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Optimum Protection LD1: As LD2, but in addition
Smoke or Heat Alarms should be located in all rooms
and other areas of the dwelling.
(apart from toilets or bathroom)
Interconnect all Alarms
for dwellings where occupants may be at high risk (e.g. elderly)
for new or materially altered dwellings or existing dwellings
with poor structural fire precautions
for dwellings where occupants may be at high risk (e.g. elderly)
for new or materially altered dwellings or existing dwellings
with poor structural fire precautions
Basic Protection LD2: Smoke or Heat Alarms in all
rooms or areas that present a high fire risk to occupants.
(apart from toilets or bathroom)
Minimum Protection LD3: Alarms in all hallways,
stairways and circulation areas that form part of the
escape routes from the dwelling.
UK Requirements
(BS 5839-6:2013)
Interconnect all Alarms
Heat Alarms located in:
(Heat Alarms must be within 5.3m of potential fire
sources)
each Kitchen
Multi-Sensor or Heat Alarms located in:
each Living room (i.e. most frequently used
daytime room)
Multi-Sensor or Smoke Alarms located:
on each storey
every 7.5 m of hallways and escape routes
within 3m of all bedroom doors
Multi-Sensor
Fire Alarm
Optical
Smoke Alarm
Heat
Alarm
do not
fit Alarm
(apart from toilets & bathrooms )
BASIC PROTECTION
OPTIMUM PROTECTION
MINIMUM PROTECTION
Optimum Protection LD1: As LD2, but also including
attics / lofts / other spaces in which a fire might start
(apart from toilets or bathroom).
Interconnect all Alarms
Basic Protection LD2: all circulation areas that form
part of an escaper route within the dwelling, and all high
fire risk areas / rooms e.g. kitchen, living rooms, garages
and all bedrooms (apart from toilets or bathroom).
Interconnect all Alarms
Heat Alarms located in:
(Heat Alarms must be within 5.3m of potential fire
sources)
each Kitchen
Multi-Sensor or Heat Alarms located in:
each Living room (i.e. most frequently used
daytime room)
Multi-Sensor or Smoke Alarms located:
on each storey
every 7.5 m of hallways and escape routes
within 3m of all bedroom doors
Multi-Sensor
Fire Alarm
Optical
Smoke Alarm
Heat
Alarm
do not
fit Alarm
(apart from toilets & bathrooms )
BASIC PROTECTION
OPTIMUM PROTECTION
ROI Requirements (IS 3218:2013)