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0701
LP 423 Automatic Sprinklers
44
Other
Professional
10/16/2007
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Term
What percent of all fires in sprinklered buildings are extinguished with sprinkler systems?
 Definition
96%
Term
The most common sprinkler system is the?
 Definition
Wet Pipe
Term
Where are DRY pipe systems found?
 Definition
In areas subject to freezing
Term
What are DRY pipe systems normally pressurized to?
 Definition
Between 15 to 50 PSI
Term
What kind of sprinkler system is activated by heat dector and smoke dectors and have fusible links?
 Definition
Pre-Action
Term
What kind of systems are used to protect high hazard areas such as a aircraft hanger?
 Definition
Deluge System
Term
What is different about the sprinklers on a Deluge system?
 Definition
The Heads are fully open
Term
A COMBINED System is normally found in buildings from 19___ to ______?
 Definition
1974 to present
Term
Buildings with a COMBINED system are over _________ ft. in height.
 Definition
75
Term

When the water for a given sprinkler head is delivered from two or more risers. This is a ________ system.

 Definition
Looped
Term
A simple inexpensive protection system for light hazard occupancies were not over 3 or 4 sprinklers are likely to operate.
 Definition
Junior System
Term
The JUNIOR System is fed through a domestic water supply via a _____________ and electric water flow alarm.
 Definition
1 in. brass pipe
Term
A JUNIOR System will discharge __________ as much water as a standard 1/2" sprinkler head.
 Definition
1/2
Term
Where will you find a JUNIOR System?
 Definition
Buildings 3 stories or less, or uses 20 heads or less
Term

What is the Dorothy Maw Ordinance?

 Definition
Requires all Pre 1943 multiple unit residential buildings, 3 or more stories in heaight, to meet certain fire saftey requirements.
Term
Dorothy May Ordinance requires that sprinkler heads be placed no less then ________ ft. inside a door and no FURTHER than ________ feet from the door.
 Definition
5
7
Term
To meet the Dorothy Mae ordinance sprinklers must be residential quick response typw and be rated for the lowest operating temp availiable which is ________?
 Definition
135 deg.
Term
All buildings affected by the Dorothy Mae Ordinance will be required to be compliant with the ___________?
 Definition
"Ponet" Ordinance
Term
What are the 3 types of control valves?
 Definition
  1. P.I.V.
  2. OS & Y
  3. Gate Valves
Term
Purpose is to shut down the complete system or isolate parts of the system for repairs or testing?
 Definition
Control Valves
Term
All control valves SHOULD be open at all times. To do so business owners should secure them with a ___________?
 Definition
  1. Pad Locked Handle
  2. Chain
Term
Post Indicator Valves are normally painted _________ and are located above ground outside of the building at a distance of about ___________ ft.
 Definition
red
40 ft.
Term
Where are OS&Y and Gate Valves usually located?
 Definition
inside the building; near the standpipe or riser
Term
Sprinkler heads extended down from piping?
 Definition
Pendant
Term
Spinkler heads that sit on top of piping?
 Definition
Upright
Term
Sprinkler heads that extend from the side, used when piping runs along a wall.
 Definition
Sidewall
Term
Sprinklers that are recessed into the ceiling?
 Definition
Flush
Term
Some flushed sprinklers have a ________ deg disc which covers the head, then drops away exposing the ________ deg. sprinkler head.
 Definition
117
165
Term
A sprinkler for a domestic water supply that are "fast response" heads.
 Definition
Residential
Term

Junior System Heads are identified by a ____________?

 Definition
"Pintle"----- What the heck is a Pintle ???
Term
How many different kinds of release mechanisms are there?
 Definition

6  pg. 9
Term
How many different kinds of spinkler heads are there?
 Definition
6
Term
What is the sprinkler head temperatures for the various sprinkler heads?
 Definition
(Ugly)             Uncolored               165
(White)           White                     212
(Boys)             Blue                       286
(Rarely)           Red                       360
(Go)               Green                     400
(Out)              Orange                   500
Term
The effective discharge range for an effective sprinkler head is ____ ft. out and ________ ft. below the head.
 Definition
16
4
Term
What sprinkler informaiton is obtained from the solder links of a sprinkler head?
 Definition
  1. Temperature
  2. Manufacturer
  3. Style
  4. When it was manufactured
Term
What are the 6 components to the sprinkler heads?
 Definition
  1. Deflector
  2. Frame
  3. Orifice
  4. Cap
  5. Threads
  6. Inside Diameter
Term
What referes to the accumulation of dirt and slow operation of sprinkler heads?
 Definition
"loading" or "loaded"
Term
How do you prevent "loading" on sprinkler heads?
 Definition
  1. Vacuum with a soft bristle
  2. compressed air
  3. exchange sprinkler head
Term
If it is obvious that a fire is in progress and a number of heads have opened, pump pressure should be increased to ______ psi?
 Definition
150
Term
What are 6 different tools that we can use to shut off an activated or damaged sprinkler head?
 Definition
  1. Shultz shut-off tool
  2. Petersen wedge
  3. Redwood plugs
  4. Globe Valve
  5. 2 1/2" hose to divert flow of water
  6. Sprinkler wrench
Term
Company inspections/pre-fire are set by Cheif Regulation 4 every _______ yrs.
 Definition
5
Term
Company inspections should make sure there are no obstructions _______ from head and that there is access to aisles with a minimum width of ________.
 Definition
18 in
3 ft
Term
How many spare heads are required for specific systems?
 Definition
  1. 0-300        =          6 Spares
  2. 301-1000   =          12 Spares
  3. 1000+        =         24 Spares
Term
If no fire is showing companies should supply ________ psi to the inlet.
 Definition
100
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