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K ) <br /> tt YY � Y q i <br /> Guidelines for Service <br /> Station Layout <br /> using Dualo 3000/L fiber <br /> � S �, <br /> piping systems e�,."A, <br /> 1l s <br /> Introduction Adhere to the methods illustrated in the folio ing photographs when i calling Dualoy <br /> 3000/1-buried fuel handling piping systems. <br /> Petroleum piping - . �. _. a . - <br /> •Maintain a minimum 6'/2"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'/2"vertical clearance between ktill <br /> lines at crossovers.•Keep the trench <br /> bottom clean and free from debris. <br /> 1 <br /> •Remove the surface gloss by light 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 r r <br /> containment pipe is inserted to a constant <br /> 1 F inch depth in the containment fittings. ~' a . <br /> UUnderwriters <br /> p, Laboratories Inca L �.=• 1�� '��} F r��,�. Y��`j,,_ �. <br /> +�•e` ,+r�i`tr. � -•j�"mac'' n � v,�*.�x'ily <br /> FP626(7/95) <br />