News

Following a trench collapse that killed one worker and injured another, an Ohio excavation company now faces Occupational Safety & Health Administration (OSHA) penalties in excess of $150,000.

In June 2011, American Airlines’ Tulsa Engineering Facility personnel discovered a severe leak in their fire suppression system following a recent activation. The section of damaged pipeline was approximately 70 feet long and was situated 8 feet below a power substation, and encompassed one 10-inch tee. Dig and replace was not a viable option.

Preliminary results from the Bureau of Labor Statistics’ National Census of Fatal Occupational Injuries released in August show little change in the number of workplace fatalities in 2010 compared with 2009.

The Metropolitan St. Louis Sewer District (MSD) signed a consent decree on Aug. 5 with regulators and environmentalists to make extensive improvements to its sewer systems and treatment plants, at an estimated cost of $4.7 billion over 23 years.

In an effort to learn continually from other operators and to improve North America’s pipeline system safety, the American Gas Association, the American Petroleum Institute, the Association of Oil Pipe Lines and the Interstate Natural Gas Association of America, together with the Canadian Gas Association and the Canadian Energy Pipeline Association, have initiated a comprehensive study to explore safety models and procedures currently utilized by other industry sectors in an effort to deliver natural gas and pipeline-transported liquids more safely and reliably.

Guest speaker Jason Iken, P.E., senior assistant director, city of Houston-Wastewater Operations Branch, spoke to nearly 90 attendees at the Underground Construction Technology Association (UCTA) Gulf Coast Chapter general luncheon meeting held in Houston on Aug. 3. The topic covered the city of Houston’s management of its sanitary sewer rehab program.

By NASSCO member Ed Kampbell, PE, Jason Consultants

There are four key elements to having a really good Cured-in-Place Pipe (CIPP) installation:
1. Proper saturation of the tube;
2. Proper inflation of the resin saturated tube in the host pipe;
3. A full and thorough curing of the resin system used; and
4. A proper cool-down of the CIPP.

by Matt Timberlake President, Ted Berry, Trenchless Technologies Team LLC, International Pipe Bursting Association Marketing Committee and Andy Meyer, President, Murphy Pipeline Contractors Inc., International Pipe Bursting Association

Pipe bursting is a proven method for replacing underground pipelines and is the only method of pipeline rehabilitation and replacement other than open cut-excavation that can increase the size of an existing utility without trenching.

Jeff Griffin, Senior Editor

The U.S. District Court for the District of Columbia has established a schedule for filing motions by both parties in the styrene industry’s legal challenge to the federal government’s designation of styrene as a possible cause of cancer.

There are many types of awards or special recognition bestowed annually in our industry -- the underground infrastructure construction and rehabilitation market. Most are well-deserved and for the right reasons (though there does seem to be a lot of “political” thinking involved in some of that recognition – but that’s a conversation for another day).

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