NRCS-MA Tyler Dam Rehabilitation Project Floodwater Retarding Dam

The Natural Resources Conservation Service seeks rehabilitation of Tyler Dam, a floodwater retarding dam in Marlborough, Massachusetts, with sealed bids due June 25, 2026 at 1:00 p.m. ET and public bid opening at 2:30 p.m. ET the same day. This is a 100% total small business set-aside.

Place of performance is Marlborough, MA. A mandatory site visit was held May 27 at 10:00 a.m.; the project must be completed within 185 calendar days after Notice to Proceed, with November 1, 2026 estimated as the completion date. Liquidated damages are $1,000 per day.

The work scope includes excavating the auxiliary spillway approach channel by 2.5 feet, installing geosynthetic clay liner, raising dam embankment crest sections to provide freeboard, constructing a concrete crest wall at Robin Hill Street intersection, replacing concrete joint sealant in the auxiliary spillway and principal spillway conduit, replacing 1,022 linear feet of chain-link fencing, and removing trees within 20 feet of the upstream embankment groin. Excavation is estimated at 2,700 cubic yards unclassified, with approved earthfill at 980 cubic yards and random earthfill at 2,272 cubic yards. Major work items include clearing and grubbing, concrete demolition, concrete work, fence installation, mobilization, and surveying by licensed surveyors.

The estimated total project value ranges from $950,000 to $1,100,000. Award will be made to the responsive, responsible bidder with the lowest total price; discussions are not permitted. Bidders must submit a bid bond of 20% of the bid price and, within 10 calendar days of award, furnish a payment bond (SF-25A), irrevocable letter of credit, or tripartite escrow agreement for 100% of project cost. Contractor must begin performance within 7 calendar days after Notice to Proceed.

The applicable NAICS code is 237990 (Other Heavy and Civil Engineering Construction) with a $45 million average annual revenue threshold. All work must comply with OSHA standards, Davis-Bacon prevailing wage requirements under heavy construction wage determination MA20250008 (effective 1-2-2026), Buy American provisions, and EPA Construction General Permit requirements. Bidders must be registered in SAM with active status. Bids must be submitted electronically to mark.domingo@usda.gov. Addendum No. 1 (June 5, 2026) revised specifications for graffiti removal, modified pollution control references from Town of Shrewsbury to City of Marlborough, required licensed surveyor certification, and clarified field office location and submittal procedures via ShareFile. Questions and Answers (dated June 5, 2026) addressed 29 bidder inquiries covering wage determinations, asbestos-cement pipe removal and disposal, chain-link fencing quantities, material specifications, and permit requirements.