POWER EQUIPMENT. 



carried from the distributing panels by means of 2-inch ~loricated- 

 steel conduits through the subways to eight distributing panels 

 located in the corridors of the main building, and two power f ee'ders 

 pass through conduit to the towers to supply the exhaust-ventilator 

 motors. 



Compressed air is supplied by a No. 21 "Christensen" Type N 

 8J by 8 inch horizontal compressor of 75 cubic feet per minute 

 capacity. The compressor is direct geared to a 14-horsepower 

 series-wound four-pole motor, and is automatically controlled 

 between any predetermined maximum and minimum pressure. The 

 air receiver is 3 feet in diameter by 10 feet high and is located in 

 the boiler room. 



The vacuum pump is a 7 by 7 inch "Clayton" type, and is geared 

 to a General Electric CE type direct-current 3-horsepower motor 

 and will maintain a vacuum in the pipe system of the main build- 

 ing of approximately 29 inches. 



The house-service pump is a No. 4 "Quimby" type, direct con- 

 nected to a General Electric CE type 15-horsepower motor, auto- 

 matically controlled between any predetermined maximum and 

 minimum pressures up to 125 pounds per square inch. The pump 

 has a 4-inch suction and a 3-inch discharge to two 36 by 120 inch 

 compression tanks located in the boiler room, from which the water 

 is distributed to the main building and animal houses. 



The refrigerating machinery consists of a "Brunswick" double- 

 cylinder single-acting ammonia compressor of 3 tons refrigerating 

 capacity, direct connected to a General Electric eight-pole slow- 

 speed motor, a double-pipe ammonia condenser, oil separator, 

 ammonia receiver, with combination gauges, thermometers, etc., 

 located in the south end of the engine room. The brine tank is 

 4 by 6 by 14 feet and contains five 1-inch ammonia expansion coils ; 

 the chilled brine is circulated by a "Quimby" No. 2-J rotary brine 

 pump, direct connected to a General Electric CE type 1-horsepower 

 motor, and passes to two cold-storage rooms having a joint capacity 

 of 3,000 cubic feet and to two refrigerating boxes in the main 

 building each having a capacity of 200 cubic feet. Each of the 

 main storage rooms has five refrigerating coils of l^-inch gal- 

 vanized pipe and will be maintained at a temperature of 28 F. 



Two 15-inch "Buffalo" B volume No. 6 exhaust fans, direct con- 

 nected to General Electric CE type 5-horsepower motors, are 

 located in the towers of the main building and connect with a 



