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INSTALLATION NOTE:
CONTRACTOR TO RUN (2) ADDITIONAL
CONTROL WIRE AND (1) COMMON WIRE
(LABELED) FROM CONTROLLER W TO
THIS LOCATION AND PROVIDE 36" LOOP
WITHIN AN APPROVED VALVE BOX
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PRESSURE LOSS CALCULATIONS
CHK
VALVE #
A/18
GPM
10.0
WATER METER (1 1/2")
0.8
GATE VALVES (2")
1.5
BACKFLOW PREVENTER
12.0
FLOW METER
1.2
MASTER VALVE (2")
1.2
VALVE
1.2
MAINLINE (2760'@ 2" LOOP)
4.62
LATERAL LINE
1.0
ELEVATION CHANGE (UP GRADE +28')
+12.2
FITTING LOSS
3.6
TOTAL PRESSURE LOSS
39.32
MINIMUM OPERATING PRESSURE
30
DESIGN PRESSURE REQUIRED
69.32
AVAILABLE PRESSURE (P.O.C.)
85
RESIDUAL PRESSURE REMAINING
+15.68
3�1" 15.1
2540 S.F.
IRRIGATION DESIGN CRITERIA -'A' &'B'
Name of Water Supplier: West Valley Water District 2-21-12
Pressure Given By : Tracy @ Engineering (909) 875-1804
HIGH - 88 PSI LOW - 85 PSI
ZONE 7
HIGHEST ELEVATION ON THIS SYSTEM 129.8 72.7 PSI
LOWEST ELEVATION ON THIS SYSTEM 84.1 92.5 PSI
WATER METER ELEVATION = 101.4 85.0 PSI
Contractor shall verify the static water pressure with supplier
prior to installation. If different from PSI noted above, Contractor
to notify Owner for instructions. Failure to do so will result
in contractor being responsible for changes that might occur.
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DATE 3/1/12
JOB #
11-021
OF 14