TITLE
Recommendation to authorize City Manager, or designee, to execute an amendment to Agreement No. 34467 with AECOM Technical Services, Inc., of Long Beach, CA, to complete construction drawings, bid assistance and construction administration of the Davenport Park landfill gas emissions project, increasing the contract amount by $98,765, for a revised contract amount not to exceed $1,881,145. (Citywide)
DISCUSSION
City Council approval is requested to amend the scope of work for Agreement No. 34467 with AECOM Technical Services (AECOM), to include complete construction drawings, bid assistance and construction administration for the Davenport Park (Park) landfill gas emissions project.
On March 17, 2020, the City Council approved an amendment to Agreement No. 34467 for groundwater monitoring, reporting, and remediation services with AECOM to add the Park landfill gas project. AECOM was asked to create a workplan for landfill gas monitoring infrastructure development to reduce methane gas levels in the Park. The cost for the monitoring plan, remediation work plan, and detailed design was estimated at $160,000.
AECOM has been working with the Fleet Services Bureau for the last four years, providing services for former City Fuel Sites 7, 10, 11, and 17. A Resolution was adopted by the City Council on September 13, 2016, authorizing a contract with AECOM to monitor and report groundwater contaminants, as ordered by the Los Angeles Regional Water Quality Control Board (LARWQCB) to accelerate removal of groundwater contaminants. Accelerated contaminant removal is progressing well and is expected to be completed by September 30, 2021.
On March 28, 2019, the Los Angeles County Department of Public Health (County) submitted an inspection report stating that one of the Park’s vapor monitoring sensors was detecting methane levels above the allowable threshold and asked the City to submit a Landfill Gas Control System Workplan to protect public health, safety,...
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