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P103.1 Use Groups B, F, M, S
Groups B, F, M and S Occupancies are considered lower hazard occupancies. As such, the impairment guideline is tailored to manage the risks associated with those occupancies. Mitigation shall be in accordance with Table P103.1(a) and Table P103.1(b).

TABLE P103.1(a)
SUPPRESSION-BASED SYSTEMSUSE GROUPS B, F, M, S
Impairment (Water-Based
Systems, Groups B, F, M and S)
Building/ Location
Height — Stories Above
Grade
Estimated
Repair Time
Fire
Watch
Req'd
Notify
Dispatch and
Fire Code
Official for
possible
additional
measures per
section
P101.4.3
Fire Pump 1 ≤ 10 hours Y N
> 10 hours Y Y
2-5 ≤ 4 hours Y N
> 4 hours Y Y
6 or more ≤ 2 hour Y N
> 2 hour Y Y
Fire Pump with back-up fire pump 1 ≤ 10 hours N N
> 10 hours N Y
2-5 ≤ 10 hours N N
> 10 hours N Y
6 or more ≤ 10 hours N N
> 10 hours N Y
Feed Main/ Standpipe Out of
Service (does not affect
sprinkler system supplies)
1 ≤ 10 hours N N
> 10 hours N Y
2-5 ≤ 10 hours N N
> 10 hours N Y
6 or more ≤ 8 hours N N
> 8 hours N Y
Feed Main/ Standpipe Out of
Service (interrupts supply to
more than one sprinkler system)
1 ≤ 10 hours Y N
> 10 hours Y Y
2-5 ≤ 4 hours Y N
> 4 hours Y Y
6 or more ≤ 2 hour Y N
> 2 hour Y Y
Underground fire service main
out of service — redundant main
and tank
1 ≤ 10 hours N N
> 10 hours N Y
2-5 ≤ 10 hours N N
> 10 hours N Y
6 or more ≤ 8 hours N N
> 8 hours N Y
Underground Supply Out of
Service (No secondary water
supply)
1 ≤ 10 hours Y N
> 10 hours Y Y
2-5 ≤ 4 hours Y N
> 4 hours Y Y
6 or more ≤ 1 hour Y N
> 1 hour Y Y
Underground Supply Out of
Service (built-in secondary water
supply)
1 ≤ 10 hours N N
> 10 hours N Y
2-5 ≤ 10 hours N N
> 10 hours N Y
6 or more ≤ 2 hours N N
> 2 hours N Y
Waterflow switch not functional (system still operational) 1 ≤ 10 hours N N
> 10 hours Y N
2-5 ≤ 6 hours N N
> 6 hours Y N
6 or more ≤ 3 hours N N
> 3 hours Y N
Sprinkler System
Repair/Sprinkler System out of
Service
1 ≤ 10 hours Y N
> 10 hours Y Y
2-5 ≤ 6 hours Y N
> 6 hours Y Y
6 or more ≤ 3 hours Y N
> 3 hours Y Y
Water Spray Fixed Systems
(NFPA 15)
NA ≤ 8 hours N N
> 8 hours Y Y
Foam-water system 1 ≤ 4 hours N N
> 4 hours Y Y
2-5 ≤ 4 hours N N
> 4 hours Y Y
6 or more ≤ 4 hours N N
> 4 hours Y Y
Kitchen exhaust hood and duct
extinguishing system
NA ≤ 2 hours N N
> 2 hours Y Y
Clean-agent (with sprinkler
system inside the space)
1 ≤ 10 hours N N
> 10 hours N N
2-5 ≤ 10 hours N N
> 10 hours N N
6 or more ≤ 8 hours N N
> 8 hours Y N
Clean-agent (without sprinkler
system inside the space)
1 ≤ 8 hours Y N
> 8 hours Y Y
2-5 ≤ 6 hours Y N
> 6 hours Y Y
6 or more ≤ 3 hours Y N
> 3 hours Y Y
Water storage tank (including
pools used as tanks) - with
redundant water mains
1 ≤ 10 hours N N
> 10 hours N N
2-5 ≤ 10 hours N N
> 10 hours N N
6 or more ≤ 8 hours N N
> 8 hours N Y
Water storage tank (including
pools used as tanks) - without
redundant water mains and tank
acts as secondary supply only
1 ≤ 10 hours N N
> 10 hours N Y
2-5 ≤ 6 hours N N
> 6 hours N Y
6 or more ≤ 3 hours N N
> 3 hours N Y
Water storage tank (including
pools used as tanks) - without
redundant water mains and tank
acts as break tank for primary
supply
1 ≤ 5 hours Y N
> 5 hours Y Y
2-5 ≤ 3 hours Y N
> 3 hours Y Y
6 or more ≤ 1 hours Y N
> 1 hours Y Y
Obstructions in water supply —
Lack of Flushing/MIC
1 ≤ 8 hours N N
> 8 hours Y Y
2-5 ≤ 6 hours N N
> 6 hours Y Y
6 or more ≤ 4 hours N N
> 4 hours Y Y
Fire department access (fire
hydrant, fire command center,
fire pump and FDC access)
1 ≤ 4 hours N N
> 4 hours Y Y
2-5 ≤ 4 hours N N
> 4 hours Y Y
6 or more ≤ 4 hours N N
> 4 hours Y Y

