. The street railway review . IEW. 747 high tension cables are in duplicate and are of the same area, viz, 3cores of 37 No. 16 S. W. G. each. The direct current feeders from the power-house are bitumen in-sulated, drawn into bitumen conduits with man-holes at distancesof about 300 ft. apart. More recently laid direct current feedersin the city from the sub-stations have, however, been paper-insu-lated, lead-covered solid laid, similar to the high tension feedersdescribed above. Electric Power Station. The power station is located in a central situation, convenientfor the lines of the whole sys
. The street railway review . IEW. 747 high tension cables are in duplicate and are of the same area, viz, 3cores of 37 No. 16 S. W. G. each. The direct current feeders from the power-house are bitumen in-sulated, drawn into bitumen conduits with man-holes at distancesof about 300 ft. apart. More recently laid direct current feedersin the city from the sub-stations have, however, been paper-insu-lated, lead-covered solid laid, similar to the high tension feedersdescribed above. Electric Power Station. The power station is located in a central situation, convenientfor the lines of the whole system, and at the same time close to thewaters of Port Jackson, so that ample supplies of water are ob-tainable alongside for condensing purposes. The greatest distancewhich power has to be transmitted from the power station in anydirection is at present seven miles. One of the illustrations showsthe exterior of the power house, which is located in a portion ofthe city known as Ultimo. It has a total length of 31S ft., a widtli. MAP OF SYDNEY TRAMWAYS. of 186 ft. and consists of three stories and covers on the groundfloor 59,148 sq. ft. The building is a brick structure, on stonefoundations, and as will be seen has three chimneys, also of brick,the height of the chimneys being 227 ft. with an internal diameterof II ft. At the present time there are installed in the power house 32tjoilcrs of the Babcock and Wilcox make, and additions arc inprogress. The boilers are arranged in two tiers. Each is rated at250 h. p., and has a heating surface of 2,852 sq. ft. B. & W. auto-matic chain grate stokers arc used, and the boilers are fed by coalconveyors, electrically driven. Small coal is used, brought fromlocal collieries, the nearest situated about .10 miles from the powerhouse. A siding leads from the railway into the power house, sothat no handling is necessary. The coal is obtained at a cost offrom 3s. to 4s. 6d. per ton at the pit, and as it is hauled by the staterailways, it is cons
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
