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HomeMy WebLinkAbout15 - Motorized Tide Valve ReplacementCITY OF NEWPORT BEACH CITY COUNCIL STAFF REPORT Agenda Item No. 15 January 26, 2010 TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL FROM: Public Works Department Fong Tse, Principal Civil Engineer 949 - 644 -3321 orftse @newporibeachca.gov SUBJECT: AMETHYST AVENUE -SOUTH BAYFRONT MOTORIZED TIDE VALVE REPLACEMENT- COMPLETION AND ACCEPTANCE OF CONTRACT NO. 4063 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 1 year after Council acceptance. Construction Contract Summary: Construction Contract Final Cost at Benchmark Contract Time (days) Award Amount Completion Target Actual Time (days) Under ( -) or Over + $76,972.90 $77,349.40 Contract Contract 127 -83 +10% +0.5% Discussion: On February 10, 2009, the City Council authorized the award of this contract to John S. Meek Co. Inc. (Meek). Under this contract, Meek removed interfering portions of existing valve vault, removed and replaced the existing slide gate, removed and installed an electric actuator, constructed valve vault modifications, installed new valve vault hatch, installed conduits, connected electrical facilities, miscellaneous concrete improvements, installed a new vault ladder, repaired surface improvements, and other miscellaneous tasks associated with the project construction. Amethyst Avenue — South Bay Front Motorized Tide Valve Replacement Completion and Acceptance of Contract No. 4063 January 26, 2010 Page 2 The contract has now been completed to the satisfaction of the Public Works Department. The contract construction costs were: Original bid amount: Actual amount of bid items constructed: Total amount of one change order: $76,972.90 $76,972.90 Final contract cost: $77,349.40 One change order in the amount of $376.50 was approved for the installation of a galvanized catch basin protection bar. The final contract cost, including one change order, was essentially the same as the original bid amount. A summary of the project schedule is as follows: Estimated completion date per Master Schedule: Project award for construction: Date of Notice To Proceed: First day of work: Estimated completion date on Notice To Proceed Actual substantial construction completion date: October 9, 2009 February 10, 2009 October 9, 2009 October 19, 2009 April 10, 2010 December 1 T200 While the project was awarded to Meek in February 2009, the start of construction did not occur until mid- October due to the tide valve manufacturer's inability to produce a valve unit.that complies with the design specifications. There were also concerns over the gate unseating head pressures. Meek performed well in constructing the improvements as originally designed. Additional time was granted for the change order work. Environmental Review: The project was determined to be exempt from the California Environmental Quality Act (CEQA) pursuant to Section 15301 (Restoration or Rehabilitation) of the CEQA Implementation Guidelines. This Exemption covers the restoration or rehabilitation of deteriorated or damaged structures, facilities or mechanical equipment to meet current standards of public health and safety. Public Notice: The Notice Inviting Bids was advertised in the City's official publication and in construction industry publications. Prior to starting work, two City prepared construction notices were distributed by the contractor to the nearby residents advising them of the work. Amethyst Avenue — South Bay Front Motorized Tide Valve Replacement Completion and Acceptance of Contract No. 4063 January 26, 2010 Page 3 Total Proiect Cost In addition to the primary construction contract, this project involved other project expenses. Total project expenses are summarized as follows: Construction $77,349.40 Incidentals 153.84 Total Project Cost $77,503.24 Funding Availability: Funds for the construction contract were expended from the following account: Account Description Account Number Amount General Fund 7012- C2502005 $ 77,349.40 Prepared by: Submitted by: on se e . Badum Pr' ipal Civil Engineerbl' orks Director