Document p2ak90G478R8e6DMo0REz0gO6

PUBLIC SERVICE COMPANY OF COLORADO ARAPAHOE STEAM ELECTRIC STATION 1950-51 88.000 KW INSTALLATION m1951 44.QQQ EXTENSION DETAIL OF MAJOR EQUIPMENT Turbine-Generator *1 N. Y. 771 General Electric Company One ASME-AIEE preferred standard hydrogen cooled c ondensing turbine generator unit consisting of the following: One 40 000 kw nominal rating, single cylinder, 3600 rpm, impulse type, condens ing turbine for a steam condition at the throttle of 850 psig, 900<>F. and an average back pressure of 2.5" Hg. The turbine capability at maximum guaranteed steam flow of 397 000 lbs/hr to throttle is 44 000 kw with 3.5" Hg. absolute back pressure, with 5 stage bleeding for feedwater heating and evaporation. One 40 000 kw nominal rating, 0.8 short circuit ratio, 3600 rpm, 3 phase, 60 cycle, 13 800 volts, hydrogen cooled generator with capability of 46 000 kw @ 0.85 power factor and 15.0 psig hydrogen pressure. One direct connected 145 kw, 250 volts main exciter with 4 kw, 250 volts pilot exciter. Necessary hydrogen control and seal oil equipment, oil coolers, recorders, regu lator, and other accessories. Turbine-Generator w2 N. Y. 772 Westinghouse Electric Corporation One ASME-AIEE preferred standard hydrogen cooled condensing turbine generator unit consisting of the following: One 40 000 kw nominal rating, single cylinder, 3600 rpm, impulse type, condens ing turbine for a steam condition at the throttle of 850 psig, 900F. and an average back pressure of 2.5" Hg. The turbine capability at maximum guaranteed steam flow of 397,000 lbs/hr to throttle is 44 000 kw with 3.5" Hg. absolute back pressure, with 5 stage bleeding for feedwater heating and evaporation. One 40 000 kw nominal rating, 0.8 short circuit ratio, 3600 rpm, 3 phase, 60 cycle, 13 800 volts, hydrogen cooled generator with capability of 46 00 kw @ 0.85 power factor and 15.0 psig hydrogen pressure. ' One direct connected 155 kw, 250 volts main exciter with 2.5 kw, 250 volts pilot exciter. Necessary hydrogen control and seal oil equipment, oil coolers, recorders, regu lator, and other accessories. Boilers #1 and *2 N. Y. 773 Babcock and Wilcox Company Two steam generating units, each capable of delivering 450 000 lbs/hr of 925 psig, 905F. steam continuously of 480 000 lb/hr of 925 psig, 905OF. steam for a four hour period when burning pulverized Colorado lignite, natural gas or a 1 WAD02262 combination of both. These steam generators are of the three drum vertical fired fired type with superheater and attemporator and imclude all necessary connecting ducts and flues. The services of an erecting superintendent are in cluded with this order. Also included with this order are the following: One set of pulverizing equipment for Boiler No. 1 consisting of four Babcock and Wilcox type E 56 mills and four table type feeders with coal piping from feeders to mills, coal air piping from mills to burners and including Bailey air opera ted feeder controllers; air heaters of tubular type with five air passes and provided with two Diamond Power Specialty Corporation straight line cleaning de vice units; tubular mechanical dust collectors with hoppers; each boiler is pro vided with two forced draft fans of Sturdevant Division of Westinghouse Electric Corporation manufacture, each driven by an Allis Chalmers 300 hp, 1160 rpm motor; each boiler is provided with two induced draft fans of Sturdevant Divi sion of Westinghouse Electric Corporation manufacture, each driven by an Allis Chalmers 700 hp, 705 rpm motor. Condenser #1 N. Y. 774 Allis Chalmers Manufacturing Company Inc. One thirty thousand sq. ft., two pass, horizontal surface condenser, 7/8" OD No. 18 gage phosphorized Admiralty tubes 26' effective length with divided water boxes and accessories as follows: Two 31 000 gpm, vertical, YDVN-B, circulating water pumps, 75' total dynamic head complete with 800 hp, 3 phase, 2300 volt motor drive and coupling. Two 350 000 lbs/hr vertical CF2-ET sump type two stage condensate pumps to handle 1150F. water at a total dynamic head of 350', complete with 100 hp, 3 phase, 440 volt motors with couplings. One twin element two stage size G22S steam jet air ejector with two primary and two secondary jets to operate at 850 lbs at 900F. This ejector is of Allis Chalmers manufacture. 115 KV Oil Circuit Breakers N. Y. 775 Westinghouse Electric Corporation Two oil circuit breakers, 800 amp, 115 kv, 60 cycle, type GM-4, "De-Ion" Grid, 3 pole, single throw, type "SAF-4" solenoid operated mechanism for 125 volt DC operation, mechanically and electrically trip free, for outdoor service. Interrupting rating 2,500,000 kva. Included with one breaker is one type "PBA" bushing potential device of Westing house Electric Corporation manufacture. Each oil circuit breaker is provided with six bushing type current transformers plus 3 extra type BYN bushing current transformers for the breaker used for generator No. 2. Deaerators Nos. 1 & 2 N. Y. 777 Worthington Pump and Machinery Corporation Two 400,000 lb/hr horizontal deaerating heaters equipped with stainless steel tubes and tube sheets, each having an oxygen guarantee of .005 cc/liter at 400,00 lb/hr, and .03 cc/liter at 527,000 lb/hr. Storage capacity is 110,000 lb each. Designed pressure 80 psig. These deaerators are complete with necessary valves, thermometers, gauges and float switches for high and low alarms. 2 WAD02263 Transformers N. Y. 778 General Electric Company Three 16 667 kva, oil insulated, self cooled, 60 cycle, outdoor, single phase main transformers, provided for future addition of- fans to increase rating to 22 500 kva. High voltage 66 675 with 4 full capacity taps, low voltage 13 200. 