NRCS-MA Tyler Dam Rehabilitation Project Floodwater Retarding Dam

Tender summary

Please see Attachment 1 Specificaitons document for further details. Tyler Dam Rehabilitation Worchester County, MA Site Showing on: Wednesday, May 27ᵗʰ at 10:00 AM at the site 200 Robin Hill Street Marlborough, MA 01752 The work consists of rehabilitating the existing dam to be in compliance with current safety and performance standards. Engineering studies identified that the dam has inadequate auxiliary spillway capacity that would result in overtopping and breaching of the embankment during the probable maximum flood. The major items of work include: excavating the approach channel upstream of the auxiliary spillway drop structure by 2.5 feet to improve flow efficiency; installing a geosynthetic clay liner in the auxiliary spillway approach; raising portions of the dam embankment crest to provide additional freeboard and create a uniform crest elevation; constructing a concrete crest wall to provide freeboard and prevent overtopping at a low spot where Robin Hill Street intersects the top of dam; replacing concrete joint sealant above the waterline in the auxiliary spillway and in the principal spillway conduit; replacing existing chain-link fencing surrounding the auxiliary spillway drop structure; and removing trees within 20 feet of the right upstream embankment groin.

What to check before bidding

• Issued by AGRICULTURE, DEPARTMENT OF.FARM PRODUCTION AND CONSERVATION BUSINESS CENTER.FPAC BUS CNTR-ACQ DIV.
• Located in United States.
• Source notice 765d4d1f291247d3be06016751e4b1d1 on SAM.gov.
• Notice published 19 May 2026; Tenqual indexed it 20 May 2026.
• Deadline listed as 19 Jun 2026.
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