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HomeMy WebLinkAboutWATER & WASTE PIPE CALCS - 23-00170 - Rexburg 10 Ward LDS MeetinghouseJOB:___________________________________________ JOB #: ______________________Rexburg 10 Ward JOB #: ______________________22169 Fixture Quantity Untis/Fix Total Pipe Sizes GPM Cold Water Hot Water Water closet 19 5.5 104.5 1/2" 2 2 2 Urinal 6 5 30 3/4" 6 8 8 Lavatory 13 1 13 1" 12 14 14 Sinks 6 2 12 1-1/4"24 38 38 Service sinks 2 3 6 1-1/2" 36 60 Fountains 4 0.5 2 2"76 200+ Shower heads 0 2-1/2" Kitchen sinks 0 3" 4" 6" 8" Water meter size: __________________________1-1/2" 200 50 12 167.5 15 57 7 300 [(P - .43H - F - M) x 100 ] P -.43H -F -M x 100 = /EL = 50 5.16 15 7 300 7.61333333 WATER PIPE SIZING CALCULATIONS H = Height of highest fixture above street main (in feet) Total pipe length from pressure reducing station to farthest fixture P = Pressure in street main (in psig). F = Pressure at fixture EL = Equivalent pipe length (Length x 1.5) Formula for friction loss per 100 foot length of pipe: EL Total number of fixture units Probable GPM from curve M = Presure loss at meter Fixture Quantity Units/Fix. Total Size Units Length Water closet 19 4 76 Urinal 6 2 12 Lavatory 13 1 13 1-1/2" 1 Unlimited Sinks 6 3 18 2" 8 Unlimited Service sinks 2 3 6 3" 35 Unlimited Fountains 4 0.5 2 4" 246 Unlimited Shower heads 1+1/head 6" 720 Unlimited Single shower 2 0 Kitchen sinks 2 0 2" floor drains 9 2 18 4" 172 Unlimited Floor sinks 1 2 2 6" 576 Unlimited 0 8" 2112 Unlimited 0 0 0 1-1/2" 8 20 2" 24 40 147 3" 84 70 Required size of main line from building 4" 4" 256 100 NA NA NA NA NA NA NA Total length of waste line: __________ Total drop in elevation: ________ Fixture counts Waste Piping @ 1/4" Slope Waste Piping @ 1/8" Slope Horizontal Vent Piping JOB:___________________________________________________________ WASTE PIPE SIZING Waste and Vent Pipe Sizing Actual invert elevation of city sewer system at point of connection . . . . . . . . . . . . . . . . . . . . = Sewage ejector to be installed for basement fixtures. Exiting 4” main to remain for main level and upper level fixtures. Total fixture units Finished floor elevation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . = Invert elevation of farthest fixture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . = Total length of piping in building. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . = Invert elevation of pipe leaving building (Drop @ 1/4"/ft_____ @ 1/8"/ft _____ ). . . . . . . . . = Length from building to sewer connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . = Invert elevation of piping at sewer connection (Drop @ 1/4"/ft_____ @ 1/8"/ft _____ ) . . . =