. Electric railway review . complicatedproblem of ventilating the New York subway and coolingthe subway air in warm weather have so far been productiveof results that appear to be satisfactory in the areas affectedby the installed apparatus. In accordance with general rec-ommendations made by Mr. George S. Rice, chief engineerof the Rapid Transit Railroad Commission of New York, bywhich it was proposed to accomplish a complete change ofair in the subway every 30 minutes, openings were cut and6,200 square feet of gratings installed in the vault lightsover the stations from Brooklyn bridge to Ni
. Electric railway review . complicatedproblem of ventilating the New York subway and coolingthe subway air in warm weather have so far been productiveof results that appear to be satisfactory in the areas affectedby the installed apparatus. In accordance with general rec-ommendations made by Mr. George S. Rice, chief engineerof the Rapid Transit Railroad Commission of New York, bywhich it was proposed to accomplish a complete change ofair in the subway every 30 minutes, openings were cut and6,200 square feet of gratings installed in the vault lightsover the stations from Brooklyn bridge to Ninety-sixth street,inclusive, and 14 ventilating chambers were built betweenstations from Brooklyn bridge to Columbus Circle. The lat-ter are built as louvre and fan chambers, the automaticlouvres being continuously in operation, and the fans, motor-driven, serving as auxiliaries in exhausting the air at nightduring the three months of hot weather or in time of em-ergency. An interesting experimental plant has been installed. Cooling the New York Subway—Blower Fan and Air-CoolingEquipment at Brooklyn Bridge Station. at the Brooklyn bridge station. This was built in accordancewith the original plans submitted to the chief engineer of theRapid Transit Railroad Commission by Mr. J. E. Starr, of theStarr Engineering Company, New York. It consists of twounits, one on the east and one on the west side of the sta-tion. Each unit consists of two artesian wells, from which water pumped by a Deane triplex double-acting pumpthrough a cooler consisting of a bank of piping situated onthe unused local platform upon each side. The pump isdriven by one C. & C. 40-horsepower direct-current motor,running on a 625-volt circuit. The banlv of piping is en-closed in a galvanized iron casing, which has an inlet atone end, connected to the discharge of two fans installed bythe American Blower Company, New York, which deliver
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
