U.S. DEPARTMENT OF THE INTERIOR, U.S. BUREAU OF MINES-CONTRACT SECTION B, BUILDING 20 - DENVER FEDERAL CENTER, DENVER, CO 80225-0086

66 -- REPLACEMENT FURNACE CONTROL PANEL WITH DRIVES FOR ST FURNACE #53534 SOL 14320295R0013 DUE 083195 POC Contract Specialist, SHERYL L WINDS, 303-236-0257 X230 The U.S. Bureau of Mines, has a requirement to purchase a system that consists of each of the following items: 6 Furnace limit Switches, 1 Control panel (see below), 3 Drive motors permanent magnet type, 180 volt, 1 HP, totally enclosed, fan cooled, 1750 RPM, C-faced, 3 Isolation transformers, 480 to 240 V, 2 KV'a, single phase, 3 Fused disconnect switches, 30 amp, 600 volt, 3 Brakes, Dings series 60,000 model VU4-62003, 3 Cone Drive Gear Reducers Model MVO-20-30 (250:1), 3 Winch Drums/Hubs 5-1/2'' P.D. w/couplings. The Control Panel requires (36'' wide x 42'' deep x 90'' high), with rear door, to include the following: 1 Control power circuit breaker, 3 Arc voltage lamps, 3 Phase-to- neutral volt meters, 1 Polyphase powermeter with counting device and RS-232 capability, 1 Wattmeter with transducer for three phase power, 1 Varmeter with transducer for three phase reactive power, 1 Digital clock, 1 Secondary voltmeter with transfer switch, 3 Electrode ammeters, 3 Load adjust rheostats, 3 Individual electrode control switches, 1 Master electrode control switch, 1 Transformer tapchanger switch, 1 Vacuum switch control switch, 2 Line overcurrent relays, 1 Furnace alarm test pushbutton, 4 DC Controllers, 250 VAC, 1 phase, connected by Amphenol plug for quick exchange. The BOM intends to award a contract to Salem Furnace Company, P.O. Box 2222, Pittsburgh,(0198)

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