Sanitary Sewer Design
Good sanitary sewer design practice requires evaluation of alternative locations, slopes and pipe sizes. However, cost considerations generally keep alternative evaluations to a minimum....

Five Years of Sewer System Evaluation
Twenty-eight wastewater collection systems spread over the South-Central and South-East region of the United States were surveyed and evaluated for infiltration/inflow in a systematic...

Pinhole Test for Dispersive Soil—Suggested Change
In this test, a small hole is made in the specimen to be tested, and distilled water is allowed to flow through the hole. Dispersibility is assessed by observing effluent color and changes...

Discs Reduce Manhole Infiltration
The Department of Public Works for New Castle County, Del., conducted a study of infiltration at their over 30,000 sanitary sewer manholes. The study indicated that up to 60% of their...

Tests of Manhole Covers
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Tests of Manhole Covers
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