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Atmefflkt <br /> DualoyD Installation <br /> Guidelines for Service <br /> Station Layout <br /> using Dualoy 3000/1-fiberglass <br /> piping systems <br /> Introduction Adhere to the methods illustrated in the following photographs when installing Dualoy <br /> 3000/L buried fuel handling piping systems. <br /> Petroleum piping <br /> i •Maintain a minimum 6112"distance between <br /> parallel lines and between the trench side <br /> wall and the piping.•Piping runs must be <br /> straight.•Use Phil-Tete styrofoam pipe <br /> spacers to support the pipe.•Maintain a <br /> minimum 2'h"vertical clearance between <br /> lines at crossovers.•Keep the trench <br /> bottom clean and free from debris. _ •, <br /> •Remove the surface gloss bylight sanding <br /> to a uniform length at the ends of each piece <br /> of containment pipe before installing the <br /> containment fittings.•Uniform gloss <br /> removal makes it easier to determine that the <br /> containment pipe is inserted to a constant <br /> 1 Z inch depth in the containment fittings. <br /> UUnderwriters C <br /> ® L Laboratories Inc.® L <br /> tso•9oo, <br /> z <br /> 'RMtr ATW FIRM <br /> FP626(7/95) <br />