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The focus on environmental issues and “green construction” techniques is readily apparent in today’s construction marketplace. The U.S. Green Building Council and their Leadership in Energy and Environmental Design (LEED) Green Building Rating System for New Construction program places the emphasis on use of environmentally friendly construction

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When we set out to write a specification for a flexible pipe system it is important to remember that flexible pipes are composites of both the pipe and the compacted backfill around the pipe. Most specifiers do a very good job of specifying the pipe itself. They use AASHTO, ASTM, DOT, County, or Municipal specification sections or numbers to call

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