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SECTION 9 ♦ Repairs <br />Pipe to Fitting <br />I I <br />1 I <br />Fitting Flange <br />to <br />Fitting Flange <br />FIGURE 2.9.1 <br />r Leaking 90' Secondary <br />11_ Containment Elbow <br />SECTION 9 + REPAIRS <br />For damaged pipe and for leaking joints, Smith Fiberglass <br />Products recommends only the repair methods listed be- <br />low. See Fig. 2.9.1, which shows where leaks can occur if <br />secondary containment joints are not properly bonded. <br />DO NOT 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 I.ealdnlg 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 />° o o <br />e o <br />Cut <br />FIGURE 2.9.3 <br />FIGURE 2.9.4 <br />Containment Elbow <br />Containment <br />Sleeve Coupling <br />r -O 0 0 IF -0 ° _____ <br />___ _F� - - - - - - - - - - <br />° 0 ° a 0 0 <br />° <br />° i ° <br />0 i ° <br />0 <br />°I 1° <br />° Nipples <br />i l <br />FIGURE 2.9.5 <br />Patch —4p- <br />�►�f�� , . <br />FIGURE 29.6 <br />I , , 4 <br />30 No Installation Instructions <br />• <br />• <br />