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Flexible Underground Piping Manual environ • Option 1: Using Deep Dispenser Sumps Option 4: Using Shallow Dispenser Sumps This application includes the use of a tank sump interconnected This application includes the use of a tank sump interconnected with one or more deep dispenser sumps using GeoFlex®-D with a shallow dispenser sump using GeoFlex-D piping which piping which may be directly buried or contained inside the may be directly buried or contained inside the GeoDuct. All GeoDuct'". Because all fittings are contained, either coax or fittings are contained, therefore, and either coax or metallic metallic couplings and fittings may be used. couplings and fittings may be used. 4 • Option 2: Using Shallow Dispenser Sumps Option 5: Using Deep Dispenser Pans This application includes the use of a tank sump interconnected This application includes the use of a tank sump interconnected with one or more shallow dispenser sumps using GeoFlex-D with a deep dispenser pan using GeoFlex-D piping which is piping which may be directly buried or contained inside the directly buried. Because some of the couplings and fittings are GeoDuct. Because all fittings are contained, either coax or not contained, coax couplings and fittings are required to be metallic couplings and fittings may be used. used for this application. • Option 3: Using Deep Dispenser Pans 10.0 INSTALLING GEODUCT CONDUIT This application includes the use of a tank sump interconnected If the feature of future removal and replacement of the GeoFlex® with one or more deep dispenser pans using GeoFlex-D piping piping is required,then the GeoDuct conduit can be installed prior which is directly buried. Because some of the couplings and to the measuring and cutting of the GeoFlex pipe sections. Follow fittings are not contained, coax couplings and fittings are these installation procedures for the GeoDuct conduit piping: required to be used for this application. 10.1 GeoDuct Measuring Prior to measuring for the GeoDuct conduit,install the GeoDuct _- entry boots into the sidewall of the dispenser sump. Refer to the flexible entry boots installation manual for the proper - -- - - - -- installation procedures for these entry boots. Measure the distance from the sump wall of the first sump to the sump wall ¢� of the second sump. Make sure to follow the contour of the trench. 9.2.2 Suction Piping Systems For this type of piping system, there are a variety of piping applications available. They are described as follows: 11