Report to Mayor and City Council
Tuesday, November 07, 2023
Consent
SUBJECT:
Title
CONSIDER APPROVAL OF AMENDMENT TO PUBLIC WORKS CONTRACT WITH OHL USA, INC. FOR THE COMPLETION OF THE STORMWATER AND RUNOFF CAPTURE PROJECT AT CARRIAGE CREST PARK (CITY COUNCIL)
Body
I. SUMMARY
Project No. 1515: Carriage Crest Park Stormwater Capture Facility is one of the projects in the Capital Improvement Program (CIP) (Exhibit No. 1) and will assist the City of Carson (City) in complying with its Municipal Separate Storm Sewer System (MS4) stormwater permit requirements. This project is largely funded by Caltrans in the amount of $13,000,000.00, County of Los Angeles (County) in the amount of $5,720,000.00, and Measure W in the amount of $925,000.00.
On May 16, 2018, the City entered into a Construction Contract with OHL USA, Inc., for an amount not to exceed $11,198,500.00 to the lowest responsible bidder, OHL. The City Council also authorized the expenditure of a construction 15% contingency in an amount not to exceed $1,679,775.00 for change orders such as the removal and remediation of contaminated soil, substructure conflicts, and other unforeseen construction work that may be required to complete this project.
The City and LACSD entered into a Stormwater Project Services Agreement dated July 19, 2016, where LACSD was retained to provide support, planning, design, and construction management services under the agreement to assist City with completion of the Project. Tetra Tech, Inc. is LACSD's subconsultant for the design component.
The project experienced construction delays caused by external factors such as weather and internal factors such as construction planning and design. Various change orders during the construction of the project and design challenges have consumed most of the allotted construction contingency. As of December 2022, the project was substantially complete. However, certain design flaws were identified when commissioning and testing the mech...
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