Corrosion and increasing water main break rates convinced Calgary to thoroughly evaluate various water main pipe materials. Calgary's final choice was PVC. The article, entitled "The Calgary Story," gives the details.
The general manager for the City of Des Moines, Iowa reviews reasons utilities need to carefully evaluate their pipe material choices.
This PVC Pipe News article reviews the experience that Edmonton, Alberta has had with PVC pipe and other water main materials. The article's title is "The Edmonton Story".
This water company explains its reasons for selecting PVC as its pipe material for water mains. The title of the article is "Louisville Water Company: The PVC Pipe Experience."
The Mojave Water Agency is a water wholesaler in Southern California. This article describes the agency's first experience with PVC in a large transmission project. The article's title is "The Mojave River Pipeline Project."
This PVC Pipe News article describes a project with high visibility due to its proximity to the Capitol building. The article's title is "PVC Water Pipe Is A Capital Idea."
This PVC Pipe News article shows how the Avon Lake Municipal Utility installed a sanitary sewer pipeline inside an existing combined sewer. The result was a separated system. The title is "Avon Lake Municipal Utilities Combined Sewer Separation Project."
Case history of 30-inch PVC gravity sewer pipe installed at a depth exceeding 40 feet. Flexible pipe solves deep bury site conditions.
Project utilizing approximately 7 miles of 36-inch F-679 solid wall gravity sewer pipe.
PVC was selected to replace a large diameter, ductile iron, sanitary sewer line that failed prematurely due to internal corrosion. The article's title is "Rowlett, Texas Encounters Unexpected Sewer Line Repair."
This article "Dealing with Disaster" provides an overview of the construction of a 48-inch gravity sewer to replace failing infrastructure in Pima County.
This large force main project involved over 22 miles of dual PVC pipe, most of which was between 18 inches and 24 inches in diameter. This project was one of the largest force main projects in the U.S over 20 years ago.
This project involved approximately 5 miles of 30-inch SDR 32.5 PVC pipe. The project background and why PVC was selected over other materials are discussed.
This article gives details on 8.4 miles of PVC force main installed in Orange County in 20-36-inch sizes.
Article reviews how large diameter PVC was used for a storm sewer project.
Photo demonstrates how flexible PVC can be used in shallow bury applications.
Overview of a three mile irrigation project using 30-inch non-pressure PVC pipe.
This PVC Pipe News article is on a reclaimed project with 18 miles of 24-inch purple pipe.
Article reviews engineering and construction challenges involved with sliplining a 30-inch concrete sewer with 27-inch PVC pipe.
Shows that for trenchless applications PVC is by far the most widely used pipe, with the longest life cycle and is easiest to maintain or rehab (see pages 8-11).
Saskatchewan City’s large diameter storm sewer project was the first installation of 42” (1050 mm) and 48” (120 mm) PVC pipe in the world. At the deepest point on the site 42" (1050 mm) diameter PVC DR51 pipe was buried under 22 ft. (6.7 m) of fill. Sixteen years later a deflection measurement was taken and the vertical measurement versus the theoretical diameter of 42.6 in. (1083 mm) was measured to be 0.5 in. ( 12.6 mm), or 1.2% vertical deflection. The pipe is expected to remain stable with very little deflection over the long term.
“The reasons for choosing PVC were twofold: time and money,” says VUS president Allan Jones. “Polyethylene is great if you have long straight runs that don’t require numerous, expensive fittings to make the pipe work…otherwise it becomes extremely expensive,“ he explains.
Faced with boring through wetlands and under a creek to improve its sanitary sewer system, the City of Elmhurst, Ill, chose new large diameter retrained–joint PVC pipe and horizontal directional drilling.
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