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Flexible Underground Piping Manual environ 13.7 Installing Pipe Sections - Direct Burial 13.8.3 Insert GeoDuct into Boot Once the pipe has been measured and the couplings have been Align the GeoDuct with entry boot and push into place until duct installed,the pipe may be installed. This section discusses the bottoms out.tighten band clamps to 30 in Lbs.. installation in a direct burial application.Refer to section 13.8 for installation of the piping using GeoDuct"conduit. 13.7.1 Insert Piping Through Sump Wall 14.0 PIPING CONNECTIONS Take the pipe section to the trench and After all containment sumps have been interconnected with all insert into the containment sump through of the flexible pipe sections, all riser pipe assemblies and test the flexible entry boot Make sure the boots (if required) have been installed, then all piping band clamp of the entry boot has been connections may proceed. There is a different installation removed or sufficiently loosened to procedure for each type of piping connection. Comply with the permit the pipe to pass through the following connection procedures for each type. rubber boot Tighten band clamps of the entry boots after the installation process , 14.1 Coaxial Coupling Connections has been completed. For junction sumps. , applications, repeat procedure for Coax couplings do not require the use of any hand tools for adjoining pipe sections. tightening. The following connection procedure needs to be followed for proper installation: IMPORTANT: For direct burial coax applications,be sure to insert coupled pipe through opening in the side side of the sump.Align studs of the flexible entry boot with stud holes 14.1.1 Coupling Inspection in sump and push into place.Fasten the entry boot according to the installation instructions included with the boot Prior to connection,inspect coupling to make sure all rubber O-rings are 13.7.2 Pipe Connection properly in place and seated inside the O-ring grooves. Look for any After the flexible pipe(s)have been inserted,attach pipe to fittings damage to the 0-rings which may using the methods described in section 14. Inspect the piping in have occurred during the coupling the trench to make sure it is positioned properly in the trench procedure. Swivel nut must be fully between the containment sumps and there is sufficient pipe seated for proper connection. weaving back and forth to allow for pipe expansion and contraction. 14.1.2 Fitting Inspection 13.8 Installing Pipe Sections-GeoDuct Remove the plastic protective cap from the fitting or adapter. Inspect Once the pipe has been properly measured,the couplings have the fitting or adapter to be sure that it been installed and dust covers placed back on the couplings,the is free of sand or debris in the core pipe is ready to be installed into the Geoduct.Refer to section 10 area and on the threads. for details involving the proper installation of the Geoduct conduit. 13.8.1 Fishing Pipe Through GeoDuct Remove GeoDuct conduit from GeoDuct entry boots.Attach the 14.1.3 Tightening Coax Swivel Nut appropriate Environ bullnose to Push the pipe coupling onto the core of one coupling.Fish rope through the fitting or adapter and hand tighten the the GeoDuct conduit and attach coax swivel nut onto the threads of the to bullnose. Pull GeoFlex® fitting. Be sure that the piping does not piping through GeoDuct twist while hand tightening, and verify conduit. that upon tightening, no threads are -- �' visible. 13.8.2 Insert Pipe into Sump 14.2 Swivel Couplings Connections Align the GeoDuct conduit/ Swivel couplings require the use of a ); GeoFlex piping with the small swivel wrench for tightening the GeoDuct entry boot. Push coupling swivel nut. The following piping through entry boot and connection procedures need to be 1 attach coupling to the fitting followed for proper installation. using the methods described in �J section 14. NOTE: If standard test boots are to be used, be sure to slide the e' boots onto the pipe prior to connecting to the fitting. 18