Thermostat Replacement and Building Management System Modifications - Weston Manor

The Somerville Housing Authority seeks a qualified contractor to replace thermostats and upgrade the building management system (BMS) at the Weston Manor residential building. The work includes installing new thermostats, electric baseboard heaters, and a Niagara‑Tridium BMS platform, backing up existing control points, and providing comprehensive documentation, training, and warranties. The project is HUD‑funded and requires compliance with Davis‑Bacon prevailing wage rules. • Replace approximately 163 existing thermostats throughout the building. • Install electric baseboard heating units in four designated locations. • Upgrade the existing BMS to a Johnson Controls Tridium Niagara FX90 system with BACnet/LonWorks communication, supporting up to five concurrent web‑browser users. • Provide full sub‑mittal packages (material lists, shop drawings, vendor contacts), record‑as‑built drawings, O&M manuals, and conduct five 4‑hour training sessions plus follow‑up sessions during warranty. • Deliver a 1‑year warranty on materials/workmanship and an 18‑month guarantee on the control system (up to 40 hours of programming changes).