BS 4208:1967

Cooperating organizations
Foreword
Specification
Section 1. General
1.1 Scope
1.2 Definitions
1.3 Information to be supplied by the purchaser and
      manufacturer
1.4 Agreed specification
1.5 Interpretation
Section 2. Materials and nominal design stresses
2.1 General
2.2 Selection of materials
2.3 Nominal design stresses
Section 3. Design
3.1 General
3.2 Basic design
3.2.1 Shells subject to internal pressure
3.2.2 Shells subject to external pressure
3.2.3 Flat ends and covers
3.2.4 Conical ends
3.2.5 Domed ends
3.2.6 Spherically domed and bolted ends
3.2.7 Openings and branch connections
3.2.8 Bolted flanged connections
3.2.9 Flat tube plates
3.2.10 Design of welded joints
3.2.11 Foundation and support requirements
3.2.12 Thermal insulation
3.2.13 Lightning protection
3.2.14 Missile protection
3.2.15 Air locks
3.2.16 Vacuum breakers
3.2.17 Facilities for periodic inspection and testing
3.3 Final design appraisal
Section 4. Manufacture
4.1 Plate identification, forming, etc.
4.2 Welding
4.3 Tolerances
4.4. Stress relieving by heat treatment
Section 5. Inspection and tests
5.1 General
5.2 Testing facilities
5.3 Stages of inspection and tests
5.4 Test certificates for materials
5.5 Examination of components prior to welding
5.6 Examination of production welds
5.7 Radiographic examination
5.8 Pipe components not exceeding 24 in (610 mm)
      nominal bore
5.9 Weld leak testing
5.10 Pressure tests
5.11 Measurement of leak rates
Appendices
A. Roof loading and wind loads
B. Welding procedure qualification, welder and
    operator performance qualification and production
    weld tests
C. The design of openings and penetrations
D. Plate pressing procedure tests
E. Ultrasonic inspection of plates
F. Selection of economic flange proportions
G. Approximate equivalents of inch, lbf and metric
    values

Covers steel containment structures and defines materials and nominal design stress; basic design of shells, flat ends, conical ends, domed ends, spherically domed and bolted ends, openings and branch connections, bolted flanged connections, flat tube plates, welded joints, foundation and support requirements, thermal insulation, lightning and missile protection, air locks, vacuum breakers, inspection facilities; final design appraisal; manufacture; inspection and tests of components and structures in cluding non-destructive examination and pressure testing. Appendices cover roof loading and wind loads; welding procedure qualification, welder and operator performance qualifications and procedure weld tests; plate pressing procedure tests; ultrasonic inspection of plates; selection of economic flanges.