Petroleum and liquid petroleum products. Calibration of vertical cylindrical tanks Strapping method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-10-2004

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Precautions
5 Equipment
6 General requirements
7 Circumference measurements
8 Other measurements on tank shell plates
9 Deadwood
10 Tank bottoms
11 Measurement of tilt
12 Floating-roof tanks
13 Recalibration
14 Computation of tank capacity tables - General rules
15 Form of tank capacity tables
16 Computation of open capacity
17 Construction of final tables
Annex A (normative) Specification for equipment used in strapping
Annex B (informative) Recommendations for monitoring,
checking and verification of tank calibration
and capacity table
Annex C (informative) Tank calibration data and calculation sheet
Annex D (informative) Tank calibration uncertainties
Annex E (informative) Tank shell temperature determination
Annex F (normative) Gauge tape temperature correction
Annex G (informative) Expansion due to liquid head
Annex H (normative) Expansion due to temperature
Annex I (normative) Certificate of calibration
Bibliography

Specifies method for the calibration of substantially vertical cylindrical tanks by measuring the tank using a strapping tape.

1.1 This part of ISO 7507 specifies a method for the calibration of substantially vertical cylindrical tanks by measuring the tank using a strapping tape.

1.2 This method is known as the “strapping method?? and is suitable for use as a working method, a reference method or a referee method.

NOTE For the reference method, the number of strappings required will be specified in the standard which refers to this part of ISO 7507.

1.3 The operation of strapping, the corrections to be made and the calculations leading to the compilation of the tank capacity table are described.

1.4 This method does not apply to abnormally deformed, e.g. dented or non-circular, tanks.

1.5 This method is suitable for tilted tanks with a deviation of up to 3 % from the vertical, provided that a correction for the measured tilt is applied in the calculations.

Committee	PTI/12
DevelopmentNote	Supersedes 02/121954 DC, BS 7723-1(1994) & BS 7723-6(1998) (02/2004)
DocumentType	Standard
Pages	72
PublisherName	British Standards Institution
Status	Current
Supersedes	02/121954 DC : DRAFT APR 2002 BS 7723-1:1994 BS 7723-6:1998

Standards	Relationship
ISO 7507-1:2003	Identical

ISO 4269:2001	Petroleum and liquid petroleum products Tank calibration by liquid measurement Incremental method using volumetric meters
ISO 4512:2000	Petroleum and liquid petroleum products Equipment for measurement of liquid levels in storage tanks Manual methods
ISO 3675:1998	Crude petroleum and liquid petroleum products Laboratory determination of density Hydrometer method
ISO 91-1:1992	Petroleum measurement tables Part 1: Tables based on reference temperatures of 15 degrees C and 60 degrees F

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BS ISO 7507-1:2003

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

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