LEE International
Lee Engineering Enterprises International
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TRANSPORTATION / HAZARDOUS WASTE

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FACILITIES MODIFICATIONS AND IMPROVEMENTS (REMEDIATION)

Location: San Carlos and South San Francisco, California

Client: San Mateo County Transit District (Samtrans)


LEE is currently providing groundwater monitoring services for SAMTRANS as part of a facilities modifications and improvement program for their Maintenance and Operations Facilities.

During the initial phase of the contract, LEE conducted a site investigation to determine the extent of soil and groundwater contamination caused by leaks from underground fuel lines.   A quarterly groundwater monitoring program was instituted and the design of a groundwater remediation system was undertaken.  LEE met with the San Mateo County Department of Environmental Health (SMCDEH) during the initial phase of design to determine cleanup goals.

The SMCDEH agreed to a soil cleanup goal higher than the default soil cleanup goal on the condition that SAMTRANS monitor the perimeter of the facilities to ensure that hydrocarbons will not migrate off site.

LEE designed a groundwater pump and treatment system to capture the containment plume.  LEE continues to monitor groundwater quality quarterly while providing design services during construction.  LEE is also providing construction management services for these facilities.

As construction manager,LEE ensures that the contractor complies with the terms and conditions of the contract.  Items such as schedule review, implementation of activities, interfaces with regulatory agencies, permitting, laboratory sampling, analytical analysis reports, progress payments, change orders, inspection, field engineering, quality control, quarterly well monitoring and contract administration are but a few of the services provided by this team.