The document summarizes the inspection and testing requirements for various fire protection systems including sprinkler systems, water spray systems, and clean agent systems. It outlines the components, design considerations, and specific tests to be performed for each type of system such as hydrostatic tests, air tests for preaction sprinklers, and discharge tests for clean agent systems. Maintenance of accurate as-built drawings, calculations sheets, and operating manuals is also emphasized.

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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