BS 5306-6.2:1989

Foreword
Committees responsible
Section one. General
0 Introduction
1 Scope
2 Definitions
3 Characteristics of medium and high expansion foam
4 Classification of flammable liquids
5 Types of system
6 Planning
Section two. Contract arrangements
7 Contract drawings
8 Extensions and alterations
9 Commissioning and acceptance tests
Section three. Periodic inspection, testing and
               maintenance
10 Inspection
11 Service and maintenance schedule
Section four. System design
12 General
13 Foam quality
14 Water supplies, pumps and drainage
15 Foam concentrate and solution
16 Components and pipework
17 Operation
Section five. Specific types of system
18 Medium expansion foam systems
19 High expansion foam systems
Appendices
A Classification of foam concentrates
B Determination of application rate (medium expansion)
    and foam discharge rate (high expansion)
C Determination of expansion
D Determination of percentage concentration
Tables
1 Minimum discharge times for medium expansion foam
    systems discharging at the minimum rate
2 Maximum submergence times for high expansion foam
    systems
Figures
1 Sign for display at manual control
2 Signs for display at entrances to hazard

Fixed and semi-fixed systems. Application rates for medium expansion foam on liquid fires and high expansion foam on liquid and solid fires.