The story of a house . able us to fix upon the level to give to the floor-bottom,or radier of our collector. What is a radier ? It is the part of a canal, sluice, or sewer, upon whichthe water runs; the bottom, which should be established sofirm and solid that the force of the current will not washit away. The beds of sewers must therefore be made ofgood flat stones, or, better still, of hydraulic cement whenit can be procured, as the water finds means of passing be-tween the joinings of stones, while if the cement is skil-fully used, it forms, throughout the length of the canal, aperfectly wa
The story of a house . able us to fix upon the level to give to the floor-bottom,or radier of our collector. What is a radier ? It is the part of a canal, sluice, or sewer, upon whichthe water runs; the bottom, which should be established sofirm and solid that the force of the current will not washit away. The beds of sewers must therefore be made ofgood flat stones, or, better still, of hydraulic cement whenit can be procured, as the water finds means of passing be-tween the joinings of stones, while if the cement is skil-fully used, it forms, throughout the length of the canal, aperfectly water-tight homogeneous mass. They take care,besides, to give to the floor-bottom of a sewer a slightlyconcave form, joined at the sides without angles; for water PAUL AS INSPECTOR OF WORKS. 113 profits by angles to cany on its work of destruction. Be-sides, angles, when you wish to clean out subterranean ca-nals, are not easily cleansed. The best form to give to asewer is that of which a section is given here (Fig. 24).. ,Z?» Flo. 24 114 THE STORY OF A HOUSE.
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectarchitecturedomestic
