TOPIC 11: Fire Protection System Flashcards
Supplying Water for
Fire Protection Systems:
The Elevated Water Tank
The Underground Water Reservoir
Types of
Fire Protection Systems
Dry Standpipe System
Wet Standpipe System
Wet Standpipe System with Siamese Connection
Automatic / Sprinkler System
No longer being utilized in new
buildings, provided other systems
are employed (otherwise must
be installed in buildings 4 levels
or more)
Dry Standpipe System
is a pipe installed in buildings not as part of the water supply or waste disposal system but primarily for use as water conveyor in case of fire
standpipe
How it works: a standpipe is connected to the ____ (max ht.= ____) for connection to fire department
building exterior; 1.20M
TRUE OR FALSE: As much as possible, standpipes should be located in
stairway landings
TRUE
How it works: a standpipe is connected to the building
exterior (max ht.= 1.20M) for connection to fire department
Dry Standpipe System
How it works: a piping network (line is directly connected
to the main water line) connects to all levels of a building
(at least 1 standpipe on each level)
Wet Standpipe System
Wet standpipes shall be constructed of ____
wrought iron or
galvanized steel
The number of wet standpipes shall be determined so that all portions of the building are within ____ of a nozzle attached to a hose ____
6.00 meters ; 23 meters long
The minimum diameter for a wet standpipe is ___ for
those less than 15 meters form the fire service connection.
For those more than 15 meters from the fire service
connection, the minimum diameter is ___
51mm ; 63mm
How it works: a piping
network directly connected
to the main water line,
connects to all levels of a
building; additionally, a
_____ is located outside the building
for additional water supply
Wet Standpipe System with Siamese Connection
There are two general types of Automatic Sprinkler
Systems:
the Automatic Wet and Automatic Dry
Spacing of Sprinkler Heads: Light Hazard Occupancy
20 square meters
Spacing of Sprinkler Heads: Extra Hazard Occupancy
10 square meters
