BS 5306-4:1986

Foreword
Committees responsible
Specification
Section one. General
0 Introduction
1 Scope
2 Definitions
3 Characteristics and uses of carbon dioxide
4 Types of system
5 Planning
Section two. Contract arrangements
6 System layout drawings
7 Tests and acceptances
Section three. Maintenance
8 General
9 Extensions or alterations
Section four. Total flooding systems
10 Uses
11 General design
12 Enclosure
13 Carbon dioxide for surface fires
14 Carbon dioxide for deep-seated fires
15 Rates of application
16 Distribution systems
Section five. Local application systems
17 Uses
18 General design
19 Quantity of carbon dioxide
20 Rates of discharge
21 Duration of discharge
22 Liquids of low auto-ignition temperature
23 Surface area method
24 Volume method
25 Distribution system
Section six. Manual hose reel systems
26 Uses and general design
27 Hazard to personnel
28 Location and spacing of manual hose reels
29 Rate and duration of discharge
30 Equipment design
31 Charging the hose reel
Section seven. System engineering design
32 System components
33 System operation
34 Safety precautions
35 Carbon dioxide supply
36 Quantity of carbon dioxide
37 Storage containers
38 High pressure storage
39 Low pressure storage
40 Pipework
41 Installation of pipework
42 Marking of pipework
Appendices
A Determination of carbon dioxide concentrations for
    flammable liquids and gases
B Examples of calculation of carbon dioxide
    requirements
C Determination of carbon dioxide pipe and orifice
    size
Tables
1 Volume factors
2 Minimum carbon dioxide concentration for extinction
3 Hazard factors
4 Extended discharge gas quantities for enclosed
    recirculation: rotating electrical machines
5 Aiming factors for nozzles installed at an angle
    (based on 150 mm freeboard)
6 Carbon dioxide requirements
7 Monitoring facilities
8 Closed sections of pipework
9 Open-ended pipework
10 Safety clearances to enable operation, inspection,
    cleaning, repairs, painting and normal maintenance
    work to be carried out
11 Values of Y and Z for 20.7 bar storage
12 Values of Y and Z for 51.7 bar storage
13 Discharge rate of equivalent orifice area for low
    pressure storage (20.7 bar)
14 Discharge rate of equivalent orifice area for high
    pressure storage (51.7 bar)
15 Equivalent length of threaded pipe fittings
16 Equivalent length of welded pipe fittings
17 Elevation correction factors for low pressure
    systems
18 Elevation correction factors for high pressure
    systems
19 Equivalent orifice size
Figures
1 Aiming position for angled discharge nozzles
2 Label to be displayed at manual control
3 Label to be displayed at entrances to hazard
4 Cup burner apparatus
5 Pressure drop in pipeline for 20.7 bar storage
    pressure
6 Pressure drop in pipeline for 51.7 bar storage
    pressure

Requirements and recommendations for total flooding, local application, and manual hose reel carbon dioxide fire extinguishing systems. Contract arrangements, design, installation, maintenance and safety.