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F C Ejxsw I V <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />Example: 90° Secondary Containment Elbow <br />When cutting out and replacing a secondary containment fit- <br />ting, do not cut the internal primary product pipe. <br />1. Dissect the secondary containment fitting and secondary <br />containment pipe around its circumference as shown by <br />the arrows. Remove the containment elbow. <br />2. Create a pipe nipple at least 7" (180 mm) long on either <br />side of the joint by making another cut around the cir- <br />cumference of the containment pipe. <br />3. Using a sander, coarse file, or 60-80 grit Emery cloth, re- <br />move surface gloss from both ends of the nipples and <br />the containment pipe. Sanded area must be a minimum <br />of 3" (75 mm) in length. <br />4. Position the nipples between the new containment elbow <br />and containment sleeve couplings. It may be necessary <br />to remove additional sections of the containment pipe to <br />provide clearance for the coupling. <br />Bond the elbow and containment sleeve couplings into place <br />according to instructions. <br />Leaking 9Secondary <br />Containment Elbow <br />57 <br />