sewer systems Articles

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Excerpt Advanced Sewer Technologies Paper

by Presby Environmental Inc. (PEI)  (May 17, 2012)

Abstract  This document seeks to collect into one place current and new technologies about sewerage system design. The document organizes the information found in the 295 documents that were reviewed into six subject areas: Advanced Onsite Technologies; Alternative Wastewater Collection System Designs and Technologies; Gravity Sewer System ...

Reducing Ruptured Reputations – Assessment Tools Reduce Risk of Failure on Sewer Force Mains

by Pure Technologies  (Aug. 6, 2015)

A ruptured sewer pipe can attract a lot of unwanted attention, even when it happens on private property. Last year, hours before celebrities were to arrive at the Golden Globes Awards show at the Beverley Hills Hotel, a reputed sewer pipe burst, spewing a mess of wastewater on the red ...

When is a Sewer not a Sewer

by Safe Training Systems Ltd  (Dec. 15, 2012)

Any Sewer is a Sewer –isn’t it? If you were to ask the average man on the street what happened to the water that left his house via the myriad of drain pipes, overflows, soil stacks, gutters, sewer pipes etc would he really know what happened to it? Do consumers actually know or understand that there are different sewers running ...

The The `Design for Autonomous Net-Zero Water Buildings` Project Funded By NSF

by Water Online - VertMarkets, Inc.  (Aug. 24, 2015)

The students at the University of Miami will know firsthand the importance of rethinking the way we handle wastewater and water with a Net-Zero water treatment system on site.   The project showed the viability and feasibility to take buildings off the water grid to provide water recycling and how it can be achieved without raising the ...

Groundwater intrusion into leaky sewer systems

by IWA Publishing  (Jul. 1, 2010)

Vast volumes of groundwater are drained by urban sewer systems. This unwanted flow component intrudes into sewer systems through leaky joints or connected house drains. However, unlike urban storm drainage, it has a high seasonal variation corresponding to groundwater storage and long slow recessions similar to baseflow in rivers also fed by ...

Sedimentation dynamics in combined sewer systems

by IWA Publishing  (Aug. 29, 2013)

Sediments in combined sewers may negatively affect the performance of sewer systems and significantly promote the formation of hydrogen sulfide. To prevent this, German sewer systems are cleaned regularly but at high costs. In order to optimize the cleaning intervals, this study investigates how deposits build up and change over a defined period ...

Economic analyses for optimizing the construction of separate sewer in a hybrid sewer system

by IWA Publishing  (Dec. 1, 2010)

Metropolitan Taipei located in north Taiwan uses a hybrid sewer system consisting of mostly separate sewer for the populated regions, and partly combined sewer for less populated regions. This study used the concept that Marginal Cost of Control (MCC) equals to Marginal Benefits of Control (MBC) to establish the method for studying the optimal ...

Multifaceted sewer improvements program eliminates sewer connection moratorium and system overflows

by Water Environment Federation (WEF)  (Oct. 13, 2007)

The sewer system serving Borough of Jewett City, Connecticut dates from the late 1800’s and was originally constructed as a combined sewer system with the discharges directed to the area rivers. In the 1970’s, the raw sewage discharges from the Borough system were removed from the rivers and redirected to a newly constructed wastewater treatment ...

Sewer-Flow Survey Project

by Isodaq Technology  (Aug. 21, 2012)

Environmontel Ltd Supply of HydroLog4 time-series database and flow data processing system for sewer-flow survey projects Environmontel Ltd, an established flow-survey company based in Worcester, selected HydroLog4 as their sewer-flow survey information system for use by survey teams on short-term drainage-area surveys and other longer-term ...

Sewer Level Monitoring - Photos

by Solid Applied Technologies Ltd.  (Apr. 11, 2013)

Sewer Level Monitoring - Photos Photos in this article present the complexity and versatility of sewer level monitoring. When examining the photos, pay special attention to the stand-alone autonomous characteristics of each installation. In lack of any cabling from the outside, whether data cables or power cables, the solution is fed from its own ...

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