1) All pipe shall be made of a long hole, surrounded by metal or plastic circumferential to the hole.
2) All pipe shall be hollow throughout the entire length – do not use holes of different length than the pipe.
3) The I.D. of all pipe must not exceed the O.D. –...
New Government Pipe Manufacturing and Laying Guidelines:
Thursday, September 19, 2013
New Government Pipe Manufacturing and Laying Guidelines:
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