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loosely on the blade holder until contact is made with the alien screovs. 'I he two allen screws should now he positioned so that each n)al.c I,IG11'11, contact with IIIc bearing plate (sce I:ig. 1). Note: I he allcn screws prevent file blade fr(m) moving away from the pipe. If wilw og the gauge is difficult, the allen screws have been over- tightened. I he tool is now prepared to re- n)ove the gloss from the ends of the containment pipe. After re- rruoving the gauge, insert tile tool into the pipe to he machined until the blade just touches the end of the pipe. The tool must be rotated in a counter -clockwise direction. Advance the tool in approximately %" increments after each revolution and cont:iut)e the machining oper- ation until the gloss has been rc- m)oved for a minhnum length of 3". An alternate method to prepare the end of the pipe is to sand with '10-40 grit sandpaper to remove all surface gloss. You may use belt sanders or a coarse crit flat file. The sanded length must be a mini- mum or 3". Pipe must fit snugly in file sock- et of the fitting (see Fig. 4). Pipe Assembly* 'I he containment pipe must be positioned over the product pipe hefore bonding the product pile. After testing the product pipe, the containment fittings shotild he in- stalled and the containment sys- tem tested. Note: Do not leave rocks, sand, or other debris in the containment pile and fittings. Fvpically, the length of the containment system is detcrn)ined (roil) the following equation: 1. = WA1, of Product Piping) - X I - X2 Where: X I = Filling #1 X2 = Fitting #2 Refer to Fig. 2.. First deterrr)ine the length (OAI.) of the product pipe; then determine the fittings to he used on each end of the product pipe. Next, find the corresponding mmIIbcrs in the table in lig. 2 (X1 fol the first filting and X2 for the second fitting). subtract X I and X2 from) the Icugth (OAL) of the product pipe. This will be the length (l.) of the containment pipe. For example, if 2" product pipe is 20 ft., 6 in. long, and you are using a 90° elhow ou one end and a 45° elbow on the other end, then crit file containment pipe 20 ft., 2 in. long. Note: since every insertion of the primary (product) piping nr)y vary, dry fit all secondary con- tainment connections to ur)ke simre that the insertion is approxi- n)atcly 3". Be sure that the con- tainineni pipe is not inserted too far into file containn)ent fitting. 'Fhe glossy O.I ). of the (ontain- ment pipe should riot be seated in the containn)cnt fitting. It is helpful to lay out the sys- tem), cut, taper, and (Iry fit all product lines. Where possible, place coi)tainn)e►)t fitting halves under the product fittings (see Fig. 3). a C�I ay out syslcni with all dry joints ('ontaitinient fittings consist of two halves with flanges as shown III Fig. 3. The bottom half has threaded inserts for ease of assem- bly. Fittings arc assembled with ad- hesive and 114-20 washer -head hops that are furnished with the fittings. The required holes are supplied in small plastic hags. If extra bolts arc required, purchase from your distributor; or you can use standard 1/4-20 hex -head bolts. If you use standard holts, place a flat washer on the bolt be- fore torquing. Containment Product Pipe Pipe 1 X_ fOAL X2 1_ = WA1, of Product Piping) - X1 - X2 X X Product 90` Ell, Tee X Termination Pipe Size coupling 45" Ell Fitting in. mm in. mm in. min 2" 2�f 54 1'X 48 4'/, 121 3" IX 48 2X 57 4X 121 4" ix 48 2X 54 6 152 Figure 2