. The street railway review . and advise by letter of the forward-ing of the package. Yours very truly, W. B. Bkockway, I<\ Caldekwood, President. ROADBED OVER A SEWER. The Metropolitan Street Railway Company, of New York, inbuilding its electric conduit in Canal street, encountered animusual obstacle in the sewer which could not be lowereil andthe roof of which was too close to the street surface to permitthe conduit construction over it. Canal street was originally,that is, in the early part of the century, a canal running fromBroadway to North river, and used for commercial p
. The street railway review . and advise by letter of the forward-ing of the package. Yours very truly, W. B. Bkockway, I<\ Caldekwood, President. ROADBED OVER A SEWER. The Metropolitan Street Railway Company, of New York, inbuilding its electric conduit in Canal street, encountered animusual obstacle in the sewer which could not be lowereil andthe roof of which was too close to the street surface to permitthe conduit construction over it. Canal street was originally,that is, in the early part of the century, a canal running fromBroadway to North river, and used for commercial purposes aswell as for draining the contiguous territory; either side of the40-ft. canal was an esplanade 30 ft. wide. Later the canal was replaced by an underground sewer whichis 20 ft. wide and in which the flow is seldom less than 12 This sower drains a large area and the flow in it is steadyand rapid. It being out of the question to move the sewer, itwas decided to remove the arch at the top and substitute a fiat. VIEWS OF THE WOKK AT WEST BROADWAY AND CANAL STREET. are suiiplied to the department will be used solely for the benefitof the members of the Association. Any member desiring to prepare a form for any particularpurpose will appreciate tlie value of haviiig at his disposalhundreds of blanks pertaining to the subject which he has underconsideration. The accessibility of these forms arranged as wepropose to have them is alone worth the annual membershipfee of our Association. That these plans may be carried into effect promptly we askyour co-operation by kindly furnishing at an early date two roof, the city engineers finding that this would not reduce thecapacity. From. Church street to Sullivan streetthe roof was thiis sewer was first uncovered for a distance of 200 ft., begin-ning at Church street, and when the arched brickwork was ex-pose<l it was removed piecemeal, care being taken that none ofthe debris fell into the sewer. When an opening
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