Project provides challenges for shoring system

By Aram Kalousdian

A concrete natural gas valve vault/junction chamber was installed at the southeast corner of South Lincoln and East Division in Rockford, MI, in November 2008.  The pit size was 12 feet wide by 16 feet long by 12 feet deep.  Kent Power, of Kent City, MI, was the prime contractor for the project.

Pro-Tec Equipment provided its Slide Rail Shoring System.  “There were overhead wires nearby, and this pit was 12 feet from a major four-lane road.  A traditional box couldn’t be used, “Thomas Marciniak, Pro-Tec Marketing/Sales representative said.  There was approximately 5 feet deep, and soft, sticky clay made the Slide Rail Shoring System difficult to remove.

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