820173_Application - Irrigation Design Mod._20210316 (3)

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Sheet7 (3)
CALCULATIONS
Pivot/Linear Specifications Pivot 1 (Existing)
Pivot/Linear Type:
Zimmatic Center Pivot (8500P)
Machine Length:
574.08 (feet) End Gun Radius: 120 (feet)
Base Pressure:
50 psi Pipe Diameter: 6 (inches)
Flowrate(GPM):
450 gpm
Wetted Length:
694.08 feet
Application Rate
See Manufacturers Specifications Sheet
Travel Speed
See Manufacturers Specifications Sheet
Mainline Veloci
Velocity = .408 x Flowrate / pipe diameter squared feet/sec.**
**For buried pipelines, velocity should be below 5 feet per second
Pipe size: inches
Velocity= #DIV/0! ft/sec.
Maximum Mainline Friction Loss
Most distant hydrant:
Total distance: feet
Friction Loss is figured using Hazen/William's Equation
Friction Loss= #DIV/01 feet/100 feet
Max. Mainline Loss = #DIV/0! feet or #DIV/0! psi
Maximum Machine Friction Loss
Friction Loss is figured using Hazen/William's Equation
Friction Loss= 1.47 feet/100 feet
Max. Mainline Loss = 8.5 feet or
3.7 psi
Page 1

Sheet? (4)
CALCULATIONS
Pivot/Linear Specifications Pivot 2 (Add t.)
Pivot/Linear Type: Zimmatic Center Pivot (8500P)
Machine Length: 607.58 (feet) End Gun Radius: 120 (feet)
Base Pressure: 37.6 psi Pipe Diameter: 6 (inches)
Flowrate(GPM): 305 gpm
Wetted Length: 727.58 feet
Application Rate
See Manufacturers Specifications Sheet
Travel Speed
See Manufacturers Specifications Sheet
Mainline Veloci
Velocity = .408 x Flowrate / pipe diameter squared feet/sec.**
**For buried pipelines, velocity should be below 5 feet per second
Pipe size: inches
Velocity= #DIV/0! fUsec.
Maximum Mainline Friction Loss
Most distant hydrant:
Total distance: feet
Friction Loss is figured using Hazen/William's Equation
Friction Loss= #DIV/01 feet/100 feet
Max. Mainline Loss = #DIV/0! feet or #DIV/0! psi
Maximum Machine Friction Loss
Friction Loss is figured using Hazen/William's Equation
Friction Loss= 0.72 feet/100 feet
Max. Mainline Loss = 4.4 feet or
1.9 psi
Page 1

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Technical Summary & Underground Data
ZIMI MATIC- Prepared For
DUALITY
r BY LINDSAY Brenda Tyndall EQUIPMENT
Pivot Summary
Pivot Center Type:
Span Type:
Span Breakdown:
Overhang:
_
End Gun:
Wheel Sets:
Compact
8500 Galvanized
Three (3) spans 6 - 5/8" X
201'
No Overhang Package,
Cap & Sign, 6-518"
Kornai 101 Ultra
Three (3) 14.9 x 24, New
(Lindsay), w/o Tube, 8" Rim
Number of Spans:
3
Outlet Count (Joints
Included):
84
System Length:
607.58 it
727.58 ft
18.30 acres
Wetted Length:
Wetted Area:
End Gun Wetted Area:
5.10 acres
Total Wetted Area:
18.30 acres
Operating
Operating Hours Per
Year:
Costs
700 hours
Energy Type:
Fuel
Fuel Type:
None
Fuel Cost:
$3.50
Electricity
$0.00
Design Data
Application
Peak Daily E.T.:
Rates
1I
0.500 in/day
Total Pump Req. Flow Rate:
221.7 gpm
Pump Flow Per Acre/Hectare:
12.11 gpm per acre
Max Application Rate:
1.463 in/day
Basis For Calculations:
ApplicationRate
Application Efficiency:
85.0 %
Irrigated Hours Per Day:
22 hours
Positions Irrigated:
1
Degree of Sweep
Endgun Throw:
Endgun Percent On:
PreSSUre Inputs
Base Pressure:
Pressure at Top of Pivot
Point:
Required End Pressure:
180 degrees
120.00fl
7
88.44 %
37.2 psi
31.6 psi
30.0 psi
Elevation Change:
0.00 fl
Hazen Williams C-Factor:
140
Voltage
Voltage / Hertz:
480 Volts / 80 Hz
Starting Voltage:
480.0 Vohs
QUALITY EQUIPMENT, LLC
504 Faison Hwy.
Clinton, 28328
Office: 910-592-6569; (2): 910-260-0607
Confidential [e-mail]
www.a ualitveaui taxom
System Calculations
Flow Rate
Pump Flow Per Acre/Hectare: 12.11 gpm per acre
Total Pump Req. Flow Rate: 231.6 gpm
Endgun Flow Rate: 70.1 gpm
Pump Water Horsepower:
8.5 hp
Generator Horsepower:
4.6 hp
Generator KW:
2.9 hp
Total Required Horsepower:
13.1 hp
PreSSUre
Span Pipe Friction Loss:
0.7 psi
Total System Friction Loss:
0.7 psi
Time to complete @ 100%:
2.28 hours
VoltagelCurrent
Starting Voltage: 480.0 Vohs
Voltage Drop:
9.7 Vohs
End Voltage:
470.3 Volts
Total Rated Panel Amps:
4.4 amps
Total System Amps:
4.4 amps
12/14/2020
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