Immigration & Naturalization Service, Procurement Division, 425 I St., NW, Room 2208, Washington, DC 20536

13 -- BALLISTIC INSTRUMENTATION SYSTEM SOL NFU-7B-00053 POC Joan Bennett (202) 307-0076/Lesa Scott (202) 514-0588 The Immigration & Naturalization Service (INS) needs a Ballistic System to test ammunition for pressure, action time and velocity. The INS needs to achieve uniform, reproducible test standards which removes or minimizes variables. The INS intends to follow Commercial Item procedures (FAR Part 12) to purchase on a sole source basis the System 83 manufactured by Oehler Research. The System 83 is the only Ballistic Instrumentation System manufactured in the US with the following characteristics and performance specifications: basic chassis, cables and software; connects to a computer by means of serial port; graphic target display; system which measures peak pressure, action time and muzzle velocity; statistical summary capability; data output that includes a video display, printed record; and magnetic diskette for storage and subsequent analysis; provisions to include pressure scale factors and offsets, distance between velocity sensors, and barrel offset corrections for velocities; MS-DOS and Windows compatible software operating system that commands and records data compatible with other INS computers and local support. The INS requires features included in the System 83 such as the Digital Pressure Module which provides a plot (pressure graph) of two pressure time curves on each shot (chamber pressure and barrel port pressure); the ability y to compute numeric values for common parameters such as time to pressure threshold, rise time, time to peak, peak pressure, and pressure time integral for each pressure; a Charge Amplifier Module to interface between a charge mode reassure transducer and measurement channels, a Calibrate/Test Module that shall provide a source of controlled signals for calibrating and checking system measurement modules; an Optical Sensor Target Array; supersonic and subsonic target testing capabilities; a degree of accuracy better than 0.50 inch; and a target area of approximately 36 inches square. In addition the system shall be able to measure target impact coordinates, the system shall measure the time of flight from the gun to the velocity at the target, and the system shall provide a means to test pressure using an external strain gage. This notice of intent is not a request for competitive proposals, however all capability literature received within 5 days of this publication by fax on (202) 514-3353, will be considered by the INS. A determination by the Government not to compete this proposed contract based upon responses to this notice is solely within the discretion of the Government. Information received will normally be considered solely for the purpose of deterring whether to conduct a competitive procurement. (0142)

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