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Flexible Underground Piping Manual environ <br /> INDEX 1.0 INTRODUCTION <br /> Environ offers a full line of flexible <br /> piping and pipe connection products to <br /> 1.0 Introduction provide an environmentally safe means <br /> of conveying fuels from underground <br /> 2.0 Specifying Flexible Piping storage tanks to above ground fuel <br /> dispensers. The variety of piping and <br /> 3.0 GeoFlex® Piping Connections pipe connections available allows for a <br /> wide range of pipe routing options to <br /> meet any site design requirements. <br /> 4.0 GeoFlex Pipe Accessories Flexible piping has proven to be safer than conventional rigid <br /> piping which requires numerous connection joints and <br /> 5.0 Installer Tools directional fittings. In addition,flexible piping has proven to be <br /> considerably faster to install and more cost effective than rigid <br /> 6.0 Pre-Installation Planning piping. <br /> 7.0 Piping Design Criteria 1.1 General Information <br /> This product manual contains useful information about all types <br /> 8.0 Pipe Burial Requirements of flexible piping products and their associated connections, <br /> accessories and installer tools.It is recommended that this manual <br /> 9.0 GeoFlex Piping Options be read prior to specifying and installing flexible piping. The <br /> installation practices shall comply with these installation <br /> instructions contained within this product manual in order for the <br /> 10.0 Installing GeoDuct'" Conduit piping system warranty to be valid. <br /> 11.0 Tank Sump Plumbing Trees IMPORTANT: Environ flexible piping products may only <br /> be installed by a factory trained installer in order for the <br /> 12.0 Dispenser Sump Pipe Connections product warranty to be valid. <br /> 13.0 Flexible Pipe Fabrication <br /> 1.2 Independent Testing <br /> 14.0 Piping Connections Both single wall and double wall <br /> Geoflex and GeoVent piping are listed with <br /> Underwriter's Laboratories, Inc. (UL®) for <br /> 15.0 Test Boots petroleum products, alcohols, and alcohol <br /> gasoline mixtures. <br /> 16.0 Tubing Assemblies GeoFlex-S single wall flexible piping is <br /> listed under file #MH16678 and is labeled <br /> 17.0 Installing Crossover Supports as follows: UNDERGROUND CARRIER <br /> PIPING FOR PETROLEUM PRODUCTS, ALCOHOLS AND <br /> ALCOHOL-GASOLINE MIXTURES. <br /> 18.0 Testing & Filling Supply Pipe <br /> GeoFlex -D double wall piping has both the primary and <br /> secondary containment jacket listed under file #MH25100 <br /> 19.0 Periodic Line Leak Detection and labeled as follows: NONMETALLIC SECONDARY <br /> CONTAINMENT PIPING SYSTEM FOR UNDERGROUND PIPING <br /> 20.0 Interstitial Integrity Testing FOR PETROLEUM PRODUCTS, ALCOHOLS AND ALCOHOL- <br /> GASOLINE MIXTURES. <br /> 21.0 Routine Sump Inspections GeoVent single wall piping is listed under file #MH16678 and <br /> labeled as follows: UNDERGROUND VENTNAPOR RECOVERY <br /> PIPING FOR PETROLEUM PRODUCTS, ALCOHOLS AND <br /> 22.0 Periodic Interstitial Testing ALCOHOL-GASOLINE MIXTURES. <br /> 23.0 GeoVent"' Flexible Vent Piping <br /> 1.3 Piping Applications <br /> 24.0 Guide Specifications GeoFlex supply piping can be direct buried underground or <br /> indirect buried inside a flexible conduit. <br /> 25.0 Product Warranty Pressure System Supply Piping <br /> • Suction System Supply Piping <br /> • Vent Piping <br /> • Stage II Vapor Recovery Piping <br /> • Remote Fill Lines <br /> • *Marina Supply Piping <br /> 1 <br />