Seymour No. 4 Dam Improvements

The State of Connecticut is seeking contractors to execute a comprehensive upgrade of the Seymour Reservoir No. 4 Dam. The scope includes replacing the existing spillway with a concrete drop‑inlet structure, installing a 48‑inch discharge pipe with an energy dissipator, adding a 16‑inch outlet pipe with a stainless‑steel slide gate, installing a new valve and extension stem on the low‑level outlet, clearing vegetation, repairing and raising the dam crest, placing riprap, constructing a 100‑foot auxiliary spillway with a concrete core wall, and performing site grading and seeding. • Replace spillway with concrete drop‑inlet and 48‑in discharge pipe. • Install 16‑in outlet pipe and stainless‑steel slide gate. • New valve and extension stem on existing low‑level outlet. • Clear trees, repair eroded crest, raise crest 1 ft, add riprap. • Build 100‑ft auxiliary spillway with concrete core wall. • Site clearing, grading, topsoil placement, and reseeding.