A Benefit Analysis Model for Sanitary Sewer Rehabilitation  

Oleh:

Yusuff, Iqbal ; Czek, Rita ; Tittlebaum, Marty E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Public Works Management & Policy vol. 6 no. 1 (Jul. 2001), page 32-41.
Fulltext: 32PWM61.pdf (128.94KB)

Isi artikel

Infiltration and/or inflow (I/I) into a collection system often causes hydraulic overloads at the associated treatment plant. The impacts from I/I can become especially severe in areas with unstable soil conditions and deteriorating sewer systems. I/I can (a) result in increased operation and maintenance costs and (b) cause overflows and bypasses of untreated wastewater within the collection system during wet weather conditions. A major reason for I/I flows is improper installation and degradation of privately owned sewer lines as well as illegal or improper private connections. Previous studies have indicated that a large percentage of I/I flows are the result of defective sewer lines on private property. This article presents a computer model that has been developed as a comparison and/or decision-making tool to predict the reduction of sanitary sewer overflows and private property I/I for various rehabilitation approaches.

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