manhole location Articles
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Project - Garden
Here is a garden project to turn a spacious area into a lawn. There is a manhole chamber in the location, therefore a GrassTop cover has proven to be an ideal addition. Even as the soil and lawn is being laid the seamless integration is unnoticeable and looks stunning in the finished picture! ...
By Ecogrid Ltd
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Project - Interior Aluminium Manhole Cover Transformation
Project Review Our co-owners Sue and Al have installed a triple-sealed pro line aluminium recessed manhole cover at their new home. The slim aluminium frame design creates an aesthetic look against the pattern wooden floor. Due to the manhole cover location, it is highly recommended to use a triple-sealed instead of double-sealed. This is because triple-sealed is designed to be screw tight, and ...
By Ecogrid Ltd
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Vaults - Case Study 2
Description This project, completed in 2002, included 17 manholes located within the Yellowstone National Park. The manholes had significant deterioration from wastewater chemical corrosion. The structure pictured below was a rectangular vault. Solution Custom fabricated liner was manufactured by Poly-Triplex Industries, LLC to fit the size and shape of the box structure. Liner was saturated ...
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Manholes - Case Study 4
Description This project, completed in 2002, included 17 manholes located within the Yellowstone National Park. The manholes had significant deterioration from wastewater chemical corrosion. The structure pictured below was a rectangular vault. Solution Custom fabricated liner was manufactured by Poly-Triplex Industries, LLC to fit the size and shape of the box structure. Liner was saturated ...
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Project - SPR EX Structural Solution for Transit Hub Pipeline
Orange County Sanitation Districts owns and operates a regional sewer near Tustin Avenue and Orangethorpe Avenue in the City of Placentia, CA. The 24” VCP pipe was originally installed in 1960. Upon inspection, the District identified significant cracks in the pipe as well as the manhole structure. Rehabilitation of the line segment was the first choice however the site location and access ...
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Project - CIPP Originally Specified in West Hollywood, CA
SEKISUI SPR licensee Southwest Pipeline & Trenchless recently completed a sewer rehabilitation project for the City of West Hollywood, CA. The project was originally specified and bid as a CIPP lining project. However, one of the line segments on the project presented several constructability challenges that required additional engineering review. The project location was the first ...
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Assessment of flood hazard in a combined sewer system in Reykjavik city centre
Short-duration precipitation bursts can cause substantial property damage and pose operational risks for wastewater managers. The objective of this study was to assess the present and possible future flood hazard in the combined sewer system in Reykjavik city centre. The catchment is characterised by two hills separated by a plain. A large portion of the pipes in the aging network are smaller ...
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Portable Monitoring Instruments Solve Flow Rate Mystery - Case Study
The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...
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Case study - Water accountability portable monitoring instruments solve flow rate mystery - Case Study
The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...
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Gwinnett County Find-and-Fix - Case Study
When Gwinnett County opted to use a find-and-fix approach to repairing inflow and infiltration entering its collection system, the Inliner Technologies team set out to investigate and rehabilitate the sewer system in predetermined basins. To obtain immediate results the team used existing data, including GIS, previously collected data, and information from discussions with Gwinnett County field ...
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Sensitivity analysis of surface runoff generation in urban flood forecasting
Reliable flood forecasting requires hydraulic models capable to estimate pluvial flooding fast enough in order to enable successful operational responses. Increased computational speed can be achieved by using a 1D/1D model, since 2D models are too computationally demanding. Further changes can be made by simplifying 1D network models, removing and by changing some secondary elements. The Urban ...
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Installing gravity sewer in tough Georgia rock
It took a contractor who was receptive to an innovative new installation approach, a good deal of patience and a whole lot of determination — after two previous attempts by other contractors using drills and air hammers were unsuccessful — to finally conquer a pesky 800-foot (243.8 m) stretch of tough Georgia blue granite. Hence, project owner Coweta County Water and Sewer Authority ...
By Vermeer
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Performance of sanitary sewer collection system odour control devices operating in diverse conditions
Controlling odours from sanitary sewer systems is challenging as a result of the expansive nature of these systems. Addition of oxidizing chemicals is often practiced as a mitigation strategy. One alternative is to remove odorous compounds in the gases vented from manholes using adsorptive media. In this study, odour control devices located at manholes were observed to determine the ability of ...
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Taif - SWCC - Case Study
City /Country: Taif /Kingdom of Saudi Arabia Client: SWCC Contractor: Toledo Arabia Company Date: April-2016 Services: Training of usage pipe plug and pipe test plug (with by-pass) Toledo, the contractor, has a challenging project in Taif, which is mountainous area. Slope of the pipe lines are very high. The water head inside the manhole reach 15 meters for some locations. PlugCo Team ...
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SMF4 case study 2
Sewer Misconnection Survey Date: March 2010 Location: Edgebaston Birmingham UK Purpose: To test the application of the SMF4 portable fluorimeter in the detection and quantification of organic pollution from faecal matter in Surface water Sewers. Background STS was invited independently by the Environment Agency and Severn Trent water to carry out a series of monitoring operations in an ...
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Preventative maintenance pays off - Case Study
A Florida Municipality Finds an Efficient System for Preventing Corrosion in Manholes The City of Pace, Fla., located near Pensacola in the Florida panhandle, was experiencing significant corrosion in its manholes that made maintenance and construction of its wastewater system increasingly costly and inefficient. If not corrected, the municipality realized that the structural integrity of its ...
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