 92% - - - - - -- - ----- -------------- - - - - -- -- ------ --- ----- -- --- -- ------- ------------- ---------- --- -- --------------- - Post- Project Conditions 21,081 sq. ft, r4% = 126,365 sq. ft. _ 86% -------------------------------------------------------------------------------=-------------------------------------------------------------=------------------------ The existing drainage pattern sheet flows drainage across the site via longitudinal gutters to parkway drains that empty onto Westcliff Drive where it enters a catch basin and into City storm drain system. The Drainage _ proposed site will maintain the existing drainage pattern. Bio- swales and Patterns/ Connections Filterra Units will be utilized to treat the stormwater prior to existing the site. After treatment, the stormwater will enter the back of the existing catch basin on Westcliff Drive and into the City storm drain system. Section III Page 5 Water Quality Management Plan (WQMP) Westcliff Medical II.2 Potential Stormwater Pollutants Determine and list expected stormwater pollutants based on land uses and site activities. Refer to Section 2.2.2 and Table 2.1 in the TGD for guidance. Pollutants of Concern Circle One: E= Expected to Pollutant be of concern Additional Information and Comments N =Not Expected to be of concern Suspended - Solid/ Sediment E Nutrients i E Heavy Metals N Pathogens (Bacteria/ Virus) I N Pesticides I E Oil and Grease E Toxic Organic Compounds E Trash and Debris E Section III Page 6 Water Quality Management Plan (WQMP) Westcliff Medical II.3 Hydrologic Conditions of Concern Determine if streams located downstream from the project area are determined to be potentially susceptible to hydromodification impacts. /1 ❑ Yes - Describe applicable hydrologic conditions of concern below. The drainage pattern will not change and percent impervious area is being reduced. Therefore, there are no changes to the existing offsite flows and volumes. Section III Page 7 Water Quality Management Plan (WQMP) Westcliff Medical IIA Post Development Drainage Characteristics Describe post development drainage characteristics. Refer to Section 2.2.4 in the TGD. The proposed site will maintain the existing drainage pattern. Bio- swales and Filterra Units will be utilized to treat the stormwater prior to existing the site. After treatment, the stormwater will enter the back of the existing catch basin on Westcliff Drive and into the City storm drain system. II.5 Property Ownership/ Management Describe property ownership/ management. Refer to Section 2.2.5 in the TGD. The site is privately owned and all long -term stormwater maintenance will be the responsibility of the owner. No infrastructure will transfer to any public agencies. Section III Page 8 Water Quality Management Plan (WQMP) Westcliff Medical Section III Site Description III.1 Physical Setting Fill out table with relevant information. Refer to Section 2.3.1 in the TGD. Planning Area/ Community Name Location /Address 2043 Westcliff Drive Newport Beach, CA 92660 Project Area Description The subject property is currently developed, as a medical office and retail center. The existing building at the northwest corner of the site will remain and the remaining buildings on the site will be demolished and replaced with brand new medical office buildings. Land Use Zoning RSC - Retail / Service Commercial Acreage 3.38 acres Predominant Soil Type Clay Section III Page 9 Water Quality Management Plan (WQMP) Westcliff Medical H1.2 Site Characteristics Fill out table with relevant information and include information regarding BMP sizing, suitability, and feasibility, as applicable. Refer to Section 2.3.2 in the TGD. Precipitation Zone 0.80 in. Topography The site is relatively flat (approximately 1% cross - slope) The proposed site will maintain the existing drainage pattern. Bio- Drainage swales and Filterra Units will be utilized to treat the stormwater prior Patterns /Connections to existing the site. After treatment, the stormwater will enter the back of the existing catch basin on Westcliff Drive and into the City storm drain system. Soil Type, Geology, and Clay, limiting infiltration Infiltration Properties Site Characteristics (continued) Hydrogeologic (Groundwater) Conditions Geotechnical Conditions (relevant to infiltration) Off -Site Drainage Utility and Infrastructure Information Historical groundwater is greater than 30' below existing grade Clay soils will limit infiltration feasibility None As this is an existing site, all utilities are available to the subject building. Section III Page 10 Water Quality Management Plan (WQMP) Westcliff Medical III.3 Watershed Description Fill out table with relevant information and include information regarding BMP sizing, suitability, and feasibility, as applicable. Refer to Section 2.3.3 in the TGD. Receiving Waters Upper Newport Bay Chlordane and toxaphene, DDT, Nutrients, Sediment and Siltation, 303(d) Listed Impairments copper and other metals, fecal coliform, pathogens, PCBs, sediment toxicity and selenium Applicable TMDLs Upper Newport Bay: Nutrients, Pathogens, Pesticides, Sedimentation/Siltation Pollutants of Concern for Nutrients, pesticides, organic compounds, sediments, trash and debris, the Project oxygen demanding substances, and oil & grease. Environmentally Sensitive I Per Change County Technical Guidance Document, there are no and Special Biological j environmentally sensitive areas because the nearest receiving water Significant Areas body is outside a 200 foot radius from the project site. Section III Page 11 Water Quality Management Plan (WQMP) Westcliff Medical Section IV Best Management Practices (BMPs) IV. 1 Project Performance Criteria Describe project performance criteria. Several steps must be followed in order to determine what performance criteria will apply to a project. These steps include: • If the project has an approved WIHMP or equivalent, then any watershed specific criteria must be used and the project can evaluate participation in the approved regional or sub - regional opportunities. The local Permittee planning or NPDES staff should be consulted regarding the existence of an approved WIHMP or equivalent. • Determine applicable hydromodification control performance criteria. Refer to Section 7.11- 2.4.2.2 of the Model WQMP. • Determine applicable LID performance criteria. Refer to Section 7.11 -2.4.3 of the Model WQMP. • Determine applicable treatment control BMP performance criteria. Refer to Section TH -3.2.2 of the Model WQMP. • Calculate the LID design storm capture volume for the project. Refer to Section 711 -2.4.3 of the Model WQMP. Is there an approved WIHHIvIP or equivalent for the project area that includes more stringent LID feasibility criteria or if there are opportunities identified for implementing LID on regional or sub - regional basis? YES ❑ NO If yes, describe WIHMP feasibility criteria or regional /sub - regional LID opportunities. Section IV Page 12 Water Quality Management Plan (WQMP) Westcliff Medical Project Performance Criteria (continued) If HCOC exists, list applicable hydromodification control This project does not propose to add any impervious area and, therefore, does not performance produce any additional runoff flows or volumes. criteria (Section 7.II- 2.4.2.2 in MWQMP) List applicable LID performance Priority Projects must infiltrate, harvest and use, evapotranspire, or criteria (Section biotreat/biofilter, the 85th percentile, 24 -hour storm event (Design Capture Volume). As shown on the Infiltration Study Map included in the Appendix, 7.II -2.4.3 from infiltration is not feasible in this location. MWQMP) List applicable treatment control BMP performance N/A criteria (Section 7.II -3.2.2 from MWQMP) Calculate LID design storm See Section IV.z for DCV calculations capture volume for Project. Section IV Page 13 Water Quality Management Plan (WQMP) Westcliff Medical IV.2. SITE DESIGN AND DRAINAGE PLAN Describe site design and drainage plan including • A narrative of site design practices utilized or rationale for not using practices; • A narrative of how site is designed to allow BMPs to be incorporated to the MEP • A table of DMA characteristics and list of LID BMPs proposed in each DMA. • Reference to the WQMP plot plan. • Calculation of Design Capture Volume (DCV) for each drainage area. • A listing of GIS coordinates for LID and Treatment Control BMPs (unless not required by local jurisdiction). Refer to Section 2.4.2 in the TGD. The proposed development will collect roof runoff from the proposed parking structure and the two proposed buildings north of the parking structure into bio- retention areas located in the landscape planters between the parking structure and adjacent buildings. After being processed through the bio- retention areas, the drainage will be collected into drain