AGENDA TITLE:
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Approve Plans and Specifications and Authorize Advertisement for Bids for Central Plume PCE/TCE Soil Remediation Project at 212 W. Pine St, Adopt a Resolution Authorizing City Manager to Award the Contract to the Lowest Responsive Bidder ($1,000,000) and Execute Change Orders ($100,000), and Appropriate Funds ($1,000,000) (PW)
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MEETING DATE:
July 2, 2025
PREPARED BY:
Public Works Director
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RECOMMENDED ACTION:
Approve plans and specifications and authorize advertisement for bids for Central Plume PCE/TCE Soil Vapor Remediation Project at 212 West Pine Street, adopt a resolution authorizing City Manager to award the contract to the lowest responsive bidder in an amount not to exceed $1,000,000, execute change orders in an amount not to exceed $100,000, and appropriate funds in the amount of $1,100,000.
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BACKGROUND INFORMATION:
For over 20 years, the City of Lodi has been involved in the remediation efforts associated with perchloroethylene (PCE) in the Central Plume Source Area (CPSA). The CPSA is generally bound by Pine Street on the North, Oak Street on the South, Church Street on the East, and Pleasant Street on the West. While the City did not cause the soil and groundwater contamination, the City agreed to assume all of the cleanup obligations as part of multiple lawsuit settlements.
The City has operated several PCE extraction projects in the Central Plume area, removing approximately 17,500 pounds of PCE to-date. In 2020, the City's Soil Vapor Extraction (SVE) system was no longer effectively removing the PCE within the soil beneath the CPSA, and the State's Water Board approved the removal of the SVE. As part of the approval to remove the SVE, the Water Board required the City to monitor indoor air quality for properties within the CPSA, and remediate any locations with residual PCE indoor air concentrations above the environmental screening levels (ESLs).
As part of the subsequent monitoring,...
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