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Secondary Containment System Installation <br /> of the containment pipe.. the fitting body. <br /> ---- --------- 3- Using a sander,coarse c. If needed,mix adhesive with filler to grout in any <br /> ---- -----—- file, or 30-40 grit emery gaps or voids in the bond line or to create a smooth <br /> cloth,remove surface gloss wrapping surface <br /> from both ends of the nip- d. Per instructions in the 8088 repair kit,apply adhe- <br /> Cut pies and the containment sive to the sanded area.Wet out glass and wrap <br /> pipe. Sanded area must be around the fitting as though it were a section of <br /> a minimum of 3 inches(75 pipe,centering the first layer over the joint and ex- <br /> mm)in length. tending 2"past the end of the fitting onto the pipe. <br /> 4. Position the nipples be- Apply tension to squeeze adhesive through the <br /> tween the new contain- glass layer.For elbows and tee,slits may have to <br /> ment elbow and contain- be cut in the center section for glass to lie flat. <br /> C° 11W, ment sleeve couplings. e. Repeat previous step on the center of the joint and <br /> C."t.k.—t <br /> St.-C—P" NOTE: It may be neces- then the other side of the fitting extending 2"over <br /> sary to remove additional the end of the fitting.When starting the glass,you <br /> sections of the contain- must overlap the first wrap a minimum of 2" <br /> ment pipe to provide f. Repeat two previous steps until three layers of <br /> clearance for the cou- glass have been placed over the fitting. <br /> pling. g. Cure per the time listed in the adhesive kit. <br /> 5. Bond the elbow and con- <br /> tainment sleeve couplings <br /> into place according to in- <br /> structions. <br /> B. Repairing Minor Pipe Damage to Pipe D. Repairing Extensive Pipe Damage <br /> Follow the pipe patching instructions on page 15,of this When damage is less than two inches(50 mm)long,but <br /> manual when the damaged area is two inches(50 mm)or more than two inches around the circumference of the pipe, <br /> less in diameter. the following repair procedures should be followed: <br /> If the pipe is buried, excavate a working area large <br /> enough to allow for repairs to be made. A secondary contain- <br /> ment sleeve coupling should be used to make this type of re- <br /> pair. Containment sleeve couplings are 14 inches(350 mm) <br /> long;therefore,do not remove more than 7 inches(175 mm) <br /> Patch barrage of containment pipe. <br /> CAUTION: When cutting out extensive damage in <br /> the containment pipe(only),be extremely careful not to <br /> damage the internal product piping. <br /> C.Repairing Minor Damage to Fittings <br /> 1. Small repairs(pin hole leaks and leaks up to one-inch 1. After cutting free the damaged section of containment <br /> in diameter)using 8088 Repair Kit. pipe(no more than 7 inches/175 mm long),slit the <br /> a. Take pressure off the system and dry the area section of pipe in half and remove. <br /> around the leak. 2. Using a sander,coarse file,or 30-40 grit emery cloth, <br /> b. Sand an area 3"minimum on each side of the remove surface gloss from both ends of the pipe. <br /> leak. Sanded area must be a minimum of 3 inches(75 mm) <br /> c. Cut three 3'x3"patches from the glass supplied in length. If contaminated,clean the sanded surfaces <br /> with the 8088 repair kit. with solvent. <br /> d. Mix adhesive per instructions supplied in the Wit 3. Mix the adhesive with filler. Assemble and bond the <br /> e. Paint adhesive on the sanded area of the fitting. containment sleeve coupling into place,and heat cure <br /> f. Apply the first layer of glass and wet out with adhe- the bond. <br /> sive.The glass may be wet out before it is applied 4. After the repaired section has cured,pressure test the <br /> to the leak area. system following the procedures on page 25. <br /> g. Repeat the previous step and apply another layer <br /> of glass. If damage is beyond these repair procedures,immediately <br /> h. Cure per the time listed in the adhesive kit. contact your local Smith Fibercast distributor for information <br /> and assistance. <br /> 2. Flange section or joint leak repairs(overwrapping <br /> entire fitting)using 8088 Repair Kit. <br /> a. Take pressure off the system and dry the area <br /> around the leak. <br /> b. Grind or cut flange sections off the clam shelf <br /> secondary containment fitting and sand flush with <br /> RED THREAD IIA Pipe & Fittings 26 <br />