inlets and into the City storm drain system. The drainage from the remaining buildings and the parking areas will be collected into the curb & gutter located throughout the site and treated by three separate Filterra units located throughout the project. Once through the Filterra units, the drainage will flow into the City storm drain system. A layout of the proposed BMPs can be seen in the Appendix on the BMP Exhibit. The Design Capture Volume is as follows: Step is Determine the drawdown time associated with the selected basin geometry DD = (dp / KDESIGN) x rz in /ft Where: DD = time to completely drain pending depth, hours dp = bioretention ponding depth, ft (should be less than or equal to 1.5 ft) = 0.5 ft. KDESIGN = design media infiltration rate, in /hr (assume 2.5 inches per hour unless otherwise proposed) DD = 0.5 ft / 2.5 in /hr X 12 in /ft = 2.4 hours If drawdown is less than 3 hours, the drawdown time should be rounded to 3 hours Area #r Enter design capture storm depth from Figure IIIa, d (inches) d= 0.65 inches Enter calculated drawdown time of the proposed BMP based on equation provided in applicable BMP Section IV Page 14 Water Quality Management Plan (WQMP) Westcliff Medical Fact Sheet, T (hours) T= 3 hours Using Figure III.z, determine the "fraction of design capture storm depth" at which the BMP drawdown time (T) line achieves 8o% capture efficiency, Xi, X1= 0.27 Calculate the resultant design capture storm depth (inches), dfraction =fraction x d dfraction = 0.17 inches Calculate the DCV Enter Project area tributary to BMP (s), A (acres) A = o.66 acres Enter Project Imperviousness, imp (unitless), imp = o.89 Calculate runoff coefficient, C= (o.75 x imp) + o.i5, C= o.81 Calculate runoff volume, Vdesign= (C x drfraction x A x 4356o x (1/12)), Vdesign = 362 cu -ft Required Area = DCV / ponding depth = 362 / 0.5 = 724 sq. ft. Area provided = 777 sq. ft. Area #z Enter design capture storm depth from Figure I11a, d (inches) d= o.65 inches Enter calculated drawdown time of the proposed BMP based on equation provided in applicable BMP Fact Sheet, T (hours) T= 3 hours Using Figure III.z, determine the "fraction of design capture storm depth" at which the BMP drawdown time (T) line achieves 8o% capture efficiency, Xi, X1= 0.27 Calculate the resultant design capture storm depth (inches), dfraction =fraction x d dfraction= 0.17 inches Calculate the DCV Enter Project area tributary to BMP (s), A (acres) A = o.71 acres Enter Project Imperviousness, imp (unitless), imp = o.89 Calculate runoff coefficient, C= (0.75 x imp) + 0.15, C= o.81 Calculate runoff volume, Vdesign= (C x drfraction x A x 4356o x (1 /12)), Vdesign = 354 cu -ft Required Area = DCV / ponding depth = 354 / 0.5 = 7o8 sq. ft. Area provided = 831 sq. ft. Section IV Page 15 Water Quality Management Plan (WQMP) Westcliff Medical Area #� Per the Filterra sizing chart included in the Appendix, a 12'X 6' Filterra box will be used to treat the 0.95 acres of this sub -area. Area #a Per the Filterra sizing chart included in the Appendix, a W X 6' Filterra box will be used to treat the o.62 acres of this sub -area. Area #c Per the Filterra sizing chart included in the Appendix, a 4'X 4' Filterra box will be used to treat the 0.15 acres of this sub -area. Section IV Page 16 Water Quality Management Plan (WQMP) Westcliff Medical IV.3 LID BMP SELECTION AND PROJECT CONFORMANCE ANALYSIS Each sub - section below documents that the proposed design features conform to the applicable project performance criteria via check boxes, tables, calculations, narratives, and /or references to worksheets. Refer to Section 2.4.2.3 in the TGD far selecting LID BMPs and Section 2.4.3 in the TGD for conducting conformance analysis with project performance criteria. IV.3.1 Hydrologic Source Controls If required HSCs are included, fill out applicable check box forms. If the retention criteria are otherwise met with other LID BMI s, include a statement indicating HSCs not required. Name Included? Localized on -lot infiltration ❑ Impervious area dispersion (e.g. roof top disconnection) El Street trees (canopy interception) ❑ Residential rain barrels (not actively managed) ❑ Green roofs /Brown roofs ❑ Blue roofs ❑ Impervious area reduction (e.g. permeable pavers, site design) ❑ Other: ❑ Other: ❑ Other: ❑ Other: ❑ Other: ❑ Other: ❑ Other: ❑ Other: ❑ HSC are not required Section IV Page 17 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.2 Infiltration BMPs Identify infiltration BMPs to be used in project. If design volume cannot be met state why BMPs cannot be met Name Included? Bioretention without underdrains ❑ Rain gardens ❑ Porous landscaping ❑ Infiltration planters ❑ Retention swales ❑ Infiltration trenches ❑ Infiltration basins ❑ Drywells ❑ Subsurface infiltration galleries ❑ French drains ❑ Permeable asphalt ❑ Permeable concrete ❑ Permeable concrete pavers ❑ Other: ❑ Other: ❑ Show calculations below to demonstrate if the LID Design Strom Capture Volume can be met with infiltration BMPs. If not document how much can be met with infiltration and document why it is not feasible to meet the full volume with infiltration BMPs. The site infiltration characteristics (poor soils) do not allow for infiltration. Orange County Infiltration Study Map is shown in the Appendix. Section IV Page 18 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.3 Evapotranspiration, Rainwater Harvesting BMPs If the full Design Storm Capture Volume cannot be met with infiltration BMPs, describe any evapotranspiration, rainwater harvesting BMPs. Name Included? All HSCs; See Section IV.3.1 ❑ Surface -based infiltration BMPs ❑ Biotreatment BMPs ❑ Above - ground cisterns and basins ❑ Underground detention ❑ Other: ❑ Other: ❑ Other: ❑ Show calculations below to demonstrate if the LID Design Strom Capture Volume can be met with evapotranspiration, rainwater harvesting BMPs in combination with infiltration BMPs. If not document how much can be met with either infiltration BMPs, evapotranspiration, rainwater harvesting BMPs, or a combination, and document why it is not feasible to meet the full volume with either of these BMPs categories. Worksheet J is shown in the Appendix. The site landscaping does not require enough demand to use harvesting BMPs. Section IV Page 19 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.4 Biotreatment BMPs If the full Design Storm Capture Volume cannot be met with infiltration BMPs, and /or evapotranspiration and rainwater harvesting BMPs, describe biotreatment BMPs. Include sections for selection, suitability, sizing, and infeasibility, as applicable. Name Included? Bioretention with underdrains Stormwater planter boxes with underdrains ❑ Rain gardens with underdrains ❑ Constructed wetlands ❑ Vegetated swales ❑ Vegetated filter strips ❑ Proprietary vegetated biotreatment systems ❑ Wet extended detention basin ❑ Dry extended detention basins ❑ Other: Filterra Other: ❑ Show calculations below to demonstrate if the LID Design Strom Capture Volume can be met with infiltration, evapotranspiration, rainwater harvesting and/or biotreatment BMPs. If not document how much can be met with either infiltration BMPs, evapotranspiration, rainwater harvesting BMPs, or a combination, and document why it is not feasible to meet the full volume with either of these BMPs categories. The Design Capture Volume is as follows: See Section IV.2 for DCV calculations Section IV Page 20 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.5 Hydromodification Control BMPs Describe hydromodification control BMPs. See Section 5 TGD. Include sections for selection, suitability, sizing, and infeasibility, as applicable. Detail compliance with Prior Conditions of Approval. Hydromodification Control BMPs BMP Name BMP Description N/A Section IV Page 21 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.6 Regional /Sub - Regional LID BMPs Describe regional /sub- regional LID BMPs in which the project will participate. Refer to Section 7.11- 2.4.3.2 of the Model WQMP. Regional /Sub - Regional LID BMPs N/A IV.3.7 Treatment Control BMPs Treatment control BMPs can only be considered if the project conformance analysis indicates that it is not feasible to retain the full design capture volume with LID BMPs. Describe treatment control BMPs including sections far selection, sizing, and infeasibility, as applicable. Treatment Control BMPs BMP Name BMP Description N/A Section IV Page 22 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.8 Non-structural Source Control BMPs Fill out non-structural source control check box forms or provide a brief narrative explaining if non- structural source controls were not used. Non-Structural Source Control BMPs Check One If not applicable, state brief F Not Identifier Name reason Included I Applicable N1 Education for Property Owners, ED ❑ Tenants and Occupants .... N2 --- ------ -- ------ ---- Activity Restrictions - ------- --- --------- N3 ------------------------------- -------- . . . ...................................................... Common Area Landscape ------------------------------------ Management -- -------------------------------- N4 --------------------- — - I BMP Maintenance ................................................ ED 1:1 - -- ---- ................... N5 ...................................................... Title 22 CCR Compliance (How ................. ❑ .................... ED .. No hazardous materials will development will comply) be stored or generated onsite ................... N6 ........................................................................ Local Industrial Permit Compliance ❑ .................... 0 ............................................. Not an industrial permit ................... N7 ...................................................... ................. 0 .................... 0 ............................................. No hazardous materials will Spill Contingency Plan be stored or generated onsite ................... N8 ...................................................... Underground Storage Tank ................. ❑ .................... M ............................................. None on site Compliance ................... N9 ...................................................... Hazardous Materials Disclosure ...... ............................... ❑ 19 ............................................. No hazardous materials will Compliance be stored or generated onsite ------------------- N10 ------------------------------------------------------------------------ 1:1 -------------------- M --------------------------------------------- No hazardous materials will Uniform Fire Code Implementation be stored or generated onsite ................... N11 ...................................................... Common Area Litter Control ................. M .................... 1:1 ............................................. ................... N12 .................... ................................. Employee Training ...... ............................... M ❑ ............................................. ................... N13 ...................................................... Housekeeping of Loading Docks ................. ❑ .................... M ............................................. None on site -------------------- N14 ----------------------- ---------------------------- --- Common Area Catch Basin Inspection ---------- - - - - -- 0 .................... ❑ ............................................. ------------------- N15 ------------------------------------------------------------------------ Street Sweeping Private Streets and 0 ------------ - - - - -- - 1:1 --------------------------------------------- Parking Lots -------------------- N16 ------------------------------------------------------------------------ Retail Gasoline Outlets ❑ -------------------- ED --------------------------------------------- Not a gasoline outlet Section IV Page 23 Water Quality Management Plan (WQMP) Westcliff Medical NON - STRUCTURAL BMPs Ni - Education for Property Owner and /or Occupants Practical information materials shall be provided to the employees on general good housekeeping practices that contribute to the protection of storm water quality. Among other things, these materials will describe the use of chemicals (including household type) that should be limited to the property, with no discharge of specified wastes via hosing or other direct discharge to gutters, catch basins and storm drains. The Owner is responsible for maintaining and updating educational materials with current general housekeeping practices. Nz - Activity Restrictions These restrictions will include, at a minimum, the following: i. Professionals under contract should perform landscape maintenance. Use of pesticides and fertilizers shall be applied at the minimum rate recommended by the manufacturer. - Only persons properly trained in the application of such products shall apply pesticides and fertilizers. - Unused pesticides and fertilizers shall be stored in watertight containers in areas not exposed to rainfall or runoff. z. Leaf blowers shall be used to direct debris toward accessible collection areas for pickup. Debris shall not be directed into the street or storm drains. 3. No hosing off into storm drains or adjacent property will be allowed. 4. Cleanup of spills shall be confined to using mop and bucket only. Use absorbent materials on small spills and dispose of them per local regulations. Contact the local waste company for proper disposal of contaminated materials. No spills are anticipated to occur on site. However, employees will be trained in the proper clean up of spills using the absorption method, not washing down spills into the storm drain. N3 - Common Area Landscape Management The Owner will be responsible through its employees or maintenance contractors for ensuring that ongoing maintenance and use of fertilizers and pesticides of the on -site landscaping be consistent with the County Water Conservation Resolution and County Management Guidelines or City of Orange equivalent regulations. - Prevent soil erosion by properly replacing and maintaining ground cover as necessary. - Avoid over watering of landscape areas. N4 - BMP Maintenance Section IV Page 24 Water Quality Management Plan (WQMP) Westcliff Medical The Owner will be responsible through its employees and /or maintenance contractors for implementing each non - structural BMP and schedule cleaning of all BMP structural facilities. An employee(s) shall be designated to maintain the site BMP's including the grass swale and infiltration planter. The assigned personnel shall perform the necessary inspections and maintenance for the BMP's on the project. Inspections shall occur monthly and shall be recorded in a log book. Nu - Common Area Litter Control The Owner will implement trash management and litter control procedures aimed at reducing pollution of drainage water. It will consist of daily maintenance of parking lots and outside areas and requiring employees to deposit trash in waste containers with spill prevention features. New trash enclosure shall be walled off to prevent the transportation of trash. Runoff is diverted around the trash enclosure. The trash enclosure waste containers will be emptied weekly by a local commercial trash hauling company. Nia - Employee Training/ Education Program The Owner will provide educational training for the employees in the proper use, handling and cleanup of all waste materials, pesticides, fertilizers, etc. while on the job. Qualified and experienced individuals shall provide training to each employee prior to allowing him /her to handle hazardous materials. The owner shall provide employees with practical information materials to the facility employees on general good housekeeping practices that contribute to the protection of storm water quality. Also see Education for Property Owners and Occupants. N14 - Common Area Catch Basin Inspection The owner is required to have all drainage facilities inspected, cleaned and maintained on an annual basis. Cleaning should take place in the late summer /early fall prior to the start of the rainy season on October i'. Drainage facilities include catch basins (storm drain inlets) and drainage features. Niq - Street Sweeping Private Streets and Parking Lots Sidewalks, parking spaces, drive -thru and drive access shall be swept on a weekly basis Section IV Page 25 Water Quality Management Plan (WQMP) Westcliff Medical IV.3.9 Structural Source Control BMPs Fill out structural source control check box forms or provide a brief narrative explaining if Structural source controls were not used. Structural Source Control BMPs Check One Identifier Name If not applicable, state brief reason MApplicable S1 Provide storm drain system stenciling ® ❑ and signage Design and construct outdoor material S2 storage areas to reduce pollution ❑ ® No outdoor material storage introduction Design and construct trash and waste S3 storage areas to reduce pollution ® ❑ introduction Use efficient irrigation systems & S4 landscape design, water conservation, ® ❑ smart controllers, and source control S5 Protect slopes and channels and ❑ ® None on site provide energy dissipation Incorporate requirements applicable to individual priority project categories ❑ ❑ (from SDRWQCB NPDES Permit) S6 Dock areas ❑ ® None on site S7 Maintenance bays ❑ ® None on site SS Vehicle wash areas ❑ ® None on site S9 Outdoor processing areas ❑ ® None on site S10 Equipment wash areas ❑ ❑ None on site SH Fueling areas ❑ ® None on site S12 Hillside landscaping ❑ ® None on site 913 Wash water control for food El ® None on site p reparation areas S14 Community