Features

Dwight D. Wilson, City of St. Petersburg, FL

Around 2005, many utilities across the country were aware of the statistical data indicating that as the baby boomer generation reached retirement, there would be a substantial number of employees with many years of experience and expertise departing the workforce.

Just one way: according to the Florida Department of Transportation (FDOT), there was only one approved method for shoring a trench within the right-of-way of an Interstate -- driven tight sheeting.

Jeff Griffin, Senior Editor

Keeping sanitary sewer lines clear by regular cleaning is an important element in ongoing sewer system maintenance.

Matt Timberlake, President, Ted Berry Trenchless Technologies Team LLC

Pipe bursting is a trenchless replacement method in which an existing pipe is broken either by brittle fracture or by splitting, using an internal, mechanically applied force by a bursting tool. At the same time, a new pipe of the same or larger diameter is pulled in, replacing the existing pipe.

Anthony F. Caruana, supervisor, Town of Tonawanda, NY, is very proud of his community. “Our Town slogan, ‘A Great Place to Live, Work and Play’ is the guiding principle of our administration. Tonawanda is home to over 74,000 residents who take pride in our community, boast of the successes and achievements of our children, and believe we must be caretakers of our elders and stewards of our resources and environment,” he explained.

The Charter Township of Brownstown, MI, has undertaken an ambitious water-system improvement program that includes installing nearly eight miles of new water mains. Most of the project involves installation of pre-chlorinated HDPE pipe by the trenchless pipe bursting process.

John R. Kosnak, P.E., M. SAME and Harry R. Price, P.E., F. SAME

Following catastrophic failures encountered by the original owner of the Oakland Macomb Interceptor System -- the Detroit Water and Sewerage Department (DWSD) -- the need for condition-based asset management was identified. At DWSD’s request, NTH Consultants, Ltd. (NTH) performed a condition assessment of the entire Oakland Macomb Interceptor System primarily through the use of closed circuit television.

C. Vipulanadan, PhD, P.E., professor and director of Center for Innovative Grouting Materials and Technology (CIGMAT) and Texas Hurricane Center for Innovative Technology (THC-IT), Department of Civil and Environmental Engineering, University of Houston

The Center for Innovative Grouting Materials and Technology (CIGMAT) is currently working on projects related to composite coatings to protect reinforced concrete and repair methods for corroded steel piles. Over the years, CIGMAT researchers have developed unique testing facilities and developed test protocols approved by the U.S. Environmental Protection Agency to test grouts and coatings for infrastructure rehabilitation. A Life Cycle Cost model (CIGMAT-LCC) for wastewater systems has been developed and may be viewed on the CIGMAT website.

Vincent Rice has considerable experience planning underground installation jobs and is proud of his company’s successful pre-planning project track record. Rice, founder and president of Aaron Enterprises, York, PA, is extremely knowledgeable in the various disciplines of trenchless technology, and has been providing personalized trenchless installation services since 1976. The company focuses on auger boring, tunneling and directional drilling, and is known within their south central Pennsylvania trade territory as “rock specialists.”

The largest solar farm of its kind in North America elected to locate power and control cables in underground conduit made from high-density polyethylene (HDPE) as a way to increase the life of the facility. The 2.2 MW solar farm covers 25 acres and includes 382 solar trackers.

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