AWWA releases new book examining water contamination outbreaks
Ensuring Safe Drinking Water offers 21 case studies and in-depth analysis of delivering safe water to consumers (DENVER) – The American Water Works Association has announced the release of its newest publication, Ensuring Safe Drinking Water: Learning From Frontline...
Locating Laterals in CIPP Liner Using Thermography in the City of Sarasota
The City of Sarasota, Florida recently contracted with Miller Pipeline to line approximately 1500lf of 30” sewer mainline using CIPP liner. The liner was 15mm in thickness. With that thickness liner the “dimples” that are usually visible to delineate the service...
GHD and Conestoga‐Rovers & Associates Unite
GHD and Conestoga‐Rovers & Associates (CRA) have joined together to create a global leader in engineering, environmental consulting, architecture, and project management services. The result is a company that is more than 8500 strong, with 4000 in North America...
Big Breakthrough Finale for Twin Robbins EPBs in San Francisco
A specialized Robbins EPB broke through to fanfare on June 11, 2014, marking the completion of twin tunnels at San Francisco’s Central Subway in California, USA. The first of the two machines holed through on June 2, with both Robbins machines achieving swift advance...
A Tale of Two Swagelines – Contrasting Conditions Assess the Versatility of Swagelining in Ft. Collins, Colorado
Fort Collins Utilities was faced with the need to rehabilitate two critical water supply pipelines. One was a 24-inch concrete transmission main that followed a very serpentine alignment along the Poudre Canyon north and west of Fort Collins. The concrete raw water...
Using In-Pipe Condition Assessment to Optimize Small Water Main Renewal
Without good pipe-condition data, water main renewal cannot be optimized. Poor information about the integrity and life expectancy of water mains results in three basic asset management errors: • Relatively strong mains are often discarded, because they are perceived...
AOC Resins Participates in CIPP Project at Canadian Automotive Plant
Global resin supplier AOC, LLC collaborated with Clean Water Works Inc. (CWW), an Ottawa-based leader in pipeline rehabilitation, to restore the sewage pipes serving an automobile factory in Windsor, Ontario. Using polyester felt tubing saturated with AOC’s Vipel...
St. Petersburg, Florida Utilizes 30-inch Fusible PVC® Pipe for a 1,700-foot HDD on Major Wastewater Transmission Pipeline
Located on a beautiful peninsula between the Gulf of Mexico and Tampa Bay, the City of St. Petersburg is the fourth largest city in Florida. Home to the Tampa Bay Rays MLB team, Salvador Dali Museum, annual Gran Prix Indy Car race, and the St. Pete Pier, the “Sunshine...
Emergency Bypass System Overcomes Obstacles
A city in Alabama discovered severely deteriorated sewer lines, which could fail at any moment, during routine maintenance on a 36-inch trunk sewer line. The city engineer and sewer department determined that the 36-inch trunk line had several upstream and downstream...
Analysis and Design of Pipe Ramming Installations Final Report SPR 710
In November, 2013 Armin W. Stuedlein, PhD, PE and Tadesse Meskele of the Geotechnical Engineering Group, School of Civil and Construction Engineering at Oregon State University completed a research project on pipe ramming installations for the Oregon Department of...