car wash racks ❑ ® None on site Section IV Page 26 Water Quality Management Plan (WQMP) Westcliff Medical STRUCTURAL BMPs Catch Basin Stenciling Site catch basins shall be stenciled "No Dumping — Drains To Ocean." Additional signage may be necessary as determined by the City. Trash Container (dumpster) Area The trash enclosure area is walled to prevent off -site transport of trash and runoff is diverted around the enclosure. Dumpsters shall be leak proof and have watertight lids. The lids shall remain closed at all times. The Owner will have the trash dumpsters emptied weekly by a local commercial trash hauling company or more frequently, if necessary. Efficient Irrigation The landscape plan shall be consistent with County Water Conservation Resolution or city equivalent. All sites shall employ multi - programmable irrigation controllers which have enough programs to break up all irrigation stations into hydrozones. If practical and feasible, rain shutoff devices shall be employed to prevent irrigation after significant precipitation. Irrigation systems shall be designed so areas which have different water use requirements are not mixed on the same station (hydrozones /smart timers). FUNDING - ALL FUNDING FOR THE PROGRAM WILL PROVIDED BY OPERATIONAL REVENUES OF THE PROPOSED WESTCLIFF MEDICAL FACILITY Section IV Page 27 Water Quality Management Plan (WQMP) Westcliff Medical IV.4 ALTERNATIVE COMPLIANCE PLAN (IF APPLICABLE) IV.4.1 Water Quality Credits Determine if water quality credits are applicable for the project. Refer to Section 3.1 of the Model WQMP for description of credits and Appendix V1 of the TGD for calculation methods for applying water quality credits. Description of Proposed Project Project Types that Qualify for Water Quality Credits (Select all that apply): ❑Redevelopment ❑Brownfield redevelopment, meaning _ ❑ Higher density development projects which projects that reduce the redevelopment, expansion, or reuse of real '. include two distinct categories (credits can only overall impervious property which may be complicated by the E be taken for one category): those with more than footprint of the project presence or potential presence of hazardous seven units per acre of development (lower credit site. substances, pollutants or contaminants, and allowance); vertical density developments, for which have the potential to contribute to ? example, those with a Floor to Area Ratio (FAR) adverse ground or surface WQ if not ; of 2 or those having more than 18 units per acre redeveloped. (greater credit allowance). ❑ Mixed use development, such as a ❑ Transit- oriented developments, such as a mixed ❑ Redevelopment combination of residential, commercial, use residential or commercial area designed to projects in an established industrial, office, institutional, or other land E maximize access to public transportation; similar to historic district, historic uses which incorporate design principles = above criterion, but where the development center is preservation area, or that can demonstrate environmental benefits E within one half mile of a mass transit center (e.g. bus, E similar significant city that would not be realized through single rail, light rail or commuter train station). Such area including core City use projects (e.g. reduced vehicle trip traffic projects would not be able to take credit for both '. Center areas (to be with the potential to reduce sources of water categories, but may have greater credit assigned defined through or air pollution). i mapping). ❑ ❑ Live -work developments, a ❑In -fill projects, the ❑Developments with E Developments E variety of developments designed conversion of empty lots dedication of undeveloped ❑ E in historic E to support residential and [ and other underused Developments portions to parks, districts or vocational needs together - spaces into more in a city center preservation areas and :historic similar to criteria to mixed use beneficially used spaces, area. other pervious uses. :preservation development; would not be able [ such as residential or areas. to take credit for both categories. commercial areas. Section IV Page 28 Water Quality Management Plan (WQMP) Westcliff Medical Calculation of Water Quality Credits (if applicable) We are not using credits for this project IV.4.2 Alternative Compliance Plan Information Describe an alternative compliance plan (if applicable). Include alternative compliance obligations (i.e., gallons, pounds) and describe proposed alternative compliance measures. Refer to Section 7.11 3.0 in the WQMP. Section IV Page 29 Water Quality Management Plan (WQMP) Westcliff Medical Section V Inspection/ Maintenance Responsibility for BMPs Prepare and attach an Operation and Maintenance Plan. Identify the mechanism through which BMPs will be maintained. Inspection and maintenance records must be kept for a minimum of five years for inspection by the regulatory agencies. Refer to Section 7.114.0 in the Model WQMP. Owner: Westcliff Medical 701 Western Avenue Glendale, CA 91201 (818) 244 -8080 Contact: Mark Yorita BMP Responsible Party *Maintenance *Inspection /Maintenance Activity Frequency Source Control BMPs (Structural and Nonstructural) Education for Property Owner - Westcliff Educate employees Initially upon Certificate of Owners, Tenants and Medical on impacts of Occupancy and again on a yearly Occupants discharging basis. pollutants into the storm drains. Activity Restriction Owner - Westcliff Restrictions on Daily Medical irrigation, outdoor washing and spill cleanup Common Area Owner - Westcliff Landscaping Weekly Landscape Medical management Management consistent with DAMP Section 5.5 and /or LIP A -5 BMP Maintenance Owner - Westcliff As described in BMP Daily Medical listing Common Area Catch Owner - Westcliff Remove trash & Weekly Basin Inspection Medical debris Common Area Litter Owner - Westcliff Trash management Weekly Control Medical and litter control and landscape maintenance Section V Page 30 Water Quality Management Plan (WQMP) Westcliff Medical Employee Training Owner - Westcliff Medical Educate employees on impacts of discharging pollutants into the storm drains. Initially upon hire and annually thereafter Filterra Owner - Westcliff Remove trash & Weekly Medical debris Per manufacturer's Minor Maintenance recommendations and once every year late in the rainy season and after major storms. Street Sweeping Owner - Westcliff Sidewalks, parking Weekly Private Streets and Medical spaces, and drive Parking Lots access shall be swept The Owner's Annual Self Certification Statement along with a BMP maintenance implementation table will be submitted by June 30th every year following project completion. At least one copy of the approved WQMP shall be available on the subject property in perpetuity. Once the owner transfers its interest in the property, its successors -in- interest shall bear the aforementioned responsibility to implement and amend the WQMP. The City of Newport Beach will be notified of the change of ownership and the new owner will submit a new certification. Section V Page 31 Water Quality Management Plan (WQMP) Westcliff Medical Section VI Site Plan and Drainage Plan VI.1 SITE PLAN AND DRAINAGE PLAN Include a site plan and drainage plan sheet set containing the following minimum information: • Project location • Site boundary • Land uses and land covers, as applicable • Suitability/ feasibility constraints • Structural BMP locations • Drainage delineations and flow information • Drainage connections • BMP details Section VII Page 32 Water Quality Management Plan (WQMP) Westcliff Medical Section VII Educational Materials Refer to the Orange County Stormwater Program (ocwatersheds.com) for a library of materials available. For the copy submitted to the Permittee, only attach the educational materials specifically applicable to the project. Other materials specific to the project may be included as well and must be attached. Education Materials Residential Material Check If Business Material Check If (http: / /www.ocwatersheds.com) Applicable (http: / /www.ocwatersheds.com) Applicable The Ocean Begins at Your Front Door ® Tips for the Automotive Industry ❑ Tips for Car Wash Fund - raisers ❑ Tips for Using Concrete and Mortar ❑ Tips for the Home Mechanic ❑ Tips for the Food Service Industry ❑ Homeowners Guide for Sustainable 11 Proper Maintenance Practices for Your Water Use Business Household Tips ❑ Other Material Check If Attached Proper Disposal of Household ❑ Hazardous Waste Recycle at Your Local Used Oil ❑ E] Collection Center (North County) Recycle at Your Local Used Oil El El Center (Central County) Recycle at Your Local Used Oil El El Center (South County) Tips for Maintaining a Septic Tank E] El Responsible Pest Control ❑ ❑ Sewer Spill ❑ ❑ Tips for the Home Improvement Projects ❑ ❑ Tips for Horse Care ❑ ❑ Tips for Landscaping and Gardening ❑ ❑ Tips for Pet Care ❑ ❑ Tips for Pool Maintenance ❑ ❑ Tips for Residential Pool, Landscape and ❑ El Drains Tips for Projects Using Paint ❑ ❑ Section VII Page 33 R O J E C T R E V E N T 1 0 Follow these simple steps to help reduce water pollution: Household Activities ■Do not rinse spills with water. Use dry cleanup methods such as applying cat litter or another absorbent material, sweep and dispose of in the trash. Take items such as used or excess batteries, oven cleaners, automotive fluids, painting products and cathode ray tubes, like TVs and computer monitors, to a Household Hazardous Waste Collection Center ( HHWCC). ■For a HHWCC near you call (714) 834 -6752 or visit www.oclandfills.com. 0 D not hose down your driveway, sidewalk or patio to the street, gutter or storm drain. Sweep up debris and dispose of it in the trash. Automotive ■Take your vehicle to a commercial car wash whenever possible. If you wash your vehicle at home, choose soaps, cleaners, or detergents labeled non - toxic, phosphate- free or biodegradable. Vegetable and citrus -based products are typically safest for the environment. ■Do not allow washwater from vehicle washing to drain into the street, gutter or storm drain. Excess washwater should be disposed of in the sanitary sewer (through a sink or toilet) or onto an absorbent surface like your lawn. ■Monitor your vehicles for leaks and place a pan under leaks. Keep your vehicles well maintained to stop and prevent leaks. ■Never pour oil or antifreeze in the street, gutter or storm drain. Recycle these substances at a service station, a waste oil collection center or used oil recycling center. For the nearest Used Oil Collection Center call 1- 800 - CLEANUP or visit. www.1800cleanup.org. Pool Maintenance ■Pool and spa water must be dechlorinated and free of excess acid, alkali or color to be allowed in the street, gutter or storm drain. ■When it is not raining, drain dechlorinated pool and spa water directly into the sanitary sewer. ■Some cities may have ordinances that do not allow pool water to be disposed of in the storm drain. Check with your city. Landscape and Gardening ■Do not over - water. Water your lawn and garden by hand to control the amount of water you use or set irrigation systems to reflect seasonal water needs. If water flows off your yard onto your driveway or sidewalk, your system is over - watering. Periodically inspect and fix leaks and misdirected sprinklers. ■Do not rake or blow leaves, clippings or pruning waste into the street, gutter or storm drain. Instead, dispose of waste by composting, hauling it to a permitted landfill, or as green waste through your city's recycling program. ■Follow directions on pesticides and fertilizer, (measure, do not estimate amounts) and do not use if rain is predicted within 48 hours. ■Take unwanted pesticides to a HHWCC to be recycled. For locations and hours of HHWCC, call (714) 834 -6752 or visit www.oclandfills.com. Trash ■Place trash and litter that cannot be recycled in securely covered trash cans. ■Whenever possible, buy recycled products. ■Remember: Reduce, Reuse, Recycle. Pet Care ■Always pick up after your pet. Flush waste down the toilet or dispose of it in the trash. Pet waste, if left outdoors, can wash into the street, gutter or storm drain. ■If possible, bathe your pets indoors. If you most bathe your pet outside, wash it on your lawn or another absorbent /permeable surface to keep the washwater from entering the street, gutter or storm drain. ■Follow directions for use of pet care products and dispose of any unused products at a HHWCC. FR F Did You Know? ■ Most people believe that the largest source of water pollution in urban areas comes from specific sources such as factories and sewage treatment plants. In fact, the largest source of water pollution comes from city streets, neighborhoods, construction sites and parking lots. This type of pollution is sometimes called "non -point source" pollution. ■There are two types of non -point source pollution: stormwater and urban runoff pollution. ■ Stormwater runoff results from rainfall. When rainstorms cause large volumes of water to rinse the urban landscape, picking up pollutants along the way. ■ Urban runoff can happen any time of the year when excessive water use from irrigation, vehicle washing and other sources carries trash, lawn clippings and other urban pollutants into storm drains. Where Does It Go? ■Anything we use outside homes, vehicles and businesses — like motor oil, paint, pesticides, fertilizers and cleaners — can be blown or washed into storm drains. ■A little water from a garden hose or rain can also send materials into storm drains. ■ Storm drains are separate from our sanitary sewer systems; unlike water in sanitary sewers (from sinks or toilets), water in storm drains is not treated before entering our waterways. Sources of Non -Point Source Pollution ■Automotive leaks and spills. ■Improper disposal of used oil and other engine fluids. ■Metals found in vehicle exhaust, weathered paint, rust, metal plating and tires. ■Pesticides and fertilizers from lawns, gardens and farms. ■Improper disposal of cleaners, paint and paint removers. ■ Soil erosion and dust debris from landscape and construction activities. ■Litter, lawn clippings, animal waste, and other organic matter. ■ Oil stains on parking lots and paved surfaces. The Effect on the Ocean Non -point source pollution can have a serious impact on water quality in Orange County. Pollutants from the storm drain system can harm marine life as well as coastal and wetland habitats. They can also degrade recreation areas such as beaches, harbors and bays. Stormwater quality management programs have been developed throughout Orange County to educate and encourage the public to protect water quality, monitor runoff in the storm drain system, investigate illegal dumping and maintain storm drains. Support from Orange County residents and businesses is needed to improve water quality and reduce urban runoff pollution. Proper use and disposal of materials will help stop pollution before it reaches the storm drain and the ocean. A California Environmental Protection Agency www.calepa.ca.gov, • Air Resources Board www.arb.ca.gov • Department of Pesticide Regulation www.cdpcca.gov • Department of Toxic Substances Control www.dtsc.ca.gov • Integrated Waste Management Board www.ciwmb.ca.gov • Office of Environmental Health Hazard Assessment w voehha.ca.gov • State Water Resources Control Board www.waterbrmrds.ca.gov Earth 911 - Community- Specific Environmental Information 1$00 - cleanup or visit www.1800cleanup. org Health Care Agency's Ocean and Bay Water Closure and Posting Hotline (714) 433 -6400 or visit www.ocbeachinfo.com Integrated Waste Management Dept. of Orange County (714) 834 -6752 or visit wwwcoclandfills.com for information on household hazardous waste collection centers, . recycling centers and solid waste collection O.C. Agriculture Commissioner (714) 447 -7100 or visit www.ocagcomm.com Stormwater Best Management Practice Handbook Visit wwvv.cabmphandbooks.com UC Master Gardener Hotline (714) 708 -1646 or visit wwwuccemg.com The Orange County Stormwater Program has created and moderates an electronic mailing list to facilitate communications, take questions and exchange ideas among its users about issues and topics related to stormwater and urban runoff and the implementation of program elements. To join the list, please send an email to ocstormwatednfo-join @list.oc vatersheds.cont Aliso Viejo ...................... (949) 425 -2535 Anaheim Public Works Operations ........ (714) 765 -6860 Brea Engineering .................. (714) 990 -7666 Buena Park Public Works ............. (714) 562 -3655 Costa Mesa Public Services ... ... ... .... (714) 754 -5323 Cypress Public Works ................ (714) 229 -6740 Dana Point Public Works. ... .. . ... .. . . (949) 248 -3584 Fountain Valley Public Works . .. . ... .. . . (714) 5934441 Fullerton Engineering Dept .. . . . . . . . . . . . (714) 738 -6853 Garden Grove Public Works ............ (714) 741 -5956 Huntington Beach Public Works ......... (714) 5368431 Irvine Public Works ................. (949) 724-6315 La Habra Public Services . ... ... ... ... . (562) 905 -9792 La Palma Public Works .. ... ... ... ... . (714) 690 -3310 Laguna Beach Water Quality............ (949) 497 -0378 Laguna Hills Public Services............ (949) 707 -2650 Laguna Niguel Public Works ........... (949) 3624337 Laguna Woods Public Works............ (949) 639-0500 Lake Forest Public Works ... ... ... ... . (949) 461 -3480 Los Alamitos Community Dev ............(562) 431 -3538 Mission Viejo Public Works ............ (949) 470 -3056 Newport Beach, Code & Water Quality Enforcement ................(949) 6443215 Orange Public Works ................ (714) 532 -6480 Placentia Public Works ...............(714) 993 -8245 Rancho Santa Margarita . ... ... ... .. . . (949) 635 -1800 San Clemente Environmental Programs . ... . (949) 361 -6143 San Juan Capistrano Engineering .. ... ... . (949) 2344413 Santa Ana Public Works .............. (714) 647 -3380 Seal Beach Engineering ............. (562) 431 -2527 017 Stanton Public Works ............... (714) 379 - 9222 x204 Tustin Public Works /Engineering......... (714) 573 -3150 Villa Park Engineering ............... (714) 998 -1500 Westminster Public Works /Engineering . ... (714) 898 -3311 x446 Yorba Linda Engineering ............. (714) 961 -7138 Orange County Stormwater Program ... .... (877) 897 -7455 Orange County 24 -Hour Water Pollution Problem Reporting Hotline 1- 877 -89 -SPILL (1- 877 - 897 -7455) On -line Water Pollution Problem Reporting Form w w w. o c w a t e r s h e d s. c o m Preventing water Pollution at your commercial /industrial site Clean beaches and healthy creeks, rivers, bays and ocean are important to Orange County. However, many landscape and building maintenance activities can lead to water pollution if you're not careful. Paint, chemicals, plant clippings and other materials can be blown or washed into storm drains that flow to the ocean. Unlike water in sanitary sewers (from sinks and toilets), water in storm drains is not treated before entering our waterways. You would never pour soap or fertilizers into the ocean, so why would you let them enter the storm drains? Follow these easy tips to help prevent water pollution. Some types of industrial facilities are required to obtain coverage under the State General Industrial Permit. For more information visit: www.swrcb.ca.gov/stormwater/industrial.htnd For more information, please call the Orange County Stormwater Program at 1- 877 -89 -SPILL (1- 877- 897 -7455) or visit www.ocwatersheds.com To report a spill, call the Orange County 24 -Hour Water Pollution Problem Reporting Hotline at 1- 877 -89 -SPILL (1- 877- 897- 7455). For emergencies, dial 911. RECYCLE USED OIL Printed on Recycled Paper M � a I ik. 6-111-1 The Ocean Begins at Your Front Door P R 5055 J E C T PO } }"I10V1 P R E V E N T I O N Landscape Maintenance ■ Compost grass clippings, leaves, sticks and other vegetation, or dispose of it at a permitted landfill or in green waste containers. Do not dispose of these materials in the street, gutter or storm drain. ■ Irrigate slowly and inspect the system for leaks, overspraying and runoff. Adjust automatic timers to avoid overwatering. ■ Follow label directions for the use and disposal of fertilizers and pesticides. ■ Do not apply pesticides or fertilizers if rain is expected within 48 hours or if wind speeds are above 5 mph. ■ Do not spray pesticides within 100 feet of waterways. ■ Fertilizers should be worked into the soil rather than dumped onto the surface. ■ If fertilizer is spilled on the pavement or sidewalk, sweep it up immediately and place it back in the container. Building Maintenance ■ Never allow washwater, sweepings or sediment to enter the storm drain. ■ Sweep up dry spills and use cat litter, towels or similar materials to absorb wet spills. Dispose of it in the trash. ■ If you wash your building, sidewalk or parking lot, you must contain the water. Use a shop vac to collect the water and contact your city or sanitation agency for proper disposal information. Do not let water enter the street, gutter or storm drain. ■ Use drop cloths underneath outdoor painting, scraping, and sandblasting work, and properly dispose of materials in the trash. ■ Use a ground cloth or oversized tub for mixing paint and cleaning tools. ■ Use a damp mop or broom to clean floors. ■ Cover dumpsters to keep insects, animals, rainwater and sand from entering. Keep the area around the dumpster clear of trash and debris. Do not overfill the dumpster. ■ Call your trash hauler to replace leaking dumpsters. ■ Do not dump any toxic substance or liquid waste on the pavement, the ground, or near a storm drain. Even materials that seem harmless such as latex paint or biodegradable cleaners can damage the environment. ■ Recycle paints, solvents and other materials. For more information about recycling and collection centers, visit www.oclandfiUs.com. ■ Store materials indoors or under cover and away from storm drains. ■ Use a construction and demolition recycling company to recycle lumber, paper, cardboard, metals, masonry, carpet, plastic, pipes, drywall, rocks, dirt, and green waste. For a listing of construction and demolition recycling locations in your area, visit www.ciwmb.ca.gov /recycle. ■ Properly label materials. Familiarize employees with Material PPS Safety Data Sheets. POBLJ-10" P R f V Ni I ON t� "O x E L6 N O O N NI O vt I CN N x N LL Jj I 10 N 01 Cr LO I N O 0 NI _T m a� LL C O Y C N O AQ. W LY y x x N ,o 111 10 N LO P .7 v- OLmno riirls a V1ns Ave / our ' - - --P4 Ave o �,m�m. Ea mown is �1i\A ��� l C,Lt uc Sl fr:ar•f- '�1_: s7n feI ea Blwd JI>r�l J r D I \ _ S': ".gir,ri fiv�,.. e Q Riverside �JJ�Jrl La Hdbra_ - �radO = 0(co or ri" � Pni)I fintll y l�da Park 5th + E N D a � Criiry Hills s _ LEG Illowbro k East la Irada w ? ^ NarcOO i City Boundaries F `n M'orwalk Compton G Rose ran5 q.e La Mirada y* xtino�nf SIVC, ✓�� ✓ J J� �$+ 4 Paramount o ,, k I Hydrologic Soil Groups a -4 } Yort) .r D Soils EA a 131 Sell+lgwer� i . r "p ✓,j`" �,`/i Sa ^s8 ,ellrera'A $t e I Wars Blvd � r!a' Ce+rht0s z r„ a alacenc r 'Corona Source: Ar sia Z � O m D Soils: Natural Resources Conservation Service (NRCS) Fullerton s+ d° y Soil Survey - soil_ca678, Orange County &Western Riverside rt ti Y 9 At " � ''w , ■ ♦ ♦ ♦♦ EUPPer�r a a m Date of publication: 2006 -02 -08 c ■1 Q htt / /websoilsurve .nres.usda. ov /a pp /HomePa e�.htm Carson iawallan Gar ns Buena P ir� SI C O C a alc© Rd rd St 3 ( Anaheim El C<fr lto E Wart+low R p. Cypress a • \ WTaft Ave VIII- .ark j{ 4'I. 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A 0.48 ac 3.38 conservation landscaping by 1; multiply active turf by 2) ac 7 What is the acreage of impervious area? IA No 2.90 14 ?) ac Provide supporting assumptions and citations for controlling demand calculation: For projects with both toilet flushing and indoor demand 8 What is the minimum use required for partial capture? (Table X.6) gpd 9 What is the project estimated minimum wet season total gpd daily use? 10 Is partial capture potentially feasible? (Line 9 > Line 8 ?) For projects only • - • demand 11 What is the minimum TUTIA for partial capture? (Table X.7) 12 What is the project estimated TUTIA? 13 Is partial capture potentially feasible? (Line 12 > Line 11? For projects only .- . 14 What is the minimum irrigation area required based on 2.26 ac conservation landscape design? ( Table X.8) 15 What is the proposed project irrigated area? (multiply 0.48 ac conservation landscaping by 1; multiply active turf by 2) 16 Is partial capture potentially feasible? (Line 15 > Line No 14 ?) Provide supporting assumptions and citations for controlling demand calculation: WESTERN ZONE (CA, NV, AZ, CO, UT, NM, HI) Engineering Design Assistance Kit (DAKit) v01 b fim [te Bioretention f fa Systems by KRISTAR (800) 579 -8819 (800) 579 -8819 (707) 524 -8186 (909) 790 -5239 info @kristar.com www.kristar.com KnStar Engineering KriStar Sales KriStar Fax Regulatory Support E -mail Web TAPE /TARP APPROVED Filterra© Stormwater Bioretention Filtration System Product information Copyright © 2012 by Filterra Bioretention Systems, a division of Americast, Inc. www.filterra.com PV 06/2012 0 filteffa Bioretention Systems by KRISTAR Table 1: Filterra® Quick Sizing Table (Western Zone - 0.2 in /hr Uniform Intensity Approach) ® Filterra Box Sizes (feet) Recommended Commercial Contributing Drainage Area (acres) where C = 0.85 Outlet Pipe 4x4 up to 0.22 4" SCH -40 PVC 46 or 6x4 0.23 to 0.33 4" SCH -40 PVC 4x6.5 or 6.5x4 0.23 to 0.35 4" SCH -40 PVC 48 or 8x4 0.34 to 0.44 4" SCH -40 PVC 4x16 or 16x4 up to 0.87 6" SCH -40 PVC Standard 6x6 0.45 to 0.49 4" SCH -40 PVC 6x8 or 8x6 0.50 to 0.65 4" SCH -40 PVC 6x10 or 10x6 0.66 to 0.82 4" SCH -40 PVC 6x12 or 12x6 0.83 to 0.98 6" SCH -40 PVC 8x12 or 12x8 0.99 to 1.31 6" SCH -40 PVC 8x16 or 16x8 up to 1.75 6" SCH -40 PVC 8x18 or 18x8 up to 1.96 6" SCH -40 PVC 8x20 or 20x8 up to 2.18 6" SCH -40 PVC Filterra® Box Sizes (feet) Recommended Residential Contributing Drainage Area (acres) where C = 0.50 Outlet Pipe 4x4 up to 0.37 4" SCH-40 PVC 4x6 or 6x4 0.38 to 0.60 4" SCH -40 PVC 4x6.5 or 6.5x4 0.38 to 0.60 4" SCH -40 PVC 4x8 or 8x4 0.61 to 0.74 4" SCH40 PVC 4x16 or 16x4 up to 1.48 6" SCH -40 PVC Standard 6x6 0.75 to 0.83 4" SCH -40 PVC 6x8 or 8x6 0.84 to 1.11 4" SCH-40 PVC 6x10 or 10x6 1.12 to 1.39 6" SCH40 PVC 6x12 or 12x6 1.40 to 1.67 6" SCH-40 PVC 8x12 or 12x8 1.68 to 2.22 6" SCH -40 PVC 8x16 or 16x8 up to 2.97 6" SCH40 PVC 8x18 or 18x8 up to 3.34 6" SCH-40 PVC 8x20 or 20x8 up to 3.71 6" SCH-40 PVC Notes: 1. Additional Filters Box sizes are available by contacting KnStar. 