Leadership

REPAIRING A THIRTY-INCH SUBMARINE WATER MAIN.*

Issue 26 and Volume 27.

REPAIRING A THIRTY-INCH SUBMARINE WATER MAIN.* THE thirty-inch main which forms the subject of this paper is one of three force mains which connect the principal pumping station of the Hackensack Water company, reorganized, with its reservoirs at Weehawken, N. J —the distance between the two points being practically fourteen miles. The main in question is not laid the entire distance between the pumping station and reservoirs, but is connected to a twenty-inch and twenty-four-inch main at a place known as Ridgefield, N. J., which is ten miles south from the pumping station. The thirtyinch main was laid during the season of 1897 and 1898, and after being carefully tested between each gate as the work progressed, was put into use in April, 1898, and continued in service without any interruption until the afternoon of Friday, August 19, 1898, when the pressure at the pumping station of 102 pounds, against…

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