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HARLAR, LLC
Structural Design 1437 Glenneyre Sheet, Laguna Beach, CA 92651 Ph. (949) 497-5203 Email: harlar2001@aol.com
Tom and Stancie Foss
518 Aliso Avenue
Newport Beach, Ca
Desien Criteria
Based on 2016 California Building Code & 2015 International Buidling Code ASCE 7-10
Timber: (Grade ver W WPA Gradin¢ Rules, Douglas Fir -Larch
4x and Less
#1 fb = 1000 Psi
BUILDING DIVISION
APA 2 4 2019
Or &E,C
WEIGHT LOADING ANALYSIS
PEAK POWER SOLUTION 4/21/2019
Solar Electric Installation
Address: 518 Aliso Avenue NEWPORT BEACH CA 92663
Customer: FOSS
Roof Information
Roof Slope
23
Roof Material
Comp Shingles
Rafters Material
Wood
Rafter Size
2X6 48 OC
Rafter Span
9 FT
Rail Span
48 I N
Analysis of dead load weight added to roof by solar array
module model
VBHN 330
module weight
40.12 LB
# of modules
16
weight of mods
641.92 LB
# of inverters
16
weight of inverters
52.80 LB
TOTAL
694.72 LB
post weight
1.50 LB
# of posts
28
rail weight
6.81 LB
# of rails
8
mid, end & splice
5.60 LB
WEIGHT OF RACKING
102.08 LB
ARRAY WEIGHT 796.80 LB
module area 18.60 SQFT
ARRAY AREA _ 297.6 SCIFT
DISTRIBUTED WEIGHT / SQFT 2.68
DISTRIBUTED WEIGHT/POST 28.46
Tom and Stancie Foss
Solar Panel
Solar Panels - 1.0
Solar Attachment Force Per
Components and Cladding Wind Loads (Simplified Method per Section 30.5 ASCE 7-10)
Address:
Risk Category:
Basic Wind Speed:
Exposure Category:
Topographic Factor:
Roof Zone:
Roof Pitch:
Effective Wind Area:
Wind Pressure:
Adjustment for Building:.
Adjusted Wind Pressure:
Area of Panel:
Number of Panels:
Number of Attachments:
Uplift Force per Attachment:
518 Aliso Avenue, Newport Beach , CA
II
110
C
Kat= 1.0
Zone 2
>7°to 27
20 SF
PNet,so = -31.9 psf
2, =F-1.21
PNet = 0.6.1 •PNet,3o = 23.2 psf
18:6 Ift2
8
14
246 Ib
Use (1)-5/16"4D x 3 in thread embedment
5/1670 Withdrawl Design Value:
Number of Bolts:
Minimum Thread Penetration:
Allowable Withdrawl per Attachment:
>>> See Table 10.3.1 NDS for all applicable adjustment factors
Existing Roof Dead Load:
Existing Roof Area:
Existing Roof Total Weight:
Total Weight of Proposed Solar Array:
Solar Panel Weight:
W =
266 lb/in
n
I1
d=
3 in
Wn•d=
798 lb
(Table 1.5-1)
(Figure 26.5-1A)
(Section 26.7)
(Figure 26.8-1)
(Figure 30.5. 1)
(Figure 30.5-1)
(Figure 30.5-1)
(Equation 30.5-1)
from Weight Loading Analysis
(NDS Table 11.2A)
Satisfied
20 psf
736 ft
14720 lb
716.56 lb from Weight Loading Analysis
4.87% Neglect Seismic Impact
Checldng Roof Truss: (2x6 at 24" o/c) - [AR -011
Dead Load + Solar: DL + Solar = 36 plf
Dead Load + Live Load: DL + LL = 62 plf
8 Panels - 14 Attachments: P = 246lb
Max Moment: M= 414 lb • ft from Risa-2D Analysis
Required Section Modulus: SR = 3.105 ins < S2z6 = 7.563 in'
Roof Framing Adequate to Support Proposed Solar Panel Array
Tom and Stancie Foss
Solar Panels - 2.0
Solar Panel
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