_API_MPMS_2.2F-2004.pdf

Petroleum and Liquid PetroleumProducts-Calibration of HorizontalCylindrical TanksPart 2:Internal Electro-optical Distance-rangingMethodANSI/API MPMS Chapter 2.2FFirst Edition,April 2004ISO 12917-2,Petroleum and liquid petroleumProducts-Calibration of horizontal cylindrical tanks,Part 2:Internal Electro-optical Distance-rangingMethodANSI/API 2.2F-2004AmericanPetroleumANSIInstituteHelping YouGet The JobDone Right.MNo roproduction or natworking permitled without liconso from IHSNot for RosaleSpecial NotesAPI publications necessarily address problems of a general nature.With respect to particularcircumstances,local,state,and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers,manufacturers,or suppliers to warn andproperly train and equip their employees,and others exposed,concerning health and safetyrisks and precautions,nor undertaking their obligations under local,state,or federal laws.Information concerning safety and health risks and 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publications,programs and services is published annually and updatedbiannually by APl,and available through Global Engineering Documents,15 Inverness WayEast,M/S C303B,Englewood,CO 80112-5776.This document was produced under API standardization procedures that ensure appropriatenotification and participation in the developmental process and is designated as an APlstandard.Questions concerning the interpretation of the content of this standard or commentsand questions concerning the procedures under which this standard was developed should bedirected in writing to the Director of the Standards department,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.Requests for permission to reproduce ortranslate all or any part of the material published herein should be addressed to the Director,Business Services.API standards are published to facilitate the broad availability of proven,sound engineering andoperating practices.These standards are not intended to obviate the need for applying soundengineering judgment regarding when and where these standards should be utilized.Theformulation and publication of API standards is not intended in any way to inhibit anyone fromusing any other practices.Any manufacturer marking equipment or materials in conformance with the markingrequirements of an API standard is solely responsible for complying with all the applicablerequirements of that standard.API does not represent,warrant,or guarantee that such productsdo in fact conform to the applicable API standard.All rights reserved.No part of this work may be reproduced,stored in a retrieval system,or transmitted by any means,electronic,mechanical,photocopying,recording,orotherwise,without prior written permission from the publisher.Contact the Publisher,APIPublishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 2004 American Petroleum InstituteNo roproduction or notworking permitled without liconso from IHSNot for RosaleAPI MPMS 2.2F/ISO 12917-2API ForewordAPI publications may be used by anyone desiring to do so.Every effort has been made by theInstitute to assure the accuracy and reliability of the data contained in them;however,theInstitute makes no representation,warranty,or guarantee in connection with this publication andhereby expressly disclaims any liability or responsibility for loss or damage resulting from its useor for the violation of any federal,state,or municipal regulation with which this publication mayconflict.Suggested revisions are invited and should be submitted to APl,Standards department,1220 LStreet,NW,Washington,DC 20005,standardsapi.org.assaantnNo roproduction or notworking permitled without liconso from IHSNotor oaeAPI MPMS 2.2F/ISO 12917-2ContentsPageAPlF0 rewordForeword.iV1SCope12Normative references19Terms and definitions,24Precautions25Equipment4444444444444444*5.1Electro-optical distance-ranging instrument25.2Instrument mounting.5.3Laser-beam emitter25.4Stadia.5.5Auxiliary equipment36General considerations.37EODR instrument set up within the tank.,38Selection of target points.8.1Introduction.8.2Location of target points-General principle.8.3Cylindrical courses.58.4Heads9Procedure for calibration.510Tolerances of reference target points.10.1Distance verification.510.2Verification of horizontal and vertical angles.611Additional measurements.11.1Reference-height determination and reference-point position611.2Dta711.3Drawings.12Calculation and development of capacity tables.7Annex A(normative)Determination of the limiting angle of incidence.8Annex B(informative)Numerical example.9No roproduction or notworking permitled without liconso from IHSoro