Quantcast Extinguishing Systems -Cont.

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Reference
-
Is coverage 100%?
(1), Sec. 6.1.4.2
-
Determine sprinkler occupancy type (light,
(1), Appendix C
ordinary, extra, and group number).
-
Is system to be hydraulically calculated
(1), Sec. 6.1.4.1
(protected area over 1500 SF)?
-
For hydraulic calcs, specify design
(1), Table 5.1.2
density, remote design area, and hose stream
allowance.
-
For pipe schedule systems (under 1500 SF)
(5), Table 5-2.2
specify occupancy group as above and
include an outside hose stream
allowance.
-
If storage occupancy, indicate specific type
NFPA 231-1990, 231C-1991
of material stored, how it is packaged, how
it is stored (i.e., piles, pallets, racks),
and storage height.
-
Are in-rack sprinklers required?
NFPA 231C-1991
-
Are all sprinklers (including trash chutes,
(4), Sec. 2.1.3
spray booths, etc.) under sprinkler spec?
-
Is riser detail provided showing Fire
(4), Sec. 2.6.1
Department connection, alarms, drains,
pressure gages, and other trim?
-
Are underground feed main and riser at least
(4), Sec 2.5.4
6" size?
-
Specify 212EF (intermediate temperature)
or higher sprinkler heads.
(4),
Sec. 2.4.1
-
Specify earthquake sway bracing.
(4),
Sec. 2.5.1
-
Specify automatic power shutdown in
NFPA
75-1992 and
electronics equipment areas.
(4),
Sec. 2.8
-
Is the Fire Department connection and water
motor gong accessible to the fire department?
-
Does the system activate the building alarm?
(1), Sec. 1.1
-
If no alarm system, do the sprinklers send
(1), Sec. 1.1
a signal directly to the Fire Department?
-
Are sprinkler and fire alarm specs
coordinated (i.e., pressure switch under
sprinkler section and wiring to alarm
system under fire alarm section)?
-
If the system is wet pipe, provide a post
NFPA 24-1992
indicator control valve at least 40 feet from
the building. Where this distance is not
possible, locate PIV at blank masonry wall.
-
If the system is pre-action or deluge,
(4), Sec. 2.6.3
provide an OS+Y control valve on the riser.
NFPA 24-1992
-
If the riser is located outside, it must have
(4), Sec. 2.6.1
protective shelter built around it.
-
Specify a thermal relief valve on all
(4), Sec. 2.10
gridded sprinkler systems. Show on riser
diagram.
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