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BS 4508-4:1977

Current

Current

The latest, up-to-date edition.

Thermally insulated underground pipelines Specific testing and inspection requirements for cased systems without air gap

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-06-1977

€156.59
Excluding VAT

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 General
5 Type tests and inspections
6 Production inspections and tests
7 Test failure interpretation
8 System approvals
Appendix
A Soil conductivity data
Figures
1 Joint testing apparatus to simulate actual operating
   conditions
2 Physical variations during a four-hour test cycle
3 Test rig for the determination of system pressure-
   tightness

Testing, inspection and certification of pipe-in-pipe distribution systems with an insulated service or product pipe enclosed in a pressure-tight casing.

Committee
B/540
DevelopmentNote
Supersedes 75/70904 DC (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current

This Part of BS 4508 specifies specific requirements for the testing, inspection and certification of pipe-in-pipe systems with an insulated service or product pipe enclosed in a pressure-tight casing; general requirements are specified in Part 3.

Data on soil conductivity are given in Appendix A.

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