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XERXES INSTALLATION MANUAL AND OPERATING GUIDELINES TABLE OF CONTENTS SECTIONS 1. Introduction 9. Geotextile Fabric 1.1. Safety........................................................................1 9.1. General......................................................................18 1.2. General......................................................................1 10. Bottom Sumps and Fittings 1.3. Equipment.................................................................2 10.1. General......................................................................18 2. Handling and Storing Tanks 11. Taking Diameter Measurements 2.1. General..........................................................................2 11.1. General......................................................................18 2.2. Unloading and Hoisting Tanks....................................2 11.2. Diameter Measurement without a Standpipe........19 2.3. Storing Tanks................................................................3 11.3. Diameter Measurement with a Standpipe..............19 3. Preinstallation Inspection and Testing 11.4. Calculation and Comparison...................................19 3.1. General..........................................................................3 12. Ballasting Tanks(Adding Liquid) 3.2. Inspecting the Tank......................................................4 12.1. General......................................................................19 3.3. Pretesting Procedures..................................................4 13. Postinstallation Testing 3.4. Preparing the Tank for Air Testing...............................4 13.1. General......................................................................20 3.5. Pressurizing the Primary Tank.....................................5 13.2. Air Testing Tanks.......................................................20 3.6. Pressurizing the Interstitial Space 13.3. Optional Hydrostatic Testing...................................20 Ina Dry Tank.................................................................5 14. Piping and Venting 3.7. Soaping the Tank..........................................................5 14.1. Internal Piping...........................................................20 3.8. Performing Visual Checks on a Tank 14.2. External Piping..........................................................21 with a Wet Interstitial Space........................................6 14.3. Venting Tanks............................................................21 3.9. Releasing Pressure from the Tank...............................6 14.4. Venting Interstitial Spaces.......................................22 4. Preinstallation Testing For Specific Types of 15. Monitoring Tanks Air-Testable Tanks 15.1. General......................................................................22 4.1. Air Testing a Single-Wall Tank...................................6 15.2. Single-Wall Tank.......................................................22 4.2. Testing a Wet Double-Wall Tank................................6 15.3. Double-Wall Tank.....................................................22 4.3. Testing a Dry-Monitor, Double-Wall Tank with the 16. Installing Containment Sumps Interstitial Space Under Vacuum...................................7 16.1. General......................................................................23 4.4. Air Testing a Dry-Monitor,Double-Wall Tank.............7 16.2. Final Containment Sump Installation......................24 4.5. Air Testing a Dry-Monitor,Double-Wall 17. Adding Tanks at Existing Locations Muhicompartment Tank Not Under Vacuum.............7 17.1. General......................................................................24 5. Installing Tanks 17.2. Preferred Method.....................................................24 5.1. General..........................................................................8 17.3. Alternate Method......................................................25 5.2. Dry-Hole Installation.....................................................8 18. Operating Guidelines 5.3. Wet-Hole Installation..................................................10 18.1. General......................................................................25 6. Backfill Material 18.2. Temperature Limits for Stored Products 6.1. General........................................................................10 and Materials.........................................................25 6.2. Primary Backfill...........................................................10 18.3. Entering Tanks..........................................................25 6.3. Secondary Backfill......................................................11 18.4. Filling Tanks(in General)..........................................25 7. Excavation Requirements 18.5. Filling UL-Labeled Tanks.........................................26 7.1. General....................................................................11 19. Limited Warranties 7.2. Excavation and Tank Location................................11 19.1. General......................................................................26 7.3. Depth of Excavation................................................12 20. Supplemental Materials 7.4. Depth of Cover........................................................12 20.1. General......................................................................26 7.5. Tank Spacing...........................................................13 21. Retention of Installation Manual 8. Anchoring Systems 21.1. General......................................................................26 8.1. General........................................................................14 8.2. Anchor Straps.............................................................14 APPENDICES 8.3. Hardware and Anchor Points....................................15 A. Xerxes Tank Data Chart.....................................................27 8.4. Deadmen.................................................................16 B. Xeres Primary Backfill Requirements............................28 8.5. Xeres Prefabricated Deadmen...............................16 C. Xerxes Split Backfill Instructions.....................................29 8.6. Anchor Slabs...........................................................17 8.7. Man-Out-of-Hole(MOH)Straps..............................17 XERXES TANK INSTALLATION CHECKLJS E........30 8.8. Aftemate Wet-Hole Anchoring Method...................17