Thermally insulated underground pipelines Specification for steel cased systems with air gap

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-05-1986

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Information to be supplied by the purchaser
4. Information to be supplied by the manufacturer
5. Insulated pipe assembly
6. Access chambers
7. Design and installation of the pipe system
8. Field tests
9. Fault monitoring
Appendices
A. Thickness of insulation and temperature limitations
B. Continuous monitoring for fault conditions
C. Location of the leakage source
D. Guarantee and insurance arrangements
E. Method of test for the bond strength of the coating
Tables
1. Specified minimum pipe wall thickness
2. Soil thermal conductivity and moisture values

Requirements of design, materials, construction, installation, testing and fault monitoring for steel cased systems, for temperatures exceeding 50°C.

This Part of BS 4508 specifies requirements for the design, materials, construction, installation, testing and fault monitoring of thermally insulated underground piping systems using a steel casing enclosing an insulated service pipe and incorporating an air gap, suitable for conveying fluids at temperatures exceeding 5 °C.

In addition to the definitive requirements given, it also requires the items detailed in clause 3 to be documented.

NOTE The titles of the publications referred to in this Part of BS 4508 are listed on page 10.

Committee	B/540
DevelopmentNote	Supersedes 84/78101 DC, 91/76702 DC and BS 4508-1(1969) (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4508-1:1969

BS 5493:1977	Code of practice for protective coating of iron and steel structures against corrosion
BS 476-4:1970	Fire tests on building materials and structures Non-combustibility test for materials
BS CP413(1973) : AMD 3345	CODE OF PRACTICE FOR DUCTS FOR BUILDING SERVICES
BS 2640:1982	Specification for Class II oxy-acetylene welding of carbon steel pipework for carrying fluids
BS 4086:1966	Recommendations for maximum surface temperatures of heated domestic equipment
BS 3958-2:1982	Thermal insulating materials Calcium silicate preformed insulation
BS 1704:1985	Specification for solid-stem general purpose thermometers
BS 2871-1:1971	Specification for copper and copper alloys. Tubes Copper tubes for water, gas and sanitation
BS 1123(1976) : AMD 5510	SAFETY VALVES, GAUGES AND FUSIBLE PLUGS FOR COMPRESSED AIR OR INERT GAS INSTALLATIONS
BS 3602:1962	Specification for steel pipes and tubes for pressure purposes. Carbon steel high duties.
BS 497-1:1976	Specification for manhole covers, road gully gratings and frames for drainage purposes Cast iron and cast steel
BS 1387:1985	Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads
BS CP3009(1970) : AMD 3340	THERMALLY INSULATED UNDERGROUND PIPING SYSTEMS
BS CP1021(1973) : LATEST	CODE OF PRACTICE FOR CATHODIC PROTECTION
BS 1845:1984	Specification for filler metals for brazing
BS 4211:1967	Specification for steel ladders for permanent access
BS 5970:1981	Code of practice for thermal insulation of pipework and equipment (in the temperature range -100°C to +870°C)
BS DD24(1973) : 1973	RECOMMENDATIONS FOR METHODS OF PROTECTION AGAINST CORROSION ON LIGHT SECTION STEEL USED IN BUILDING
BS CP2005(1968) : LATEST	SEWERAGE
BS 3958-4:1982	Thermal insulating materials Bonded preformed man-made mineral fibre pipe sections
BS 2600:1962	Radiographic examination of fusion welded butt joints in steel
BS CP2010-2(1970) : 1970	PIPELINES - PART 2: DESIGN AND CONSTRUCTION OF STEEL PIPELINES IN LAND

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BS 4508-1:1986

Thermally insulated underground pipelines Specification for steel cased systems with air gap

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

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