Vacuum Sewers: Construction and Operating Experience

by Richard Naret, Cerrone & Associates Inc, United States,



Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications

Abstract:

As an alternative to conventional collection, the vacuum system has many advantages. Smaller diameter pipes, shallower trenches and the ability to make vertical and horizontal field changes to avoid obstacles all result in lower consturction costs. This lower cost, coupled with increased Federal funding, can make sewer service a reality for areas that otherwise would not be feasible to serve. Experience has shown that vacuum sewers, while having certain construction advantages, also have unique disadvantages. It is imperative that inspection be performed by those with a thorough knowledge of vacuum sewer technology. The design of the system and the capabilities and hydraulic limits must be understood. Some construction related problems and operating experiences are discussed.

Subject Headings: Sewers | Construction management | Valves | Inspection | Hydraulic design | Benefit cost ratios | Trenches

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