. The Street railway journal . r for each machine is of the Worthingtontype and is installed at the base of its respective to it is a 12-in. motor-driven volute pump for sup-plying the condensing water. COOLING TOWERSAn i8-in. suction and a i6-in. discharge from each pumpare connected to cooling towers just west of the building. The make-up water is supplied from the water systemthrough float valves, while an electric alarm on each towergives warning if the water level drops. The overflow fromthe towers is returned to a pump tank. HOT-WELL PUMPS Connected to the hot well of th
. The Street railway journal . r for each machine is of the Worthingtontype and is installed at the base of its respective to it is a 12-in. motor-driven volute pump for sup-plying the condensing water. COOLING TOWERSAn i8-in. suction and a i6-in. discharge from each pumpare connected to cooling towers just west of the building. The make-up water is supplied from the water systemthrough float valves, while an electric alarm on each towergives warning if the water level drops. The overflow fromthe towers is returned to a pump tank. HOT-WELL PUMPS Connected to the hot well of the condenser of No. i turbine is a horizontal motor-driven 2j/^-in. volute pump. This is installed directly under the condenser at the level of the basement floor. Because of the possibility of floods due 86o STREET RAILWAY JOURNAL. [Vol. XXIX. No. 20. to high water in the river the pump set was installed in asteel water-tight pit having walls extending up to the floorabove. The hot-well ])unip for the other condenser is of the. PLAN OF DALLAS STATION, SHOWING THE THREE COOLING TOWERS, ELEVATED TANK, PUMP HOUSE OVER WELLS AND DERRICK USED IN DRILLING A NEW WELL pumps and into the bottom of the hot well. A 6-in. mainconnects each condenser to an 8-in. x i6-in. x 12-in. Worth-ington dry vacuum pump, both pumps being located on themain floor between the two the west wall of the turbine roomand midway between the two turbines isa lo-in. X ii-ft. 6-in. hydraulic accu-mulator for maintaining an even pressureon the step bearings of the foundation of the accumulator is onthe basement floor, but the apparatus ex-tends when at the top of its stroke sev-eral feet above the main floor. A press-ure of 425 lbs. is maintained in the ac-cumulator by either of two 7>^-in. x duplex accumulator pumps,which have their suction pipe connectedboth to the suction of the boiler feedpumps and to a tank which is suppliedwith filtered water. OILING SYSTEM The
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
