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XERXES INSTALLATION MANUAL AND OPERATING GUIDELINES <br /> TABLE OF CONTENTS <br /> SECTIONS <br /> 1. Introduction 9. Geotextile Fabric <br /> 1.1. Safety........................................................................1 9.1. General......................................................................18 <br /> 1.2. General......................................................................1 10. Bottom Sumps and Fittings '- <br /> 1.3. Equipment.................................................................2 10.1. General......................................................................18 <br /> 2. Handling and Storing Tanks 11. Taking Diameter Measurements <br /> 2.1. General..........................................................................2 11.1. General......................................................................18 <br /> 2.2. Unloading and Hoisting Tanks.....................................2 11.2. Diameter Measurement without a Standpipe........19 <br /> 2.3. Storing Tanks................................................................3 11.3. Diameter Measurement with a Standpipe..............19 -` <br /> 3. Preinstallation Inspection and Testing 11.4. Calculation and Comparison...................................19 <br /> 3.1. General......................................................................._.3 12. Ballasting Tanks(Adding Liquid) <br /> 3.2. Inspecting the Tank......................................................4 12.1. General......................................................................19 ','i <br /> 3.3. Pretesting Procedures..................................................4 13. Postinstallation Testing 'e <br /> 3.4. Preparing the Tank for Air Testing...............................4 13.1. General......................................................................20 <br /> 3.5. Pressurizing the Primary Tank.....................................5 13.2. Air Testing Tanks.......................................................20 ` <br /> 3.6. Pressurizing the Interstitial Space 13.3. Optional Hydrostatic Testing...................................20 <br /> in a Dry Tank.................................................................5 14. Piping and Venting <br /> 3.7. Soaping the Tank..........................................................5 14.1. Internal Piping...........................................................20 <br /> 3.8. Performing Visual Checks on a Tank 14.2. External Piping..........................................................21 <br /> with Wet Interstitial Space........................................6 14.3. Venting Tanks............................................................21 <br /> 3.9. Releasing Pressure from the Tank...............................6 14.4. Venting Interstitial Spaces.......................................22 <br /> 4. Preinstallation Testing For Specific Types of 15. Monitoring Tanks <br /> Air-Testable Tanks 15.1. General......................................................................22 <br /> 4.1. Air Testing a Single-Wall Tank...................................6 15.2. Single-Wall Tank.......................................................22 <br /> 4.2. Testing a Wet Double-Wall Tank................................6 15.3. Double-Wall Tank.....................................................22 <br /> 4.3. Testing a Dry-Monitor, Double-Wall Tank with the 16. Installing Containment Sumps <br /> Interstitial Space Under Vacuum...................................6 16.1. General...................................................................... <br /> 23 ` <br /> 4.4. Air Testing a Dry-Monitor, Double-Wall Tank.............7 16.2. Final Containment Sump Installation......................24 h <br /> 4.5. Air Testing a Dry-Monitor, Double-Wall 17. Adding Tanks at Existing Locations <br /> Multicompartment Tank Not Under Vacuum.............7 17.1. General......................................................................24 <br /> 5. Installing Tanks 17.2. Preferred Method.....................................................24 <br /> 5.1. General..........................................................................8 17.3. Alternate Method......................................................24 <br /> 5.2. Dry-Hole Installation.....................................................8 18. Operating Guidelines <br /> 5.3. Wet-Hole Installation..................................................10 18.1. General......................................................................25 <br /> 6. Backfill Material 18.2. Temperature Limits for Stored Products <br /> 6.1. General........................................................................10 and Materials.........................................................25 <br /> 6.2. Primary Backfill...........................................................10 18.3. Entering Tanks..........................................................25 <br /> 6.3. Secondary Backfill......................................................11 18.4. Filling Tanks(in General)..........................................25 <br /> 7. Excavation Requirements 18.5. Filling UL-Labeled Tanks.........................................25 <br /> 7.1. General....................................................................11 19. Limited Warranties <br /> 7.2. Excavation and Tank Location................................11 19.1. General......................................................................26 <br /> 7.3. Depth of Excavation................................................12 20. Supplemental Materials 4 <br /> 7.4. Depth of Cover........................................................12 20.1. General......................................................................26 <br /> 7.5. Tank Spacing...........................................................13 21. Retention of Installation Manual <br /> 8. Anchoring Systems 21.1. -General......................................................................26 <br /> 8.1. General........................................................................14 <br /> 8.2. Anchor Straps.............................................................14 APPENDICES - <br /> 8.3. Hardware and Anchor Points....................................15 A. Xerxes Tank Data Chart.....................................................27 <br /> 8.4. Deadmen.................................................................16 B. Xerxes Primary Backfill Requirements............................28 <br /> 8.5. Xerxes Prefabricated Deadmen...............................16 C. Xerxes Split Backfill Instructions.....................................29 <br /> 8.6. Anchor Slabs...........................................................17 <br /> 8.7. Man-Out-of-Hole(MOH)Straps..............................17 XERXES TANK INSTALLATION CHECKLIST.........3o <br /> 8.8. Alternate Wet-Hole Anchoring Method...................17 <br /> i <br />