MANUAL OF PETROLEUM MEASUREMENT STANDARD - CHAPTER 2 - TANK CALIBRATION - SECTION 2A - MEASUREMENT AND CALIBRATION OF UPRIGHT CYLINDRICAL TANKS BY THE MANUAL TANK STRAPPING METHOD
American Petroleum Institute
2.2A.1. Scope
2.2A.2. Referenced Publications
2.2A.3. Safety
2.2A.4. Definitions
2.2A.5. Significance
2.2A.6. Equipment
2.2A.6.1 Tapes for Height Measurement
2.2A.6.2 Tapes for Circumference Measurement
2.2A.6.3 Accessory Equipment
2.2A.7. Calibration of Working Tape with the Master Tape
2.2A.8. General Practices
2.2A.9. Tank Status Before Calibration
2.2A.10. Descriptive Data
2.2A.11. Tolerances
2.2A.12. Shell Plate Thicknesses
2.2A.13. Vertical Tank Measurements
2.2A.14. Circumferential Measurements
2.2A.14.1 Preparation
2.2A.14.2 Physical Measurements
2.2A.15. Deadwood Measurement
2.2A.16. Tank Bottoms
2.2A.17. Floating Roofs
2.2A.17.1 General
2.2A.17.2 Floating Roof Weight
2.2A.17.3 Deadwood Determination
2.2A.17.4 Deducting Floating Roof Displacement
2.2A.18. Insulated Tanks
2.2A.19. Tank Capacity Table Development: Calculation
Procedures
2.2A.19.1 Capacity Table Requirements
2.2A.19.2 Calibration of the Master Tape to 60 deg F
2.2A.19.3 Conversion of Outside to Inside Circumferences
2.2A.19.4 Deductions for Circumference Tape Rises
2.2A.19.5 Expansion and Contraction of Steel Tank Shells
Due to Liquid Head
2.2A.19.6 Expansion and Contraction of Steel Tank Shells
Due to Temperature
2.2A.19.7 Effect of Tilt on Cylindrical Portion of Tank
2.2A.19.8 Floating Roofs
2.2A.19.8.1 Liquid Calibration for Floating Roof
Displacement
2.2A.19.8.2 Measurement Procedure for Floating
Roof Displacement
2.2A.19.8.3 Liquid Level Above Position B
2.2A.19.8.4 Capacity Table With Floating Roof
Treated as Deadwood
2.2A.19.8.5 Capacity Table of Gross or
Open-Tank Capacity
2.2A.19.9 Summary Data on the Capacity Table
2.2A.19.10 Recalibration Requirements
2.2A.19.11 Certification of Capacity Tables
APPENDIX A - GUIDELINES FOR RECALIBRATION OF STORAGE TANKS
APPENDIX B - EXAMPLE CALCULATIONS FOR UPRIGHT CYLINDRICAL
STEEL TANK - ABOVEGROUND
APPENDIX C - GUIDELINES FOR COMPUTER INPUT
APPENDIX D - SHELL TEMPERATURE CORRECTION FACTORS
APPENDIX E - UNDERGROUND TANKS
APPENDIX F - TANK CALIBRATION METHOD SELECTION
Defines the procedures for calibrating upright cylindrical tanks used primarily for the storage of petroleum liquids.
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed 1995 |