2400 V Switchgear N. Y. 7711 Westinghouse Electric Corporation One 2400 v metal-clad switchgear assemblage, consisting of eleven type 50-DH-100, solenoid operated, air circuit breakers and associated equipment. This switchis designated Unit 1. One 2400 v metal-clad switchgear assemblage, consisting of six type 50-DH-100, solenoid operated, air circuit breakers, standby auxiliary bus disconnecting switches and associated equipment. This switchgear is designated "Common." All units have necessary associated equipment such as 2 pole AB breakers, cell switches, current and potential transformers, and on hinged instrument panel, relays, instruments, control switches and indicating lights. Main Control Switchboard N. Y. 7712 Westinghouse Electric Corporation One tunnel type main control switchboard consisting of ten duplex panels and one swinging bracket, all complete with instruments, relays, meters, control switches, etc., and are designated as follows: Panel No. 1 for station battery and annunciators, Panel No. 2 for generator rotor temperature recorders, Panel No. 3 for Gen. stator and gas temperature recorders, Panel No. 4 for generator No. 1 control, Panel No. 5 for auxiliary power trans former No. 1, Panel No. 6 for standby auxiliary power transformer, Panel No. 7 for auxiliary power transformer No. 2, Panel No. 8 for generator No. 2 controls. Panel No. 9 for Leetsdale Transmission lines No. 1 and 2, Panel No. 10 for south terminal transmission lines No. 1 & 2, Panel #11 for frequency control and swinging bracket for synchronizing instruments. 2400 V Switchgear N. Y. 7713 Westinghouse Electric Corporation ' * One 2400 v metal-clad switchgear assemblage, consisting of 16 type 50-DH-150, solenoid operated, air circuit breakers and associated equipment. This switch gear is designated Unit No. 2 Soot Blower Air Compressors N. Y. 7714 Worthington Pump and Machinery Corporation Two 15/6 X 12 Worthington type DC-2 horizontal, duplex, two stage, double act ing, compressors with by-pass control. Each compressor is direct connected to a 150 hp, 300 rpm, 3 phase, 60 cycle, 2300 volt, Allis Chalmers synchronous motor and includes the following accessories: One motor generator set having a 5 KW generator and driven by a 7J hp, 3 phase, 60 cycle, 440 volts, 1800 rpm Allis Chalmers motor. 3 WAD02264 480 Volt Power Center No. 2 N. Y. 7715 Westinghouse Electric Corporation One 480 V power center consisting of 10 compartments including one spare and one future compartment. Installed in compartment 1 of this power center is one 1,000 kva, 3 phase, 60 cycle, 2400/480 volt, ASL dry type transformer connected delta delta. Boiler Feed Pumps N. Y. 7716 Byron Jackson Company Six 3" X 10", 9 stage, type SHB, double case Boiler Feed pumps, without motors, for operating at 3600 rpm and delivering 260 000 lbs. per hour at a temperature of 285F. against a total dynamic head of 2900 feet. Six Republic Boiler Feed Pump by-pass recirculating valves, l\i" size, 1500 lb working pressure. Six Ascove type P-39 three way Atlas solenoid valves with automatic reset. Six position indicating switches, Westinghouse type HD, double pole, double throw switches mounted on by-pass valves. Six differential pressure switches, Republic model S6314, with one normally open and one normally closed contact. Eighteen Edwards Fig. No. 3588 shut-off and equalizing valves, 1500 lbs. stan dard for use with the 6 pressure switches. Six 6" flow nozzles well type SGA-1029. Six pair No. 844-50 water fittings for the flow nozzles. All electrical control equipment is suitable for 125 V DC operation. Auxiliary Transformer N. Y. 7717 Westinghouse Electric Corporation Two 6000 kva, type OA, OISC, three phase, 60 cycle, outdoor auxiliary power transformers with provision for future addition of air blast fans to increase capacity to 8000 kva, high voltage 13 800 delta with four full capacity taps, low voltage 2400/4160 wye. 115 KV Oil Circuit Breakers Westinghouse Electric Corporation 4 N. Y. 7718 Three 800 amp, 115,000 Volt, 60 cycle, type GM-4 "De-Ion" Grid oil circuit breakers, 3 pole, single throw, type SAF-4, solenoid operated mechanism for 125 v DC operation, mechanically and electrically trip free. Interrupting rat ing 2,500,000 kva. Each breaker is provided with 6 type BYM bushing current transformers, multi ratio 600/5 amperes. Two of the breakers are provided with type PBA, style No. 1572102 bushing po tential devices and 3 additional type BYM multi-ratio bushing current transform ers. 4 WAD02265 Transformers N. Y. 7719 Westinghouse Electric Corporation Three 16 667 kva, OISC, type OA, 60 cycle, single phase main transformers with provision for future addition of air blast equipment to increase capacity to 22,250 kva, high voltage 66 675 delta with four full capacity taps, low voltage 13 800 volts delta. One 6000 kva, oil insulated self cooled, 3 phase, 60 cycle, auxiliary transform er with provision for future installation of fans to increase rating to 7500 kva. High voltage 13 800 with four full capacity taps, low voltage 2400, both sides connected delta. Condenser No. 2 N. Y. 7722 Westinghouse Electric Corporation One 30 000 sq. ft. horizontal, two pass, divided water box surface condenser, fitted with 7/8" OD No. 18 phosphorized Admiralty tubes, 26' effective length furnished by others. One twin element two stage air ejector operating with steam at 850 lbs., 900F. capable of evacuating 150 lbs/hr of air and water vapor. Two condensate pumps capable of delivering 350 000 lbs/hr of condensate at 115F. against a total dynamic head of 350' and driven by 100 hp, 1200 rpm, 3 phase, 60 cycle, 440 volt Allis Chalmers motor furnished by others. One four inch Prim ing Ejector capable of removing 275 cubic feet of free air per minute with va cuum of 18" hg. Pulverizers N. Y. 7727 Combustion Engineering Incorporated Four bowl type, size 533A pulverizers with integral exhausters; nominal capaci ty each mill 20 700 lbs. lignite per/hour, each complete with coal feeder, coal feeder mechanism, fineness regulator, flexible coupling for motor drive, one 250 hp, 1200 rpm, 3 phase, 440 volt motor for driving the pulverizer and one 1 hp, 1800 rpm, 3 phase, 440 volt motor for driving each feeder. Four sets of burner piping and ducting as follows: Coal and air pipe from pulverizers t burners including flexible connections, sampling connections, coal and air shutoff valves; coal pipe from feeder to mill; hot air duct and tempering air duct to pulverizers. Extraction Feedwater Heaters N. Y. 7728 Struthers Wells Corporation Eight extraction heaters for use with Units 1 & 2 as follows: One fourth stage high pressure heater for use with Unit 1. U bend tube, head on top, vertical heater having 1211 sq. ft. of heating surface and designed for 25.7 KB per hour heating load. One seventh stage high pressure heater for use with Unit No. 1. U bend tube, head on top, vertical type heater having 1140 sq. ft. of heating surface and designed for 23.5 KB per hour heating load. One