EV35 NLON Site 11 Biosparge Oand M NAVAL SUBMARINE BASE NEW LONDON GROTON CONNECTICUT

The Department of the Navy Naval Facilities Engineering Command is seeking contractors for long-term environmental Operations, Maintenance & Monitoring (OM&M) of a biosparge system at Naval Submarine Base New London in Groton, Connecticut. The work involves ongoing remediation of petroleum hydrocarbon contamination in groundwater through biosparge treatment operations, including monthly site visits, monitoring well maintenance, annual groundwater sampling, and light non-aqueous phase liquid (LNAPL) recovery activities. The contract is specifically limited to four pre-qualified RAOMAC (Remedial Action Operations Award Contract) holders: ITMS-GES JV LLC, Koman Government Solution LLC, Meadows-EV JV LLC, and G2S LLC. Proposals will be evaluated on a fair opportunity basis with low price as the primary evaluation factor, comparing proposed prices against the Independent Government Cost Estimate, historical information, and market survey results. Electronic proposals are due through the PIEE Solicitation Module by September 9, 2025, at 2:00 PM EDT, with a proposal price index cutoff date of 10 calendar days prior to the due date.

This procurement does not utilize any set-aside designations and is open only to the four specified RAOMAC contract holders, with Koman Government Solutions LLC appearing as the current incumbent based on the monthly progress reports provided. The contract structure includes a 12-month base period beginning May 1, 2025, with options for three additional 12-month extensions, establishing a technical completion date of September 15, 2026, and a period of performance extending to March 15, 2027. The work is priced as a firm-fixed price contract covering four main elements: project management and administrative support, biosparge operations and maintenance, performance monitoring, and reporting requirements with data validation. All work will be performed at Naval Submarine Base New London in Groton, Connecticut, where the contractor must maintain a biosparge system on-stream factor of 98% or greater while coordinating with SUBASE personnel and the Connecticut Department of Energy and Environmental Protection. The contractor bears full responsibility for waste management and disposal, including LNAPL drumming, characterization, transport, and disposal at licensed Treatment, Storage, and Disposal Facilities.