NASA/Ames Research Center, JA:M/S 241-1, Moffett Field, CA 94035-1000

Z -- HANGAR ONE (1) ROOFING REPAIRS SOL RFQ2-36768MJM DUE 081998 POC Michael J. McIntyre, Purchasing Agent, Phone (650) 604-1364, Fax (650) 604-3772, Email mmcintyre@mail.arc.nasa.gov -- Barbara A. Drake, Contracting Officer, Phone (650) 604-3002, Fax (650) 604-4646, Email bdrake@mail.arc.nasa.gov WEB: Click here for the latest information about this notice, http://nais.nasa.gov/EPS/ARC/date.html#RFQ2-36768MJM. E-MAIL: Michael J. McIntyre, mmcintyre@mail.arc.nasa.gov. THIS NOTICE CONSTITUTES AMENDMENT NO. TWO (2) TO THE COMBINED Solicitation/RFQ FOR "HANGAR ONE (1) ROOFING REPAIRS". Companies shall acknowledge all amendment(s) in their quote. This notice serves as the official amendment to subject solicitation/RFQ and a written amendment will not be issued. The purpose of this amendment is to answer the following listed questions, and to change the scope of the statement of work as follows: 1. Question: Is the contractor required to nail down the roofing plies that are slipping prior to three (3) coursing? Answer: Yes, if the roofing plies in the working area are slipping! 2. Question: Is the contractor required to Three (3) course the entire length of expansion joint flanges? Answer: Yes! 3. Question: Can the contractor attach his own fall protection to the existing rooftop catwalk? Answer: If the contractor wishes to use the catwalk for support, the contractor shall have a structrual engineer evaluate the load capacity of the existing catwalk and submit the results along with the fall protection plan for approval by the Government. 4. Question: Does the contractor have to perform a "Full Scale" abatement when removing and replacing sections of the existing expansion joint? Answer: No. Abatement of asbestos containing roofing membrane and mastic around the expansion joint shall be in accordance with CAL-OSHA guidance on Non-friable Materials, Appendix E. An abatement plan shall be submitted and approved by the Government prior to commencement of abatement. 5. Question: Can the contractor make use of the hangar elevator to bring materials up to the roof? Answer: If the rooftop hoist is not operational by the start of the project, the elevator will be used to take materials up to the roof. Times and dates for use of the elevator shall be coordinated with the Construction Manager and shall be used for material loading/handling only. Workers shall use stairs to access the roof. SOW scope changes: a. Paragraph 2.3, Page 3 reads: "Asphalt roof cement shall contain no asbestos and shall conform to ASTM D 3019, Type III (non-asbestos)." Change to: "Elastomeric roofing cement shall contain no asbestos and shall conform to ASTM 4586, Type II, trowel grade." b. Paragraph 2.5, Page 3: Delete this paragraph in its entirety! End The due date for receipt of offers is not extended. Companies shall provide the information stated in the Solicitation/RFQ posted on the NASA Acquisition Internet Service (NAIS) on August 19, 1998. 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 WWW address or URL of the NASA/ARC Business Opportunities home page is http://procurement.nasa.gov/EPS/ARC/class.html. Posted 08/12/98 (D-SN236091). (0224)

Loren Data Corp. http://www.ld.com (SYN# 0172 19980814\Z-0023.SOL)