820173_Application - Irrigation Design Mod._20210316 (2)

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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/0! 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! 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= 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
ZIMMATIC M Prepared For:
EQUALITY
C EQUIPMENT
BY LINDSAY Brenda Tyndall
System Name: half circle
Pivot Summary Desian Data System Calculations
Pivot Center Type
Span Type:
Span Breakdown:
Overhang:
End Gun:
Wheel Sets:
Number of Spans:
Outlet Count Qoints
included):
System Length:
Wetted Length:
Wetted Area:
. End Gun Wetted Area:
Total Wetted Area:
Energy Type:
Fuel Type:
Fuel Cost:
Electricity
Compact
8500 Galvanized
Three (3) spans I
Komet 101 Ultra
Three (3) 14.9 z 24, Ne
(Lindsav). w/o Tube. 8"
1
84
607.58 ft
727.58 If
18.30 acres
5.10 acres
18.30 acres
700 hours
Fuel
None
$3.50
$0.00
Peak Daily E.T.:
0.500 in/day
j
Total Pump Req. Flow Rate:
_
221.7 gpm
Pum1.
p 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
180 degrees
Endgun Throw: 120.00 It
Endgun Percent On: 1 88.44
Base Pressure:
37.2 psi
Pressure at Top of Pivot
31.6 psi
Point
30.0 psi
0.00 It
Required End Pressure:
Elevation Change:
Hazen Williams C-Factor:
140
Voltage I Hertz: 480 Volts / 60 Hz
Staffing Voltage: 480.0 Volts
QUALITY EQUIPMENT, LLC
504 Faison Hwy.
Clinton, 28328
Confidential Office: 910-592-5559; (2): 910-260-0607
[e-mail]
www.a ual itvenuin.com
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
Span Pipe Friction Loss:
0.7 psi
Total System Friction Loss: 0.7 psi
Time to complete @ 100%: 2.28 hours
Starting Voltage:
480.0 Volts
Voltage Drop:
9.7 Volts
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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