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Flexible Underground • <br /> 14.2.1 Coupling Inspection 14.3.2 Connecting Pipe End <br /> Remove the protective cap from the Insert the fitting into the pipe until the <br /> swivel pipe coupling and verify that pipe bottoms squarely against the <br /> the flat ring gasket is seated in theIQ <br /> fitting shoulder.back of the swivel nut. If test boots IMPORTANT: If GeoFlex®-D <br /> are to be installed, make sure that <br /> they have been properly installed,as piping is used, make sure that <br /> described in section 15.2 Installing the secondary jacket has been <br /> stripped back. <br /> test boots. <br /> 14.2.2 Fitting Inspection <br /> Remove the plastic protective cap 14.3.3 Installing Clamshell Clamps <br /> from the metallic fitting or adapter. When installing the two piece <br /> Inspect the metallic fitting or adapter clamshell clamp onto the barbed <br /> to be sure that it is free of sand or fitting,be sure that the interlock lip on <br /> debris and there is no damage to the the clamp segments captures the <br /> sealing face. shoulder of the fitting.This will ensure <br /> that the pipe and clamp assembly will <br /> 0 not pull off. <br /> 14.2.3 (Hand Tightening Of <br /> Swivel Nut <br /> Push the metallic pipe coupling onto 14.3.4 Tightening Clamshell Clamps <br /> the male threaded metallic fitting or <br /> Tighten clam bolts alternate) <br /> adapter and hand tighten. Be sure that g p y <br /> taking care to maintain an even <br /> the piping does not twist while hand spacing between segments. Be sure <br /> tightening. that the bolt head is seated in the <br /> clamps hex socket while tightening. <br /> The clamp is properly tightened <br /> when both clamp segments meet. <br /> 14.2.4 Final Tightening Of Swivel Nut Bolts should be retorqued after 24 <br /> hours to insure a tight connection. <br /> Using the swivel wrench, tighten the <br /> coupling swivel nut an additional . <br /> quarter turn beyond hand tight, using <br /> only Environ tools. Secure the ferrule of fq' <br /> the swivel pipe coupling with the strap <br /> 15.0 TEST BOOTS <br /> wrench to prevent the pipe from turning Test boots are installed only onto <br /> while tightening. It is not necessary to GeoFlex-D piping which are coupled and <br /> use a wrench extension to achieve rated fitted with either swivel couplings & <br /> torque. When completed, tighten the fittings or barbed fittings. These rubber <br /> band clamps on the flexible entry boots. boots must be installed onto the end of <br /> NOTE: Failure to follow this procedure may result in GeoFlex-D pipe section prior to <br /> damage to the coupling seal. connecting the piping section to the <br /> fitting.Standard test boots are used with <br /> swivel couplings, while reducer test <br /> 14.3 Barred Fitting Connections boots are used with barbed fittings. <br /> Barbed fittings do not require the use <br /> of a pipe coupling but rather the pipe <br /> end is connected directly to the 15.1 Test Boot Applications <br /> fitting itself. For GeoFlex-D piping applications, having either swivel <br /> couplings & fittings or barbed fittings installed and requires a <br /> means for air pressure testing or continuous monitoring of the <br /> pipe's interstitial space,Test Boots must be installed. <br /> 14.3.1 Fitting Inspection 15.1.1 Tank Sumps <br /> Inspect the barbed insert portion of the fitting and the clamp Test boots installed in these sumps should be connected to the <br /> assembly to make sure that it is not damaged. 36" (900mm) long test tubes. The fitting on the end will accept <br /> the test gauge used for air pressure testing. <br /> NOTE: If reducer test boots are used,be sure to slide the <br /> boots on the pipe prior to connection. <br /> 19 <br />