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Tag: sewer

Old sewer numerical method

July 12, 2014 Marc Abrahams

Nowadays there are many methods for estimating the approximate cost of sewers. In 1922, this diagram showed the then-state of the art: The diagram appears in the book Sewerage and Sewage Treatment, by Harold Eaton Babbitt (published by John Wiley and Sons, New York,1922).

Arts and Sciencecost, estimate, numerical, sewer

Thanks for the Activated Sludge

November 8, 2012 Marc Abrahams

Kindly wishes, from the preface of the book Sewerage and Sewage Treatment, by Harold Eaton Babbitt (published by John Wiley and Sons, New York,1922): [The author wishes to express his thanks] to Mr. Paul Hansen, consulting engineer, of Chicago, and to Mr. Langdon Pearse, Sanitary Engineer of the Sanitary District of Chicago, for their help […]

Arts and Scienceactivated, sewage, sewer, sludge
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