topic 12: fire protection systems Flashcards
2 supplying water for fire protection systems
- elevated water tank
- underground water reservoir
What are the 4 types of fire protection systems?
- dry standpipe system
- wet standpipe system
- wet standpipe system with siamese connection
- automatic/sprinkler system
____ is no longer being utilized in new buildings, provided other systems are employed (otherwise must be installed in buildings 4 levels or more).
dry stanpipe system
The ____ is a pipe installed in buildings not as part of the water supply or waste dispisal system but primarily for use as water conveyor in case of fire.
standpipe
The _____ works: a standpipe is connected to the building exterior (max ht.= 1.20 m) for connection to fire department.
dry standpipe system
As much as possible, dry standpipes shoudl be located in _____.
stairway landings
The _____ works: a piping network (line is directly connected to the main water line) connects to all levels of a building (at least 1 standpipe in each level).
wet standpipe system
Wet standpipes shall be constructed of ____ or ____.
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 _____ long.
6.00 m, 23 m
The minimum diameter for a wet standpipe is ___ for those less than 15 meters from the fire service connection.
51 mm
The minimum diameter for a wet standpipe is ____ for those more than 15 meters from the fire service connection.
63 mm
The _____ works: a piping network directly connected to the main water line, connects to all levels of a building.
wet standpipe system with siamese connection
A ____ is located outside the building for additional water supply.
Siamese connection
What are the 2 general types of automatic sprinkler systems?
- automatic wet
- automatic dry
The spacing of sprinkler heads with light hazard occupancy is ____.
20 sq.m.
