Public works . m/)/iw/ii/.. , - 70mx>d _ ft^-i^»j^ WClRsfurnPipe CROSS-SECTION OF FLOAT CHAMBER. The tidal basin is 200 feet by 100 feet inside dimension,with a 12-inch floor, the elevation of which is at thefloat chamber and at the corners. The roof is of con-crete beam and slab construction; the underside of theslabs being at elevation The slabs are six inchesthick and the beams supporting them are 12 by 12; thebeams being supported by 14 by 14-inch columns spaced12 feet 6 inches between centers. The roof slab is rein-forced with J^-inch bars spaced six inches apart in onedir
Public works . m/)/iw/ii/.. , - 70mx>d _ ft^-i^»j^ WClRsfurnPipe CROSS-SECTION OF FLOAT CHAMBER. The tidal basin is 200 feet by 100 feet inside dimension,with a 12-inch floor, the elevation of which is at thefloat chamber and at the corners. The roof is of con-crete beam and slab construction; the underside of theslabs being at elevation The slabs are six inchesthick and the beams supporting them are 12 by 12; thebeams being supported by 14 by 14-inch columns spaced12 feet 6 inches between centers. The roof slab is rein-forced with J^-inch bars spaced six inches apart in onedirection, and J^-inch square bars 24 inches apart in theother direction. The roof is covered with twelve inchesof earth. A manhole through the roof is provided ateach corner and at the float chamber, and another at thecenter of the basin. The sludge beds are fifty feet square at the tops of thebanks, the banks sloping Xyi to 1 and being four feet bottom of each bed is provided with 4-inch tile drainsin parallel rows
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