fifteenth stage intermediate pressure heater for use with Unit No. 1 U bend tube, head on top, vertical type heater having 1014 sq. ft. of heating surface and designed for 21,6 KB per hour heating load. 5 WAD02266 One eighteenth stage low pressure heater for use with Unit No. 1. This heater is mounted horizontally in the condenser exhaust connection and has 1214 sq. ft. of heating surface and designed for 17.16 KB per hour heating load. One seventh stage high pressure heater for use with Unit No. 2. U bend tube, head on top, vertical type heater having 1211 sq. ft. of heating surface and designed for 25.7 KB per hour heating load. One fifteenth stage high pressure heater for use with Unit No. 2. U bend tube, head on top, vertical type heater having 1140 sq. ft. of heating surface and de signed for 23.5 KB per hour heating load. One twenty-sixth stage intermediate pressure heater for use with Unit No. 2. U bend tube, head on top, vertical type heater having 1014 sq. ft. of heating surface and designed for 21.6 KB per hour heating load. One twenty-ninth stage low pressure heater for use with Unit No. 2. This heater is mounted horizontally in the condenser exhaust connection and has 1214 sq. ft. of heating surface and designed for 17.16 KB per hour heating load. The fifth extraction stage on each of Units 1 & 2 turbine-generators is blanked off. Evaporators N. Y. 7730 Griscom-Russell Company Two No. 126-A-240 G-R horizontal J-2, bent tube, submerged type, removable two bundle pattern evaporators, each having 650 sq. ft. of heating surface and de signed for 13,500 lbs. per hour net vapor output. Each evaporator includes a Worthington vertical, tray, open type deaerating pre heater and vent condenser, 20000 lbs/hr. 480 V Power Center Unit No. 1 N. Y. 7732 Westinghouse Electric Corporation One 480 V, indoor type power center designated 1-A, consisting of the following: One 10 compartment metal-clad switchgear including one spare compartment. In compartment No. 1 is one 1000 kva, 3 phase, 60 cycle, 2400/480 volts, type ASL, dry type transformer connected delta delta. One 480 volt, indoor type power center designated 1-B consisting of the follow ing: One 10 compartment metal-clad switchgear including one spare compartment. Installed in compartment 10 is one 1000 kva, 3 phase, 60 cycle, 2400/480 volts, type ASL, dry type transformer connected delta delta. One 480 V, indoor power center designate^ "Common" for use with both units 1 & 2 consisting of the following: One 6 compartment 480 volt metal-clad switchgear. In compartment No. 1 is one 1000 kva, 3 phase, 60 cycle, 2400/480 volts, type ASL, dry type transformer connected delta delta. All of the metal-clad units for motor operation contain a type DB-25, 3 pole, single throw, air circuit breaker and necessary ammeters, voltmeters, current transformers, pot transformers, etc., for operation of each motor circuit. 480 Volt Control Centers N. Y. 7733 Westinghouse Electric Corporation Seven items of 480 volt metal-clad control centers as follows: 6 WAD02267 One 13 compartment 480 volt control center designated 1-A. One 13 " tt 11 11 M 11 1--B One 21 " """ " " Common. One 35 " """ " " for ventilation Unit 1-2. One 8 " """ " " for motoroperatedvalves, One 12 compartment (in two sections ) 125 volt DC control center for DC motor operated valves. ' One 16 compartment 480 volt control center designated for pump house motor con trols. Each of the control center compartments contains a combination line starter type similar to Westinghouse class 11-216 or 11-206, and AB circuit breaker with thermal time limit overload and instantaneous short circuit protection. Miscellaneous Remote mounted Equipment, such as pushbuttons, indicating lamps, alarms, etc., are provided for external portions of the circuits. 480 Volt Control Centers N. Y. 7734 Westinghouse Electric Corporation Two items of 480 volt metal-clad control centers for use with Unit No. 2 as follows: One 12 compartment 480 volt control center designated 2-A. One 14 " ...................... " " 2-B. Each of the compartments in these control centers are provided with a combina tion line starter type similar to Westinghouse class 11-216 or 11-206 and an AB circuit breaker with thermal inverse time limit overload and instantaneous short circuit protection. Cooling Tower Power Center N. Y. 7735 Westinghouse Electric Corporation One 480 volt cooling tower power center designated No. 1 consisting of the fol lowing: One 5 compartment 480 volt metal-clad control center for outdoor service. The fifth compartment is provided with a 10 kva lighting transformer and a Westing house "A2B-2" control panel board for controlling the lights on and around the cooling towers. One 4 compartment 480 volt metal-clad control center designated No. 2. Each power center is provided with one 500 kva, OISC, three phase, 60 cycle, 2400/480 volts transformer connected delta delta. Each transformer is throat connected to each power center and is designed for outdoor service. Coal Handling Power Center N. Y. 7736 Westinghouse Electric Corporation One 24 compartment, 480 volt, metal-clad power center for coal handling equip ment. One 500 kva, OISC, three phase, 60 cycle, 2400/480 volts, delta delta connected transformer. This transformer islocated outside the crusher house, but is throad connected to the power center located inside the crusher house. Mounted in the power center compartments are combination line starters of vari ous sizes similar to Westinghouse class ll-21y or 11-206 with AB circuit break ers with thermal inverse time limit overload and instantaneous short circuit protection. Also mounted in this power center is a 10 circuit lighting panel 7 WAD02268 and one 10 kva lighting transformer for control of the lights in and on the crusher house. Lubricating Oil Filtering and Storage System N. Y. 7737 Bowser, Incorporated - Two turbine oil conditioning systems, one each for General Electric turbine No. 1 and Westinghouse Turbine No. 2, consisting of the following: Two No. 3 Bowser Figure 832-P turbine oil conditioners with precipitation com partment, automatic water ejector, removable filter units, two figure 836-10 cellulose polishing filters, vent fan for moisture removal from all compartments and all necessary gauges, thermometers, etc. Filtering capacity 540 gal. per hour. Two 