HomeMy WebLinkAboutSDP201600038 Calculations Final Site Plan and Comps. 2016-05-31 AloomaitoCounty
Hydrant Flow Date of Report
Somme + 5/31/2016
Serving.Conserving Test Report
1689pcbaip O�doteesvaAe.VA 22911 i43t}Sr/451i p
Location parcel#32-41D5
Date and Time of Test 5/31/2016 10:20:00 AM
Minutes of Flow 2
Pipe Size(Inches) 8
Pressure Hydrant 12072
Static Pressure(psi) 102
Residual Pressure(psi) 70
Flow Hydrant#1 12073 Pitot Pressure#1(psi) 54 Test Flow 1 1027
Flow Hydrant#2 12223 Pitot Pressure#2(psi) 50 Test Flow 2 988
Flow Hydrant#3 Pitot Pressure#3(psi) Test Flow 3 0
Total Estimated Flow(gpm) 2015
Estimated Consumption(gal) 4030
AWWA Q20 Calculation(gpm) 3350
(Value of zero indicates insufficient pressure drop for calculation)
Comments
Both flow hydrants were not opened all the way because of
site conditions.
For method of calculating pitot flow with a diffuser:see eq.13,Walski and Lutes article 1990 Journal Management and Operations AWWA
(All tests conducted using 2.5 discharge outlet unless otherwise specified)
Signature of Tester:
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