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HomeMy WebLinkAbout06 - Various Storm Drain ImprovementsSEW Pp�r CITY OF U; NEWPORT BEACH cb c9G,FOaHP City Council Staff Report Agenda Item No. 6 September 11, 2012 TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL FROM: Public Works Department Stephen G. Badum, Public Works Director 949- 644- 3311,sbadum @newportbeachca.gov PREPARED BY: Tom Sandefur, P.E., Associate Civil Engineer APPROVED: v TITLE: Various Storm Drain Improvements - Notice of Completion and Acceptance of Contract No. 4966 ABSTRACT: On March 13, 2012, City Council awarded Contract No. 4966 - Various Storm Drain Improvements to RY Engineering Works, Inc., for a total contract cost of $186,012.50 plus a 15% allowance for contingencies. The required work is now complete and staff requests City Council acceptance and close out of the contract. RECOMMENDATIONS: 1. Accept the completed work and authorize the City Clerk to file a Notice of Completion. 2. Authorize the City Clerk to release the Labor and Materials Bond 65 days after the Notice of Completion has been recorded in accordance with the applicable portions of the Civil Code. 3. Release the Faithful Performance Bond one year after Council acceptance. FUNDING REQUIREMENTS: Funds for the construction contract were expended from the following accounts: Account Description Account Number Amount General Fund 7012- C2502011 $ 209,200.25 Total Construction Cost: $ 209,200.25 Various Storm Drain Improvements - Notice of Completion and Acceptance of Contract No. 4966 September 11, 2012 Page 2 DISCUSSION: Overall Contract Cost/Time Summary Contract Award Final Cost at Benchmark Actual Contract Time Amount Completion Target Contract Time Under ( -) (days) or Over ( +) $186,012.50 $209,200.25 15% or less 12.5% 45 -2 The work completed for this contract consisted of: • Installing perforated subdrain and related structures and connecting to existing storm drain system on Newport Hills Drive. • Repaving the street area affected by the subdrain construction. • Installing a new grate catch basin in the vicinity of 227 Bayside Drive and connecting to an existing storm drain. • Installing a Stormtech detention basin at 32nd Street and Seashore Drive. The contract has now been completed to the satisfaction of the Public Works Department. A summary of the contract cost is as follows: Original bid amount: $ 186,012.50 Actual cost of bid items constructed: $188,659.50 Contract change orders: Final contract cost: $ 20,540.75 $ 209,200.25 The final contract cost was 12.5% above the original contract amount. There were two change orders totaling $20,540.75. One change order replaced an existing storm drain grate for a "bicycle friendly" storm drain grate on Bayside Drive. The second change order provided for additional paving on Newport Hills Drive West. The constant inundation of water in the subgrade of the street resulted in greater than anticipated pavement failures along the length of the subdrain trench. In order to provide an acceptable finished product, the area of pavement rehabilitation was expanded from trench width to half the street. A summary of the project schedule is as follows: Estimated Completion Date per July 2011 Baseline Schedule: November 11, 2012 Project Awarded for Construction: March 13, 2012 Completion Date from Award with Approved Extensions: August 6, 2012 Actual Substantial Construction Completion Date: August 2, 2012 Various Storm Drain Improvements - Notice of Completion and Acceptance of Contract No. 4966 September 11, 2012 Page 3 ENVIRONMENTAL REVIEW: City Council found this project exempt from the California Environmental Quality Act ( "CEQA ") pursuant to Section 15301(c). This exemption covers the minor alteration of existing public facilities with negligible expansion of the facilities in areas that are not environmentally sensitive. NOTICING: This agenda item has been noticed according to the Brown Act. In addition, the City Clerk will be filing a Notice of Completion for the project as a result of this action. The Notice Inviting Bids was advertised in the City's official publication and in construction industry publications. Submitted by: Attachments: A. Location Maps ATTACHMENT A IJ LOCATION MAP VARIOUS STORM DRAIN IMPROVEMENT PROJECTS CONTRACT NO.4966 PROJECT LOCATION z m \ 0 CD CITY HA:E \ \ 32ND STREET �\ Sly O � �', E� UI i -11LL.LI1J SZR 2 �JT1 \-L.I_ I UTFLT A. 32ND STREET AND SEASHORE DRIVE LOCATION MAP VARIOUS STORM DRAIN IMPROVEMENT PROJECTS CONTRACT NO.4966 PROJECT LOCATION O BAYSIDE DRIVE LOCATION MAP VARIOUS STORM DRAIN IMPROVEMENT PROJECTS CONTRACT NO.4966 ).1 J RppD ff o 1 ON eFEF.,_ Fpm RD ROAD �.PORi q PoP r A PROJECT LOCATION P Rr_ MO ='�lf LEY P f� IRLIN V JO P� NEWPORT HILLS DRIVE WEST m