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0 <br /> Secondary Containment Installation Instructions <br /> a. Installation Procedure- and connections to other material (refer to <br /> Manual No. E5000-or E5200 for CHEM <br /> 1) Bond the coupling into the primary pipe THREAD product). Guides must be installed <br /> line. with spacing as shown in Manual No. E5000 or <br /> E5200. <br /> 2) Apply adhesive to all machined areas. <br /> Summary: Anchor the primary pipe to the contain- <br /> 3) Use the bottom half of the containment ment pipe. Use the larger temperature change (pri- <br /> coupling for alignment. many or secondary) to determine the design condi- <br /> tions. Control the expansion or contraction of the <br /> 4) Use bolts to assemble the top half of the containment pipe using one of the methods in <br /> containment coupling. Manual No. E5000. <br /> b. Anchor Locations- Note: As shown in Manual No. E5000, non-con- <br /> tained (single pipe) systems that are buried do not <br /> Anchors are required for systems with a tem- require anchors. However, containment (double <br /> perature change that would create length wall) systems that are buried and have expansion <br /> changes in the system. Systems with mini- of the primary system do require anchors. When <br /> mum changes at ambient temperatures do not centralizers are used in the system, there is a very <br /> require anchors. small gap between the centralizer and the outer con- <br /> tainment pipe wall. When the difference in thermal <br /> Systems designed for elevated temperature ser- expansion of the containment pipe and the primary <br /> vices must be anchored. All directional and el- pipe produces movement greater than the values in <br /> evational changes must be anchored. Table 6, anchors are required. Expansion for both <br /> Additional anchor locations include straight pipe systems can be obtained from Manual No. <br /> runs greater than 300 ft., pipe size changes, E5000 or E5200. <br /> Anchor to Earth <br /> (See Manual E5000) <br /> 'P'ipe�CnChot` %: <br /> (5ee.tlaiwaT .::` <br /> a - <br /> I 4 <br /> 0 0 i o a e 01 <br /> Anchor and Secondary ....... ... ------- <br /> Containment Coupling <br /> - ---------------- <br /> ------ - _ --------- <br /> a a a o <br /> Special Coupling Machined Riser <br /> (Anchor Coupling) <br /> Figure 11 <br /> 10 <br />