B -- WIND TUNNEL Background "This is a combined synopsis/solicitation for commercial=20 items prepared in accordance with the format in Subpart=20 12.6, as supplemented with additional information included=20 in this notice. This announcement constitutes the only=20 solicitation; proposals are being requested and a written=20 solicitation will not be issued. This solicitation,=20 F3360100T0214, is a Request for Proposal (RFP). The=20 solicitation document and incorporated provisions and=20 clauses are those in effect through Federal Acquisition=20 Circular 97-14. This is a small business set-aside.=20 =20 =20 Wind Tunnel Minimum Specifications =20 =20 1.This specification calls for the design and construction=20 of an Open Circuit Wind Tunnel. =20 2.The tunnel should attain a maximum airspeed of at least=20 230 feet/sec through a 31""x 44"" test section. =20 3.The tunnel should be driven at variable RPM through a=20 Variable Frequency Drive and a 200 hp motor driving a=20 centrifugal blower. =20 4.The transverse velocity distribution across the test=20 section and within the boundary layers should be within 1%=20 of the mean. =20 5.The turbulence measured at the test section centerline=20 should be less than 0.1% at full speed. =20 6.The successful bidder should cite actual measurements in=20 tunnels of comparable speed and size confirming transverse=20 velocity, and turbulence specifications have been achieved. =20 7.Construction of the shell should be of welded steel=20 supported by longitudinal alignment beams caring castors and=20 leveling screws. The shell thickness should be a minimum of=20 =BC"" for the entrance nozzle and 3/16"" for the diffuser. =20 8.The contraction Area Ratio should be a minimum of 9.5:1. =20 9.The settling chamber should house 4 anti-turbulence=20 screens of 20x20 mesh stainless steel in steel frames to=20 permit easy removal for inspection and cleaning. =20 10.Aluminum honeycomb with =BC"" cells and an Aspect Ratio of=20 at least 15 should be installed upstream of the screens. =20 11.The tunnel should have a settling chamber downstream of=20 the screens and fillets in the entrance section, test=20 section, and diffuser. =20 12.The fillets in the test section should be tapered to=20 compensate for boundary layer growth and provide a flat=20 horizontal pressure gradient. The opposite sides of the test=20 section should be parallel to accommodate optical=20 measurements. =20 13.The ceiling and floor of the test section should be=20 fabricated from aluminum plate. Side doors will be made of=20 plexiglass. These doors should have gas-actuated hinges to=20 provide easy access to the test section. A removable=20 plexiglass window should be installed in the ceiling. A=20 removable turntable will be provided in the floor. =20 14.The tunnel should be fitted with static pressure rings=20 downstream of the screens and upstream of the test section.=20 The rings will act as manifolds for orifices in the four=20 walls of the tunnel. =20 15.Airspeed should be indicated on a digital readout based=20 on standard conditions and factory calibration. =20 16.The diffuser should have a maximum included angle of 6=20 degrees based on area. =20 17.The tunnel exhaust should be vented upward with an=20 acoustic-silencer/diffuser. =20 18. The tunnel shall be computer controlled with a minimum=20 Pentium III 733Mhz, 250Meg Internal Zip, 20 Gig Hard drive,=20 512 Meg Memory, W/R CD (8x write,4x rewrite, 32x read), 3.5=20 Drive, 21"" Monitor, 3D Video card with at least 32 MB SDRAM. =20 19. The computer control system shall have a minimum of 16=20 bit A/D (16 Channel), 12 Bit D/A (2 Channel), tunnel control=20 software (Air Speed) with data acquisition capability. =20 20. Delivery, Installation, and On-Site Training shall be=20 accomplished by bidder. =20 NOTE: The room size is 66' long, 30' wide, and 20' high =20 Delivery is required within 90 to 120 days of award, FOB=20 destination, net 30 payment terms. Ship to: Base Supply=20 Officer, Bldg 257, Area C, Wright-Patterson AFB OH=20 45433-5000. =20 The following clauses and provisions apply: 52.212-1,=20 Instructions to Offerors -- Commercial Items; 52.212-2,=20 Evaluation, Commercial Items (for paragraph (a), the blanks=20 are completed as follows: technical capability, price, past=20 performance and approximately equal to; 52.212-3, Offeror=20 Representations and Certifications -- Commercial Items;=20 52.212-4, Contract Terms and Conditions -- Commercial Items;=20 and 52.212-5, Contract Terms and Conditions Required to=20 Implement Statutes or Executive Orders -- Commercial Items=20 (for paragraph (b), only the following clauses apply: =20 52.222-26, 52.222-35, 52.222-36, 52.222-37, 52.225-3, DFARS=20 252.212-7001, Contract Terms and Conditions Required to=20 Implement Statutes or Executive Orders -- Commercial Items=20 (for paragraph (b), only the following clauses apply: =20 252.225-7001. =20 The offeror must return a copy of FAR 52.212-3, Offeror=20 Representations and Certifications -- Commercial Items. =20 Copies of all provisions and clauses, including Offeror=20 Representations and Certifications, are available at=20 http://farsite.hill.af.mil. Interested parties are required=20 to submit their proposals by close of business 08 FEB 00. =20 Anticipated award date is 10 Feb 00.=20 =20 Mr. Stephen J. Plaisted has been appointed as Ombudsman to=20 hear concerns from offerors, or potential offers, during the=20 proposal development. The purpose of the Ombudsman is to=20 communicate contractor concerns, issues, disagreements, and=20 recommendations to the appropriate government personnel. =20 Existence of the=20 Ombudsman does not diminish the authority of the program=20 director or the contracting officer. Accordingly the=20 Ombudsman does not participate in the preparation of=20 solicitations, the evaluation of proposals or the source=20 selection process and, therefore, for routine matters on=20 individual solicitations, please contact the buyer at the=20 telephone number listed herein. When requested the=20 Ombudsman will maintain strict confidentiality as to the=20 source of the concern. Should you desire to contact the=20 Ombudsman, Mr. Plaisted can be reached at (937) 255-9095,=20 DSN 785-9095. His address is 1790 10th Street, Room 208,=20 Wright-Patterson AFB OH 45433. All information regarding=20 this acquisition will be posted on the World Wide Web at=20 http//www.pixs.wpafb.af.mil. =20 " WEB: 00T0214-WIND TUNNEL, http://www.pixs.wpafb.af.mil/pixslibr/00T0214/00T0214.asp. E-MAIL: rick.wells@wpafb.af.mil, rick.wells@wpafb.af.mil. Posted 03/09/00 (D-SN432893).

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