Statement of Work - Turnkey Replacements B3631 n B3635

DEDICATED OUTSIDE AIR SYSTEM / WATER-SOURCE HEAT PUMP

TURNKEY REPLACEMENT BUILDINGS 3631 & 3635

JOINT BASE SAN ANTONIO FT SAM HOUSTON

STATEMENT OF WORK

BACKGROUND

B3631 and B3635 are three-story, approximately 81,694 SF dormitory facilities. The HVAC system consists of water-source heat pumps supported by associated cooling towers and boilers. Each dorm room is conditioned by an individual water-source heat pump. Dedicated Outside Air System (DOAS), which are equipped with preheat coils, are shared among every four dorm rooms to provide conditioned outdoor air that mixes with return air before being introduced into the rooms. The DOAS units are currently in a failed condition and need to be replaced.

SCOPE OF WORK / TECHNICAL REQUIREMENTS

The contractor shall provide all labor, tools, hardware, and equipment necessary to complete the requested work and adhere to all safety and occupational standards. Contractor shall be responsible for maintaining and securely storing all parts, materials, and equipment required for the installation at the Contractor’s facility until such items are needed at the project site. This Statement of Work defines the tasks required for the removal and replacement of 48 DOAS units. The DOAS are situated outside above the breezeway ceilings and are equipped with their own designated 2’ x 3’ access doors. This is a commodity buy with incidental services.
Dedicated Outside Air Units (DOAS) WSHP
1. Contractor shall remove the existing WaterFurnace Model: UBH015R (or similar), ceiling-suspended units through the designated 3’-11.5” x 2’ (LxW) access openings, condensate piping and P-Trap. 2. Contractor shall furnish and install forty-eight (48) water-source heat pumps DOAS units with pre-heat coil (to meet or exceed as-built drawing equipment schedule WHP-2) in including new condensate drain lines and P-traps in strict accordance with the new equipment manufacturer’s recommendations. The unit shall be suspended from the overhead structure above the breezeway metal ceilings which are removeable panels. The contractor shall provide all lifting, rigging, and safety equipment necessary to safely execute unit removal.
3. Contractors shall connect supply and return condenser and hot water lines to the newly installed WSHPs, including new isolation valves, strainers, and flexible hose kits. 4. Contractors shall reconnect route supply and return ductwork to the newly installed WSHPs. 5. Contractor shall connect all control wiring to the new units. Contractors shall update control hardware,