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Pipe to Fitting <br />I <br />1 I <br />Fitting Flange <br />to <br />Fitting Flange <br />FIGURE 2.9.1 <br />Leaking 90° Secondary <br />Containment Elbow <br />® • o <br />e <br />4-r ° <br />I I <br />I 1 • <br />I I <br />I 1 <br />FIGURE 2.9.2 <br />srW <br />for leaking joints, Smith Fiberglass <br />ends only the repair methods listed be - <br />:2.9.1, which shows where leaks can occur if <br />ry containment joints are not properly bonded. <br />OT attempt to repair damaged fittings. Upon com- <br />pletion of required repairs and before putting the line <br />back into service, always pressure test the repair work ac- <br />cording to the procedures in Part Two, Section 8, to assure <br />the integrity of the system. <br />2.9.1 Replacing Leaking Secondary Containment Joints <br />(Do not use this procedure for containment crossovers.) <br />Example: 90° Secondary Containment Elbow <br />When cutting out and replacing a secondary containment <br />fitting, be careful not to cut the internal primary product <br />pipe (see Fig. 2.9.2). <br />1. Dissect the secondary containment fitting and the sec- <br />ondary containment pipe around its circumference as <br />shown by the arrows in Fig. 2.9.3. Remove the con- <br />tainment elbow. <br />2. Create a pipe nipple at least 7 inches (180 mm) long <br />on either side of the joint by making another cut <br />around the circumference of the containment pipe as <br />shown in Fig. 2.9.4. <br />r: <br />® O <br />O <br />O kO <br />Cut <br />FIGURE 2.9.3 <br />FIGURE 2.9.4 <br />Containment Elbow <br />Containment <br />Sleeve Coupling <br />°o o• o 0 0 <br />° 0 a 0 0 0 <br />0 <br />01 1 0 <br />0 i 0 <br />0 <br />e <br />°I I° <br />I I <br />° i Nipples <br />I 1 <br />' FIGURE 2.9.5 <br />FIGURE 2.9.6 <br />30 0 Installation Instructions <br />