8 GPM Bowser figure 841-A positive displacement rotary oil pump direct con nected to a one hp, 3 phase, 60 cycle, 440 volt, 850 rpm motor. One special 825-2 Bowser site overflow fitting for use with Unit No. 1 condi tioner. One 2" figure 55-A double window flow sight for use with Unit No. 2 conditioner. One 7000 gallon, 2 compartment. Bowser figure 363 oil storage tank. Each com partment has a capacity of 3500 gallons and is provided with necessary bolted covers, oil level gauges, and pipe connections. One 50 GPM Bowser 1J X positive displacement rotary oil transfer pump direct connected to a three hp, 3 phase, 60 cycle, 440 volt, 1750 rpm motor. The above storage tank and transfer pump are for use with both units 1 & 2. Cooling Tower N. Y. 7738 The Marley Company Incorporated One Marley cooling tower, wood filled, induced draft, double flow type, overall size 63' x 193' x 39', capacity 62 000 gpm. Tower to have 8 cells, with each cell having one 20" water inlet, one 240" diameter fan with capacity of 635 000 cfm driven through a reduction gear by a 60/15 hp, 3 phase, 60 cycle, 1760/870 rpm, 440 volt motor which is furnished by others and is not a part of this or der. Diesel Electric Locomotive N. Y. 7739 General Electric Company One 45 ton, 4 axle, 300 hp, standard gauge, diesel electric locomotive equipped with the following: Two Cumins Diesel engines HBI-600, two traction motors, GE-733, two traction generators GT-1503, two auxiliary generators 2023-G (Leece-Neville) control single station-single unit, air brake 14EL independent and automatic. Miscellaneous Pumps N. Y. 7742 Worthington Pump & Machinery Corporation Four high pressure drain pumps, type 2HL-10, each having a capacity of 150 GPM of 2750F water against a total dynamic head of 70 feet, driven by a 5 hp, 60 cycle, 440 volt, 3 phase, 1800 rpm motor furnished by others. 8 WAD02269 Four low pressure heater drain pumps, type 2UC-1, each having a capacity of 92 GPM of 173F water against a total dynamic head of 350 feet, each driven by a 20 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm motor furnished by others. Two condensate transfer pumps, type 2&-CNE-82, each having a capacity of 300 GPM of 100F water against a total dynamic head of 275' and driven by a 40 hp, 3 phase, 60 cycle, 440 volt, 3600 rpm motor, furnished by others. Two service water pumps type 12 QHE-2 vertical turbine, each having a capacity of 2000 gpm at 100 feet head of cold water, and driven by a 75 hp, 3 phase, 60 cycle, 440 volts, 1750 rpm motor furnished by others. Two evaporator feed pumps type l)-CNE-62, single stage, single suction, volute, each pump having capacity of 65 gpm, of 50 to 75F water with 55' suction head against a total dynamic head of 150', and driven by a 5 hp, 3 phase, 60 cycle, 440 volt, 3450 rpm motor furnished by others. Station Crane N. Y. 7748 Manning, Maxwell and Moore One Shaw box type "S" four motor indoor traveling electrically operated crane with main hoist capacity of100 tons and auxiliary hoistcapacity of ten tons. The main hoist has 16 parts to itscable and theauxiliary hoisthas four parts to its cable. All motors are wound rotor type for variable speeds and of capa cities as follows: Main hoist 50 hp, auxiliary hoist 20 hp, trolley travel 20 hp, bridge travel 40 hp, all operating at 440 volts, 3 phase, 60 cycle. Water Softening Equipment N. Y. 7759 The Permutit Company Two Permutit 60 gpm sodium zeolite water softening units complete with valves and piping, salt storage tank and brine measuring tank. Station Battery N. Y. 7762 The Electric Storage Battery Company One storage battery 60 cell, Tytex type, positive plates, style ECE29, catalogue No. 33972, 560 ampere hours, 8 hour capacity, complete with rack sections, cata logue number 37312 and 37313, necessary intercall connectors, cell numbers, hy drometer syringe, thermometer, and connector wrenches. Circulating Water Treating Equipment N. Y. 7763 Wallace and Tiernan Products Inc. One Wallace and Tiernan semi-automatic solution feed vacuum chlorinator, type A-586, with a capacity of 2000 lbs. per 24 hours for chlorinating a flow of 62,000 gpm. Equipment is complete with injector valves pilot operating chlorine pressure valves, rubber lined valves and piping and program electrically oper ated control panel. 9 WAD02270 Ash Handling Equipment N. Y. 7766 United Conveyor Corporation Two Ash Pit Hoppers and Accessories consisting of the following: Two 24 x 24" hydraulic cylinder operated vertical lifting doors, 14 water jet nozzles, two 20" eccentric clinker crushers driven by two 3 hp electro-fluid gear motors, two molded D refractory cement linings for 2 ash pit hoppers and all necessary internal piping & lighting for these hoppers. Also necessary 8" pipe, jet pulsion pumps, sluice gates, hydroveyor exhausters, air separa tors, 5" fly ash conveyor pipe, pipe fittings, & control panel board for com plete fly ash collecting & sluicing system for two boilers. Coal Handling Equipment N. Y. 7768 Webster Manufacturing Inc. One coal handling and preparation system consisting of the following: One apron feeder No. 1-A, 48" wide by 13' long having a capacity of 100 tons per hour. One apron feeder No. 1-C, 48" wide by 13' long having a capacity of 100 tons per hour. One reciprocating feeder No. 1-B, 48" wide by 6'7" long having a capacity of 300 tons per hour. One reciprocating feeder No. 1-E, 48" wide by 6*7" long having a capacity of 300,tons per hour. One conveyor No. 2-A, 42" wide belt conveyor 210' between center, present ca pacity 300 tons per hour, future capacity 600 tons per hour at increased speed. One conveyor No. 3, 36" wide belt conveyor 330' between centers, present capa city 300 tons per hour, future capacity 600 tons per hour at increased speed. One conveyor No. 4, 36" wide reversible shuttle belt conveyor, 114'6" between center, present capacity 300 tons per hour, future capacity 600 tons per hour at increased speed. Two wing belt conveyors Nos. 4A and 4B, 36" wide reversi ble belt conveyors, 17*10%" between centers. Present capacity of each 300 tons per hour, future capacity of each 600 tons per hour at increased speed. One conveyor No. 5, 36" wide reversible belt conveyor, 150' between centers, present capacity 300 tons per hour, future capacity 600 tons per hour at in creased speed. This conveyor is for conveying coal to two outside storage areas. One steel structure designated crusher house for housing the following equip ment: One 48" diameter 43" face magnetic head pulley assembly for head of conveyor belt No. 2-A. One Pennsylvania crusher size TK-11-38, slow speed granulator, capacity 300 tons per hour of 8" by 0" coal crushed to 1%" by 0" product. One Robins single deck vibrating screen model 72 by 168, style C-ll, capacity 300 tons per hour, driven by a 10 hp, 1740 rpm, 3 phase, 60 cycle, 440 volt motor furnished by others. Necessary chutes, dampers and guides for conveying the coal from the top of the crusher house to the bottom where it is discharged onto conveyor belt No. 3. All motors driving this equipment are furnished by others. 