36C25218B1082-0003003.docx

BRAND NAME OR EQUAL ITEMS

The items listed below have been identified as “brand name or equal” for this project in accordance with FAR 52.211-6 and VAAR 852.211-73. If a bidder proposes to furnish an “equal” product, this attachment, identifying the “equal” product proposed, and any descriptive material of the product shall be submitted at the time of bid. Unless the bidder returns this attachment clearly indicating an “equal” product is offered, the bid shall be considered as offering the brand name products listed below.

The clause entitled “Brand Name or Equal” applies only to the following items:

Air Handling Unit (AHU)

Brand Name Item

Proposed “Equal” Item Manufacturer: _________________________________ Brand: ________________________________________ No: __________________________________________ AHU Salient Characteristics

· Housing shall be fabricated from insulated, solid-wall galvanized steel without any perforations in draw-through configuration.

· Casing shall be entirely double wall insulated panels, minimum 51mm (2 inches) thick or R-value of 13 hr-ft2-°F/BTU.

· Access doors shall be a shall be a minimum of 50 mm (2 inches) thick or R-value of 13 hr-ft2-°F/BTU with same double wall construction as the unit casing.

· Condensate drain pan shall be designed to extend entire length of cooling coils including headers and return bends. Condensate drain pan shall be double wall construction, Type 304 stainless steel and have a minimum of 50 mm (2 inch) insulation or R-value of 6.25 13 hr-ft2-°F/BTU, and shall be sloped to drain.

· Single plenum fan, with single inlet, aluminum wheel and stamped air-foil aluminum bladed. Fans shall be dynamically balanced and internally isolated to minimize the vibrations.

· Factory-fabricated filter section shall be of the same construction and finish as the RTU casing including filter racks and hinged double wall access doors.

· Coils shall be mounted on hot dipped galvanized steel supports to assure proper anchoring of coil and future maintenance. Each coil shall be removable without disturbing adjacent coil.

· AHU not to exceed 48”x 236” in footprint. AHU weight not to exceed 2790 Lbs.

AHU Performance Requirements

· See equipment schedule on Sheet M-501.

Direct Expansion (DX) Cooling Coil

Brand Name Item

Proposed “Equal” Item Manufacturer: _________________________________ Brand: ________________________________________ No: __________________________________________ DX Cooling Coil Salient Characteristics

· Steel casing, finished with baked enamel, with removable panels for access to controls, weep holes for water drainage, and mounting holes in base.

· Hermetically sealed scroll with crankcase heater and mounted on vibration isolation. Compressor motor shall have thermal- and current-sensitive overload devices, start capacitor, relay, and contactor.

· Compressor motor with manual-reset, high-pressure switch, low-pressure switch.

· 410A refrigerant.

· Copper tube refrigerant coil, with mechanically bonded aluminum fins, and with liquid subcooler.

· Aluminum fan, propeller type, directly connected to motor.

· Permanently lubricated motor, with integral thermal-overload protection.

DX Cooling Coil Performance Requirements

· See equipment schedule on Sheet M-501.