Table of Contents

1 SCOPE
2 REFERENCES
3 GENERAL
    3.1 Safety Precautions
4 ACCURACY REQUIREMENT
    4.1 Inherent Error of ATGs
    4.2 Calibration Prior to Installation
    4.3 Shipyard Adjustment
    4.4 Error Caused by Installation and Change of
          Operating Conditions
    4.5 Use of ATGs in Custody Transfer Service
5 INSTALLATION REQUIREMENTS
    5.1 General
    5.2 Mounting Location
    5.3 Manufacturer's Requirements
    5.4 Installation of ATGs
6 SETTING OF ATG AT SHIPYARD
    6.1 Preparation
    6.2 Setting ATGs
7 ONBOARD VERIFICATION OF ATGs
    7.1 Introduction
    7.2 Verification Procedure
    7.3 Procedure for Applications Where Manual Gauging is
          Practical
    7.4 Procedure for Applications Where Manual Gauging is
          Not Practical
8 SUBSEQUENT ATG VERIFICATION
9 ATG VERIFICATION RECORDS
10 DATA COMMUNICATION AND RECEIVING

Abstract

Describes accuracy, installation, calibration and verification of automatic tank gauges (ATGs) in custody transfer application in which the ATG is used for measuring the level of light hydrocarbon liquids, such as liquefied petroleum gas (LPG) transported aboard marine vessels (i.e., tankers and barges).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
ProductNote	Reconfirmed 2013
Pages
ISBN