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BS EN ISO 8311:2013

Current

Current

The latest, up-to-date edition.

Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels. Calibration of membrane tanks and independent prismatic tanks in ships. Manual and internal electro-optical distance-ranging methods

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-31-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Precautions
5 Equipment
6 Determination of measuring points
7 Calibration by manual method
8 Calibration by electro-optical
   distance-ranging (EODR) method
9 Additional measurements
10 Calculation
11 Report and tables
12 Recalibration
Annex A (informative) - Uncertainty associated with
        tank calibration
Annex B (informative) - Example of tank capacity
        table (Tank No.3)
Annex C (informative) - Example of trim correction
        table (Tank No. 1)
Annex D (informative) - Example of list correction
        table (Tank No. 1)
Bibliography

Provides a method for the internal measurement of membrane tanks used in ships for the transport of refrigerated light hydrocarbon fluids.

This International Standard specifies a method for the internal measurement of membrane tanks used in ships for the transport of refrigerated light hydrocarbon fluids. In addition to the actual process of measurement, it sets out the calculation procedures for compiling the tank capacity table and correction tables to be used for the computation of cargo quantities. This International Standard, with some modification, can also be applicable to the calibration of independent prismatic tanks.

For the manual measurement of membrane tanks, the procedures of this International Standard utilize the scaffolding used for the installation of the membranes to support the measuring equipment but, for the internal electro-optical distance-ranging (EODR) method, other safe means of access to the required measuring positions are intended to be used.

Committee
PTI/12
DevelopmentNote
Renumbers and supersedes BS 7627(1993). 1996 version incorporates amendment 8897 to BS 7627(1993). Supersedes 85/54831 DC. (06/2005) Supersedes 12/30259914 DC. (01/2014)
DocumentType
Standard
Pages
54
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN ISO 8311 : 2014 Identical
ISO 8311:2013 Identical
I.S. EN ISO 8311:2013 Identical
SN EN ISO 8311:2014 Identical
NEN EN ISO 8311 : 2013 Identical
NBN EN ISO 8311 : 2014 Identical
EN ISO 8311:2013 Identical
UNI EN ISO 8311 : 2014 Identical
NS EN ISO 8311 : 2013 Identical
DIN EN ISO 8311:2014-03 Identical

ISO 12917-2:2002 Petroleum and liquid petroleum products — Calibration of horizontal cylindrical tanks — Part 2: Internal electro-optical distance-ranging method
ISO 4512:2000 Petroleum and liquid petroleum products Equipment for measurement of liquid levels in storage tanks Manual methods
ISO 1998-6:2000 Petroleum industry — Terminology — Part 6: Measurement
ISO 18132-1:2011 Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — General requirements for automatic tank gauges — Part 1: Automatic tank gauges for liquefied natural gas on board marine carriers and floating storage
IEC 60825-1:2014 Safety of laser products - Part 1: Equipment classification and requirements
ISO 7507-4:2010 Petroleum and liquid petroleum products Calibration of vertical cylindrical tanks Part 4: Internal electro-optical distance-ranging method
IEC 60079-10-1:2015 Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
ISO 7507-1:2003 Petroleum and liquid petroleum products Calibration of vertical cylindrical tanks Part 1: Strapping method
ISO 18132-3:2011 Refrigerated hydrocarbon and non-petroleum based liquefied gaseous fuels — General requirements for automatic tank gauges — Part 3: Automatic tank gauges for liquefied petroleum and chemical gases on board marine carriers and floating storage
ISO 10976:2015 Refrigerated light hydrocarbon fluids — Measurement of cargoes on board LNG carriers
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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