General Requirments Flashcards
ABC
Alberta building code
AFC
Alberta fire code
AHJ
Authority having jurisdiction
“Approved”
Acceptable to AHJ
“Listed”
equipment, materials, or services included in NFPA in a list published by an organization.
Engineer approvals
Required in a building
Single-family residential - not required.
valve closing time
valves shall not be able to be fully opened or closed in less than 5 seconds.
water hammer
water flow alarm devices
should result in an audible alarm within 5 minutes of sensing flow
sizing of drain pipe
when drain connections for floor control valves are tied into a common drain riser, the drain riser shall be one pipe size larger downstream of each size drain connection tying into it.
stubbing pipe through an exterior wall, where it could freeze
minimum 4ft in between drain valve and the exterior wall
Auxillary drains
For removing trapped water.
> 50gallons - 1” valve + piping
5-50 gallons - 3/4 valve no pipe
<5 gallons - 1/2” plug
“Supervisory” vs “alarm”
Supervisory sends a signal to the monitoring company
Alarm will send a signal to both the monitoring company and the fire department
A local water flow alarm must be installed on every sprinkler system having more than __ sprinklers
20 sprinklers
Paddle-type water flow alarms should only be installed on what type of systems?
Only on wet pipe systems
wet pipe sprinkler system installations shall be tested with a ____ test
hydrostatic test