10 WAD02271 Sulphuric Acid Feeding Equipment N. Y. 7769 Permutit Company One sulphuric acid feeding equipment for the circulating water system consisting of the following: ~ Two Milton Roy Type AMD-1-22-48 (special) pumps, each having a capacity of 8.7 GPH concentrated sulphuric acid and pumping against a discharge head of 50 psi. One 4" diameter by 4' long rubber lined baffled mixing chamber and one Carpen ter No. 20 stainless steel acid diffuser. One Japsco Model 903 all stainless steel self-priming impeller pump for sampling purposes, having a capacity of 1.8 GPM against a total head of 50', driven by an Allis Chalmers hp totally enclosed motor, operating on 440 volts, 3 phase, 60 cycle current at 1750 rpm. One standard Leeds and Northrup panel 24" wide by 72" high on which are mounted and wired one Leeds and Northrup Model 1 "S" continuous strip chart micromax pH indicating and recording controller, one micromax electric controlled relay and automatic droop corrector unit, one 11 pole transfer switch double throw, fixed position, non-spring return for switching pH control from acid pump No. 1 to acid pump No. 2. One Leeds and Northrup pH cell complete with reference electrode, glass elec trode, solution, spare reference electrode, spare glass electrode and acces sories. Sufficient lead lined steel pipe and fittings for connecting the rubber lined baffled mixing chamber to the acid diffuser distributor in the circulating water tunnel. Boiler and Turbine Gage Boards N. Y. 7770 Bailey Meter Company Two main boiler instrument and control panels QXA-X, each 21'7" long by 8'6" high by 5' deep without top enclosure but with end enclosures with doors. Instruments for the operation and control of the boilers and their auxiliaries are mounted on these boards. One boiler common control panel type QFA-X, 7' wide by 8'6" high by 5* deep installed between the two boiler gauge boards and upon which are mounted those instruments common to both Boilers 1 and 2. One pump house control panel type QFA-X, 3'6" wide by 8'6" high by 3' deep upon which are mounted the instruments and controls for the service water pumps in the pump house and the river well and shallow well pumps outside the pump house. Two turbine instrument and control panels type QFA-X, each 19'8" long by 8'6" high by 5' deep, without top but with two end doors and upon which are mounted the controls and instruments of the turbo-generator units and their auxiliaries. Instruments and controls for the conbustion control system and the feed water control system are also included in this order. Control and Station Air Compressors N. Y. 77101 Gardner Denver Company Each compressor is complete with Gardner Denver Class HD-7A duo-matic control panel, V belt drive with belts and motor sheave, combination intake filter and silencer. Two model D102 clean air after-coolers, each complete with moisture and air 11 WAD02272 separator, safety valves, pressure gauges, site flow indicator and necessary valves and piping. Each after-cooler is capable of cooling a maximum of 150 cfm free air at 90 psi to within 15F of the temperature of the incoming cool ing water. One model WBQ 6' x 4-3/4" x 5", two stage, vertical, water cooled air compres sor complete with combination filter intake silencer, tubular inter-cooler, suction unloading valves, Gardner Denver class HD-7A duomatic control panel, V belt drive including belts and motor sheave necessary piping and valves. One model B-134 clean air after-cooler complete with moisture and oil separa tor, safety valve, pressure gauge, site flow indicator, and necessary pipe and fittings. The after-cooler has a capacity to coll 240 cfm free air at 100 psi to within 15F of the temperature of the incoming cooling water. Three 36" diameter by 8' high, vertical, ASME National Board Air receiver tanks for 125 psi working pressure complete with'necessary safety valve, pressure gauges and fittings. Miscellaneous Vertical Pumps N. Y. 77102 Layne-Western Company Two Layne and Bowler Inc. No. 12 RKHC, vertical, single stage river well pumps, each having a capacity of 1000 gpm, 32 to 70F river water against a total dyna mic head of 55' . Each pump is driven by a 20 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm, vertical hollow shaft General Electric Motor for outdoor service. One Layne and Bowler Inc. No. 12 RKMC, vertical, two stage shallow well pump No. 1 having a capacity of 850 gpm, 40 to 60F well water against a total dyna mic head of 95' and driven by a 30 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm, vertical hollow shaft, totally enclosed, fan cooled General Electric Motor. One Layne and Bowler Inc. No. 12 RKLC vertical, single stage shallow well pump No. 2 having a capacity of 700 rpm, 40 to 60F well water against a total dyna mic head of 50' and driven by a 15 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm, vertical, hollow shaft, totally enclosed, fan cooled General Electric Motor. Two Layne and Bowler Inc. No. 12 WMC, 7 stage, vertical turbine type ash water pumps, each having a capacity of 1000 gpm sandy cold water against a total dyna mic head of 340 feet and driven by a 100 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm, vertical, hollow shaft, drip proof General Electric Motor. Transformer Fire Protection N. Y. 77118 Grinnell Company Incorporated One fire protection system of the fog spray type for two main power transformer banks (each consisting of 3 single phase transformers) and three 3 phase auxili ary transformers. This system is a completely automatic dry type with alarms and resets. Intrasite