SUBJECT: Accept Work for Sims North Wastewater Treatment Plant (WWTP) Improvements.
RECOMMENDATION: (SUMMARY) Pass a motion to approve the final contract amount of $6,655,689.93 or 2.92% over the original contract amount, accept the Work and authorize final payment.
PROJECT NOTICE/JUSTIFICATION: This project was part of the city’s ongoing program for improvements to the major wastewater treatment plants.
DESCRIPTION/SCOPE: This project consisted of demolishing the abandoned old sludge processing building, improvements to wet sludge cake conveyance and processing system, replacement of the bar screens at the Sims North Wastewater Treatment Plant as well as paving, electrical, and other miscellaneous improvements. Parsons Water and Infrastructure, Inc. designed the project with 520 calendar days allowed for construction. The project was awarded to LEM Construction Company, Inc. with an original contract amount of $6,467,147.40.
LOCATION: This project was located at 9500 Lawndale Street, Houston, Texas 77017.
CONTRACT COMPLETION AND COST: The contractor, LEM Construction Company, Inc., has completed the work under the subject contract. The project was completed beyond the established completion date with an additional 789 days approved by Change Order Nos. 3, 4, 5, 6, 7, 8, and 9. The final cost of the project, including overrun and underrun of estimated unit price quantities and previously approved Change Order Nos. 1, 2, 3, 4, 5, 6, and 7 is $6,655,689.93, an increase of $188,542.53 or 2.92% over the original contract. The increased cost is a result of the difference between planned and measured quantities.
M/WSBE PARTICIPATION: The advertised MWBE contract goals for this project were 13% MBE and 7% WBE, while the approved goals were 11.55% MBE, 3.13% WBE, and 7.88% SBE. According to the Office of Business Opportunity, the actual participation achieved on this project was 12.26% MBE, 7.29% WBE, and 7.34% SBE. The MWSBE performance on this project has been rated Outstanding. Both the MBE and WBE goals were exceeded, and the Prime came within 1% of meeting the approved SBE goal. The Prime utilized all goal credit-certified subcontractors to the fullest extent possible. Based on these results, the MWSBE performance exceeds the Good Faith Efforts requirements mandated by the City’s MWSBE Program.
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Randall V. Macchi, JD
Director, Houston Public Works
WBS No. R-000265-0124-4