HVAC SOW.pdf

Statement of work for Central Ferry Research Farm, new drying shed

HVAC:

Location of the project:

USDA ARS Central Ferry Research Farm, 639 Hastings Hill Rd, Pomeroy

WA 99347

ARS Unit Office: USDA ARS Western Reginal Plant introduction Station, 201 Clark Hall, WSU Pullman, 99164 6402

Contacts:

Kurt Tetrick (Farm Manager) 509-843-3580

Dr. Marilyn Warburton (Research Leader) 509-335-3683

Michael Hassett, (Acquisition support) 510-292-5186

Background:

The Western Regional Plant Introduction Station has determined that our hand harvested crops, stored in the drying shed located at the Central Ferry Fam needs to be under a more controlled atmosphere to prevent damage from extreme heat, cold and humidity. This forty by twenty-five-foot building with sixteen-foot walls is heavily insulated with insulation value is R36 (12-inch fiberglass batting).

Scope:

The winning bidder will place a 4-ton, minimum 16 SEER, package heat pump system. System to prevent icing in the winter with condensation drains. Unit shall be set on risers at the existing pad at the rear of the building. Construct and provide outgoing and return ducting to the building, along with return air base, media filter box with filters for heavy dust environment and return air ductwork to ceiling. Install supply air spiral main duct extending through the center of the building and above the gables, branching 90 degrees every ten feet (both directions) with side discharged connections, to a center point halfway from the main spiral duct to the wall with a 90-degree elbow down and a diffuser at the end of the branch duct.

Provide air handler matched to heat pump. Include electric heat strips sized to building and area. Provide 7-day programmable heat pump thermostat with OD temp sensor.

Provide all electrical connections from existing panels including conduit, wiring, terminations, circuit breakers within the current electrical codes of the state of Washington and the Federal Government providing reliable, long term system operation.

Install all products according to manufacturer’s instructions and recommendations. The material and equipment to be furnished under these contract documents shall be the standard products of manufacturers regularly engaged in the production of such materials and equipment and shall be the manufacturer’s latest standard design.

Submit list of subcontractors and installers with evidence of 5 years’ experience in the products and construction type.

Provide submittals on all materials. Contractor to submit sizing information for spiral duct and heat strips.

Provide documentation of 10-year material warranty.

A site visit is highly recommended to obtain scope. Bidders can contact the farm manager for appointments.

Any change orders will have to be approved by the purchasing specialist and the research leader before any changes can be done.