Communication System N. Y. 77121 Automatic Electric Sales Corporation One intrasite telephone system consisting of a PAX type automatic telephone switchboard and dial type outlying telephones, a code calling machine of the fully automatic type, selective thru dial at each telephone and code call single stroke bells. This system has an ultimate capacity of 50 telephone lines and seven conversation channels. However, at the present time, only 26 telephones 12 WAD02273 and 5 conversation channels are in service, with 23 call bells located at stra tegic points throughout the plant. The system works on a 24 volt DC battery contained within the equipment. How ever, the call bells operate on 125 volts DC supplied by the station battery. Operation of these call bells are accomplished through relays connected to the 24 volt DC system. Passenger Elevator N. Y. 77162 Otis Elevator Company One passenger elevator platform size 6'4" by 7'3", 4000 lbs. capacity, 100' per minute travel, and controlled by car switch which must be held manually during operation. The elevator is raised and lowered by a 15 hp, 440 volt, 3 phase, 60 cycle, 900 rpm type 5 AC motor. Fire Pumps N. Y. 77165 Worthington Pump and Machinery Corporation One 6L-3 Worthington horizontal, single stage, double suction, volute centrifu gal pump having a capacity of 2000 gpm water against a total dynamic head of 116' and driven by a 75 hp, 3 phase, 60 cycle, 440 volt, 1800 rpm, squirrel cage induction Allis-Chalmers motor. Vacuum Cleaning System N. Y. 77200 Allen Billmyer Division of Larason Corporation One exhauster, Lamson Billmyer No. E-7, heavy duty cast iron, multistage cen trifugal exhauster driven by a 20 hp, 3 phase, 60 cycle, 440 volt, 3600 rpm ballbearing totally enclosed Allis Chalmers motor. One 38" primary separator having a dust capacity of 36.4 cubic feet and one 38" secondary separator having a dust storage capacity of 7.8 cubic feet. Necessary pipe and fittings for making connections between pieces of equipment. This vacuum cleaning equipment has a capacity to satisfactorily operate six 1J" or three 2" hose lines simultaneously. 34 self closing inlet valves are located at strategic points throughout the plant. Turbine-Generator tt3 N. Y. 77401 General Electric Company One ASME-AIEE preferred standard hydrogen cooled condensing turbine generator unit consisting of the following; One 40 000 Kw nominal rating, two cylinder, 3600 rpm, tandem compound, impulse type, condensing turbine for a steam condition at the throttle of 850 psig, 900F and an average back pressure of 2.5" Hg. The turbine capability at maxi mum guaranteed steam flow of 397 000 lbs/hr to throttle is 44 000 KW with 3.5" Hg. absolute back pressure with 5 stage bleeding for feedwater heating and evaporation. One 40 000 KW nominal rating, 0.8 short circuit ratio, 3600 rpm, 3 phase, 60 cycle, 13 800 volts, hydrogen cooled generator with capability of 46 000 KW @ 0.85 power factor and 15.0 psig hydrogen pressure. 13 WAD02274 One direct connected 145 KW, 250 volts main exciter with one direct connected 4 KW, 250 volts pilot exciter. Necessary hydrogen control and seal oil equipment, oil coolers, recorders, regu lator, and other accessories.- Boiler *3 N. Y. 77402 The Babcock and Wilcox Company One steam generating unit capable of delivering 450 000 lbs/hr of 925 psig, 905F steam continuously or 480 000 lbs/hr of 925 psig, 905F steam for a four hour period when burning pulverized Colorado lignite, natural gas, or a combi nation of both. This steam generator is of the three drum vertical fired type with super heater and attemporator and including all necessary connecting ducts and flues. The services of an erecting superintendent are included with this order. Also included are the following: One set of pulverizing equipment consisting of four Babcock and Wilcox type E-56 mills and four table type feeders with coal piping from feeders to mills, coal air piping from mills to burners and Bailey air operated feeder controllers; air heater of tubular type with five air passes and provided with two Diamond Power Specialty Corporation straight line cleaning device units; tubular mechani cal dust collector with hoppers; two forced draft fans of Sturdevant Division of the Westinghouse Electric Corporation manufacture, each driven by an Allis Chalmers 300 hp, 3 phase, 60 cycle, 2300 volt, 1160 rpm splash proof motor; two induced draft fans of Sturdevant Division of Westinghouse Electric Corporation manufacture, each driven by an Allis Chalmers 700 hp, 3 phase, 60 cycle, 2300 volt, 700 rpm motor. Boiler Feed Pumps N. Y. 77403 Byron Jackson Company Three 3" by 10", 9 stage, type HSB, double case Boiler Feed pumps capable of delivering 260 000 lbs/hr of condensate at a temperature of 285F against a total dynamic head of 2725', each driven by an Allis Chalmers 600 hp, 3 phase, 60 cycle, 2300 volt, 3600 rpm splash proof motor furnished by others. Three Republic Boiler Feed Pump by-pass recirculating valves, size 1%", 1500 psi complete with all necessary valves, solenoids, equalizing valves, pressure switches, position indicating switches, flow nozzles, and fittings for complete automatic operation of the by-pass recirculating valves. All electrically controlled equipment is suitable for 125 volts dc operation. Condenser 3 N. Y. 77404 Allis Chalmers Manufacturing Company One 30 000 sq. ft., 2 pass, divided water box, horizontal surface condenser, with 7/8"00 No. 18 gauge phosphorized admiralty tubes 26' - 0" effective length and accessories as follows: One twin element two stage size G22 S steam jet air ejector with two primary and two secondary jets to operate at 850 psig at 900F Steam. This ejector is capa ble of evacuating 45 lbs. per hour of dry air with design back pressure of 1" Hg. 14 WAD02275 One 31000 GPM 48" by 36" type YDBVFM circulating water pump delivering against a total dynamic head of 75' with3' flooded suction, driven by an 800 hp, 3 phase, 60 cycle, 2300 volt, 580 rpm vertical type Allis Chalmers motor. Two 350 000 lb/hr vertical, 10 x 4 type CF-2vt, 2 stage sump type condensate pumps to handle 115F condensate against a total dynamic head of 350', each driven by a 100 hp, 440 volt, 3 phase, 60 cycle, 1750 rpm Allis Chalmers ver tical type motor. Transformers N. Y. 77405 General Electric Company Three 16 667 