hyd

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chloeko
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54323
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hyd
Updated:
2010-12-08 12:10:58
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hyd
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  1. APPARATUS OPERATION TRAINING TO
    PUMPING APPARATUS DRIVER/OPERATOR BRIDGE
  2. Field Calculations Study Guide
  3. PDP = NP + TPL
    • PDP: Pump Discharge Pressure
    • NP: Nozzle Pressure
    • Total Pressure Loss (TPL) = Friction Loss (FL) + Appliance (APP) ± Back Pressure (BP)
  4. FL = CQ2L C = Coefficient Q = GPM  100 L = Length of Hose  100
  5. NP
    • Solid Stream/Barrel Tip Nozzle (Handline) 50
    • Solid Stream/Barrel Tip Nozzle (Master Stream) 80
    • Standard Fog Nozzle 100
    • Low Pressure Fog Nozzle 50 or 75
  6. Hose Diameter GPM FL per 100' Reason for GPM
    • 1" 30 15
    • 1½" 30 2 1½" to 1"
    • 1½" 60 10 1½" wyed to 1"
    • 1½" 125 35
    • 1½" 185 80 CAFS 15/16" nozzle flowing water
    • 2½" 30 -- 2½" to 1½" to 1"
    • 2½" 125 5 2½" to 1½"
    • 2½" 200 10
    • 2½" 250 15
    • 2½" 300 20
    • 2½" 400 30 RAN @ 50 psi NP
    • 2½" 500 50 RAN @ 75 psi NP
    • 4" 1,000 20
  7. APP
    • Ladder Pipe 25 psi Deluge/Turret 25 psi
    • Dry Standpipe 25 psi FDC Sprinkler System 150 psi
    • Wye, Siamese Connection, and RAM:
    • Less than 350 gpm 0
    • 350 gpm or more 10 psi
  8. BP
    • Per floor (above ground level) or 10' upgrade +5 psi
    • Per floor (below ground level) or 10' downgrade -5 psi
  9. Smooth Bore Tip Size GPM
    • 15/16" 185
    • 1" 200
    • 1 1/8" 300
    • 1 3/8" 500
    • 1 1/2" 600
    • 1 3/4" 800
    • 2" 1,000

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