2. All boxes are standard 3.5 feet depth (INV to TC). 3. A standard PVC pipe coupling is cast into the wall for easy connection to discgarge drain. 4. Dimensions shown are internal. Please add i'to the internal dimensions to obtain the external dimensions (using 6" walls). 5. In line with TR55 data, for Commerical Developments a minimum (runoff coefficient) C factor of 0.85 is recommended. For Residential Developments, use of C factors less than 0.5 require individual site review by Koster. 6. Please ask for Sizing Tables for other target treatment goals, e.g. 0.3 in /hr. 7. This sizing table is valid for CA, NV, AZ, CO, UT, NM. For the state of HI, please contact a Filterra® representative. 06/2012 10 U a O TYPICAL OUTLET PORT LOCATION PVC COUPLING CAST MONOLITHIC. INDICATED BY SOLID HATCHED AREA. 4x4 6x6 CURB INLET OPENING(S) INDICATED BY HATCHED AREA. 4x6 6x8 8x12 4x6.5 6x10 8x16 4x8 6x12 8x18 4x16 8x20 6x4, 6.5x4, 8x4 8x6, 10x6 16x4 --------------- - - - - -- --------------- 12x6, 12x8, 16x8 18x8, 20x8 MODIFICATION OF DRAWINGS IS PERMITTED ONLY BY WRITTEN AUTHORIZATION FROM KRISTAR ENTERPRISES, INC. TITLE Filterra® K�es�� KriStar Enterprises, Inc. 360 Sutton Place, Santa Rosa, CA 95407 0 PVC Outlet Pipe Coupling Locations Ph: 800.579.8819, Fax: 707.524.8186, www.kristar.com US PAT 6,277,274 AND 6,569,321 DRAWING N0. FEV F -ECO DAiE K -FTOPC 03 0006 JPR 6/17/11 JPR 1/7/11 e- fi lie ffa Biaretention Systems by KRISTAR Filterra° Piping Technical Details Filterra® is supplied with an internal underdrain system that exits a wall in a perpendicular direction. Most efficient drainage is accomplished when the drain exits on the lower side of the Filterra®, i.e. nearest the overflow bypass. This is more important when using the larger sized Filterra® Systems. SCH -40 PVC COUPLING CAST INTO PREDI BOX WALL (BY ANEILCAST) INTERNAL FILTERRA UNOER DMN 5YSTEN T (By ANERICAST) 0 0 0 0 0 0 0 0 0 0 0 0 0 Drawing DPI: Section View through Filterra Precast Box Wall at Outfall Pipe Connection All units are supplied with the drainage pipe coupling precast into the wall, at a depth of 3.50 feet (INV to TC). Drawing DP1 is a detail of the coupling. The coupling used is SCH -40 PVC. Typically, a minimum slope of 0.5% is adequate to accommodate the flow of treated water from the Filterra®, but each site may present unique conditions based on routing of the outfall pipe (elbows). The pipe must not be a restricting point for the successful operation of Filterra®. All connecting pipes must accommodate freefall flow. Table 3 lists approved treatment sizing flow rates of the various size Filterra® units. A safety factor of at least two should be used to size piping from the Filterra based on these conservative approved treatment flow rates. Table 3: Filterra Flow Rates & Pipe Details Important Note: Actual flow rate may be more than double rates below. Filterra® Size (feet) PRECAST "I BO% WALL Connecting Drainage Pipe SCH -40 P/C CUTFA.L PIPE AT 0.037 MIN 0.501E SLOPE To OUIFALL 4 x 6 or 6 x 4 (By OTHERS) 4" SCH -40 PVC PRECAST FILTERRA BI BASE 0.061 J SCH -40 PVC COUPLING CAST INTO PREDI BOX WALL (BY ANEILCAST) INTERNAL FILTERRA UNOER DMN 5YSTEN T (By ANERICAST) 0 0 0 0 0 0 0 0 0 0 0 0 0 Drawing DPI: Section View through Filterra Precast Box Wall at Outfall Pipe Connection All units are supplied with the drainage pipe coupling precast into the wall, at a depth of 3.50 feet (INV to TC). Drawing DP1 is a detail of the coupling. The coupling used is SCH -40 PVC. Typically, a minimum slope of 0.5% is adequate to accommodate the flow of treated water from the Filterra®, but each site may present unique conditions based on routing of the outfall pipe (elbows). The pipe must not be a restricting point for the successful operation of Filterra®. All connecting pipes must accommodate freefall flow. Table 3 lists approved treatment sizing flow rates of the various size Filterra® units. A safety factor of at least two should be used to size piping from the Filterra based on these conservative approved treatment flow rates. Table 3: Filterra Flow Rates & Pipe Details Important Note: Actual flow rate may be more than double rates below. Filterra® Size (feet) Expected Flow Rate (cubic feet /second) Connecting Drainage Pipe 4x4 0.037 4" SCH -40 PVC 4 x 6 or 6 x 4 0.055 4" SCH -40 PVC 46.5 or 6.5x4 0.061 4" SCH -40 PVC 4 x 8 or 8 x 4 0.075 4" SCH -40 PVC 416 or 16x4 0.150 6" SCH -40 PVC 6 x 6 0.084 4" SCH -40 PVC 6 x 8 or 8 x 6 0.112 4" SCH-40 PVC 6 x 10 or 10 x 6 0.140 6" SCH -40 PVC 6 x 12 or 12 x 6 0.168 6" SCH -40 PVC 8x12 or 12x8 0.224 6" SCH -40 PVC 8x16 or 16x8 0.297 6" SCH -40 PVC 8x18 or 18x8 0.337 6" SCH40 PVC 8x20 or 20x8 0.374 6" SCH40 PVC 33 I Weights & Lifting Details for Filterra Bioretention Systems Short End Inlet Long Side Inlet Maximum Pick Weight Top Section Maximum Pick Weight Base Section Shipped with Media Maximum Pick Weight Base Section Shipped without Media Pounds Tons Pounds Tons Pounds Tons 4'x 4' 3000 1.50 9500 4.75 4'x 6' 6'x 4' 4500 2.25 12750 6.38 4'x 6.5' 6.5'x 4' 4750 2.38 13500 6.75 4'x 8' 8'x 4' 5750 2.88 16000 8.00 4'x 16' 16'x 4' 10500 5.25 27750 13.88 6'x 6' 6250 3.13 17500 8.75 6'x 8' 8'x 6' 7500 3.75 22000 11.00 6'x 10' 10'x 6' 8750 4.38 25000 12.50 6'x 12' 12'x 6' 9750 4.88 y- 14750 7.38 8'x 12' 12'x 8' 16'x 8' 13000 6.50 7.50 17000 21750 8.50 10.88 8'x 16' 15000 8'x 18' 18'x 8' 18500 9.25 24000 12.00 ,8'x 20' 20' x 8' 20500 10.25 A 26000 13.00 Q Top & bottom sections must be lifted SEPARATELY. NOTES: 7 1 1. A 7.50' minimum spreader bar is recommended for lifting all concrete cc 2. Weights do not include spreader bar. 3. Above weights are calculated, actual weights may vary. MULTIPLE LET /GRATE VERSION 'IZES SHIPPED WITHOUT MEDIA FOR IAXIMUM WEIGHT CONCERNS. 4. Regarding weights for sizes not shown contact KriStar Enterprises, Inc. nrLe 9* Ph: Enterprises, Inc. Filterra Bioretention System 360 Sutton Place, Santa Rosa, CA 95407 fike �d Ph: 800.579.8819, Fax: 707.524.8186,w .kristar.com US PAT 6,277,274 Maximum Pick Weight & Lifting Detail AND 6,569,321 DRAWING No. REV r -ECO oAiE K -MPW 02 0006 NEW 7/17/11 JPR 5/24/11 Filterra® Modified Options: Recessed Tops T- fi lie ffa Biaretention Systems by KRISTAR t� Filterra® modified recessed tops <' allow a seamless integration using = -- pavers, mulch or sod. m r NOTE: Modified recessed tops &�4 MM - — increase the depth of the Filterra® invert out. Modified recessed top with mulch Modified recessed top prior to shipping CLEANOUT TREE GRATE & FRAME & COVER STEEL FRAME 4.. AN 10 12 35 T- filleffla Biaretention Systems by KRISTAR Filterra® Modified Options: Ornamental Grates Modified colored grates are plastic coated to reduce corrosion. All grates are available in 36" and 48 ". Some modified grates may not be ADA compliant. For additional options please call (800) 579 -8819. 36 FT Radial Color Choices: ■ Black ■ Green L`WFTT:FTi:19F9i UA OT Title- 24 �as►C1^N7i -� Color Choices: ■ Black ■ Green UA Title -24 UA Chinook 0 filterra Biareten[ion Systems Filterra® Plant Selections by KRISTAR The Filterra® Stormwater Bioretention Filtration System harnesses the power of nature to capture, immobilize and cycle pollutants to treat stormwater runoff. Trees, grasses and shrubs do more than make it attractive; they also enhance pollutant removal. Above ground, the system's shrubs, grasses or trees add beauty and value to the urban landscape. Underground, nature's complex physical, chemical and biological processes are hard at work removing a wide range of non -point source pollutants from treated stormwater. Pollutants are decomposed, volatilized and incorporated into the biomass of Filterra's micro /macro fauna and flora. A wide range of plants are suitable for use in bioretention systems, and a list is available indicating those suitable for use with Filterra. The selection varies by location according to climate. Additional photos are available at www.kristar.com. Some of the most popular selections to date are shown below: Filterra® with Heavenly Bamboo Filterra® with Yedda Hawthorn Filterra" with Foster Holly Filterra® with Crape Myrtle More Information Visit www.filterra.com for more information including an animation of Filterra's features, operations and maintenance. 