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HomeMy WebLinkAbout05 - Seismic Retrofit Notice of CompletionPOW CITY OF eT NEWPORT BEACH City Council Staff Report Agenda Item No. 5 October 11. 2011 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 APPROVED: �. 01 TITLE: SEISMIC RETROFIT OF SAN DIEGO CREEK BRIDGES AND GOLDENROD PEDESTRIAN OVERCROSSING — NOTICE OF COMPLETION OF CONTRACT NO. 3531 ABSTRACT: On October 12, 2010, City Council awarded Contract No. 3531 to Beador Construction for a total contract cost of $706,034 plus a 10% allowance for contingencies. The required work in now complete and staff requests City Council accept 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 35 days after the Notice of Completion has been recorded in accordance with 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 Contributions 7251- C5100695 $ 780,758.56 Total: $ 780,758.56 SEISMIC RETROFIT OF SAN DIEGO CREEK BRIDGES AND GOLDENROD PEDESTRIAN OVERCROSSING — NOTICE OF COMPLETION OF CONTRACT NO. 3531 October 11, 2011 Page 2 DISCUSSION: Overall Contract Cost/Time Summary Construction Final Cost at Contingency Actual Contract Time Contract Award Com pletion Target Contract Time Under or Amount Additional Rebar for Approach Slab $314.60 Change (days) (Over) $706,034 $780,758.56 10% or less 11% 150 40 The work necessary to complete this contract consisted of abutment backwall retrofits, bent infill walls, new approach slabs, retrofits on the fixed and expansion bents, and wrapping the columns in steel casings. 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: Actual cost of bid items constructed: Total change orders: Final construction contract cost: $706,034.00 706,034.00 74,724.56 $780,758.56 The final construction contract cost was approximately 11 percent above the original bid amount. The additional cost resulted from design changes during construction to account for unanticipated existing conditions. There were eight change orders broken down as shown below: CO # Description Cost 1 Provide Changeable Message Sign for Jamboree Road $10,005.00 2 Paving Notch and Abutment Cap Repairs $4,666.90 3 Joint Spall Repair and Additional Joint Seals $29,500.00 4 Additional Rebar for Approach Slab $314.60 5 DELETED - - - -- 6 Replace Sidewalk to Match New Approach Slab $3,500.00 7 Spall Repairs to Goldenrod Columns $10.592.46 8 Column Casing Steel Band Revisions $15,180.60 9 DELETED - - - -- 10 Additional Joint Sealing Not Included in CCO #3 $965.00 TOTAL $74,724.56 SEISMIC RETROFIT OF SAN DIEGO CREEK BRIDGES AND GOLDENROD PEDESTRIAN OVERCROSSING — NOTICE OF COMPLETION OF CONTRACT NO. 3531 October 11, 2011 Page 3 A summary of the project schedule is as follows: Estimated completion date per July 2010 Schedule: June 28, 2011 Project Award for construction: October 12, 2010 Contract Completion Date Plus Approved Extensions: July 22, 2011 Actual Construction Completion Date: May 31, 2011 ENVIRONMENTAL REVIEW: This project was subject to extensive environmental review and was subject to the following permits. • Coastal Development Permit (California Coastal Commission) • Section 1600 (California Department of Fish and Game) • Section 404 (Army Corp of Engineers) • Section 401 Certification of Water Quality (Regional Water Quality Control Board) • Section 402 (National Pollutant Discharge Elimination System Permits) As a requirement of these permits, the Jamboree Road portion of the project was monitored for water quality and bat roosting behavior impacts. All the required monitoring and documentation was completed. NOTICING: The agenda item has been noticed according to the Brown Act (72 hours in advance of the meeting at which the City Council considers the item). Submitted by: 8ieph Badum Pu c rks Director A. Location Maps Attachment A LOCATION MAP JAMBOREE ROAD OVER SAN DIEGO CREEK BRIDGE RETROFIT CONTRACT NO. 3531 B YVIEW WAY gP o O � PROJECT LOCATION m o 1 BACK BAY �o o� J 69 LOCATION MAP GOLDENROD AVENUE PEDESTRIAN OVERCROSSING CONTRACT NO. 3531 m= ohm 2 C) 0 ° of 6q}S /O o J F�R�(rF � s PROJF CTCOC/ITlO c o° m F,gryeo�<�� ARO o �