NASA/George C. Marshall Space Flight Center, Procurement Office, Marshall Space Flight Center, AL 35812

48 -- CRYOGENIC VALVES SOL 8-P-7-02-B6622 POC Janice M. Stewart, Contract Specialist, Phone (205) 544-6093, Fax (205) 544-9080, Email janice.stewart@msfc.nasa.gov -- Teresa A. Foley, Contracting Officer, Phone (205) 544-0335, Fax (205) 544-9080, Email teresa.foley@msfc.nasa.gov WEB: Click here for the latest information about this notice, http://procurement.nasa.gov/EPS/MSFC/date.html#8-P-7-02-B6622. E-MAIL: Janice M. Stewart, janice.stewart@msfc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. 2 TO THE COMBINED Synopsis/RFO FOR CRYOGENIC VALVES SUPPLEMENTED WITH ADDITIONAL INFORMATION CONTAINED IN THIS NOTICE. Companies shall acknowledge all amendment(s) in their offer. This notice serves as the official amendment to the subject solicitation and a written amendment will not be issued. The purpose of this amendment is to provide an official response to questions received. 1. QUESTION: Is flange pressure class (140)? ANSWER: 140# ASA raced face flanges. 2. QUESTION: Is equal percentage plug required? Can semi-throttling plug be used? ANSWER: Yes, as stated, equal percentage plug is required. A semi-throttling valve is not acceptable. 3. QUESTION: Must the valve be "Y" pattern? ANSWER: Yes, it must be "Y" pattern 4. QUESTION: Is double acting cylinder actuator with 1509 PSIG? ANSWER: Yes, double acting cylinder actuator with 1509 PSIG. 5. QUESTION: Is limit switches 2 or 4 ea. ANSWER: Valve must be equipped with 2 explosion proof limit switches. The due date for receipt of offers is not extended. This procurement is a total small business set-aside. Offers shall provide the information stated in the synopsis/RFO posted on the NASA Acquisition Internet Service (NAIS) and published in the CBD on November 5, 1997. Documents related to this solicitation will be available over the Internet. The WWW address or URL of the NASA/MSFC Business Opportunities home page is http://procurement.nasa.gov/EPS/MSFC/class.html. (0322)

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