Seymour No. 4 Dam Improvements

The State of Connecticut is soliciting bids for the Seymour Reservoir No. 4 Dam Improvements project. The work includes replacing the existing spillway with a concrete drop‑inlet structure, installing a 48‑inch discharge pipe and energy dissipator, adding a new 16‑inch outlet pipe with a stainless‑steel slide gate, installing a new valve and extension stem on the low‑level outlet, clearing trees and stabilizing embankments, repairing and raising the dam crest, placing riprap, constructing a 100‑foot auxiliary spillway with a concrete core wall, and re‑vegetating disturbed areas. The project is a heavy civil construction effort requiring expertise in dam engineering, concrete work, hydraulic structures, and environmental mitigation. • Scope: Complete structural upgrade of a water‑storage dam (spillway, outlet works, crest, auxiliary spillway). • Required disciplines: Heavy civil construction, concrete placement, hydraulic engineering, environmental services, site clearing and grading. • Location: Seymour Reservoir, Connecticut. • Procurement type: Invitation to Bid (ITB) – open to all vendors. • Key documents: Detailed project manual, contract drawings, standard bid terms, Q&A addendum.