Directive 218 Fireground Hydraulics

  1. P.S.I for Preconnect 1
    121 P.S.I
  2. P.S.I for Preconnect 2
    128 P.S.I
  3. P.S.I for 2 1/2 Preconnect
    125 P.S.I
  4. GPM for 2 1/2 Preconnect
    250 GPM
  5. GPM for 15/16 Smooth Bore
    180 GPM
  6. GPM for 1 3/4 Hand lines
    95 GPM
  7. Amount of Supply LDH carried on SCFD Engines that use LDH as main supply lines
    1200 feet
  8. Amount of 3 inch hose carried by SCFD Engines that use LDH as main supply line
    Minimum of 400 feet
  9. Length of supply line laid down that requires a relay pumper to be put in place
    500 Feet
  10. What is the Pump Discharge Pressure formula?
    EP = NP + FL +/-APP + ELEV
  11. Booster Line GPM
    65 GPM
  12. Booster Line Pump Pressure?
    180 PSI
  13. 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
  14. Maximum and minimum lengths on 1 3/4 hose?
    • minimum - 150 feet
    • maximum - 300 feet
  15. Colors of preconnects?
    • Preconnect 1 - Red
    • Preconnect 2 - Yellow
    • 2 1/2 Preconnect - Orange
  16. Boosterlines can be used for?
    overhaul only
  17. All attack lines are loaded with a?
    Triple Layer Load
  18. 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
  19. Supplying a circular sprinkler connection must have a pump discharge pressure of?
    150 PSI
  20. How shall all valves be opened and why?
    slowly, and to avoid water hammer
Author
SCFD
ID
322274
Card Set
Directive 218 Fireground Hydraulics
Description
Fireground Hydraulics
Updated