The Problem of the Sewerage of San Francisco a Polyclinic Lecture
The Problem of the Sewerage of San Francisco a Polyclinic Lecture
J H Joshua Harrison Stallard
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Here and there their condition may be better but oftener it is much worse. These sewers illustrate every possible defect. Their size and shape are not uniform. Sometimes there is 1 6-inch pipe made to take the sewage of a five-foot sewer. On Fifth street at Bryant the bottom of the lateral is eighteen inches below that into which it must discharge. In many there are rotten bricks, sandy mortar, and in one place the bricks were found replaced by empty barrels. It is difficult to make a large bri...ck sewer water tight ; and when a rainstorm comes the sewage pours out with the subsoil, poisoning the very foundations of the city. The foul subsoil air is kept down by modern improvements, and is forced out sideways under the basements of the houses. The expense of cleaning and re- pairing sewers would soon suffice to reconstruct the entire sewage of San Francisco. One year it amounted to $34, 775 The McAllister-street sewer is one of the best in the city It runs from Devisadero to Market, and its grade is uniform and favorable.
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