1. Fire Protection System
Inspection and Test

2. Fire Protection Systems
•
•
•
•

3. Inspection and Test
• Inspection
• Test
– Periodic Test
– Acceptance Test

4. Fire Protection Systems
• Sprinkler
• Water Spray
• Clean Agent

5. Sprinkler System
• Wet pipe
• Preaction
– Single Interlock
– Double Interlock

6. Sprinkler System
•
•
Manual

7. Automatic Sprinkler
• Listed spray pattern
• Sensitive to obstruction

8. Automatic Sprinkler
• Listed temperature
rating
• Listed discharge
coefficient

9. Wet Pipe
• Continuously charged
• Immediate discharge

10. Preaction
• Continuously monitored
by compressed air
• Require fire detection
system

11. Single Interlock
• Water charge in system
piping upon operation
of alarm device

12. Double Interlock
• Water charge in system
piping upon operation
of alarm device and
sprinkler opening

13. Preaction sprinkler
• Upright sprinkler
• Dry sprinkler
• Pendent sprinkler in
return bends and
branch lines are above
4C
• Horizontal sidewall
sprinkler installed so
that water is not
trapped

14. Required Information
• As-Built drawings
• AHJ additional
requirements
• Calculation sheets
• Data sheets
• User Manual
• Maintenance Manual

15. Inspection
• Occupancy
classification
• Protected area
• Discharge area
• System demand
• Flow at most
remote
sprinkler
• Flow at system
riser

16. Inspection
• Location and
quantity of
equipments
• Pipe size and
routing
• Sprinkler
obstructions
– Pattern
development
obstruction
– Water distribution
obstruction

17. Inspection
Sprinkler obstructions
• Pattern development
• Water distribution

18. Sprinkler obstruction

19. Sprinkler obstruction

20. Sprinkler obstruction

21. Hydrostatic test
• 200 psi (13.8
bar) without
loss for 2 hours
• Test pressure
shall be read
from a gauge
located at the
low elevation
point of the
system

22. Air test (Preaction)
• 40 psi (2.8 bar) with less
than 1-1/2 psi (0.1 bar)
in 24 hours

23. Operational test
• Open Inspector’s
test connection
• Alarm expected
within 5 minutes
Preaction
• Activate alarm
device
• Open Inspector’s
test connection
• Water discharge
expected within 1
minute

24. Operational test
• Open main drain valve
and leave open until
pressure stabilized
• Close and open each
control valves under
system water pressure
• Open and flow test all
pressure reducing valve

25. Water Spray System
• Open nozzle
• Normally empty pipe

26. Water Spray Nozzle
• Predetermined pattern
• Sensitive to wind draft

27. Required Information
• As-Built drawings
• AHJ additional
requirements
• Calculation sheets
• Data sheets
• User Manual
• Maintenance Manual

28. Inspection
• Protected hazard
• Design density
• Protected area
• System demand

29. Inspection
• Location and
quantity of
equipments
• Nozzle pattern
and location
• Pipe size and
routing

30. Hydrostatic test
• 200 psi (13.8
bar) without loss
for 2 hours
• Test pressure
shall be read
from a gauge
located at the
low elevation
point of the
system

31. Operational test
• Test system actuation as
per manufacturer’s
manual
• Discharge test
(Automatic, Manual, Em
ergency)

32. Clean Agent System
• Carbon Dioxide
• Inert Gases
• Synthetic Gases

33. Clean Agent System
• Normally empty pipe
• 10 seconds – 60
seconds discharge
• Require Automatic
detection and control

34. Carbon Dioxide
• Stored in liquid or
superheated gas state
• No pressure gauge
• Quantity check only by
weighing
• Flow in two phases
• Very low temperature
discharge
• Nominal 60 seconds
discharge

35. Inert Gas
• Stored in high pressure
compressed gas state
• Pressure gauge
represent gas quantity
• Flow in gas state
• Nominal 60 seconds
discharge

36. Synthetic Gas
• Stored in liquid state
under Nitrogen propellant
• Pressure gauge represent
propellant quantity
• Weighing or liquid level
measuring for agent
quantity
• Discharge within 10
seconds to prevent
decomposition products

37. Required Information
• As-Built drawings
• AHJ additional
requirements
• Calculation sheets
• Data sheets
• User Manual
• Maintenance Manual

38. Inspection
• Protected
hazard
• Design
concentration
• Protected
volume
• System
demand
• Discharge
duration
• Operation
sequence

39. Inspection
• Location and
quantity of
equipments
• Cylinder fills
• Propellant pressure
level (if available)
• Cylinders are
secured as per the
design
• Nozzle pattern and
location
• Pipe size and routing
• Protected area
dimensions

40. Inspection
• Location of control
panel
• Location of field
devices
• Location of interface
control panel
• Location of field
devices
• Wiring gauge and
conduit size
• Dedicated power
source
• Standby power source
or integral battery

41. Inspection
Carbon Dioxide
• Lock out valve MUST be
provided in each
protected volume
• NO Abort switch
Inert and Synthetic Gas
• Maintenance lockout
switch shall be provided
• Abort switch shall be
provided

42. Hydrostatic test
Carbon dioxide
• Not required
Inert or Synthetic Gas
• 40 psi (2.7 bar) with no
more than 20% for 10
minute

43. Discharge test (Carbon Dioxide)
• Oxygen sensor with
data logger
• Less than 10% Oxygen
concentration
• 10 minute retention
time

44. Room integrity test
• Maximum
protected
height
• Retention
period

45. Operational test
• Notify all concerning
parties
• Disarm the system

46. Operational test
• Alarm device and
alarm response
• Automatic actuation
sequence
• Abort function
• Manual actuation
• Emergency actuation
• Main/Reserve
changeover
• Supervisory devices
• Interface
verifications

47. Operational test
Trouble supervision
• Initiating circuits
• Indication
circuits
• Release circuits
• Main power
supply
• Standby power
supply

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