BS 7777-1:1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Flat-bottomed, vertical, cylindrical storage tanks for low temperature service Guide to the general provisions applying for design, construction, installation and operation
Hardcopy , PDF
29-12-2006
English
15-06-1993
Committees responsible
Foreword
Guide
1 Scope
2 References
2.1 Normative references
2.2 Informative references
3 Definitions
3.1 Types of containment
3.2 Other terms
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/or alternative information to be
supplied by the purchaser
5.3 Information to be agreed between the purchaser and
contractor
6 Storage concepts
6.1 General
6.2 Criteria for the selection of storage concept
7 Loading cases and design considerations
7.1 General
7.2 Normal loading cases
7.3 Abnormal loading cases
8 Pressure relief
8.1 General
8.2 Primary internal positive and internal negative
pressure relief system design
8.3 Location of pressure relief valves
8.4 Construction of pressure relief valves
8.5 Determination of capacity of pressure relief
systems
9 Commissioning and decommissioning
9.1 Commissioning
9.2 Decommissioning
10 Inspection and tank monitoring
10.1 General
10.2 Equipment
Annexes
A (informative) Guidance on operation
B (informative) Guidance on a method of seismic
analysis for refrigerated liquid gas tanks
C (informative) Guidance on safety and other aspects
Tables
1 Loading cases associated with tank types shown in
figures 1 to 3
B.1 Component transient loading criteria
Figures
1 Examples of single containment tanks
2 Examples of double containment tanks
3 Examples of full containment tanks
A.1 Typical example of level alarm
A.2 Typical example of condensation in dome roof for
butane gas
A.3 Arrangement of sensors under tank bottom
A.4 Typical heating time recording curve
A.5 Flotation of the inner tank
C.1 Pilot-operated pressure relief valve
C.2 Dead weight type pressure relief valve
C.3 Pilot-operated low-pressure relief valve
C.4 Dead weight type internal negative pressure relief
valve
C.5 Arrangement of pressure control valves (PCVs) to
flare, and internal positive pressure relief
valves to atmosphere, internal negative pressure
relief valves, locked block valves and spare
positions
List of references
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.