News

A study funded by the Plastics Pipe Institute Inc. (PPI) that evaluated the successful use of corrugated, high-density polyethylene (HDPE) pipe for use under heavy rail car loads with shallow cover, is now available on-line: www.plasticpipe.org/drainage/cppa_technical.html.

Jeff Griffin, Senior Editor

In a transaction that surprised most of the underground construction industry, the Earth Tool Co. and its HammerHead product line was acquired by The Charles Machine Works Inc., manufacturer of Ditch Witch equipment.

Madewell
The Madewell PortaMortar machine mixes, pumps and sprays high build restoration mortar and 100 percent solids epoxy coatings in difficult to reach areas.

Traci Read, Senior Editor

Don't gamble with your safety — if you're a professional excavator or a homeowner, smart digging always requires a call to 811. Knowing where underground utility lines are buried before you dig will help protect you from injury and prevent damages to utilities, service disruptions and potential fines and repair costs.

Traci Read, Senior Editor

In 2010, the North American Society for Trenchless Technology (NASTT) celebrates its 20th anniversary. Founded in 1990, NASTT is composed of trenchless professionals who are concerned with underground systems and the applications of trenchless technology.

Congressional concern about "fracing" took another step forward when the chairman of the House Energy and Commerce Committee sent letters to eight companies asking for details on the chemicals they use during horizontal drilling of shale gas deposits. Rep. Henry Waxman (D-CA), chairman of the committee, implied in a memorandum to committee members that the "Big Three" of fracing may have violated a voluntary memorandum of agreement they signed with the EPA in 2005.

NASSCO member Barry Howell, General Manager, Visu-Sewer, Inc.

Without a doubt, the most misunderstood facet of sewer cleaning is the relationship between flows and pressures. Generally, pressure is mistakenly viewed as the wildcard or the reason for concern, and flow is usually ignored. Operators often misunderstand the operation of their pump, the relationship to hose diameter and length to performance and other variables of jetting.

Robert Carpenter, Editor

Politics is a tough business. Just ask the U.S. Conference of Mayors. After years of largely underfunding and ignoring the festering problem under their streets, this group authorized a “special report” stating the obvious: they’ve got serious problems with their sewer/water systems, including the underground piping infrastructure.

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