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).
Tag: sewer
Thanks for the Activated Sludge
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 […]