ISO INTERNATIONAL STANDARD 7507-1 Second edition 2003-12-15 Petroleum and liquid petroleum products Calibration of vertical cylindrical tanks - Part 1: Strapping method Pétrole et produits pétroliers liquides - Jaugeage des réservoirs cylindriques verticaux- Partie 1: Methode par ceinturage Reference number ISO 7507-1:2003(E) ISO @ ISO 2003 oyIHSunder Not for Resale ISO7507-1:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ?ISO2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's memberbody in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland Copyihtinteratinal organization for Standardization @ ISO 2003 - All rights reserved itted without license from IHS Not for Resale ISO 7507-1:2003(E) Contents Page 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. 10 9 Deadwood. 10 10 Tank bottoms 11 11 Measurement of tilt . 11 12 Floating-roof tanks. 11 13 Recalibration .. 12 14 Computation of tank capacity tables - General rules 15 Form of tank capacity tables . 16 Computation of open capacity ... 17 Construction of final tables.. 17 Annex A (normative) Specification for equipment used in strapping Annex B (informative) Recommendations for monitoring, checking and verification of tank calibration and capacity table.... .26 Annex C (informative) Tank calibration data and calculation shee.. .32 AnnexD(informative)Tankcalibrationuncertainties. ...36 Annex E (informative) Tank shell temperature determination . .47 Annex F (normative) Gauge tape temperature correction. ..48 AnnexG(informative)Expansionduetoliquidhead... ..50 Annex H (normative) Expansion due to temperature ...58 Annex I (normative) Certificate of calibratior Bibliography . .62 ii from IHS Not for Resale ISO 7507-1:2003(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeen non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 7507-1 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants, Subcommittee Sc 3, Static petroleum measurement. ISO 7507-6:1997, the subject of which is now included in this part of ISO 7507. ISsO 7507 consists of the f