Sewer flow Peak Factors

[Balebeng]

Hello all,
I am designing a pump station for a small mining housing unit with 50 plots. I am getting a peak factor of 11 using the Legg formula but this peak will last for an hour or two. I need help with calculating the AVERAGE PEAK FACTOR

 

[bimr]

Maybe this will help you:

http://12.43.67.2/commission/jcar/admincode/035/03500370ZZ9996dR.html

 

[JasonG]

Here are a couple of more references:

http://www.michigan.gov/deq/0,1607,7-135-3313_44117-163660--,00.html

also, go here:

http://nepis.epa.gov/Exe/ZyNET.EXE?...nonymous&Password=anonymous&Client=EPA&Init=1

and search for 625r92005

Good luck