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CONTAINMENT CROSSOVER DETAIL <br />When installing a secondary containment system, some <br />preparation is necessary if the closest possible separation of ' <br />lines is required. To minimize the overall change in elevation <br />when installing a containment crossover, it is necessary to <br />shorten one leg of the 451 containment elbow and the side <br />outlet run of the containment tee. <br />Refer to Table 10 for the maximum length that can be removed <br />and for the minimum nipple length of both product piping and <br />secondary containment piping. <br />NOTE: Use self -tapping screws or match drill two holes (5116") <br />at a distance of 3/4" (19 mm) from the cut end of the 451 elbow <br />and the tee. <br />TABLE 10. Containment Crossover Information <br />I" Actual length of the product nipple will vary slightly because <br />of different insertion lengths due to variations of tapers. <br />To prevent interference of the pipelines, do not locate two <br />containment fittings closer than shown in Table 11 and the <br />drawing below. <br />TABLE 11. Pipe Separation Distanoes <br />Containment Pipe <br />Inches <br />Containment Pipe Size <br />3" (max. <br />4" (max. <br />6" (max. <br />E <br />In. <br />Fitting <br />in.) <br />in.) <br />in. <br />Remove frorn 45`' <br />14..50 <br />4 <br />8.50 <br />12.00 <br />1.25 <br />2.00 <br />1.25 <br />elbow <br />10.65 <br />15.00 <br />8.00 <br />Remove from side <br />1.50 <br />1.63 <br />1.00 <br />run of tee <br />C <br />mrn <br />D <br />nun <br />E <br />mm <br />Product nipple size <br />;rl <br />2x8 <br />3x8 <br />4x10 <br />Containmentnipple <br />3x6 <br />4x6 <br />6x8 <br />size <br />191 <br />30.5 <br />419 <br />I" Actual length of the product nipple will vary slightly because <br />of different insertion lengths due to variations of tapers. <br />To prevent interference of the pipelines, do not locate two <br />containment fittings closer than shown in Table 11 and the <br />drawing below. <br />TABLE 11. Pipe Separation Distanoes <br />Containment Pipe <br />Inches <br />A <br />in. <br />e <br />In. <br />C <br />In. <br />D <br />In. <br />E <br />In. <br />3 <br />7.50 <br />10.60 <br />6.50 <br />10.00 <br />14..50 <br />4 <br />8.50 <br />12.00 <br />7.50 <br />12.00 <br />16.50 <br />6 <br />10.65 <br />15.00 <br />8.00 <br />14.75 <br />22.00 <br />Containment Pipe <br />mm <br />A <br />mm <br />0 <br />rnrn <br />C <br />mrn <br />D <br />nun <br />E <br />mm <br />75 <br />191 <br />2.69 <br />165 <br />254 <br />368 <br />100 <br />216 <br />305 <br />191 <br />30.5 <br />419 <br />150 <br />271 <br />381 <br />203 <br />375 <br />559 <br />SUMP CONNECTIONS <br />Single Wall Sump Entry/Termination Fitting <br />(Refer to B2107 for installation information) <br />Sump Walt <br />Alignmeni Rn s Retainmg Rkig. <br />F..nlryRermkr ition fitting Rudy g �'g�ent Ring <br />Outaloe Sump C <br />Mole Na— InsWe Sunp <br />s <br />A <br />Double Wali Sump Entry/Termination Fitting <br />with Bonded Fiberglass Alignment Rings <br />(Refer to B2108 for installation information) <br />/Enn y.Temin Wn I"Body Supp Wall <br />ANgn— Rims <br />Outside Sump <br />,. <br />1 <br />I IDLE DIA <br />I <br />Retaining Rina <br />s <br />A <br />• Sump Entry/Termination Fitting with Gasket <br />(Refer to 62109 for installation information) <br />A <br />I I <br />Entryfrerminatfan Flitting Body <br />/ sum wall <br />J'� Gaskot <br />C I Lube Gasket <br />NtA <br />CHole <br />Ola. <br />Compression Ring <br />19 <br />