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Control Strategy for Storm-Generated Sanitary Sewer Overflows
Citation:
FIELD, R. I. AND A. N. TAFURI. Control Strategy for Storm-Generated Sanitary Sewer Overflows. Presented at National Taiwan University 2008 International Workshop; and Key Laboratory of Water Cycle & Related Surface Processes, Beijing & Xain; Taiwan, CHINA, June 24 - July 02, 2008.
Impact/Purpose:
Presentation
Description:
This presentation covers a strategy for the abatement of pollution from sanitary-sewer overflows (SSO). Because of the great lengths of sanitary sewer systems, it is often less expensive to use alternatives to sewerline rehabilitation for infiltration/inflow (I/I) and associated SSO control. Building connection or house lateral rehabilitation can be infeasible economically because of the shear number of connections or impractical because of the difficulty in dealing with property owners. Inflow elimination or reduction, cost-effective sewer rehabilitation, and collection system inspection with associated clean out and repair must be performed in all cases; and an integrated economic and feasibility analysis using a combination of maximizing flow to the wastewater treatment plant and maximizing treatment capacity must be considered for controlling the remaining SSO. SSO can be abated using combined-sewer overflow (CSO) control methods. SSO and CSO are both mixtures of municipal sewage, stormwater, and ground water.