DEEP062526CM_Jun_29_26_solicitation_doc.pdf

This is an Invitation to Bid (ITB) solicitation document issued by the Connecticut Department of Energy and Environmental Protection (DEEP) for the construction of a two-story cold storage building at Thomaston Garage, located at 422 Watertown Road, Thomaston, Connecticut. The project scope encompasses site demolition, tree removal, concrete barrier relocation, stormwater management infrastructure, sanitary and storm drainage systems with lift stations and oil/water separators, utility infrastructure modifications including gas line relocation and electrical conduit placement, bituminous and concrete pavement, and comprehensive mechanical, electrical, and plumbing building systems. The facility is intended for general storage usage by DEEP's Western District and Environmental Conservation Law Enforcement divisions. The solicitation opened on June 25, 2026, at 2:00 PM EDT with vendor questions accepted from June 25, 2026, at 2:15 PM EDT through July 24, 2026, at 1:45 PM EDT. Bids are due July 31, 2026, at 2:00 PM EDT. The project number is DEPA00013203605, and design was prepared by TLB Architecture LLC with engineering services provided by Innovative Engineering Services LLC (mechanical, electrical, and plumbing), Nathan L. Jacobson & Associates Inc. (civil), and Cartier Structural Design (structural).

Key technical requirements include American Concrete Institute certification for concrete personnel, a Concrete Quality Control Plan with specified testing frequencies, and compliance with ASTM, AASHTO, ACI, and Connecticut Department of Transportation standards. Cold-weather concreting plans are mandatory when temperatures fall below 40 degrees Fahrenheit. Environmental compliance is a significant constraint, with the project subject to a Natural Diversity Database permit determination effective January 29, 2026, through January 29, 2028, addressing three state-listed species: the Northern long-eared bat (federally and state endangered), spotted turtle (state special concern), and wood turtle (state special concern). Tree clearing is prohibited between April 15 and October 31 unless applicants obtain a federal determination of no adverse effect or submit bat surveys demonstrating species absence. Turtle exclusionary fencing at least 20 inches tall is required during active seasons, with mandatory daily morning work area searches and restricted land disturbance in overwintering habitats. Bidders must submit required documentation through CTsource, including bid proposals and DAS Contractor Prequalification Forms. Payment terms are vendor-specified, and delivery terms are Free On Board Destination.