TABLE P103.1(b)
FIRE ALARM SYSTEMSUSE GROUPS B, F, M, S
Impairment (Fire Alarm System,
Groups B, F, M and S)
Building Height -
Stories
Estimated
Repair Time1
Fire
Watch
Req'd
Notify
Dispatch and
Fire Code
Official for
possible
additional
measures per
section
P101.4.3
Main FACU Not Operational (No
Stand-alone Nodes)
1 ≤ 5 hours Y N
> 5 hours Y Y
2-5 ≤ 2 hours Y N
> 2 hours Y Y
6 or more ≤ 1 hour Y N
> 1 hour Y Y
Main FACU Not Operational
(Stand-alone Nodes are
available)
1 ≤ 5 hours Y N
> 5 hours Y N
2-5 ≤ 5 hours Y N
> 5 hours Y N
6 or more ≤ 5 hours Y N
> 5 hours Y Y
Node FACU panel is down 1 ≤ 5 hours Y N
> 5 hours Y Y
2-5 ≤ 4 hours Y N
> 4 hours Y Y
6 or more ≤ 3 hours Y N
> 3 hours Y Y
Strobe power supply is down 1 ≤ 5 hours N N
> 5 hours N Y
2-5 ≤ 5 hours N N
> 5 hours N Y
6 or more ≤ 5 hours N N
> 5 hours N Y
Audio Panel is down 1 ≤ 5 hours Y N
> 5 hours Y Y
2-5 ≤ 5 hours Y N
> 5 hours Y Y
6 or more ≤ 4 hours Y N
> 4 hours Y Y
Single detection circuit is down 1 ≤ 5 hours N N
> 5 hours Y N
2-5 ≤ 5 hours N N
> 5 hours Y N
6 or more ≤ 5 hours Y N
> 5 hours Y Y
Single alarm circuit is down 1 ≤ 5 hours N N
> 5 hours Y N
2-5 ≤ 5 hours N N
> 5 hours Y N
6 or more ≤ 5 hours Y N
> 5 hours Y Y
Single detection device not
operational
1 ≤ 10 hours N N
> 10 hours Y N
2-5 ≤ 10 hours N N
> 10 hours Y N
6 or more ≤ 10 hours N N
> 10 hours Y N
Single Notification Device not
operational
1 ≤ 10 hours N N
> 10 hours Y N
2-5 ≤ 10 hours N N
> 10 hours Y N
6 or more ≤ 10 hours N N
> 10 hours Y N
Monitoring Panel not operational
(fire sprinkler and fire alarm
systems still operational)
1 ≤ 24 hours N N
> 24 hours Y Y
2-5 ≤ 24 hours N N
> 24 hours Y Y
6 or more ≤ 24 hours N N
> 24 hours Y Y
Ground Fault 1 ≤ 10 hours N N
> 10 hours Y N
2-5 ≤ 10 hours N N
> 10 hours Y N
6 or more ≤ 10 hours N N
> 10 hours Y N
Single Notification Card in Panel 1 ≤ 5 hours Y N
> 5 hours Y N
2-5 ≤ 5 hours Y N
> 5 hours Y Y
6 or more ≤ 3 hours Y N
> 3 hours Y Y
Single Detection Card in Panel 1 ≤ 5 hours Y N
> 5 hours Y N
2-5 ≤ 5 hours Y N
> 5 hours  Y Y
6 or more ≤ 3 hours Y N
> 3 hours Y Y
Recall 1 NA NA NA
2-5 ≤ 5 hours N N
> 5 hours N Y
6 or more ≤ 3 hours N N
> 3 hours N Y
Automatic Doors not Releasing
Automatically 
1 ≤ 2 hours N N
> 2 hours N Y
2-5 ≤ 2 hours N N
> 2 hours N Y
6 or more ≤ 2 hours N N
> 2 hours Y Y
Smoke Control Panel
(automatic mode works)
1 ≤ 5 hours N N
> 5 hours N Y
2-5 ≤ 5 hours N N
> 5 hours N Y
6 or more ≤ 3 hours N N
> 3 hours N Y
Smoke Control Panel
(automatic mode does not
works)
NA NA N Y
Fire fighter communication
systems (fire phones and radio
systems)
NA NA N Y
  1. 1 If the building is protected with a fire sprinkler system, the "Estimated Repair Time" hours shown in this column may be doubled.

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