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SECTION 20 HORIZONTAL DIRECTIONAL DRILLING …
stainless steel backing flange, 125-pound, ANSI B16.1 standard, and gaskets as required by the manufacturer. c. Stainless Steel bolts and nuts of sufficient length to show a minimum of three complete threads when the joint is made and tightened to the manufacturer’s standard. Retorque the nuts after 4 hours. d. Butt-Fusion Joining: Butt-fusion of
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