TITLE
Recommendation to adopt Specifications No. 3004020011 and award a contract to Environmental Construction, Inc., of Woodland Hills, CA, for construction of the Davenport Park Landfill Gas Control System Project, in the amount of $1,795,544, authorize a 15 percent contingency in the amount of $269,332, for a total contract amount of $2,064,876; and, authorize City Manager, or designee, to execute all documents necessary to enter into the contract, including any necessary subsequent amendments; and
Increase appropriations in the Capital Projects Fund Group in the Public Works Department by $2,150,000, offset by a transfer from Public Works Fiscal Year 2021 General Fund operational savings. (District 8)
DISCUSSION
City Council approval is requested to enter into a contract with Environmental Construction, Inc., to provide construction services for the Davenport Park Landfill Gas Control Project (Project).
The Project, located at Davenport Park 2910 E. 55th Way (Attachment A), includes a landfill gas (LFG) control system connecting three LFG risers to underground piping and routing it to a new treatment system. The system will connect to the below grade portion of the vents on the existing park (Phase I), and to the subgrade collection piping and landfill liner system installed in 2017 (Phase II). The treatment system will be installed on a concrete slab with secondary containment and surrounded with a security fence. New electric service will be installed to provide power to the site and a natural gas line will be installed to provide fuel to the treatment system. Additional site improvements include rerouting the pedestrian pathway, providing a maintenance access driveway, and modifying the existing landscape and irrigation through demolition and new installation.
In compliance with Title 27 of the California Code of Regulations (CCR), specifically 27 CCR 21190(a), land uses proposed on closed landfills (post-closure) must be designed and maintained t...
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