RECOMMENDATION from Director Houston Public Works for approval of final contract amount of $9,786,960.35 and acceptance of work on contract with GRAVA, LLC for Lift Station Renewal and Replacement – Northborough Drive #1, Northborough Drive #2, Old Katy Road, Richmond #1 and Bonner Road Lift Stations - 4.08% over the original contract amount and under the 5% contingency amount - DISTRICTS A - PECK; B - JACKSON; C - KAMIN and F - THOMAS

SUBJECT: Accept Work for Lift Station Renewal and Replacement- Northborough Drive #1, Northborough Drive #2, Old Katy Road, Richmond #1, and Bonner Road Lift Stations.

RECOMMENDATION: (SUMMARY) Pass a motion to approve the final Contract Amount of $9,786,960.35 or 4.08% over the original Contract Amount, accept the Work and authorize final payment.

PROJECT NOTICE/JUSTIFICATION: This project was part of the Lift Station Renewal and Replacement Improvements program and was required to meet the City's Capital Improvement Plan (CIP) for Wastewater facilities.

The work performed under this contract award was necessary to maintain compliance with Houston's wastewater consent decree with the EPA and TCEQ. 

DESCRIPTION/SCOPE: This project consisted of the rehabilitation of five (5) wastewater lift stations. The rehabilitation included site work, pumps, piping, valves, supports, instrumentation, and electrical improvements. Garver, LLC designed the project with 570 calendar days allowed for construction. The project was awarded to Grava, LLC with an original Contract Amount of $9,403,532.16.

LOCATION:

CONTRACT COMPLETION AND COST: The Contractor, Grava, LLC, has completed the work under the subject Contract. The project was completed beyond the established completion date with an additional 188 days approved by Change Order Nos. 2 and 3. The final cost of the project, including overrun and underrun of estimated unit price quantities and previously approved Change Order Nos. 1 and 2 is $9,786,960.35, an increase of $383,428.19 or 4.08% over the original Contract Amount and under the 5% contingency amount. The increased cost is a result of the difference between planned and measured quantities.

M/WSBE PARTICIPATION:  The advertised M/WBE contract goals for this project were 11.00% MBE and 7.00% WBE. The awarded goals were 10.65% MBE, 7.00% WBE, and 0.35% SBE. According to the Office of Business Opportunity, the actual participation achieved on this project was 12.71% MBE, 9.31% WBE, and 0.37% SBE. The MWSBE performance on this project was rated Outstanding for the following reasons: The Prime exceeded all awarded goals and demonstrated consistent responsiveness and compliance with the City's MWSBE Program.

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Randall V. Macchi, JD

Director, Houston Public Works

WBS No. R-000267-0161-4

Ordinance No. 2022-0107, dated 02-09-2022

No additional funding required.

Original appropriation of $11,100,315.00 from Fund No. 8500 - Water and Sewer System Consolidated Construction Fund