The following extract is the most pertinent for fire extinguishers installation:
FIRE FIGHTING EQUIPMENT
E1.6 Portable fire extinguishers
Portable fire extinguishers must be provided as listed in Table E1.6 and must be selected, located and distributed in accordance with Sections 1, 2, 3 and 4 of AS 2444.
The following is a part extract of clause I1.1 for an Essential Safety Measure (as appeared in BCA 2013) known as fire extinguishers:
Table I1.5 SAFETY MEASURES – FIRE FIGHTING SERVICES AND EQUIPMENT