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0 Secondary Containment System Installation JOINT PREP ADHESIVES Installation Preparation For secondary containment systems conveying alcohols Before bonding the two-piece clam shell containment or alcohol/gasoline blends,use 8000 or7000 series adhesive. fittings, the installation procedures should be reviewed with Follow the adhesive mixing instructions that are packaged the installation crew members. In order to maintain the with each kit. efficiency of the installation, a minimum of three workers is recommended: one worker to mix and apply adhesive to Refer to page 7 for information on adhesive labeling. the secondary containment fittings and the two remaining workers to assemble and bolt the fittings together. ADHESIVE MIXING Cleaning the Bonding Surfaces When the weather is cool or the adhesive has been It is recommended that all bonding surfaces are stored in a cool environment (below 650F), prewarm the cleaned before bonding. DO NOT TOUCH THE BOND- adhesive kits. (Do not heat above 100 F) ING SURFACES OR ALLOW THEM TO BECOME CONTAMINATED. Empty all of the contents of the hardener. NEVER ATTEMPT TO SPLIT A KIT. Cut through the adhesive Acceptable cleaning methods are as follows: with the edge of the mixing stick to assist in mixing the • Sand all bonding surfaces until contamination is ° two components. removed. Mix until the adhesive has a uniform color and a • Dirt Contamination can be removed by water washing. consistent flow off the mixing stick. Wipe down the Be sure the surfaces are dry before bonding. sides, bottom, and under the rim of the can with the • Sand all machined ends that have been exposed to mixing stick to assure complete mixture. sunlight and have turned yellow or brown in color. FILLER MUST BE ADDED TO THICKEN THE • Use of a solvent as a cleaning method is optional. Some ADHESIVE. The filler is packaged in premeasured alternate cleaning solvents available through local quantities for use with 7014 or 8014 and 7069 or 8069 hardware or industrial supply houses are acetone, adhesive kit. One bag of filler is used for each adhesive alcohol, methylene chloride, and methyl ethyl ketone. kit. Before adding the filler to the mixed adhesive, be After cleaning, be sure any residual solvent has sure both the adhesive base and hardener are thoroughly evaporated before applying adhesive. DO NOT USE mixed together. All of the filler in the bag should be SOLVENTS THAT LEAVE AN OILY FILM ON THE used. The thickened adhesive may be applied with BONDING SURFACES. either the brush or the stir stick provided in the kit. Refer to Table 14 for the number of adhesive kits required to bond containment fittings. WARNING: Some degreasers and solvents are TABLE 14. Adhesive Kits Per Containment Fitting extremely flammable. Be sure to read warning labels on containers. Never use gasoline,turpentine 7069 or 8069' or diesel fuel to clean joints. Type (Kits per Fitting) If you have questions, please contact your FGS Fitting 3" 4" 6" representative. 900 Elbow 1 1 1.5 Be sure all solvent has evaporated before applying 45°Elbow 1 1 1.5 adhesive. Tee 1 1.5 2 Coupling 1 1 1.5 Termination Fitting 1 1 1 1 1.5 'If 7014 or 8014 adhesive kits are used for secondary con- tainment, increase the number of kits in Table 14 by 50%. NOTE: Number of adhesive kits per containment fitting is based on applying a 1/16° (1.6 mm) minimum thickness of adhesive to both halves of the fitting and to the pipe ends. Complete information and safety precautions are packaged with each adhesive kit. Review all safety precautions thor- oughly before mixing the adhesive. Adhesive Disposal-See page 7 for instructions. 21