Automated Sewer and Drainage Flushing Systems in Cambridge, Massachusetts
| Autor: | William C. Pisano, James R. Barsanti, Dennis Carr, Owen O'Riordan, Frank J. Ayotte |
|---|---|
| Rok vydání: | 2003 |
| Předmět: |
Hydrology
geography geography.geographical_feature_category Mechanical Engineering Stormwater Environmental engineering Storm Tributary medicine Environmental science Flushing Combined sewer Storm drain Sanitary sewer Drainage medicine.symptom Water Science and Technology Civil and Structural Engineering |
| Zdroj: | Journal of Hydraulic Engineering. 129:260-266 |
| ISSN: | 1943-7900 0733-9429 |
| Popis: | This paper summarizes the design of passive automatic flushing systems installed in the City of Cambridge’s storm and sanitary sewer system tributary to the Alewife Brook as part of a $75 million sewer separation program. Grit and debris deposition is severe in the existing combined sewers, storm drains, and sanitary trunk sewers due to the flat topography of the area. This condition is exacerbated by hydraulic constraints imposed on the system’s outlet by the Alewife Brook (shallow stream) and downstream sanitary siphons (again because of the Alewife Brook). The use of pumps to lift flows from sewers and drains to permit self-scouring velocities is prohibitively expensive. To overcome this problem, five automated flushing systems using quick opening (hydraulic operated) gates discharging collected stormwater were constructed in conjunction with downstream collector grit pits covering a distance of 1,604 m for storm drain pipes ranging from 1.4 m circular to 1.2 m by 1.8 m rectangular. New 450 and 600 mm ... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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