Website Copy of MT SOLAR PROJECT CALCULATOR
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WEBSITE COPY MT SOLAR CALCULATOR
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TO EDIT: click File/Make a copy...(Recommended)
OR: click File/Download as > Microsoft Excel
This is an open source project and for project estimation only. Please email travis@mtsolar.us with any comments.
Any and all liablitiy resides with the user. Thank you for playing fair!
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SITE VARIABLESPROJECT INFORMATIONDATE:12/13/2018
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Module Size60 CellDim 65in. x 40in.Customer:
John Doe and Jane Dont
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Pole Mount ModelTOP-12Project Name:
The Doe and Dont's Project
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Desired Tilt Angle in Degrees60Project Address:
25mi. up Awesome Mtn. Rd., Last Right
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Wind Speed105VCity/State/ZIP:
RemoteTown, USA
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Exposure CategoryBSolar Module:
Solar World Model XXXXX
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Ground Clearance front edge of array (ft.)7.0Solar Module Color:Black FrameMM40
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Snow Load (PSF)30
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Foundation Size Desired (ft.)2.0ROUND
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Site Soil Classification Code4
Sand, Silty Sand
NOT TO SCALE
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Number of Poles1
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Support Pole Size8" Sch 80AUTO CALC13.3 ft
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Mount Duty Classification (Pivot Pipe)STD 40Defining LoadWIND
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Single Pole Spin Prevention Bolts NeededNONE
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Foundation Depth Required (ft.)10.30
Ft. DEEP
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Pole Height Above Grade12.76Ft.
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WIND FORCE CALCULATIONS
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Array N/S Dimensions (ft.)13.30ft12.8 ft
Tilt 60 Degrees
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Array E/W Dimensions (ft.)16.20ftB8" Sch 807 ft
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Total Square Feet of Array215.46sq/ft
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Tilt Angle in Radians 1.05
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Effective Vert Dimension at Tilt Angle (ft.)11.52fts
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Effective Horizontal Dimension at Tilt Angle (ft.)
6.65ft Concrete Required
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Effective Squ Ft. at Tilt Angle186.59sq/ftAs Total for 1 Pole(s)
10.3 ft deep
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Total Array Height at Tilt Including Clearance (ft.)
18.52fth 1.04 cu. yards.
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Simple Wind PSF 28.22psfreduced by 0.15yd. for pole(s)
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Simple Wind Force Total 5,266.42lb/ft
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Height/Exposure Coefficient ASCE 7-10 29.3-1
0.62Kz
2 ft
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Terrain Coefficient1.00Kzt
ROUND
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Wind Directionality Factor ASCE 7-10 26.6-1
0.85Kd
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Wind Force PSF (Qz)14.87lb/ftQz
FOUNDATION DEPTH CALCULATIONS
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Gust Factor ASCE 7-10 26.9.10.85GForce Per Pole ( at Top of Pole)3,892.5lbs.Pe
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Ratio s/h0.62
Chart Row 0.51
Pole Height Above Grade12.8ftH
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Ratio B/s1.41
Chart Column 1
Site Soil Lateral Bearing Capacity300psfPba
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Force Coefficient Cf ASCE 7-10 29.4-11.65CfSite Soil Vertical Bearing Capacity2,000psf
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Effective Wind Load PSF20.86Vertical Bearing Area of Hole3.14
squ. ft.
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Effective Wind Total Force on Array (Case A)
3,892.51FMax Vertical Bearing Capacity6,280lbs.
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Offset Wind Loading Force (Case B)12.61
ft-kips
Hole Dimension2.00ft.b
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Effective Wind Total Force Per Pole (Case A)
3,892.5Allowable Lateral Soil Pressure2,060.00S1
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Snow Load Total Vertical Force on Array (lbs.)
3,231.9Variable2.21A
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Snow Load Total Vertical per Pole (lbs.)3,231.9Foundation Depth Required (ft.)10.3ft.L
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Copyright 2017 MT Solar LLC, All Rights Reserved.
Calculations based on ASCE 7-10 and IBC 2012
All information for project estimation purposes only. Please play fair!
Built by Travis Jordan, travis@mtsolar.us, 406-206-5105
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