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Section 1. Introduction . . . . . . . . . . . . p.1 Section 11. Piping and Venting . . . . . . . . p.17 <br /> 1.1.Safety Notes 11.1.Internal Piping <br /> 1.2.General 11.2.External Piping <br /> 1.3.Definitions 11.3.Venting Tank <br /> Section 2. Preparation for Installation . . . . . p.2 11.4.Venting Interstitial Space <br /> 2.1.General Section 12. Filling Tank . . . . . . . . . . . . p.18 <br /> Section 3. Preinstallation Testing . . . . . . . p.3 12.1.General <br /> 3.1.General Section 13. Backfilling to Grade . . . . . . . . p.18 <br /> 3.2.Single-Wall Tank 13.1.General <br /> 3.3.Double-Wall Tank with Dry <br /> Interstitial Space Section 14. Deflection Measurements . . . . . p.18 <br /> 3.4.Double-Wall Tank with Liquid-Filled 14.1.General <br /> Interstitial Space 14.2.Dipstick Preparation <br /> 3.5.Single-Wall Multicompartment Tank 14.3.First Diameter Reading <br /> with Single Bulkhead 14.4.Second Diameter Reading <br /> 3.6.Single-Wall Multicompartment Tank 14.5.Calculation and Comparison <br /> with Double Bulkheads <br /> 3.7.Double-Wall Multicompartment Tank Section 15. Monitoring. . . . . . . . . . . . p.19 <br /> with Dry Interstitial Space 15.1.Single-Wall Tank <br /> 3.8.Double-Wall Multicompartment Tank 15.2.Double-Wall Tank <br /> with Liquid-Filled Interstitial Space 15.3.Tank with Dry Interstitial Space <br /> Section 4. Backfill Material . . . . . . . . p.9 15.4.Tank with Liquid-Filled Interstitial <br /> Space <br /> 4.1.General <br /> Section 16. Installing Attached Collar Risers(ACR).p.20 <br /> Section 5. Excavation Parameters . . . . . . p.9 16.1.General <br /> 5.1.General 16.2.Preinstallation <br /> 5.2.Tank Spacing 16.3.Preparing the Collarand Riser Body <br /> 5.3.Geotextile 16.4.Sealing and Assembly <br /> Section 6. Anchoring Tanks . . . . . . . . . p.12 16.5.Hydrostatic Water Test <br /> 16.6.Watertight Cover Installation(WT) <br /> 6.1.Deadman Anchors 16.7.Final ACR Installation <br /> 6.2.Xerxes Deadman Anchors <br /> 6.3.Anchor Slabs Section 17. Adding Tanks at Existing Locations. ..p.24 <br /> 6.4.Hold-down Straps 17.1.General <br /> 6.5.Hardware and Anchoring Points 17.2.Preferred Method <br /> 6.6.Man-Out-of-Hole Anchoring 17.3.Alternate Method <br /> 6.7.Alternate Anchoring Methods in <br /> Wet-Hole Installations Section 18. Operating Guidelines. . . . . . . p.24 <br /> Section 7. Bottom Sumps and Fittings . . . . p.15 18.1.General18.2.Filling Tank <br /> 7.1.General 18.3.Entering Tank <br /> Section 8. Installation . . . . . . . . . . . . p.15 Section 19. Limited Warranties. . . . . . . . p.25 <br /> 8.1.General 19.1.General <br /> 8.2.Dry-Hole Installation <br /> 8.3.Wet-Hole Installation Section 20. Selected List of Supplemental <br /> Section 9. Postinstallation Testing . . . . . . p.17 Materials . . . . . . . . . . . . . p.25 <br /> 9.1.General 20.1.General <br /> Section 10. Ballasting . . . . . . . . . . . . . p.17 Section 21. Retaining Installation Manual p.25 <br /> 21.1.General <br /> 10.1.General <br /> Addenda. Tank Installation Checklist. . . . . p.26 <br /> Tank Handling Data . . . . . . . p.27 <br />