HVAC_product_descritpion.docx

Product Description Portable 40 ton HVAC supply, O&M Division

Directorate of Public Works Fort Detrick, MD.

Supply Contract

1. Objective To purchase a Portable 40 Ton HVAC Unit to serve as a backup in case of emergencies.

2. Scope The Contractor shall furnish all labor, materials, parts, tools, and equipment necessary to provide a Portable 40 Ton HVAC Unit to Fort Detrick. The required delivery time is 90 days after the award of contract.

3. Specific Requirements To purchase a Portable 40 Ton HVAC Unit. Contractor shall be able to safely unload and safely load the truck by a suitable means at Fort Detrick. The Contractor shall coordinate gaining access to Fort Detrick with COR: Christian Smith. The portable HVAC unit should have the following specifications:

1. 40 Ton Vertical HVAC Unit.

2. Hauling Trailer.

3. Contractor to provide any power cables, tail end, and camlock connectors for a 150’ distance run to nearby panel [Temporary electrical power connection. 480V, 3 phase]

4. Contractor to provide any flex tubing i.e. supply duct for 200’ distance to application area.

5. Belt driven plenum fan.

6. High static belt drive evaporator fan that is capable of handling 4.25” total static pressure @14,000 CFM with VFD for varying CFM of the unit with potentiometer on main control panel.

7. Dual Circuit Direct Expansion Evaporative coil:

a. Entering air conditions (dry/wet bulb) = 80F/67F

b. Leaving air conditions (dry/wet bulb) = 55F/55F

8. 117 kW Three (3) Stage Electric Heating Coil.

9. Refrigeration section shall have two (2) independent circuits.

10. Unit shall include an Electrical Control Panel that has a power supply of 480/3/60 primary power supply.

11. VFD only control for both evaporator and condenser fan motors.

12. Three (3) stage heat and two (2) stage cool thermostat with remote sensor.

13. Leaving air controller with sensor for VAV operation.

14. Conservative casing/structural design standards should protect the unit from the weather elements. The installed housing design should comply with NFPA-90A.

15. The unit supply and return air section shall include flex duct interface connections.

16. Each section shall be factory insulated. Insulation shall have full coverage waterproof adhesive to firmly secure the material to the unit casing. Insulation shall meet the erosion requirements of UL 181.

17. Drain pan shall allow no standing water and comply with ASHRAE Standard 62-R.

18. All condensing and direct expansion (DX) refrigerant coils shall be provided to meet the scheduled performance. All coil performance shall be certified in accordance with ARI Standard 410.

4. Unsatisfactory Performance Items listed in section three (3.) Scope, must be provided / supplied to Fort Detrick in a safe and secure manner and shall be one hundred percent operational. Failure to perform to this scope would mean possible termination for default of the contract or nonpayment for services rendered due to the provision of a faulty product by the contracted party.

5. Hours of Operation The contractor is responsible for conducting business, between the hours of 7:30 a.m. and 3:30 p.m., Monday thru Friday except Federal holidays or when the Government facility is closed due to local or national emergencies, administrative closings, or similar Government directed facility closings. The Contractor must at all times maintain an adequate workforce for the uninterrupted performance of all tasks defined within this SOW when the Government facility is not closed for the above reasons. When hiring personnel, the Contractor shall keep in mind that the stability and continuity of the workforce are essential.

6. Period of Performance The Contractor shall deliver the unit to Fort Detrick no later than 90 days after award of contract.

7. Place of Performance FOB Destination: 9250 Veterans Dr. Fort Detrick, Maryland 21702.

Christian Smith, COR will direct contractor delivery.

8. Type of Contract Firm Fixed Price Supply Contract 9.Recognized-Holidays The contractor is not required to perform services on Federal holidays (as listed below).

10. Government Furnished Items and Services N/A

11. Contractor Furnished Items and Responsibilities The Contractor shall furnish all supplies listed under Section 3 of this SOW.

12. Contracting Officer’s Representative/Recipient Christian Smith, General Engineer – 301.619.2795 christian.e.smith23.civ@mail.mil

19. Division Chief/Supervisor Alan Lowson, Operations and Maintenance Division Chief – 301.619.2234, alan.lowson.civ@mail.mil