DOC; Mountain Administrative Support Center; Acquisition Management Division; 325 Broadway MC3; Boulder, CO

F -- OCEAN PHYSICS EXPERIMENT SOL NRMAL-901206DT DUE 110199 POC Doris Turner, Purchasing Agent, 303-497-3872; FAX: 303-497-3163 E-MAIL: NOAA; MASC Acquisition Management, Doris.P.Turner@noaa.gov. The National Oceanic and Atmospheric Administration (NOAA), Environmental Technology Labs (ETL) requires the use of a unique, large-scale laboratory facility for studying processes in the upper ocean. This includes a large thermostratified tank (20m x 4m x 2m) with a controlled thermocline-type stratification which models the upper ocean structure at about 1 to 100-200 of spatial scale and about 1:10 of velocity scales. The tank is fully equipped with generators of surface and internal waves, a flow inductor, towing trolley, etc., and a measuring complex for the computer-based data collection and processing. The purpose of the work, is (a) To study the interactions between internal gravity waves (IW), turbulent spots and shear flows; the possibility of turbulence production and maintaining, in the presence of IW in the ocean; the possibility of generation, amplification and attenuation of waves by turbulent currents; and theoretically describe the main mechanism of the phenomena observed; and (b) To further study the effect of inhomogeneous flows on gravity-capillary surface waves. It is the intent of the Government to negotiate a sole source contract under the authority of 41 U.S.C. 253(c)(1) with The Institute of Applied Physics at Nizhny Novgorod (Russia) as this source is considered to be the only responsible source and no other source can satisfy agency requirements. This announcement is being issued under the Simplified Acquisition Procedures, FAR Part 13 (NTE $100,000.00). Agency level protest procedures are at http://www.doc.gov/oam/conops/#REFERENCE. FAR Clauses in full text are at http://www.ARNET.gov/far/. No RFQ package is available. Posted 10/15/99 (D-SN392273). (0288)

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