HSC/PKO, 8005 9th St, Bldg 625, Brooks AFB, TX 78235-5353

66 -- HPGE DETECTORS SOL F4162298T1189 DUE 090298 POC Guadalupe Murphy, 210 536-6298 Operational Contracting, HSC/PKOS, 8005 9th st, Brooks AFB Tx intends to solicit and negotiate award of a Firm Fixed Price order for two each low background, high efficiency Hyper-Pure Germanium (HpGe) detectors. These detectors should consist of all the components necessary to be connected to existing in-house systems and conform to the following specs: Required: Two (2) HpGe detectors in a 30 liter streamlined cryostat configuration with a relative efficiency of 40%. 1. Detectors: (a) Geometry: Cylindrical crystal N-type. (No POPTOP detector will be cosidered for procurement) (b) Relative photo-peak efficiency equal to or greater than 40%.(c) Guaranteed Resolution: full width half max (FWHM) resolution equal to or better than 1.95 KeV at 1.332 Me V with a FWTM/FWHM peak shape of 2.00 or less. (d) Entrance window: Ion implanted ultra thin Beryllium window not more than .020 inches think, not less than 2.35 inches in diameter, and not more than 3.0 inches in diameter. 2. Detector Housing requirements: Configuration: (a) Low noise streamlines (slim style) cryogenic charge sensitive preamplifier (b) preamplifier must be internal and have auto high voltage shutoff capablility that is compatible with Canberra model 9645 high voltage power supplies. (c) Dectector housing can be no more than 3.25 in diameter. (d) When placed in its accompany dewar, detector face must be adjustable from 35.6 inches to 39.25 inches above the floor. 3. Cryostat Requirement: (a) Orientation: free standing detector cryostat designed to be used vertically. (b) Cryostat must have a warm detection capability that remove high voltage from the detector during warm up conditions. (c) Dewar must have capacity of 30 liters of liquid nitrogen and allow for easy removal and insertion of the detector. Collar must have adjustable height control to assist in the placement of detector. 4. Miscellaneous requirements: (a) Gamma background radiation must be minimized by the use of virgin materials with the lowest natural radionuclide content. (b) Connections for bias voltage, preamplifier power, analog signal output and test must be provided. All connections must be compatible with applicable industry standards and work with all industry standard equipment. No installation will be required from vendor. Warranty: the detector shall have a standard complete replacement or repair warranty for a minimum period of one year. Delivery: to 70LS/LGM, 8006 Chennault Rd Ste 1, Bldg 1150, Brooks AFB TX 78235-5315 no later than 90 days ARO. Prices should be quoted FOB destination. This solicitation is IAW FAR Part 12.603(c)(2)(I) Streamlined Procedures for Evaluation and Solicitation for Commercial Items. No telephone requests will be accepted. This is a Combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Subpart 12.6, as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; proposals are being requested and a written solicitation will not be issued. Anticipated award will be 5 days after publication. See Note 1. Posted 08/28/98 (W-SN243348). (0240)

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