Coastal Systems Station, Dahlgren Division, 6703 W. Highway 98, Panama City, FL 32407-7001

42 -- UNDERWATER BREATHING APPARATUS SOL N61331-99-R-0044 DUE 092599 POC Buyer-Michael Wheeler, (850) 234-4243; Contracting Specialist-Carol Dreger, (850) 234-4863 WEB: www.ncsc.navy.mil/contracts/synopsis/syntable.htm, www.ncsc.navy.mil. E-MAIL: Wheeler_Michael@ncsc.navy.mil, Wheeler_Michael@ncsc.navy.mil. The Naval Surface Warfare Center, Dalhgren Division, Coastal Systems Station, Panama City, Florida intends to issue a sole-source contract to National Draeger for the procurement of 230 each MK-25 Mod 2 Enhancement Kits. The MK-25 Mode 2 Underwater Breathing Apparatus (UBA) is a self-contained, closed-circuit, oxygen UBA designed for use by Special Operations Forces and the Marine Corps in shallow water operations where concealment of surface exhaust bubbles is essential. The MK-25 UBA is worn on the diver's chest with the breathing bag in same relative position as the lungs. The breathing gas flows from the oxygen cylinder through the reducer and the automatic demand valve into the breathing bag. The swimmer inhales the gas from the breathing bag and exhales into the soda lime canister where carbon dioxide is removed. Purified gas returns from the canister (scrubber) to the breathing bag to repeat the cycle. Only those articles that have been successfully tested are qualified. Procedures are specifiedunder SS521-AA-MAN-010 U.S. Navy Diving and Manned Hyperbaric Certification Manual. For qualification requirements, please contact Ken Powell at (850) 234-4198, e-mail address powellke@ncsc.navy.mil. The objective of this process is to verify that the life support system provides acceptable levels of diver safety throughout the specified operating range when approved operating and maintenance procedures are followed. The intent of the process is to provide maximum reasonable assurance that an accident will not occur and establishes maximum reasonable assurance that the diver may be recovered without injury if there is an accident. National Draeger is the only company that has been qualified by cognizant authority to provide the MK-25 MOD 2 Enhancement Kits. Note 22 applies. Posted 08/12/99 (W-SN367163). (0224)

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