HomeMy WebLinkAbout130212_Brookyn Center High School 301 York Ave.
�� �� ST. PAUL, MN 55130
PHONE: (651) 558-3300
OMATIC SPRINKLER CO.
77wo� FAX: (651) 558-3310
HYDRANT FLOW TEST RESULTS
TIME OF TEST: 1:00 PM JOB: BROOKLYN CENTER HIGH SCHOOL
DATE: 2/12/13 TAKEN BY: DALE LIPOVSKY of Viking Automatic Sprinkler
WITNESS: MARK HARTFIEL City of Brooklyn Center
HYD.# NO.OF OPENINGS PITOT TUBE GALLONS PER MIN. STATIC PRESSURE RESIDUAL PRESSURE
0
1-2-1/2"
2-2-1/2"
1-4-1/2"or 5 35 psi 2670 gpm 70 psi 65 psi
GALLONS PER MIN. COEFFICIENT
UNDERGROUND SIZE: 6"
2
Q=29.84cd1P-2'/2' DEAD END/CIRCULATING: CIRCULATING
z
Q=(29.84)(c)(d) P(PO)-4'/�'@ UP OPENING ON HYDRANT: 4'/s"
Pumper Outlet Coefficients(PO) 0.90
0
Pitot Pressure NORTH
psi bar Coefficient
2 0.14 0.97
3 0.21 0.92
4 0.28 0.89
5 0.35 0.86
6 0.41 0.84
7 and over 0.48 0.83
SKETCH:
I
wAtm MAIN
NEW. WA7 S'
WA1ER MAINyz
.9 Z
jl
I _ WATER MAIN
MTOT pRE89URE-76 pN STATIC PRESSURE 70 pN
FLOOM-2570 qpm RESIDUAL PRE mw-a W
r t
o is