Features

Jeff Griffin, Senior Editor

In less than six months, the U.S. Environmental Protection Agency (EPA) Interim Tier 4 emission standards will go into effect for many types of off-road diesel powered equipment used in underground construction, and equipment owners and operators are devoting increasing attention to the changes they will bring.

A record registration of 200 attendees marked the American Pipeline Contractors Association’s 39th Annual Convention at the El San Juan Hotel & Casino in San Juan, PR. This was on top of a record attendance at the 2009 meeting in Scottsdale.

A near-record crowd of 350 attended the Power & Communication Contractors Association annual convention at the Contemporary Resort, on the grounds of Walt Disney World in Orlando, FL, March 20 – 23. That number included 20 new members and 40 first-time attendees.

In 2009, Michels Pipeline Construction, a division of Brownsville, WI-based Michels Corp., was involved in construction of portions of three major North American pipeline projects: TransCanada’s 2,148-mile Keystone Pipeline, Kinder Morgan’s 1,679-mile Rockies Express Pipeline and Enbridge Energy’s 1,000-mile Alberta Clipper Pipeline.

Aaron Eder, P.E., Kennedy/Jenks Consultants

Despite all it has to offer as a nature park, a large portion of Powell Butte in Portland, OR, slopes toward Meadowland Mobile Home Park (MMHP), a community of approximately 200 residents. Since it was developed in 1988, MMHP has historically experienced flooding and saturated ground conditions each winter during severe storm events. The relatively impermeable soils and high local groundwater conditions exacerbate the problem.

Jeff Griffin, Senior Editor

LMK Technologies has introduced to the North American market a new robotic camera/cutter system for rehabilitating sanitary sewer laterals. The German-made Schwalm robotic systems, widely used in Europe and Asia, are available now from LMK Technologies, said Larry Kiest, chief executive officer and president of LMK.

With typical daily temperatures barely topping 5 degrees Fahrenheit, winters in Calgary, Alberta, can easily hinder trenchless operations. Liquids in machinery can freeze solid, while expanding groundwater can potentially warp rails and other equipment in launch pits.

Workers placed the last piece of the Aurora Prairie Waters Project supply pipe on Thursday, February 11, 2010, nearly two years after pipeline construction began. The Prairie Waters Project will help drought-harden the city of Aurora, CO, beginning in 2011.

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.

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.

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