DA, Tulsa District, Corps of Engineers, 1645 South 101st East Avenue, Attn: CESWT-CT, Tulsa, OK 74128-4609

Y -- RAMP & AIRFIELD LIGHTING/AIR TRAFFIC CONTROL TOWER. ALTUS AIR FORCE BASE, OKLAHOMA SOL DACA56-99-B-0034 DUE 082699 POC Susan Killgore, Contracting Division, 918-669-7270; Technical contact, Lisa Samilton, 918-669-7154 Construct an eleven level, 710 SM control tower of precast concrete panels, with an optional brick exterior, over metal framing channels with rigid insulation and gypsum board interior walls. The foundation will be pier and grade beam supporting a structural system of precast concrete beams and slab. The roof consists of a modified bitumen product laid over rigid insulation and metal decking. Ceilings in administrative areas will be lay-in acoustical tiles. Floors will be vinyl composition tiles, carpeting or sealed concrete. The HVAC will be two 88kw air-cooled chillers with electric resistance heating. Reheat will be used for dehumidification. Primary electrical service shall be 12,470 volt. Secondary power will be 500 KVA, 120/208 V, 3-phase, 60Hz. A 250 KW generator with a 1000-gallon fuel tank will be required. Demolish existing tower. Construct 41, 100-ft high concrete poles for ramp lighting, with lowering devices. Work includes 12 loop-fed, single phase, oil filled, pad mounted, 50 KVA transformers with associated boring and trenching. Removal of existing medium voltage service and associated equipment for the lighting vault and replacing it with 12,470 V service. Provide 300 KVA, 12,470/480, 3-phase, dry type, pad mounted transformer in NEMA 3R enclosure. Provide two, 480/2400, dry type single phase, wall mounted transformers for strobe lighting. Replace generator set and auto transfer switch. Remove day tank from generator room. Replace existing mechanical runway lighting control system with touch screen industrial grade programmable system. Runway lighting system must remain operational except for short, scheduled periods. Estimated cost range of this project is $5,000,000 to $10,000,000. Plan and specifications will be available on or about July 27, 1999, and will be provided on Compact Disks (CD-ROMS). IT HAS BEEN DETERMINED THAT THE NUMBER OF CD-ROMS WILL BE LIMITED TO ONE (1) PER FIRM. Plans and specifications will not be provided in a printed hard copy format. Requests for plans and specifications MUST BE MADE IN WRITING to the Tulsa District, Corps of Engineers, 1645 S. 101st East Ave, Tulsa, OK 74128-4609; by fax at 918-669-7495; or via our home page. No phone calls to order please. All orders will be mailed via first class mail. Requests for special handling (Fed-X, etc.) will not be honored. Contracting information (current solicitations, bid results, and contract awards) is available on the Tulsa District home page at www.swt.usace.army.mil. You may also register to receive solicitation documents and view Planholders Lists via the home page. Posted 07/02/99 (W-SN349991). (0183)

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