Connecticut Portal #DEEP090126CM

Seymour No. 4 Dam Improvements Project Solicitation

The Connecticut Department of Energy and Environmental Protection is seeking bids for the Seymour No. 4 Dam Improvements project. - Government Buyer: - Connecticut Department of Energy and Environmental Protection - Scope of Work: - Replace existing spillway with a concrete drop inlet structure, including a 48-inch discharge pipe and energy dissipator - Install a new 16-inch outlet pipe with a stainless steel slide gate - Add a new valve and extension stem to the existing low-level outlet upstream of the dam - Clear trees and stumps from embankments and left dike, followed by seeding - Fill downstream slope near new spillway discharge pipe, repair eroded areas, and raise dam crest by one foot - Place riprap on the upstream slope - Construct a 100-foot auxiliary spillway with a concrete core wall - Products/Services Requested: - Concrete drop inlet structure (48-inch discharge pipe, energy dissipator) - 16-inch outlet pipe with stainless steel slide gate - Valve and extension stem for low-level outlet - Riprap for upstream slope - 100-foot auxiliary spillway with concrete core wall - Tree and stump clearing, slope filling, crest repair/raising, and seeding - Unique Requirements: - Heavy construction and engineering expertise for dam infrastructure - Environmental services for clearing and seeding - OEMs and Vendors: - No specific OEMs or vendors are mentioned in the solicitation - Notable Details: - Project involves both structural and environmental improvements to dam infrastructure

Description

This solicitation is for the Seymour No. 4 Dam Improvements project which involves replacing the existing spillway with a concrete drop inlet structure featuring a 48-inch discharge pipe and energy dissipator. A new 16-inch outlet pipe controlled by a stainless steel slide gate will be installed, along with a new valve and extension stem on the existing low-level outlet upstream of the dam. The project also includes clearing trees from embankments, filling the downstream slope near the new spillway discharge pipe, repairing and raising the crest by one foot, placing riprap on the upstream slope, and constructing a 100-foot long auxiliary spillway with a concrete core wall. The left dike will be cleared of trees and stumps and seeded with grass.

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