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I.S. EN 12820:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

INSPECTION AND REQUALIFICATION OF LPG TANKS GREATER THAN 13 M[3] UNDERGROUND

Available format(s)

Hardcopy , PDF

Superseded date

29-12-2009

Superseded by

I.S. EN 12819:2009

Language(s)

English

Published date

01-01-2002

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€53.00
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Foreword
Introduction
1 Scope
2 Terms and definitions
3 Safety
  3.1 Safety precautions
  3.2 Unsafe conditions
  3.3 Leaks
4 Written scheme
5 Tank inspection and requalification
  5.1 Routine inspection
  5.2 Periodic inspection
  5.3 Requalification
6 Inspection of tank and tank fittings
  6.1 Tank
  6.2 Tank fittings and immediate pipework
  6.3 Valve cover
  6.4 Bonding
  6.5 Pressure relief valves
  6.6 Pressure gauge
  6.7 Contents gauges
  6.8 Shut-off valves
  6.9 Studs, bolts, nuts, and washers
  6.10 Emergency valves
  6.11 Gaskets
  6.12 Pressure switch
  6.13 Temperature gauge
  6.14 Remotely operated valves
  6.15 Corrosion protection system
7 Site inspection
  7.1 Storage site
  7.2 Warning notices
8 Competence
  8.1 Routine inspection
  8.2 Periodic inspection
  8.3 Requalification
9 Records
  9.1 Tank data
  9.2 Reports
Annex A (informative) Internal visual inspection
        A.1 General
        A.2 Inspection techniques
        A.3 Records
        A.4 Additional inspection
Annex B (informative) Hydraulic pressure test
Annex C (informative) Acoustic emission testing
        C.1 General
        C.2 Safety precautions
        C.3 Acceptance criteria
Annex D (informative) Ultrasonic thickness test
        D.1 General
        D.2 Apparatus setting
        D.3 Control measurement
        D.4 Shell thickness measurements
        D.5 End thickness
        D.6 Interpretation
        D.7 Rejection criteria
Annex E (informative) Monitoring cathodic protection with
        sacrificial anodes
        E.1 General
        E.2 Records
        E.3 Procedure
        E.4 Measurement of the galvanic current
        E.5 Measurement of the potential difference of the
            tank to earth
        E.6 Results
Annex F (informative) Monitoring cathodic protection by
        impressed current
        F.1 General
        F.2 Apparatus
        F.3 Conditions
        F.4 Isolation resistance of the coating
            F.4.1 Procedure
            F.4.2 Calculation
        F.5 Results
        F.6 Checking intervals
Annex G (informative) Example of a report
Annex ZA (informative) A-deviations

Provides requirements for: a) routine inspection, periodic inspection and requalification of underground and mounded LPG storage tanks of sizes greater than 13 m[3], and associated fittings; b) marking tanks and/or keeping records, as appropriate, as a result of routine inspection, periodic inspection and requalification.

DocumentType
Standard
Pages
26
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
NF EN 12820 : 2002 Identical
EN 12820 : 2002 Identical
NS EN 12820 : 2002 Identical
UNI EN 12820 : 2004 Identical
DIN EN 12820:2002-08 Identical
NBN EN 12820 : 2002 Identical
BS EN 12820:2002 Identical
UNE-EN 12820:2003 Identical
NEN EN 12820 : 2002 Identical
SN EN 12820 : 2002 Identical

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