. Canadian engineer. r 18»in. Cast IronPipe, Vancouver Waterworks. been added as the water consumption increased. Themethod of laying is substantially as follows : On the flattidal marsh on the north shore of the river a low woodentrestle is built, extending back from the shore a distanceas great as the entire width of the channel, some 1,300ft. Upon the plank floor of this trestle the pipe is laid,and the joints are leaded and caulked. The bell of each pipe length rests on a flat wooden block free to slide onthe plank floor, which is greased with tallow. Hauling the Pipe Across the Channel.—A
. Canadian engineer. r 18»in. Cast IronPipe, Vancouver Waterworks. been added as the water consumption increased. Themethod of laying is substantially as follows : On the flattidal marsh on the north shore of the river a low woodentrestle is built, extending back from the shore a distanceas great as the entire width of the channel, some 1,300ft. Upon the plank floor of this trestle the pipe is laid,and the joints are leaded and caulked. The bell of each pipe length rests on a flat wooden block free to slide onthe plank floor, which is greased with tallow. Hauling the Pipe Across the Channel.—After the pipehas been subjected to a hydrostatic test of 300 lb. per and any leaks found have been made tight, a haulingtackle for pulling the pipe across the channel is a wire rope was led through the interior of thepipe and secured to the rear end of the pipe line; but theresistance of the front end 9s it plowed its way across thechannel was so much greater than that of the rear part of. Stanley ParkReservoir ^ VEli40 10000000 >,
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