BACKGROUND:
SUBJECT: Accept Work for White Oak Bayou Cottage Grove Substation Low Impact Development Demonstration Project; WBS No. M-000297-0001-4.
RECOMMENDATION: (Summary) Pass a motion to approve the final Contract Amount of $1,667,716.69 or 0.48% under the original Contract Amount, accept the Work and authorize final payment.
PROJECT NOTICE/JUSTIFICATION: This project was part of the Storm Drainage Capital Improvement Plan (CIP) and was required for the implementation of a pilot project to develop local data from evaluation and determination of Storm Water Quality Best Management Practices. This project will provide the City with beneficial data for the operation of its Municipal Separate Storm Sewer Systems and adherence to assigned limitation of the Total Maximum Daily Load for Storm water discharge to impaired channels.
DESCRIPTION/SCOPE: The project consisted of the reconstruction of approximately 800 linear feet of concrete roadway, concrete curb and gutters, sidewalks and approximately 800 linear feet of 24-inch to 36-inch reinforced concrete pipe for storm drainage. The project also included the installation of Low Impact Development features including Tree Wells and Rain Gardens and all associated appurtenances. Jones and Carter, Inc. designed the project with 135 calendar days allowed for construction. The project was awarded to Metro City Construction, L.P. with an original Contract Amount of $1,675,737.50.
LOCATION: The project area is generally bounded by Kiam Street on the north, Larkin Street on the south, Reinerman Street on the east and TC Jester Boulevard on the west. The project is located in Key Map Grid 492C.
CONTRACT COMPLETION AND COST: The Contractor, Metro City Construction, L.P., has completed the work under the subject Contract. The project was completed beyond the established completion date with additional 97 days approved by Change Orders 1 - 4. Liquidated damages in the amount of $13,600 for 17 days at $800.00/day were assessed and reflected in the final payment to the Contractor. The final cost of the project, including overrun and underrun of estimated unit price quantities and previously approved Change Order 1 and 3 is $1,667,716.69, a decrease of $8,020.81 or 0.48% under the original Contract Amount. The decreased cost is a result of the difference between planned and measured quantities.
MWBE/SBE PARTICIPATION: The MWBE/SBE goal established for this project was 16%. According to Office of Business Opportunity, the participation was 19.24%. Contractor’s MWBE/SBE performance evaluation was rated Outstanding.
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Dale A. Rudick, P.E., Director
Department of Public Works and Engineering