Fire Department Connections Flashcards
potable water/underground
brass, stainless steel or copper
Most popular type of tank
pressure tank
manual standpipes
FDC connection is the primary source for water
FDC distance
fire department connection to the hydrant is
not more than 150’ (45 m) and is unobstructed. Interprovincial this is
100’
The fire department connection should be located no closer than 10’
(3 m) and no further than 50’ (15 m) from the principal entrance to
the building.
not require a fire department connection
remote area from fire department access
large capacity deluge systems
single story < 2000 sq ft
NFPA 13D FDC
not required - discretion of the owner
NFPA 13R FDC
> 2000 sq ft - FDC required
minimum 1 1/2” inch
shall have signs indicating type.
size
minimum 4” fire engine connection
minimum 6” for fire boat connections
hydraulically calculated - can be < 4” but not less than the riser
FDC connection
wet(1 system) - anywhere on system side of the alarm valve
dry - between control valve and dry pipe
multiple - before all control valves
deluge- after deluge valve
pre-action - between pre-action valve and check valve
FDC check valve
minimum 4 ft from exterior wall.
Marine systems
• Fire Department Connections and International Shore
Connections are required
• Connections between ships – fire boats
• Connections from shore facility to ship
• Connections shall be located near the gangway or other shore
access point so that they are accessible to the land-based fire
department
• Minimum 6” piping
Recommendations
• Generally required to install the standpipe and FDC connection
early in the construction phase
• thread by groove spool piece – make it long and cut it once
finishes are determined
• Proper support
• Pay attention to obstructions, distances and grades