NASA/Goddard Space Flight Center, Code 219, Greenbelt, MD 20771

66 -- VACUUM TEST CHAMBER SOL RFQ915-80107-921 DUE 083198 POC Maria L. Westman, Contract Specialist, Phone (301) 614-5608, Fax (301) 614-5619, Email Maria.L.Westman.1@gsfc.nasa.gov -- Deborah A. Bittner, Contract Specialist, Phone (301) 614-5609, Fax (301) 614-5619, Email Deborah.A.Bittner.1@gsfc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/GSFC/date.html#RFQ915-80107-921. E-MAIL: Maria L. Westman, Maria.L.Westman.1@gsfc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 2 TO THE COMBINED SYNOPSIS/RFQ FOR the Vacuum Test Chamber. 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 clarify specifications. In particular, this amendment clarifies the following statement from amendment no. 1: "The Top Hat and Extension portions have to same diameter as the collar section...pumped out." The Collar and Extension portions are the same diameter where they meet at a wheeler flange. The flange and chamber at this junction will have a minimum diameter of 40.0 inches as shown on the drawing. The Hat portion of the chamber then attaches to the top of the Extension section at a smaller wheeler flange. The flange and chamber at this junction will have a minimum diameter of 24.5 inches as shown on the drawing. The smaller wheeler flange is offset from the center of the larger diameter by 7.17inches as shown on the drawing. The due date for receipt of offers is not extended. Companies shall provide the information stated in the synopsis/RFQ posted on the NASA Acquisition Internet Service (NAIS) on 07/15/98. The WWW address or URL of the NASA/GSFC Business Opportunities home page is http://procurement.nasa.gov/EPS/GSFC/class.html. Posted 08/24/98 (D-SN241133). (0236)

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