April 2009 Utility Contractor - Table of Contents |
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COVER STORY - Portrait of a President
Frozen in time — whether captured by celluloid or a digital string of zeros and ones — photographs capture a moment. Occasionally, we pull the photo album off the shelf and leaf through the yellowed pages that hold the images of the past to get perspective on our futures. The NUCA Presidency is one of those times when a dash of self-reflection can go a long way before Congressional meetings and association leadership. Over the next five pages, Utility Contractor will take a look at where the 2009 NUCA President Lyle Schellenberg has been and talk to Lyle about where he’ll be taking NUCA in the next year. more >>
By Jason Morgan |
Feature Story - What’s Ahead for the Underground Movement? - The Number of HDD Installations Has Increased Significantly — but Challenges Loom
Under the mainstream methods of backhoeing and excavating a utility counterculture pulsates — pumping life into new markets. more >>
By Randy Happel |
Feature Story - The Hole Truth - Hydro Excavation Systems Provide Precise, Safe Utility Location
In a split second an entire city goes dark, a building explodes, 911 lines go dead and a town’s water supply stops. The culprit? A seemingly harmless shovel or backhoe that unintentionally damaged buried electric, gas, telephone or water lines during construction operations. more >>
By Barb Cooper |
Feature Story - Concrete Pipe — G-r-r-reat for Sanitary Sewer - Permarc Pipe Designers Conquer Concrete Pipe Corrosion
In the home of Tony the Tiger, mascot for Kellogg’s Frosted Flakes cereal, concrete pipe is g-r-r-r-eat for a sanitary sewer receiving approximately 920,000 gal per day from the Kellogg cereal company, based in Battle Creek, Mich. The 3,000-ft run of sanitary sewer was needed by the City of Battle Creek to replace an 80-year-old clay pipeline that collected sewage for treatment in a facility located 25 miles away in Fort Custer, Mich. The primary challenge that had to be overcome by the pipeline designers was the acidic characteristic of the sewage. A low pH threatened the service life of the concrete pipeline and a sewage spill, unless the concrete mix was fortified with an admixture that would resist the potential effect of corrosion. more >>
By Robin Wolf |
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