MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 2: TANK CALIBRATION - SECTION 7: CALIBRATION OF BARGE TANKS
American Petroleum Institute
2.7.1 Scope
2.7.2 Field of application
2.7.3 Safety
2.7.4 Referenced publications
2.7.5 Significance and use
2.7.6 Nomenclature
2.7.7 Tank measuring equipment
2.7.7.1 Tapes for height measurement
2.7.7.2 Tapes for length and width measurements
2.7.7.3 Master tapes
2.7.7.4 Reels and brackets
2.7.7.5 Tape clamps
2.7.7.6 Measuring devices (telescoping barge and
strapping pole)
2.7.7.7 Other required equipment
2.7.7.8 Accessory equipment
2.7.8 Measurement conditions and tolerances
2.7.8.1 Measurement conditions
2.7.8.2 Measurement tolerances
2.7.9 Measurement procedures
2.7.9.1 Liquid calibration by meter method
2.7.9.2 Calibration by linear measurement
2.7.9.2.1 Preliminary measurements
2.7.9.2.2 Internal tank measurements
2.7.9.2.3 Other measurements
2.7.10 Calculations
2.7.10.1 Calculations for liquid calibration
procedures
2.7.10.2 Calculations for calibration by linear
measurement and by barge drawings
2.7.10.3 Calculations for deadwood
2.7.10.4 Calculations for trim corrections
2.7.11 Calibration of tanks for wedge volumes
2.7.12 Presentation of capacity tables
2.7.13 Calibration information plates
Appendix A - Linear measurement calculations
Appendix B - Vocabulary
Appendix C - Physical characteristics and fire
considerations
Figures
1 Height-measuring tape and bob
2 Length- and width-measuring tape
3 Tape clamp
4 Measuring devices
5 Filling levels for liquid calibration
6 Reference gauge height and location of reference
gauge point
7 Length of tanks with one or two corrugated
bulkheads
8 Typical transverse section
8A Deduction of bilge radius
8B Addition for camber
8C Typical transverse section
9 Zones of transverse section
10 Trim corrections
11 Longitudinal section of tank
12 Calculation of wedge volume
13 Lines of hull
14 Area of liquid at Frame 9
15 Area of liquid at Frame 10
16 Area of liquid at Frame 11
17 Area of liquid at Frame 12
18 Area of liquid at Frame 13
A-1 Tank no. 2 port dimensions
A-2 Tank no. 2 port capacity table
Tables
1 Computed innages at frames
2 Calculation of wedge volume
A-1 Typical measurement record of a barge tank
A-2 Volume calculations
A-3 Deadwood calculations
A-4 Recapitulation of deadwood
A-5 Capacity table volume
A-6 Run sheet
Gives three methods for determining the total and incremental volumes of liquids in barge tanks for coastal and inland waterway service that have integral hull tanks.
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed 1991 |
