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BS 7777-2:1993

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single, double and full containment metal tanks for the storage of liquefied gas at temperatures down to -165°C
Available format(s)

Hardcopy , PDF

Withdrawn date

12-29-2006

Language(s)

English

Published date

06-15-1993

Committees responsible
Foreword
Specification
1 Scope
2 References
2.1 Normative references
2.2 Informative references
3 Definitions
4 Design conditions
5 Information to be exchanged between the purchaser
       and the contractor
5.1 Information to be supplied by the purchaser
5.2 Optional and alternative information to be
       supplied by the purchaser
5.3 Information to be agreed between the purchaser
       and the contractor
6 Materials
6.1 Materials for inner or outer tank designed to
       contain refrigerated liquid
6.2 Steel for outer tanks and outer containers
7 Design of components for single containment tank
7.1 Steel outer container of double shell single
       containment tank
7.2 Inner tank of double shell single containment
       tank
7.3 Steel single shell single containment tank for
       temperatures down to - 50 deg C
8 Design of components for double containment tanks
8.1 Inner tank of double containment tank
8.2 Steel outer tank of double containment tank
9 Design of components for full containment tank
9.1 Inner tank of full containment tank
9.2 Steel outer tank of full containment tank
10 Shop fabrication of tank containment tank
10.1 Workmanship
10.2 Flattening
10.3 Hard stamping
10.4 Plate edge preparation
10.5 Rolling and pressing
10.6 Shell nozzles and manholes
10.7 Bolt holes
10.8 Shop painting
10.9 Erection marks
10.10 Packaging and identification
10.11 Handling and transport
11 Site erection of tank components
11.1 General
11.2 Workmanship
11.3 Foundations
11.4 Rectification of materials damaged prior to
       erection
11.5 Erection of plates
11.6 Inner tank and outer tank or container erection
       tolerances
11.7 Manual cutting of plates
11.8 Protection of shell during erection
11.9 Erection of tank roof
11.10 Erection holes
11.11 Welding
11.12 Welding procedure approval and welder approval
11.13 Non-destructive testing
12 Pressure testing of both inner and outer tank
12.1 Hydrostatic testing
12.2 Pneumatic testing
13 Insulation
14 Foundations
15 Internal positive and internal negative pressure
       relief
16 Commissioning and decommissioning
17 Name plate
Annexes
A (informative) Guidance for the determination of
       delta T-shift for the impact testing of steels
B (informative) Guidance for the tensile testing of
       9 % nickel steel weld metal using strain-gauged
       tensile specimens
C (informative) Guidance for the use of aluminium
       and aluminium alloys for liquid containing tanks
D (informative) Worked example of stiffener design
       for a fixed-roof container
Tables
1 References list of metal components for single,
       double and full containment tanks
2 Material types for tank shell and bottom
3 Longitudinal Charpy V-notch impact testing
4 Maximum shell plate thickness
5 Weld metal Charpy V-notch impact testing
6 Steels for outer tank compression area, roof and
       roof structure where the minimum design
       temperature is based on ambient temperature
7 Steel for outer containers for single containment
       tanks
8 Container nominal shell plate thickness
9 Manhole and nozzle body thickness
10 Minimum thickness of annular plate
11 Determination of the maximum allowable design
       stress
12 Minimum shell plate thickness
13 Manhole and nozzle body thickness
14 Tank radius erection tolerances
15 Tank shell profile tolerances
A.1 Test plate welding characteristics
C.1 Aluminium alloy bolting materials
C.2 Manhole and shell nozzle thickness
Figures
1 Typical bottom layout for tank or container
2 Typical cross joints in bottom plates where three
       thicknesses coincide
3 Typical sketch plate joint under shell plates for
       tank of container without annular plates
4 Typical annular plate joint under shell plates
       for tank or container with annular plates
5 Shell stiffeners
6 Shell-roof compression areas
7 Shell-insert-type reinforcement
8 Barrel-type nozzle reinforcement
9 Graph for the determination of the thickness of a
       barrel-type nozzle reinforcement
10 Flanged roof nozzles
11 Weld details for connection of mountings: set-
       through type when t = 20 mm maximum and tp = 12.5
       mm maximum (preferred details)
12 Weld details for connection of mountings: set-
       through type when t = 20 mm maximum and tp = 12.5
       mm maximum (preferred details)
13 Weld details for connection of mountings: set-
       through type when 20 mm < or = t < or = 40 mm
       (preferred details)
14 Weld details for connection of mountings: set-
       through type when ti > 40 mm (preferred details)
15 Weld details for connection of mountings: set-
       through type (alternative details)
16 Weld details for connection of mountings:
       compensated set-through type (preferred details)
17 Weld details for connection of mountings:
       compensated set-through type (alternative
       details)
18 Weld details for connection of mountings: set-on
       type
19 Standard weld details for connection of mountings
20 Reinforcement details for low-type nozzles
21 Details of weld overlay for nozzles
22 Treads welded to roof plates
23 Typical detail of earthing boss site-welded to
       shell plates
24 Detail of stiffening ring radial joint
25 Typical shell and roof opening with expansion/
       contraction device
26 Typical shell and roof opening with flexible loop
27 Location of Charpy V-notch impact energy test
       specimen
A.1 Details of test plate
A.2 Typical multi-run weld
A.3 Location of Charpy V-notch impact energy test
       specimens
A.4 Temperature shift (delta T) at the 27 J toughness
       level
B.1 Dimensions of tensile test specimen
B.2 Method of attaching strain gauges
B.3 Test circuit
List of references

Specifies requirements for the materials, design, fabrication inspection testing of metal components of single, double and full containment storage tanks.

