Inspection, Testing & Maintenance Flashcards
(92 cards)
1
Q
When was the first edition of NFPA 25 created
A
1992
2
Q
“Approved” in NFPA means
A
Acceptable to AHJ
3
Q
“Shall” in NFPA means
A
Has to be done
4
Q
“Should” means in NFPA
A
Recommend practise
5
Q
What are the 3 deficiency levels
A
Non-Critical
Critical
Impairment
6
Q
Non-Critical deficiency means
A
It would not stop the sprinkler system from working
7
Q
Critical deficiency means
A
Could stop sprinkler system from operating properly
8
Q
Impairment means
A
System will not work at all
9
Q
2 kinds of impairment are
A
Emergency impairment and pre planned impairment
10
Q
Inspection means
A
Visual examination from ground level
11
Q
Test means
A
Operation of a device/system to verify operation
12
Q
What chapter in NFPA 25 is specifically for building owners
A
Chapter 4
13
Q
Sprinklers inspected from floor level
_________.
A
Annually
14
Q
Pipe and fittings inspected
A
Annually
15
Q
Hangers inspected
A
Annually
16
Q
Water flow alarms (electronic) inspected
A
Quarterly
17
Q
Supervisory devices inspected
A
Quarterly
18
Q
Hydraulic data plate inspected
A
Annually
19
Q
Standard sprinklers require testing every ___ years
A
50
20
Q
Sprinklers prior to ______ must be replaced
A
1920
21
Q
Fast response sprinklers require testing every ____ years
A
20
22
Q
Sprinklers in harsh environments require testing every ___ years
A
5
23
Q
Dry sprinklers require testing every ____ years
A
10
24
Q
How many heads will be sent for testing
A
4 heads or 1% of total heads
25
What device tests the heads
Plunge test apparatus
26
Water flow alarms (mechanical) to be tested
Quarterly
27
Water flow alarms (electronic) to be tested
Semi-Annual
28
Anti-freeze systems tested
Annually
29
Where are anti freeze systems tested from
Remote testing points
30
What devices are used to test anti freeze solution
Prism refractometer
Digital refractometer
31
Sprinklers protecting commercial cooking equipment shall be replaced
Annually
32
Hose houses inspected
Quarterly
33
What must be done when a fire hydrant has been replaced
Hydrostatic test, water flow test, proper drainage
34
Oil & filter must be replaced on a diesel engine fire pump driver
Annually or 50 hours
35
How much fuel must be maintained in a diesel fuel tank
2/3rds
36
Steel storage water tanks w/o corrosion protection must be inspected
Every 3 years
37
Unsupervised tank heating heating system to be inspected
Daily
38
What must be done if Voids are discovered below the floor of tanks
Be filled with grout or sand
39
When is fire watch required during impairment
When a system is out of service for more then 10 hours in a 24 hour period
40
Where shall impairment tags be placed
FDC, system control valve, any other location required from AHJ
41
Non critical deficiency tag colour
Yellow
42
Critical deficiency tag colour
Orange
43
Impairment tag colour
Red
44
Two methods for flushing sprinkler piping are
Hydraulic method (flushing to ends of main and lines)
hydro-pneumatic method (through flushing connections back to riser)
45
Hydrants to be inspected
Annually (warm weather)
46
Reduced pressure assemblies & reduced pressure detector assembly to be visually inspected
Weekly (ensure differential sensing valve is not continuously discharging)
47
Valves in locked position to be inspected
Monthly
48
Gauges(air) are to be inspected
Monthly
49
Gauges must be accurate within
3% of the full scale
50
Gauges require replacement or testing every ____ years
5
51
Hydraulic name plate inspected
Quarterly
52
FDC inspected
Quarterly
53
When shall the valve tamper switch send an alarm
Within 2 revolutions of a hand wheel or 1/5th of stem has moved from normal position
54
Vane type and pressure switch type water flow devices should be tested
Semi annual
55
When is each valve operated through is full range of motion
Annually
56
Post indicator valves are opened until
Spring or torsion is felt in the rod
57
Main drain test should be conducted
Annually
58
Minimum temp for wet system and dry system enclosure
40F or 4C
59
Main drain test should be conducted whenever
A main control valve is closed
60
When sprinklers are 75+ years old, testing should occur at
5 year intervals
61
Internal piping inspections should occur whenever
Debris are known or believed to be in system
62
Dry pipe valve, (external) enclosure, trim, and other related components should be externally inspected
Monthly
63
Priming level should be checked
Quarterly
64
Low air pressure alarms should be tested
Quarterly
65
QOD tested
Quarterly
66
What type of water flow devices are prohibited with dry pipe valves
Vane type
67
Pressure switch type water flow devices need to be tested at least
Semi annually
68
Each DPV should be trip tested
Annually (partial trip test)
69
Ice plug investigations should occur
Annually
70
Air maintenance device to be tested
Annually
71
DPV full flow trip test every
3 years, or whenever the DPV has been altered
72
Air leakage test every
3 years
73
Air leakage test consist of
1) 40 psi for 2 hours (3psi max loss)
2)normal system pressure for 4 hours, no low air pressure alarm
74
Strainers, filters, restricted orfice is to be inspected internally every
5 years
75
Internal piping system is to be inspected every
5 years
76
MIC stands for
Microbiologically influenced corrosion
77
What sealing material is permitted on clapper of DPV
Nothing. No grease or other materials are to be applied
78
Frequency for inspecting internals of non metallic pipe
Not required
79
Standpipe system flow test
5 years ( to verify the required flow and pressure at the most remote hose valve)
80
Max temp for room containing spare heads
100F or 38C
81
Fire dept. connection to be tested every
5 years
82
Fire dept connection is to be tested at what pressure and for how long
150psi for 2hours
83
Valves in sealed condition to be inspected
Weekly
84
Valves being supervised inspected
Quarterly
85
Air compressors inspected
Monthly
86
Dry pipe valves inspected internally
Annually
87
Valve room with Diesel fire pump must be at a temperature of
70F
88
How many heads in a head box on a site with less then 300 heads
6
89
How many heads in a head box with 300-1000
12
90
How many heads in a head box with >1000 on site
24
91
Minimum size flushing connection
1 1/4”
92
Gauges (water) to be inspected
Quarterly
