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66 -- LASER INTERFEROMETER SOL 1-074-RBD.1021 DUE 022500 POC Artistine R. Lethcoe-Reid, Purchasing Agent, Phone (757)-864-2432, Fax (757) 864-9774, Email A.LETHCOE-REID@larc.nasa.gov -- Susan E. McClain, Contracting Officer, Phone (757) 864-8687, Fax (757) 864-8863, Email s.e.mcclain@larc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.msfc.nasa.gov/cgi-bin/EPS/bizops.cgi?gr=D&pin=23#1-074-RBD .1021. E-MAIL: Artistine R. Lethcoe-Reid, A.LETHCOE-REID@larc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 1 TO THE COMBINED SYNOPSIS/RFQ FOR One each of a Laser Interferometer. Companies shall acknowledge all amendment(s) in their quote. This notice serves as the official amendment to subject synopsis/RFQ and a written amendment will not be issued. The purpose of this amendment is to answer the following questions: (1) Question -- What is the accuracy required for pitch, yaw and roll calibration? Answer -- Angular accuracy +/- 1.0 arc-seconds, this applies to all angular measurements: Roll, pitch, Yaw and orthogonal straightness in both orthogonal axis. (2) Question -- Will the calibration be performed during a continuous movement or in incremented steps? Answer -- Normally in incremental steps. (3) Question -- Will engineers consult directly with contractor? Answer -- No. The due date for receipt of offers is extended to 02/25/00. Companies shall provide the information stated in the synopsis/RFQ posted on the NASA Acquisition Internet Service (NAIS)on 02/04/00. Documents related to this procurement are available over the Internet and are in Microsoft Office Suite (Word 6.0, Excel 5.0, or PowerPoint 4.0) format and reside on the World Wide Web (WWW) server which may be accessed using a WWW browser application. The Internet site, or URL, for the NASA/LaRC Business Opportunities home page is http://nais.msfc.nasa.gov/cgi-bin/EPS/bizops.cgi?gr=CL&pin=23 Posted 02/18/00 (D-SN426839). (0049)

Loren Data Corp. http://www.ld.com (SYN# 0210 20000223\66-0006.SOL)