Loren Data Corp.

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COMMERCE BUSINESS DAILY ISSUE OF MARCH 13,1998 PSA#2051

HSC/YAK, 8107 13th St, Brooks AFB, TX 78235-5218

A -- ACTIVE NOISE REDUCTION SYSTEM (ANRS) NOTICE REGARDING CBD SUBMISSION #163372 SOL F41624-98-R-1004 POC Linda Gray, Contract Specialist, 210-536-4538 or Sharon Bickford, Contracting Officer, 210-536-4584 WEB: Click here for more information on the requirement and/or to download a copy of pertinent information., http://www.brooks.af.mil/HSC/PKA/programs/ANR/master.html. E-MAIL: Click here to send an e-mail message to the Contract Specialist., linda.gray@hermes.brooks.af.mil. This is a special notice regarding the CBD Announcement, Submission No. 163372, A ACTIVE NOISE REDUCTION SYSTEM (ANRS) SOL F41624-98-R-1004 dated 30 Jan 98. Two important changes are being announced. 1. A commercial ANRS may be modified to meet the Air Force ANRS requirements. This is defined as follows: Modifications of a type customarily available in the commercial market place; or Minor modifications of a type not customarily available in the commercial marketplace made to meet Federal Government requirements. "Minor" modifications means modifications that do not significantly alter the nongovernmental function or essential physical characteristics of an item or component, or change the purpose of a process. Factors to be considered in determining whether a modification is minor include the value and size of the modification and the comparative value and size of the final product. Dollar values and percentages may be used as guideposts, but are not conclusive evidence that a modification is minor. 2. The requirement for Total Attenuation (see CBD Announcement #163372) has been revised to read: 8) Total Attenuation: The ANRS in the HGU-55/P shall meet the following 1/3 octave band total attenuation requirements when tested IAW ANSI Microphone-in-Real-Ear, S12.42 at 115 dB OASPL. The requirements are: 3 at 31.5 Hz 21 at 250 Hz 28 at 2,000 Hz 5 at 40 Hz 26 at 315 Hz 30 at 2,500 Hz 7 at 50 Hz 26 at 400 Hz 34 at 3,150 Hz 9 at 63 Hz 25 at 500 Hz 35 at 4,000 Hz 11 at 80 Hz 21 at 630 Hz 35 at 5,000 Hz 15 at 100 Hz 18 at 800 Hz 35 at 6,300 Hz 18 at 125 Hz 20 at 1,000 Hz 35 at 8,000 Hz 20 at 160 Hz 25 at 1,250 Hz 35 at 10,000 Hz 19 at 200 Hz 28 at 1,600 Hz The complete requirement can be downloaded from the following website: http://www.brooks.af.mil/HSC/PKA/programs/ANR/master.html#download This special notice is to notify any interested parties who may wish to propose on the Synopsis/Solicitation based on the above changes. The solicitation will not be reopened or extended unless indication of interest is received no later than 4:00 local time on 13 Mar 98. If interest is shown, ample time to prepare a proposal will be allowed. Interest may be shown by registering at the above website, by calling Linda Gray, Contract Specialist at 210-536-4538, by e-mail to linda.gray@hermes.brooks.af.mil or Sharon Bickford 210-536-4584; e-mail sharon.bickford@hermes.brooks.af.mil Contractual questions may be addressed to Linda Gray or Sharon Bickford. Technical questions may be directed to Capt Dave Williamson at 210-536-5052. (0069)

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