MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 3 - TANK GAUGING - SECTION 5 - STANDARD PRACTICE FOR LEVEL MEASUREMENT OF LIGHT HYDROCARBON LIQUIDS ONBOARD MARINE VESSELS BY AUTOMATIC TANK GAUGING
American Petroleum Institute
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
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).
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed 2013 |