kva, OISC, single phase, 60 cycle, main transformers provided for future addition of fans to increase rating to 22 500 kva. High voltage 66 675 wye with four full capacity taps, low voltage 13,200 delta. One 6000 kva, OISC, 3 phase, 60 cycle, auxiliary transformer with provision for future installation of fans to increase rating to 7500 kva. High 13 800 with four full capacity taps, low voltage 2400, both sides connected delta. Evaporator N. Y. 77414 The Griscom-Russell Company One No. 126-A240 horizontal J-2, bent tube, submerged type, removable two bun dle pattern evaporator having 650 sq. ft. of heating surface and designed for 13 500 lbs/hr net vapor output. Evaporator includes a Worthington vertical tray type deaerating pre-heater and vent condenser capable of deaerating 20 000 lbs. per hour. Ash Handling Equipment N. Y. 77415 United Conveyor Corporation One ash pit hopper and accessories consisting of the following equipment: One 3/8" steel plate ash hopper with molded D refractory cement linings and all necessary internal piping & lighting for this hopper; One 24" x 24" hydraulic cylinder operated vertical lifting door, 7 water jet nozzles, one 20" eccentric clinker crusher driven by a 3 hp, 3 phase, 60 cycle, 440 volt, electro fluid gear motor; also necessary 8"pipe, jet pulson pumps, sluice gates, hydroveyor exhauster, air separators, 5" fly ashconveyor pipe, pipefittings, and control panel board for complete fly ash collecting & sluicing system for one boiler. 115 kv Oil Circuit Breakers N. Y. 77416 Westinghouse Electric Corporation Three oil circuit breakers, 115 kv, 800 amp., 60 cycle, type Gm-4, "De-ion" grid, 3 pole, single throw, with type SAF-4 solenoid operated mechanism for 125 volt dc operation, mechanically and electrically trip free mechanism, floor mounted for outdoor service. The interrupting rating is 2 500 000 kva. Two of these breakers are provided with 9 multi-ratio type BYM bushing current trans formers each and one oil circuit breaker is provided with only 6 of these bush ing current transformers. One oil circuit breaker used as Leetsdale No. 2 line breaker is provided with one type PBA bushing potential device of Westinghouse manufacture. 15 WAD02276 2400 Volt Switchgear N. Y. 77417 Westinghouse Electric Corporation One 12 compartment 2400 volt metal-clad switchgear assemblage consisting of twelve type 50-DH-150 air circuit breakers, two rated at 2000 amp. and 10 rated at 600 amp., circuit breakers are solenoid operated on 125 volt dc. All units have necessary associated equipment such as 2 pole AB breakers, cell switches, current and potential transformers, and on hinged instrument panel, relays, in struments, control switches and indicating lights. This switch gear assemblage is designated No. 3. 480 Volt Power Centers Unit ff3 N. Y. 77418 Westinghouse Electric Corporation One 480 volt indoor type power center designated 3-A consisting of the following: One 6 compartment metal-clad switchgear which includes one future compartment. In Compartment No. 1 is one 1000 kva, three phase, 60 cycle, 2400/480 volt, A5L dry type transformer connected delta delta. One 480 volt indoor type power center designated 3-B consisting of the follow ing: One 5 compartment metal-clad switchgear including two spare compartments. In compartment No. 1 is one 1000 kva, 3 phase, 60 cycle, 2400/480 volts, ASL dry type transformer connected delta delta. All of the compartments for motor operation contain a type DB-50 or DB-25, 3 pole, single throw, air circuit breaker and necessary ammeters, voltmeters, cur rent and potential transformers, etc., for operation of each motor circuit. Cooling Tower Power Center N. Y. 77419 Westinghouse Electric Corporation One 480 volt cooling tower power center designated No. 3 consisting of the fol lowing: One 5 compartment, 480 volt metal-clad control center for outdoor service. In compartment No. 5 is mounted one 15 kva 480/120' volt, 1 phase, 60 cycle, dry type air cooled lighting transformer. Also in this same compartment is mounted a 12 circuit lighting panel board for control of lights on and around the cool ing tower No. 3. One 500 kva, OISC, 3 phase, 60 cycle, 2400/480 volt, delta connected transform er is provided with throat connection to the power center. Lubricating Oil Filtering System N. Y. 77421 Bowser, Incorporated One turbine oil conditioning system for General Electric Turbine No. 3 consist ing of the following: One No. 3 Bowser figure 832-P turbine oil conditioner with precipitation com partment, automatic water ejector, removable filter units, two figure 836-10 cellulose polishing filters, vent fan for moisture removal from all compart ments and all necessary gauges, thermometers, etc. Filtering capacity of the 16 WAD02277 system is 540 gallons per hour. One 8 GPM Bowser figure 841-A positive displacement roto-filter oil pump direct connected to a 1 hp, 3 phase, 60 cycle, 440 volt, 850 rpm drip proof Allis Chalmers motor. One Bowser figure 825-2 vacuum vent slight overflow fitting for use with condi tioner. One 50 GPM Bowser 1J figure 841-A positive displacement rotary transfer oil pump connected to a 3 hp, 1750 rpm, 3 phase, 60 cycle, 440 volt, drip proof Allis Chalmers motor. Feed Water Heaters N. Y. 77422 Struthers Wells Corporation . Four extraction heaters for use with unit No. 3 as follows: One fourth stage high pressure heater, U bend tube type, head on top, vertical heater having 1211 sq. ft. of heating surface and designed for 25.7 kB per hour heating load. One seventh stage high pressure heater, U bend tube type, head on top, vertical type heater having 1140 sq. ft. of heating surface and designed for 23.5 kB per hour heating load. One fifteenth stage intermediate pressure heater, U bend tube type, head on top, vertical type heater having 1014 sq. ft. of heating surface and designed for 21.6 kB per hour heating load. One eighteenth stage low pressure heater mounted horizontally in the condenser exhaust connection. This heater has 1214 sq. ft. of heating surface and is de signed for 17.16 kB per hour heating load. Soot Blowing Air Compressor N. Y. 77423 Worthington Pump and Machinery Corporation One 15/6 x 12 Worthington type DC-2 horizontal, duplex, two-stage, double act ing compressor with by-pass control. Compressor is direct connected to a 150 hp, 3 phase, 60 cycle, 440 volts, 300 