Municipal Improvements. a Manual of the Methods, Utility, and Cost of Public Improvements, for the Municipal Officer. 2D Ed., Enl. I300170 P

Municipal Improvements. a Manual of the Methods, Utility, and Cost of Public Improvements, for the Municipal Officer. 2D Ed., Enl. I300170 P

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 edition. Excerpt: ...lay 100 cubic feet of stone. One man and one tender will lay 150 cubic feet of stone in one day (rubble masonry). 1 barrels of cement and of a cubic yard of sand will lay 100 cubic feet of stone, rubble masonry. FOR MAKING CONCRETE.--Mix one barrel of cement with 10 cubic feet of sand; cast it upon 25 cubic feet of broken stone; moisten the mass with water applied with a rose sprinkler; overturn twice with shovels, then cast into trench in layers not exceeding 8 inches thickness and ram well in place. Rammers should weigh about 12 pounds. Do not drench the concrete with water when mixing it. COAL. Anthracite, Lump coal contains 36.19 cubic feet per ton of 2000 pounds. Egg contains 34.63 cubic feet per ton. Nut contains 34.32 cubic feet per ton. Pea contains 37.60 cubic feet per ton. Bituminous Coal. Indiana block contains 45.61 cubic feet per ton of 2000 pounds. Illinois coal contains 42.35 cubic feet per ton. Ohio cannel contains 40.66 cubic feet per ton. Hocking contains 40.56 cubic feet per ton. Coke contains 76.04 cubic feet per ton. GRADES OF SEWERS. The grade or inclination of a sewer is an important feature of a sewer building. It is not wise to lay sewers at such excessively steep grades that the fluids will flow rapidly away, leaving the solids stranded as it were for awhile, to be shoved or carried along farther by the next influx of fluid, for the flow of sewage is not a certain constant quantity, only in main sewers which receive their flow from all the minor sewers, and even in main sewers the volume of flow varies with the hours of the day in accordance with the domestic work of the many households which supply it. If the grades are too light or there is too slight an incline, there is more danger of clogging and stagnation, ...show more

Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236674715
  • 9781236674715