# PumpBasics

 1 3/4 Hose Friction Loss 10 per hundred ft at 100 PSI25 per hundred ft at 150 PSI40 per hundred ft at 200 PSI 2 1/2 Hose Friction Loss Calculation 150 to <350 GPMSubract 100 and drop the last digit300 GPM=20 PSI per hundred ft >350 GPMdivide to get below 350as abovemultiply by square of divider 4 inch Hose Fricition Loss (per 100') Times 2, minus 4from 300 to 800 GPM (2-12 PSI)900=151000=201100=251250=311500=45 5 inch Host Friction Loss (per 100') 0 if below 600 GPM600=2800=3900=41000=51250=81500=11 Appliance Friction Loss 25 PSI +/- elevation for: Monitor and Standpipe In hose assembly< 350 GPM= 10 PSI>350 GPM=25 (Master Streams) Sprinkler System Pumping 150 PSI at the FDC Elevation gain/loss +/- 5 PSI per story (10 ft) Forestry Packs 100 PSI + 10 PSI per 100 ft @ 30 GPM Ladder Pipe Pump Pressure 185 PSI at the base for fully extended aerial715 - has Distributor to 5' Tiller has option for 1 or 2 supply Ground Monitor Pump Pressure 105 for Monitor (80 at the tip plus 25 appliance)20 FL @ 800 GPM in 50 ft 2 1/2125 + FL in the 4 inch supply (110, 115, 125=500, 600, 800) Constant Q x10, x2, /5, /20 (Factors)1 3/4, 2 1/2, 4, 5 (Hose Diameter) Calcuations per 100 ft of hoseFL=CQsquaredLC=factors as aboveQ=GPML=LengthQ/100 and L/100 TSM20 with 1 3/4 preconnect 100 PSI Tip 120 PSI at panel for 100 GPM145 PSI for 150 GPM (default)180 PSI for 200 GPM TSM 20 with Apt Bundle (150 ft) 115 PSI for 100 GPM135 PSI for 150 GPM (default)160 PSI for 200 GPM TSM 30 preconnect (200 ft) 140 PSI at 300 GPM Blitz line with 2 apt bundle (150 GPM ea.=300 GPM) 175 PSI (135 + 40) at 150 GPM (170) Blizt Line with 1 Apt Bundle (150 GPM) 145 PSI (135 + 10) at 150 GPM (140) 100 ft 2 1/2 with 1 1/4 tip 200 ft of same 72 PSI (50 + 22) at 326 GPM94 PSI (50 +44) Handline solid bore tip sizes and GPM (50 PSI) 1/2=535/8=813/4=1187/8=1611=2091 1/8=2651 1/4=326 Master Stream solid bore tip sizes and GPM (80 PSI) 1 3/8=5001 1/2=6001 3/4=8002=1000 Engine Pumper specs 500 GPM from the Tank (500 Gallon tank)1500 GPM pumper at 150 PSI and 10 ft draft1050 GPM at 200 PSI (70 %)750 GPM at 250 PSI (50 %) Tender Pumper specs 1000 GPM from the tank (2 Tanks Discharge valves)1500 Gallon tank1250 GPM pumper at 150 PSI Relay Pumping Start at 100 PSIFL+20 is min Blitzfire Fog- 150 PSI =300 GPM200 PSI for 200' 2 1/2 at 450 GPMSolid- 180 PSI for 200' 2 1/2 at 500 GPM SeaTac Quantums Tank Volume:  675 Gallons4" tank to pump for 750 GPM flow2000 GPM at 150 PSI in Volume1400 at 200 1000 at 25030 and 20 Gallon foam tanks New Hose loads (Kent) 1000' 4" supply400' 2 1/2 with 75 bundled Authordfrazier ID150418 Card SetPumpBasics DescriptionBasic Expected Knowledge for Pump Operations in the Kent Fire Department Updated2014-10-03T03:45:47Z Show Answers