rpm Allis Chalmers synchronous motor with the following accessories: One motor generator set having a 5 KW generator and driven by IV2 hp, 3 phase, 60 cycle, 440 volts, 1800 rpm Allis Chalmers motor. A steel panel board on which are mounted relays, timing devices, pushbuttons, etc,, for complete automatic operation of this compressor. Cooling Tower N. Y. 77425 One Marley cooling tower, wood filled, induced draft, double flow type, overall size 63' by 97' by 39', capacity 31,000 GPM. Tower to have four cells, each cell having one 20" water inlet, one 240" diameter fan with capacity of 635,000 cfra driven through a reduction gear by a 60/15 hp, 3 phase, 60 cycle,1760/870 rpm, 440 volts, reversible motor furnished by others. Deaerator N. Y. 77426 Worthington Pump & Machinery Corporation One 400,000 lb/hr horizontal deaerating heater equipped with stainless steel tubes and tube sheets and having an oxygen guarantee of .005 cc/liter at 17 WAD02278 400,000 lb/hr, and .03 cc/liter at 527,000 lb/hr. Storage capacity is 110,000 lbs. and designed for 80 psig working pressure. This deaerator is complete with necessary valves, thermometers, gauges, and float switches for high and low alarms. 480 Volt Control Centers N. Y. 77439 Westinghouse Electric Corporation Five items of 480 volt metal-clad control centers as follows: One fourteen compartment control center designated 3-A, one fourteen compart ment control center designated 3-B, one four compartment control center desig nated for AC motor operated valves, one eight compartment control center for DC motor operated valves, one fifteen compartment control center designated for ventilation unit No. 3. Each of the control center compartments contains a combination line starter type similar to Westinghouse class 11-216 or 11-206, and AB circuit breaker with thermal time limit overload and instantaneous short circuit protection. Furnished in addition to the above were pushbutton station, indicating lamps, magnetic and manual starters, safety switches and magnetic time starters for re mote mounting. Boiler and Turbine Gauge Boards N. Y. 77451 Bailey Meter Company One main boiler instrument and control panel QXA-X, 21'7" long by 8'6" high by 5' deep without top enclosure but with end enclosures with doors. Instruments for the operation & control of the boiler and its auxiliaries are mounted on these boards. One boiler common control panel type QFA-X, 7' wide by 8'6" high by 5' deep in stalled adjacent to and west of the boiler gauge board and upon which are mount ed those instruments common to both boilers 3 and future No. 4. One turbine instrument and control panel type QFA-X, 19' long by 8'6" high by 5' deep, without top but with two end doors and upon;which are mounted the con trols and instruments of the turbo-generator unit *3 and its auxiliaries. Instruments and controls for the conbustion control system and the feed water control system are also included in this order. Main Control Switch Board N. Y. 77452 Westinghouse Electric Corporation Two .duplex panels for addition to the existing tunnel type main control switch board and designated Panel *12 for the control of generator No. 3 and Panel *13 for the control of generator No. 3 auxiliaries. In addition to these two panels, other equipment was furnished as follows: One neutral grounding transformer type cto-15, one potential transformer 13.8 KV/110 volts, two potential transformers 115 KV/110 volts, surge protective equipment consisting of 3 lightning arrestors and 3 capacitors for connection to the generator leads, 3 lightning arrestors outdoor type for connection to the 115 KV transmission line designated Leetsdale No. 2, one generator field circuit breaker cubicle in which is mounted the generator field air circuit breaker, shunts and field discharge resistor. Further additional equipment furnished on this order included relays, recording 18 WAD02279 and indication instruments, control switches, etc., for mounting on various panels of the existing switch board. Control Air Compressors N. Y. 77458 Gardner-Denver Company One 9" x 9" Model RXC, single stage, horizontal, double acting, water cooled, forced feed lubricated air compressor with V Belt drive and having a capacity of 150 cfm at 90 psig. The drive is a 30 hp, 3 phase, 60 cycle, 440 volts, 1750 rpm Allis Chalmers motor furnished by others. One Model B-93 Selan-Air after cooler, with moisture and oil separator. One 36" diameter by 8' high, vertical, ASME air receiver tank designed for 125 psig working pressure. All equipment is complete with safety valves, pressure gauges, drain valves, sight flow funnels and interconnecting oil piping. Transformer Fire Protection N. Y. 77465 Grinnell Company Incorporated One fire protection system of the fog spray type for three single phase main power transformers and one 3 phase auxiliary transformer. This system is a completely automatic dry type with alarms and resets. Passenger Elevator N. Y. 77468 Otis Elevator Company One passenger elevator platform size 6'4" by 7' 3", 4,000 lbs. capacity, 100* per minute travel, and controlled by car switch which must be held manually during operation. The elevator is raised and lowered by a 15 hp, 3 phase, 60 cycle, 440 volts, 900 rpm type 5 AC motor. Water Softening Equipment N. Y. 77499 The Permutit Company One Permutit 60 GPM sodium zeolite water softening unit complete with valves, piping, salt storage tank, brine measuring tank and necessary interconnecting piping. Riverwell Pump No. 3 N. Y. 77518 Layne Western Company One Layne & Bowler, Incorporated, 12" RKHC, vertical, single stage pump having a capacity of 1,000 GPM, 32 to 70F river water against a total dynamic head of 55 feet. The pump is driven by a 20 hp, 3 phase, 60 cycle, 440 volts, 1800 rpm, vertical hollow shaft General Electric motor for outdoor service. Plant Emergency Alarm Signal N. Y. 77534 Federal Enterprises Incorporated This emergency system is similar to a city fire alarm system and consists of three positive, non-interfering, succession type alarm boxes located in the 19 WAD02280 two control rooms, two resonating electric horns mounted on the roof of the plant, two compressed air horns mounted within the building, and necessary con trol panel, relays, electrically operated valves, etc., for complete operation of this system. 20 WAD02281