Gemini 8-m Telescopes Project, AURA, 950 N Cherry Ave, PO Box 26732, Tucson, Arizona 85726-6732

36 -- FABRICATION OF STEEL TELESCOPE COMPONENTS SOL 8101074. Due 082196. Contact Point, Gorden Pentland (520) 318-8555, Contracts Administrator, Andrew Flach, (520) 318-8537. The Gemini Telescopes Project is seeking qualified firms to fabricate several steel assemblies for use in the two Gemini telescopes. This work will consist of the following: (a) Two Mirror Covers, which are large steel frame structures (8m x 8m x 0.5m) weighing 3 tons each, comprised of many built up sections and flanged bolted connections; (b) Four Altitude Cable Wraps, which are fabricated steel structures (2m x 2m x 2m) weighing 1 ton each, comprised of a rolled steel drum supported on bearings and mounted between two vertical end plates; (c) Two Azimuth Cable Wraps which are fabricated steel circular frames (6m diameter 2m high) comprised of many bolted and welded components made by rolling standard structural steel shapes, floor sections fabricated from standard tread plate; (d) Two Mirror Carts, which are large fabricated steel structures (5m x 5m x 2.5m) weighing 15 tons each, comprised of two interconnecting fabricated steel frames, with many bolted and welded connections; and (e) Two Seismic Bracket Assemblies, which are comprised of four steel fabricated brackets (1m x 0.5m) with connecting plates. (Note: All dimensions and weights are approximate.) The work will also include machining of some fabricated components, attachment face clean up, machine positioned drilling, etc. Many small plated steel precision components, blocks, pins, etc are required. The Gemini 8-m Telescopes Project is an international collaboration to build two 8-meter telescopes one to be located on Mauna Kea in Hawaii, the other to be located on Cerro Pachon in Chile. The Gemini project partners include the USA, United Kingdom, Canada, Argentina, Brazil and Chile. The Gemini project is operated by the Association of Universities for Research in Astronomy (AURA) under contract to the National Science Foundation. Companies who are interested in receiving the Invitation for Bid for this procurement should send a letter of interest by August 21, 1996, to the address below: Gemini 8-m Telescopes Project, 950 North Cherry Avenue, PO Box 26732, Tucson, Arizona 85726-6732, Attn: Contracts Manager, Invitation for Bid No. 8101074. (222)

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