water main replacement Articles
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Economic Model for Prioritizing Pipe Replacement Programs
INTRODUCTION The condition of public infrastructure has become a common story in the United States media. Numerous newspaper, magazine, and television reports have described the need to upgrade the nation’s aging infrastructure. Estimated costs for these upgrades are staggering, typically in the hundreds of billions if not trillions of dollars. Despite these high estimates, there is no ...
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Catchment `greening` using stormwater in Adelaide, South Australia
ABSTRACTThe paper reviews the goals of stormwater management adopted in Adelaide and declares a focus on harvesting of stormwater to replace mains water in irrigating areas landscaped with grass, flower beds and shrubs. Four categories of catchments are recognised according to their levels of pollution production - roof runoff and 'low', 'medium' and 'high' pollution runoff surfaces. Four case ...
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A decision support tool for water mains renewal for small to medium sized utilities: a risk index approach
All over the world water mains are under increasing threat due to aging, aggressive environmental factors, operational factors and inadequate maintenance. Extensive maintenance, repair and rehabilitation practices, or replacement of water mains are required to ensure an acceptable performance of water supply systems. Investment deficit for water system maintenance and rehabilitation has been ...
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Successful Isolation of 48” Water Main and Backflow Prevention
Salem, OR When they contacted Hydra-Stop, the primary need for the City of Salem was replacing a section of the existing water mains that were aging and put the City’s water supply at risk. In order to do this they had to isolate the water main from the City’s water system. This 48” line had been in the ground for fifty years. There were significant concerns about the integrity of the pipe and ...
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Phoenix Student Residence, the University of Brighton UK - Case Study
OVERVIEW In July 1996, a 4” ION ScaleBuster® SB100 was installed at the student residence to protect the cold water taps, WCs and unvented hot water cylinders. WATER SYSTEM CHALLENGES Annual water consumption of the building (which went through the ION ScaleBuster®) was 11,587 cubic meters. In Brighton (the southern England coast region) the water is hard to very hard – ...
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Case study - Jay Hayter and Chris Mead’s Eco house at Elephant and Castle, Dick Strawbridge and BBC’s “It’s Hard to be Green”
Petite, mid 19th century terrace house at 36 Wansey Street, London SE17 1JP, just south of Elephant and Castle. Undergoing major renovation with eco features, the first of which is rainwater harvesting. The Site Petite, mid 19th century terrace house at 36 Wansey Street, London SE17 1JP, just south of Elephant and Castle. Undergoing major renovation with eco features, the first of which is ...
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Getting ready for a larger panama canal - assessing a critical large diameter force main
Abstract Opened in 1905, the Government Cut is a manmade shipping channel between Miami Beach and Fisher Island, which allows better access to the Port of Miami in Miami, Florida. Before the Cut was established, a single peninsula of dry land stretched from what is now Miami Beach to what is now Fisher Island, and boats destined for the port at the mouth of the Miami River had to pass around Cape ...
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Good Risk Prioritization Puts City Of Saskatoon On Top Of Its Game
While pipeline management may seem unaffordable, understanding the condition and targeting repair provides an alternate approach to wholesale replacement and allows operators to accomplish the same de-risking effort with less money. The City of Saskatoon operates more than 100 kilometers of water mains (400 mm diameter and larger) within the Water and Sewer Preservation Group. The City has an ...
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Top Tips for Using Rainwater Domestically & Commercially
Did you know that rainwater can be used (instead of mains water) for a huge number of activities and tasks domestically and commercially (inside and outside). As an alternative water source, rainwater recycling can help reduce typical household water usage by up to 70%, with hot water applications by as much as 85%. Utility bill reductions can a real difference to your household expenses too. ...
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USA water challenges are many, but so are the solutions
Many of the nation's water-supply systems need expensive improvements. And in the West and elsewhere, utilities are focused on finding enough water to meet demand. Although the problems are complex, experts generally agree on some basic solutions. PROTECT WATER SUPPLIES Providing clean drinking water starts at the source - whether it's an underground aquifer, a lake or a river. Many water ...
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