. Electrical world. FIG. 5.—TRANSMISSION POLE. blasted out of the solid granite rock formation just east of the cribreferred to, and extending up from the lagoon below to a point about50 ft. above the dam. This was then to be covered by arches ofconcrete masonry supporting the three wheel chambers, which weremade to communicate with the river above the dam through the me-dium of a fore-bay, formed by removing a section of the crib andenclosing the space by concrete wing walls above and below. Thedotted lines on the map show the relative location of the new work. FIG. 7.—PLAjr OF POWER HOUSE AN
. Electrical world. FIG. 5.—TRANSMISSION POLE. blasted out of the solid granite rock formation just east of the cribreferred to, and extending up from the lagoon below to a point about50 ft. above the dam. This was then to be covered by arches ofconcrete masonry supporting the three wheel chambers, which weremade to communicate with the river above the dam through the me-dium of a fore-bay, formed by removing a section of the crib andenclosing the space by concrete wing walls above and below. Thedotted lines on the map show the relative location of the new work. FIG. 7.—PLAjr OF POWER HOUSE AND FOREBAV. top, loaded with stone and sheet-piled with two layers of l] This was found to answer the purpose satisfactorily. The excavation of the wheel-pit and tail-race w-as carried on withrock drills of Canadian manufacture, the work being commencedat the north end and extended in a southerly direction toward thelagoon: the final breaking through into the river being deferred untileverything was c
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
