. The Street railway journal . ventilation in this climate. Thewindows are set in steel frames, the sashes being made ofnative hardwood. (3wing to the low bearing value of the soil, the foundationsare laid on piles driven to an average depth of 20 ft. to a hardsand stratum. The tops of the piles are covered with a 2^ mattress. The foundations for engines and all heavymachinery are also set on piles. The boiler equipment consists of eight Babcock & Wilcoxboilers, rated at 4po-hp each. The boilers are arranged in twobatteries, of four each, on either side of a self-supporting steelst
. The Street railway journal . ventilation in this climate. Thewindows are set in steel frames, the sashes being made ofnative hardwood. (3wing to the low bearing value of the soil, the foundationsare laid on piles driven to an average depth of 20 ft. to a hardsand stratum. The tops of the piles are covered with a 2^ mattress. The foundations for engines and all heavymachinery are also set on piles. The boiler equipment consists of eight Babcock & Wilcoxboilers, rated at 4po-hp each. The boilers are arranged in twobatteries, of four each, on either side of a self-supporting steelstack 175 ft. high. The stack is lined its entire length withfire-brick, and has two nozzles, to which the smoke flues areconnected. These latter are of steel and of the buggy-top is generated at 200 lbs. pressure, and is superheated to600 degs. The arrangement of the boiler room, as well as ofthe engine room, is such that future expansion can take placesymmetrically on either end. The boilers at present are pro-. TYPICAL CENTER-POLE CONSTRUCTION to 300 tons. These barges being brought alongside of the powerhouse, the coal is unloaded by means of a radial gantry crane,which has a capacity of 50 tons per hour. It is either depositedin open air storage or delivered by the crane directly to the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