37 Common Filterra® Placements Typical Filterra placement at a fast food chain. Ideal for stormwater treatment where space is tight. Filterra used with a flumed bypass in a commercial parking lot. -9 filterfa Biaretention Systems by KRISTAR Even the largest Filterra unit blends in with landscaping. High flows bypass Filterra into a grass swale. www.filterra.com 38 Providing aesthetics and treatment in a residential area. Typical Filterra Configurations r.e, Example A INFILTRATION AND STORAGE CONFIGURATION -9 filleffla 8iaretention Systems by KRISTAR The Filterra System is well suited for pretreating runoff for underground infiltration and storage applications. The use of the Filterra System significantly lowers the maintenance and cost of such underground systems. Example B INFILTRATION AND STORAGE CONFIGURATION The compact design of the Filterra System allows it to be easily combined with numerous infiltration and storage applications to meet your site's specific requirements. Examples of possible management practices include but are not limited to the pretreatment of stormwater for gravel infiltration galleries and storage applications in reinforced concrete pipe. Example C INFILTRATION, STORAGE AND RE -USE CONFIGURATION Filterra is ideally suited to treat runoff before storage in cisterns for re -use applications such as irrigation. 39 Filterra° Roofdrain System The Filterra Roofdrain System treats piped in stormwater runoff from rooftops. Using bioretention filtration the system captures and immobilizes pollutants of concern such as; TSS, nutrients and metals. Stormwater continues to flow through the media and into the underdrain system, where treated water is discharged. Higher flows bypass the bioretention treatment via an overflow /bypass pipe design. Features and Benefits Best Value for Rooftop Treatment. • compact size • needs no external bypass • easy installation • simple maintenance Versatile. Filterra Roofdrain can be used for: • newconstruction • retrofits • commercial or residential applications. Filterra Roofdrain can be placed: • Atgrade • Slightly above grade to meet elevation challenges of high water tables • Install next to or away from your building Maintenance. Maintenance is simple and safe (at ground level), and the first year is provided FREE with the purchase of every unit. The procedure is so easy you can perform it yourself. Protection. The Filterra Roofdrain's hydraulic configuration was tested by the Colorado State University Hydraulics Laboratory. Below grade treatment using Filterra roofdrain avoids the slipping hazard liabilities ofdaylighted roofdrains during freezing weather. Protect from erosion with Filterra's monolithic water tight design. 40 NEW FILTERRA MODEL CONTACT US FOR DETAILS -9 filterfa Biaretention Systems by KRISTAR Filterra" Roofdrain Stormwater Treatment System A Greenroof at Ground Level Expected Pollutant Removal (Ranges Varying with Particle Size, Pollutant Loading and Site Conditions) TSS Removal 85% Phosphorus Removal 60%-70% Zinc Removal > 66% Copper Removal >58% Nitrogen Removal 43% TPH' Removal > 93% Total Petroleum Hydrocarbons Information on the pollutant removal efficiency of the filter soil /plant media is based on third party lab and field studies. Filterra media has been TAPE and TARP tested and approved. 1. Influent Pipe from Roof Leader 2. Erosion Control Device 3. Protective Mulch Layer 4. Perforated Underdrain forTreatment Flows 5. Cast Iron Tree Grate for Maintenance Access / O 0 Filterra° Curb Inlet with Internal Bypass The Filterra Curb Inlet with Internal Bypass system incorporates biofiltration and an internal high flow bypass chamber into one single structure. This new system eliminates the need and cost of installing a separate bypass structure and enables placement on grade or at low points. The system is designed for decentralized treatment of stormwater runoff and meets Low Impact Development guidelines in most jurisdictions. Filterra uses biofiltration to capture and immobilize pollutants of concern, such as: trash /debris, sediment, TSS, oil /grease, nutrients and metals. Initial runoff flows are conveyed internally from the Filterra weir tray and into the Filterra media chamber. Runoff is then filtered and treated through engineered soil media and passes into the underdrain system, which then discharges into the internal bypass chamber. Higher peak flows bypass the biofiltration media chamber over the Filterra weir tray and outlet through the internal bypass chamber. Features and Benefits Best Value for High Density Areas. • Compact size • Needs no external bypass • Accepts flow from both directions • Simple maintenance Versatile. Filterra Curb Inlet with Bypass models can be used for: • Newconstruction • Retrofits • Commercial or residential applications. Filterra Curb Inlet with Bypass can be placed: At sidewalk locations In parking lots At roadway improvement projects In parking lot low -spot islands Maintenance. Maintenance is simple and safe, and the first year is provided FREE with the purchase of every unit. The procedure is so easy you can perform it yourself. NEW FILTERRA MODEL CONTACT US FOR DETAILS -9 fillerfa 8iaretention Systems by KRISTAR Filterra' Curb Inlet with Internal Bypass System ternol peak flow bypass In one pockoged design Expected Pollutant Removal (Ranges Varying with Particle Size, Pollutant Loading and Site Conditions) TSS Removal 85% Phosphorus Removal 60%-70% Zinc Removal > 66% Copper Removal >58% Nitrogen Removal 43% TPH' Removal > 93% Total Petroleum Hydrocarbons Information on the pollutant removal efficiency of the filter soil /plant media is based on third party lab and field studies. Filterra media has been TAPE and TARP tested and approved. 6 7 1. Cast Iron Tree Grate for Maintenance Access 2. Protective Mulch Layer 3. Biofiltration Chamber 4. Filterra Engineered Soil Media 5. Perforated Underdrain Pipe �9 6. Native Tree or Shrubs (numerous plant choice available) 7. Curb Inlet Opening (various widths available) 8. Internal WeirTray and Inlet to Biofilter Chamber 9. Outlet 10. Internal Bypass Chamber 41 Standard Filterra° System The Standard Filterra® System is similar in concept to bioretention in its function and applications but has been optimized for high volume /flow treatment and high pollutant removal. Its small footprint allows it to be used on highly developed sites such as landscaped areas, parking lots and streetscapes. Filterra® is exceedingly adaptable and can be used alone or in combination with other BMPs. Stormwater runoff enters the Standard Filterra System through a curb -inlet opening and flows through a specially designed filter media mixture contained in a landscaped concrete container. The filter media captures and immobilizes pollutants; those pollutants are then decomposed, volatilized and incorporated into the biomass of the Fil- terra® system's micro /macro fauna and flora. Stormwater runoff flows through the media and into an underdrain system at the bottom of the container, where the treated water is discharged. Features and Benefits Best Value. Filterra offers the most cost effective stormwater treat- ment system featuring low cost, easy installation and simple mainte- nance. Regulatory Compliance. Third party field testing confirmed that Fil- terra meets state regulatory requirements for pollutant removal under TAPE and TARP testing. Aesthetics. Landscaping enhances the appearance of your site making it more attractive while removing pollutants. Maintenance. Maintenance is simple and safe (no confined space access), and the first year is FREE with the purchase of every unit. Versatile. Filterra is ideal for both new construction and urban retro- fits, as well as: • Streetscapes • Urban settings • Parking lots • Daylighted Roof drains • Highways • Industrial settings Design Support. Our engineers can assist you with all aspects of each Filterra application, including flora selection and sizing.' 42 -9 filterfa Biaretention Systems by KRISTAR Filterra Stormwater Bioretention Filtration System The Urban Solution for LID A Highly Effective System Filterra is well- suited for the ultra -urban environment with proven high removal efficiency for many toxic substances such as petroleum and heavy metals. Filterra® monitoring unit at an industrial port. The Filterra System meets or exceeds federal and state regulatory guidelines for pollutant removal efficiencies of Total Suspended Solids (TSS), nutrients and metals. Expected Pollutant Removal (Ranges Varying with Particle Size, Pollutant Loading and Site Conditions) TSS Removal 85°% Phosphorus Removal 60%-70% Nitrogen Removal 43% Total Copper Removal > 58°% Dissolved Copper Removal 46°% Total Zinc Removal > 66% Dissolved Zinc Removal 58% Oil & Grease > 93% Information on the pollutant removal efficiency of the filter soil /plant media is based on third party lab and field studies. Filterra media has been TAPE and TARP tested and approved. For more details, seethe Sizing Table for your project's region. Bioretention Plant /Soil /Microbe Complex Removes Pollutants, TSS, Phosphorus, Nitrogen, Bacteria, Heavy Metals, Hydrocarbons, etc. 1 Curb and riittor 6) filteffa Bioretention Systems by KRISTAR { New or Existing F Filterra° Flow Line Catch Basin, I at Higher Elevation Curb Cut or than Bypass Flow Line Other Means of Overflow Relief