Journeyman Plumbing Latest Update Graded A+

Journeyman Plumbing Latest Update Graded A+ Travel The Distance from the initial offset to the second fitting Advance Distance parallel to the pipes between the offset fittings Offset Distance the pipe is offset from original position to new position Rolling offsets formula Travel = Rise x 2 = Spread x 2 What are the three ways water is present? Solid - Ice Liquid - Water Gas - Steam Pressure formula? Pressure= Head x .434 Head Formula? Head = Pressure x 2.3 Calculate the travel of 45 degree offset with a rise of 8" and a spread of 20" Travel = 21.54 x 1.414 = 30.45 Answer = 30 1/2" Pressure is 60 psi, you must run a water service to a house built on a 30 foot rise. What is going to be the pressure at the house? Pressure = Head x .434 30 x .434 = 13.02 loss ( Uphill ) 60 - 13 = 47 Answer = 47 psi Volume of a pipe formula? .0408 x D^2 x L Calculate the volume of a tank ( pipe ) 20 feet in height, with a diameter of 48" Answer = 434,294,78 cu inches * when we have cubic inches, must multiply volume by 231 (1880.06 gallons x 231) Calculate 1 1/2" pipe with an advance of 48" Answer = 64 7/8 " Travel = 1.414 x advance 1.414 x 48 = 67 7/8 " Minus 3 ( 1 1/2 for both fittings ) = 64 7/8" Payment formula? Payment = Base x Rate Rate formula? Rate = Payment divided by Base You estimated a job at $2195, you need $900 upfront, what is the percent you collect upfront? Answer = 41% Rate = 900 divided by 2195 = 41% When calculating offsets, what must be given? Offset(Base) and Advance(altitude) When can you use PVC schedule 40 water pipe