Minutes of Proceedings of the Institution of Civil Engineers Volume 48

Minutes of Proceedings of the Institution of Civil Engineers Volume 48

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1877 edition. Excerpt: ...the sewage of only 2,000 persons was draining on to the filter beds, yet there must have been also a large though indefinite addition of filthy matter from back and side streets, which, though not sewered, found its way through runnels or gutters to the nearest 1 The subsoil water was in some cases no purer than its efiiuent, so that it was only in a few instances that there was any deduction to be made from the result on its account.--C. M. end of a street that was sewered, and so on to the filter beds. He presumed the Foul Burn below Edinburgh was foul long 'before water-closets were thought of or sewers made. He would confine himself to Mr. Bazalgette's own admission. When the Author limited the performance of the filter beds to the defecation of the sewage of only 1,000 people per acre, he forgot the important fact that there were large portions of those beds which always had to do four or five times as much work as the rest. If it had been possible so to have distributed the sewage of Merthyr as that every square or cubic yard should receive its aliquot share to deal with daily, then no doubt it would be right to quote their performance as not representing one-third of the duty which Dr. Frankland had declared them capable of of doing. But the sewage was not, and could not be, distributed so evenly. It was not every square yard that received its aliquot part, but every acre. By means of carefully calculated and accurately gauged water-ways, notch-plate chambers, and the like, Mr. Bailey Denton had skilfully contrived that the constant stream of sewage should divide itself into six equal portions, each of which found its way to one-sixth part of the 5 acres under sewage at any one time; and that plot of 120 perches, some...show more

Product details

  • Paperback | 150 pages
  • 189 x 246 x 8mm | 281g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236976851
  • 9781236976857