SAM #12FPC326B0012

USDA NRCS Solicits Tyler Dam Rehabilitation Construction Services in Massachusetts

The USDA Natural Resources Conservation Service (NRCS) is seeking construction services for the rehabilitation of Tyler Dam in Massachusetts. - Government Buyer: - United States Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS), FPAC Business Center Western Section - Project Scope: - Rehabilitation of Tyler Dam to meet current safety and performance standards - Major work includes: - Clearing and grubbing, demolition (concrete and fencing), and asbestos pipe removal - Excavation (2,700 CY unclassified), earthfill (980 CY approved, 2,272 CY random), and topsoil salvage/spreading (12,800 CY) - Installation of geosynthetic clay liner (11,000 SF) - Construction of reinforced concrete crest wall (25 CY) with steel reinforcement (2,100 LB) - Concrete repair and joint repair (1,100 LF) - Installation of new chain-link fence (1,022 LF), vehicular gates, and bollards - Pollution control, erosion and sediment control, and traffic control - Field office setup and contractor quality control - Graffiti removal and site restoration - Products/Services Requested: - No specific OEMs, brands, or part numbers are identified; all work is construction and site-specific - All technical specifications are detailed in the attachments - Unique/Notable Requirements: - Includes asbestos pipe removal and environmental protection measures - 100% small business set-aside, firm fixed-price contract - Compliance with environmental, safety, and quality control standards - Strict completion timeline (90 days after notice to proceed) - Estimated contract value: $950,000 to $1,100,000 - Place of Performance: - Tyler Dam, 200 Robin Hill Street, Marlborough, MA - USDA-NRCS Massachusetts State Office, Amherst, MA (delivery/oversight)

Description

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.

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