Download - Automatic Sprinkler System

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Automatic Sprinkler Systems

Chapter 13


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Ricky Phillips, Instructor 2

Automatic Sprinkler Systems

Most reliable fixed extinguishing system

o reported multiple deaths in a

completely sprinkled building

Controls !"# of all fires $ith fi%e or

fe$er sprinklers acti%ated


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Automatic Sprinkler System

Consist of sprinkler heads

& arranged to automatically distribute $ater

directly to the fire

'ater supplied through a system of

piping


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Ricky Phillips, Instructor (

Two types of Sprinkler Coverage

Complete )prinkler Co%erage

& protects the entire building

Partial )prinkler Co%erage

& protects only certain areas

* high ha+ards, exit routes, places reuired by

code or -./


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NFPA 13

)tandard for the Installation of )prinkler

)ystems

Reuirements on spacing, pipe si+e,

and all details concerning the

installation of sprinkler systems


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Ricky Phillips, Instructor

NFPA 13D

)tandard for the Installation of )prinkler

)ystems in ne and $o 4amily

5$ellings and Mobile .omes


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Ricky Phillips, Instructor !

FM or ! !istings

-ll parts of system regulated by

& 4actory Mutual

& 6nder$riters 7aboratories


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"ffects on !ife Safety

7ife )afety is enhanced

& fire is extinguished $ill small

Combustion products are limited

& extinguishment in incipient stage

Presence is crucial in high9rise

buildings


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Ricky Phillips, Instructor :

System Fun#amentals

)prinklers

)prinkler 5esign

)prinkler )torage

Control ;al%es

'ater 4lo$ -larms 'ater )upply

4ire 5epartment Connection


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Ricky Phillips, Instructor 1"


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Sprinklers

5ischarge $ater

4usible 7ink

uick Response


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Sprinkler Storage

)torage Cabinet

& extra heads

& sprinkler $rench

Changing sprinkler heads should only

be performed by representati%es of the

building?s occupants@


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Ricky Phillips, Instructor 1(

Control $alves

)AB ;al%e

Post Indicator ;al%e PI;D

Post Indicator ;al%e -ssembly PI;-D

perating ;al%es


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%aterflow Alarms

.ydraulic or electrical

$arn of $ater mo%ement in system

.ydraulic alarm sounds local

Electrical alarm sounds local and fire

alarm system


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%ater Supply


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Ricky Phillips, Instructor 1!

Fire Department Connection

Pro%ides outside source of $ater supply

Consists of at least t$o 291F2G female

connections or one 75. connection

)upplied by pumper $ith minimum

1,""" gpm pump or greater

Minimum of t$o 291F2G lines

P5P of 10" psi@


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Types of Systems

'et9Pipe

5ry9Pipe

Pre9-ction

5eluge

Residential


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Ricky Phillips, Instructor 1:

%et&Pipe System


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Ricky Phillips, Instructor 2"

Dry&Pipe System


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Deluge System


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Pre&Action System


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'esi#ential System


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Ricky Phillips, Instructor 2(

Factors ( Consi#erations


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Controlling %ater Flow from a

Sprinkler )ea#