Committee
PVE/15
DevelopmentNote
Supersedes BS 4741(1971) (07/2004) Supersedes 90/73024 DC and BS 5387(1976) (10/2005)
DocumentType
Standard
Pages
68
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

PD 5500:2000 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
BS 7777-4:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon
BS PD5500(2009) : 2009 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
PD 5500:2003 Specification for unfired fusion welded pressure vessels
BS PD5500(2006) : 2006 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
BS PD5500(2012) : 2012 SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
13/30294315 DC : 0 PD 5500:2012+A3:2013 - SPECIFICATION FOR UNFIRED FUSION WELDED PRESSURE VESSELS
BS 7777-1:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Guide to the general provisions applying for design, construction, installation and operation
EEMUA 154 : 2002 DEMOLITION OF VERTICAL CYLINDRICAL STEEL STORAGE TANKS AND LPG SPHERES
PD 7777:2000 Alternative steel selection and its effect on design and testing of tanks to BS 7777
BS 7777-3:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Recommendations for the design and construction of prestressed and reinforced concrete tanks and tank foundations, and for the design and installation of tank insulation, tank liners and tank coatings

BS 4592-4:1992 Industrial type flooring, walkways and stair treads Specification for glass reinforced plastics open bar gratings
BS EN 288-4:1992 Specification and approval of welding procedures for metallic materials Welding procedure tests for the arc welding of aluminium and its alloys
BS 6443:1984 Method for penetrant flaw detection
BS 4592-1:1987 Industrial type flooring, walkways and stair treads Specification for open bar gratings
BS 8118-1:1991 STRUCTURAL USE OF ALUMINUM - CODE OF PRACTICE FOR DESIGN
BS 5950-5:1987 Structural use of steelwork in building Code of practice for design of cold formed sections
BS EN 287-1:2011 Qualification test of welders. Fusion welding Steels
BS 5289:1976 Code of practice. Visual inspection of fusion welded joints
BS EN 287-2:1992 Approval testing of welders for fusion welding Aluminium and aluminium alloys
BS 3605-1:1991 Austenitic stainless steel pipes and tubes for pressure purposes Specification for seamless tubes
BS 1560-3.1:1989 Circular flanges for pipes, valves and fittings (Class designated). Steel, cast iron and copper alloy flanges Specification for steel flanges
BS EN 10025:1993 Hot rolled products of non-alloy structural steels. Technical delivery conditions
PD 6501-1:1982 The preparation of British Standards for building and civil engineering Guide to the types of British Standard, their aims, relationship, content and application
BS 5950-8:1990 Structural use of steelwork in building Code of practice for fire resistant design
BS 3451:1973 Methods of testing fusion welds in aluminium and aluminium alloys
BS CP3:CH5-2(1972) : AMD 7908 CODE OF BASIC DATA FOR THE DESIGN OF BUILDINGS - LOADING - WIND LOADS
BS EN 10028-3:2017 Flat products made of steels for pressure purposes Weldable fine grain steels, normalized
BS 1501-2:1988 Steels for pressure purposes Specification for alloy steels: plates
BS 6072:1981 Method for magnetic particle flaw detection
BS CP118(1969) : 1969 AMD 1129 THE STRUCTURAL USE OF ALUMINIUM
BS EN 288-3:1992 Specification and approval of welding procedures for metallic materials Welding procedure tests for the arc welding of steels
BS 1503:1989 Specification for steel forgings for pressure purposes
BS 5950-3.1(1990) : 1990 STRUCTURAL USE OF STEELWORK IN BUILDING - PART 3: DESIGN IN COMPOSITE CONSTRUCTION - SECTION 3.1: CODE OF PRACTICE FOR DESIGN OF SIMPLE AND CONTINUOUS COMPOSITE BEAMS
BS 7777-4:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon
BS 7777-3:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Recommendations for the design and construction of prestressed and reinforced concrete tanks and tank foundations, and for the design and installation of tank insulation, tank liners and tank coatings
BS 4592-3:1987 Industrial type flooring, walkways and stair treads Specification for cold formed planks
BS EN 10045-1:1990 Charpy impact test on metallic materials Test method (V- and U-notches)
BS 5950-7:1992 STRUCTURAL USE OF STEELWORK IN BUILDING - SPECIFICATION FOR MATERIALS AND WORKMANSHIP: COLD FORMED SECTIONS
BS 7777-1:1993 Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Guide to the general provisions applying for design, construction, installation and operation
BS 1470:1987 Specification for wrought aluminium and aluminium alloys for general engineering purposes: plate, sheet and strip
BS 4592-2:1987 Industrial type flooring, walkways and stair treads Specification for expanded metal grating panels
BS 449-2:1969 Specification for the use of structural steel in building Metric units

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