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0 0 <br /> Dry fitting secondary Cutting containment piping <br /> containment systems Ameron containment piping employs a straight joint.Use of tapered pipe ends in <br /> straight containment fittings will result in a gap in the joint.When employing pipe that <br /> has been delivered with a factory taper as containment piping,remove the taper as <br /> shown in Fig.7-1. <br /> After cutting containment pipe to length,use a flapper sander,coarse sandpaper or <br /> emery cloth to remove the surface gloss for 1 to 1'b inches from the square-cut end of <br /> — the pipe.Surface gloss is most <br /> Protective end cap conveniently removed before <br /> (from factory) the containment pipe has been <br /> Cut pipe here'rftapered placed over the primary. <br /> (discard taper) Place containment fittings <br /> Fig.7-1.Some containment pipe maybe under the dry-fit primary <br /> received with tapered ends.Cutofftha fittings when measuring the <br /> tapers and remove the surface gloss for Oil <br /> a i <br /> 110 1'12 inches length of containment pipe to <br /> from the end ofthe pipe. be cut.Cut the containment <br /> pipe to allow 1 to 11/2 inches for <br /> Removesurfaoegloss insertion into each fitting as <br /> Factory taper shown in Fig.7-2. <br /> Remove gloss from <br /> r t exterior of secondary <br /> Fig.7-2.Always include a coupling inf,2 f f,2 <br /> the secondarywherevera primary OP <br /> coupling is located. <br /> Fig.7-3.In runs less than the standard l<one standard <br /> 20-foot primarypipe length,include a primary pipe length <br /> containment coupling to provide (run under 20 ft) t I <br /> access to the primary during bonding, ° ■ o ■ ° <br /> testing and inspection. In short primary ° -------- <br /> runs where lack ofspace prevents the use <br /> of a full-length containment coupling,use <br /> LA--- <br /> a half-coupling instead. <br /> Cutting containment couplings <br /> The center holes on 2-inch couplings have been located near the middle of the coupling. <br /> Cut exactly between these two holes.The resulting half-couplings will be 7 inches long. <br /> Two cuts are necessary when making 3 and flinch half-couplings. <br /> The resulting half-couplings are 51b inches long. <br /> I <br /> O O <br /> Fig 7-4. Cut full-length couplings so ------- ------- — ----- --that all bolt holes on half-couplings are o 0 0 <br /> equidistant from the ends. o 0--t o o <br /> Cut to make 2-inch <br /> half-couplings <br /> Cut to make 3,4 andL 1 1. 6 inch <br /> half-couplings <br /> 6 <br />