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Step#2—Sand and Clean Mating Surt Use the supplied sandpaper(60grit)tos area around the drilled Fieldinstalle Coupling Used With Fiberglass hole on both the inside and outside of the tu a enclosure.The turbine P 9 g ass enclosure surface must be sanded"white"toensure proper bond;the Double Wall Pipe sanded area should radiate at least 3"out from the hole edges.Also, sand the FRP fitting flanged surfaces.Use a clean,drycloth to remove Turbine Enclosure Interior sanding dust;if the surfaces are contaminated with grease or piping Female Section /Male Section dope,use clean solvent to thoroughly clean the bonding surfaces and Fiberglass t \ then resand the surfaces. g Secondary Pipe �Sand inner surface of Fiberglass coupling oand outer Field Installed FRP Coupling Primary Pipe glass pipe. Apply adhesive to Turbine Enclosure Interior inside surface of FRP t Adhesive Fill_ coupling and outside surface of FRP pipe t just before final Female Section Male Section' assembly. D Sand these surfaces first, Field Installed FRP Coupling Used With HDPE then apply adhesive to P 9 thesesudacesjust before Secondary Containment System final assembly. Turbine Enclosure Interior 'Male section to be inserted Female Section t from the inside of the Fiberglass Pipe Stub Male Section turbine enclosure. D Send inner sur. face of 3"FRP Step#3—Mix and Apply Adhesive Fiberglass coupling and Before mixing or applying the adhesive,confirm that the bonding sur- Primary Pipe outer surface of FRP pipe. faces of the turbine enclosure and the FRP coupling are dry and clean. HDPE Secondary Apply adhesive to Then,thoroughly mix the two.part adhesive in accordance with the detail- Containment System inside surface of ed mixing instructions contained in the adhesive kit. Stainless steel Adhesive Fill, FRP coupling and Apply the adhesive with the supplied putty knife to the prepared surfaces Hose Clamp outside surface of on both the Fiberglas turbine enclosureajust before final the FRP fitting flanges.All FRP pipe stub surfaces must be dry before applying the adhesive.Since the adhesive is assembly. temperature sensitive,follow the Adhesive Application Guidelines in section G5. Step#a—Attach FRP Coupling Field Installed Rubber Grommet Used With Fiberglass Insert the male threaded coupling section from theinside of the turbine Double Wall Pipe enclosure.And screw the female threaded section from the outside of the turbine enclosure.Then tighten down both sections by hand tightening TurbineEnclosure Interior until the adhesive is squeezed out from the flange faces.Use the flat Stick Rubber Grommet '. or puny knife to fill in all gaps around the coupling flange and turbine enclosure wall. Fiberglass ` Step#5—Curing Secondary Pipe Allow a minimum of four hours for the adhesive to harden completely.The mating parts must not be moved before the adhesive is fully cured. Fiberglass For outside ambient temperatures below 60 OF,supplemental heat is Primary Pipe required to initiate the adhesive curing process(See Adhesive Applica- tion Guidelines in section G6). j After a successful test(see section G7)of the coupling is completed,the secondary piping can be installed onto the FRP coupling. H5. Secondary Piping Connection Field Installed Rubber Grommet Used With HOPE The two most commonly used methods to secondarily contain piping are Secondary Containment System double-wall fiberglass pipe and HDPE secondary containment system. e Enclosure in Fiberglass pipe manufactured by Smith Fiberglass and Ameron are Turbine dimensionally compatible with the FRP coupling. Rubber Grommet or Follow the secondary piping manufacturer's installation instructions for Fiberglass Pipe Stub proper installation methods.Typical methods to attach the secondary \_c I piping are shown in the following drawings: Fiberglass Primary Pipe HDPE Second Containment System Stainless Steel Hose Clamp 17