WIS Boiler Replacements Bid Walk-thru Questions 11.21.25.pdf

This document is a bid walk-through questions and answers file from the Bridgewater-Raynham Regional School District regarding boiler replacements at Williams Intermediate School in Bridgewater, Massachusetts. The project involves the replacement of two existing inoperable HB Smith boilers with two new HB Smith BRTS/28HE-8 cast-iron, knock-down hot-water boilers or approved equivalents, along with associated concrete pad preparation, hydronic piping modifications, electrical and venting system connections, and safety control installations. A mandatory walkthrough was scheduled for November 19, 2025, at 10:00 AM, with bid proposals required by December 1, 2025, at 10:00 AM at the Central Office located at 166 Mt. Prospect Street, Bridgewater. The bid award is scheduled for December 5, 2025, and the project completion deadline is December 31, 2025. The project specifications require equipment with approximately 850,000 BTU/hr output per unit and minimum 80 percent combustion efficiency. All four boilers must operate in sequence through the district's Johnson Controls Building Management System upon completion.

Contractor qualifications include a minimum of ten years of verifiable experience installing commercial hydronic boiler systems, completion of at least three comparable K-12 or municipal projects within the past five years, employment of Massachusetts-licensed professionals, DCAMM Certification in HVAC, and OSHA 10-hour certification for all on-site personnel. The estimated construction cost ranges between $150,000 and $225,000. A bid bond of 5 percent of the total bid amount and performance and payment bonds at 100 percent are required. Prevailing wage regulations under M.G.L. Chapter 149, Sections 26-27 apply to the project. The awarded contractor must provide a one-year warranty including twenty-four-hour service. Equipment substitutions are permitted only if submitted at least four business days prior to bid opening with detailed technical documentation demonstrating full equivalence. Both existing boilers can be demolished and replaced simultaneously without operational constraints.