Greeneville DAM and canal repair

The City of Norwich, on behalf of Norwich Public Utilities (NPU), is soliciting competitive bids through an Invitation to Bid (ITB) for maintenance and repair work on the Greeneville Dam and associated canal located on the Shetucket River in Norwich, Connecticut. The 401-foot dam features multiple construction types, including stone and masonry core walls, wooden cribbed timber sections, and a fish lift, requiring specialized repair expertise. The procurement encompasses removal and replacement of upstream face planking, dam spillway planking, and concrete-encased cribbing timbers with hold-down pins, as well as repairs to canal sections including gates, spillways, stone masonry work, and earthen walls, with estimated work of approximately 100 feet of dam repair and 50 feet of canal repair annually. Estimated quantities for unit pricing include 600 square feet of spillway planking installation, 250 square feet of vertical spillway planking, 800 linear feet of cribbing installation, 100 cribbing pin connections, 12 cribbing splices, 4 cubic yards of stone ballast, 20 cubic yards of concrete supply and pouring, and 20 cubic yards of excavation and concrete disposal. The bid submission deadline is April 10, 2026, at 2:00 P.M. prevailing time through the City of Norwich Procurement Portal, with a mandatory pre-bid meeting scheduled for March 31, 2026, at 10:00 A.M. at the Greeneville Dam site. Work must be performed Monday through Friday from 7:00 A.M. to 3:30 P.M., with mobilization and commencement scheduled for the July through September timeframe. Awards will be granted to the lowest responsible qualified bidder based on submitted unit prices, and all contractors must comply with prevailing wage requirements, OSHA standards, Connecticut nondiscrimination provisions, and federal Executive Orders.

The procurement is open to all vendors without set-asides, restrictions, or disadvantaged enterprise designations, and no incumbent contractor information is provided in the solicitation documents. Contractors must submit a bid surety equal to five percent of the total amount bid in the form of a bid bond, certified check, or bank check, and for contracts exceeding $50,000, awarded contractors must provide labor and materials bonds and performance bonds equal to 100 percent of the total proposal price. Required qualifications include proof within 30 days of award that all employees have completed the 10-hour OSHA Construction Safety and Health course, and contractors must obtain all necessary permits and maintain comprehensive insurance coverage including workers' compensation, commercial general liability with minimum $1,000,000 per occurrence limits, commercial automobile liability, and pollution liability if applicable. NPU will provide all materials including oak planking timbers, oak cribbing timbers, boat spikes, chisel-pointed pins, carriage bolts, nuts, stone ballast, and special hold-down pins, while the contractor is responsible for furnishing all labor, supervision, tools, equipment, staging, temporary water diversions, pumping, dewatering operations, sheeting, shoring, and emergency action repairs. The specific estimated total contract value is not provided in the solicitation documents, though the work is described as ongoing on an annual basis. Inquiries regarding the solicitation should be directed to Robert Castronova at the City of Norwich, 100 Broadway Room 105, Norwich, CT 06360, at 860-823-3706 or rcastronova@cityofnorwich.org.