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Directive 218 Fireground Hydraulics
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P.S.I for Preconnect 1
121 P.S.I
P.S.I for Preconnect 2
128 P.S.I
P.S.I for 2 1/2 Preconnect
125 P.S.I
GPM for 2 1/2 Preconnect
250 GPM
GPM for 15/16 Smooth Bore
180 GPM
GPM for 1 3/4 Hand lines
95 GPM
Amount of Supply LDH carried on SCFD Engines that use LDH as main supply lines
1200 feet
Amount of 3 inch hose carried by SCFD Engines that use LDH as main supply line
Minimum of 400 feet
Length of supply line laid down that requires a relay pumper to be put in place
500 Feet
What is the Pump Discharge Pressure formula?
EP = NP + FL +/-APP + ELEV
Booster Line GPM
65 GPM
Booster Line Pump Pressure?
180 PSI
2 1/2 inch Stack Tip sizes and GPM?
1 inch - 200 GPM
1 1/8 inch - 250 GPM
1 1/4 inch - 300 GPM
Maximum and minimum lengths on 1 3/4 hose?
minimum - 150 feet
maximum - 300 feet
Colors of preconnects?
Preconnect 1 - Red
Preconnect 2 - Yellow
2 1/2 Preconnect - Orange
Boosterlines can be used for?
overhaul only
All attack lines are loaded with a?
Triple Layer Load
PSI for fog nozzles and smooth bore handlines, and smooth bore master streams?
Fog Nozzle - 100 PSI
Smooth Bore Handline - 50 PSI
Smooth Bore Master Stream - 80 PSI
Supplying a circular sprinkler connection must have a pump discharge pressure of?
150 PSI
How shall all valves be opened and why?
slowly, and to avoid water hammer
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Author
SCFD
ID
322274
Card Set
Directive 218 Fireground Hydraulics
Description
Fireground Hydraulics
Updated
2016-08-06T23:12:49Z
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