SOURCES SOUGHT
41 -- The Marine Corps Systems Command, Quantico, Virginia seeks sources and information for systems as add-on or inherent to military Environmental Control Units (ECU).
- Notice Date
- 9/2/2008
- Notice Type
- Sources Sought
- Contracting Office
- Department of the Navy, United States Marine Corps, Marine Corps Systems Command, M67854 MARINE CORPS SYSTEMS COMMAND Quantico, VA
- ZIP Code
- 00000
- Solicitation Number
- ENVIRCONUNITS
- Response Due
- 10/22/2008
- Archive Date
- 11/30/2008
- Point of Contact
- Matthew Brown, matthew.s.brown2@usmc.mil
- Small Business Set-Aside
- N/A
- Description
- The Marine Corps Systems Command, Quantico, Virginia seeks sources and information for systems as add-on or inherent to military Environmental Control Units (ECU) to support Nuclear/Biological/Chemical (NBC) Collective Protection (COL PRO) applications. A COL PRO ECU would provide heating and cooling to shelters operating in areas with the potential for being exposed to NBC agents. Desired characteristics include the following: General Characteristics: The ECU is intended to be used to provide space cooling and heating for military tents and shelters. It will be a packaged unitary design, using ruggedized packaging, with duct collars for use with round flexible ducting. It shall use non-ozone depleting refrigerant (ODP=0). The refrigerant used shall have an ASHRAE 34 Safety Classification Rating of A2 or A1. It shall incorporate up-to-date technology and components, must be easily maintainable in the field. It must contain safety circuits and controls to prevent catastrophic damage. Capacity: The ECU shall have a cooling capacity within the range of 36,000 BTU/hr to 200,000 BTU/hr, with a Sensible Heat Ratio of 0.7 or higher. The capacity shall be rated using American Society of Heating, Refrigeration, and Air-Conditioning Engineers (ASHRAE) standard 37, "Methods of Testing for Rating Unitary Air Conditioners and Heat Pump Equipment" using the following test conditions: Outdoor Dry Bulb Temperature: 125F, Indoor Dry Bulb Temperature: 90F, Indoor Wet Bulb Temperature: 75F; and operating with a pressure differential across the evaporator section supply and return of 0.5 inwg. Results from testing at other rating conditions may be included in responses. The ECU may include a heating capability, which will be verified IAW ANSI/ASHRAE 45 "Methods of Testing for Rating Non-Residential Warm Air Heaters", at the ambient temperature of 50F. Operating Environment: It is desired that the ECU be capable of providing cooling and heating over a wide variety of environmental conditions, including temperatures from -25F to 131F. The ECU shall provide cooling in ambient temperature conditions up to 131F, with a 90F evaporator air inlet temperature. Power Input: It is desired that the ECU operate from a 208 volt, 50/60 Hz, 3 phase power source. The minimum power factor is 0.85. Collective Protection: The ECU shall be designed so that it prevents contamination of the conditioned air when operating as a support element to a Chemical/Biological Agent Protection system. The COL PRO ECU is not intended to serve as a primary NBC filter though it may contain an internal filter to prevent contamination of the conditioned air if necessary. The COL PRO ECU system will provide a protection factor (PF) of at least 6667 as determined by appropriate vapor challenge test. Protection Factor is calculated as a ratio of the exterior (challenge) dosage to the resultant interior dosage. The COL PRO ECU shall be compatible with standard chemical protection equipment and operation in contaminated areas. Commercial firms possessing the characteristics noted in any of the above systems are encouraged and invited to submit product brochures and pricing materials outlining specifications, to include a statement of capabilities. Responses will be reviewed to identify firms potentially capable of fulfilling the Governments requirements. This Request for Information (RFI) is for planning purposes only at the current stage. The Government envisions conducting evaluations of available solutions in 2009, and responses will be reviewed to identify firms potentially capable of fulfilling the Governments requirements. This sources-sought / Request For Information (RFI) is for planning purposes only and shall not be construed as a Request For Proposal or as an obligation on the part of the Government to acquire follow-on acquisition. The Government does not intend to award a contract on the basis of this RFI, or otherwise pay for the information requested. No entitlement to payment of direct or indirect costs or charges by the Government will arise as a result of submission of responses to this RFI and Government use of such information. The Government recognizes that proprietary data may be part of this effort. If so included, clearly mark such restricted or proprietary data and present it as an addendum to the non-restricted/non-proprietary information. Responses to this RFI shall be electronically transmitted to Marine Corps Systems Command, attention: Matthew Brown, (703) 432-5027, matthew.s.brown2@usmc.mil
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