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<br />2017-4316 Quick Solar Systems Daniel Dugan 20299 Residence Date: November 4, 20172017-4316 Quick Solar Systems Daniel Dugan 20299 Residence Date: January 31, 2018
<br /> 9924 Universal Boulevard #224- 406 Orlando, FL 32819 Tel:1.310.464.1804
<br /> Email: loydwmartin@gmail.com www.loydwmartin.com
<br />Loyd W. Martin Professional Engineer, Inc.
<br />2017-4316 Quick Solar Systems Daniel Dugan 20299 Residence Date: May 22, 20182018-1630 Solar Energy 911 Ramon Puga Residence . Date: June 1, 20182018-1746 Sunrise Solar Design Ceasar Vazquez Residence Date: June 14, 20182018-1746 Sunrise Solar Design Ceasar Vazquez Residence Date: January 10, 2019 2019-101 Grid Alt IE Elizabeth Najar Residence Date: January 11, 20192019-101 Grid Alt IE Elizabeth Najar Residence Date: January 11, 20192019-125 ESD 18-798 Diebolt Residence Date: January 15, 2019 2019-126 SunDollar Solar Ted Matzen Residence Date: January 15, 20192019-126 SunDollar Solar Ted Matzen Residence Date: February 5, 20192019-319 EDiaz Designs Jempson Residence Date: February 6, 20192019-434 SunGrade Solar Scott Edmunds 37925 Residence Date: February 18, 20192019-445 Solar Journey Gary Atkins Residence Date: February 19, 20192019-724 Top View Solar William Arita Residence Date: March 14, 20192019-724 Top View Solar William Arita Residence Date: June 7, 20192019-724 Top View Solar William Arita Residence Date: June 7, 2019 2019-1882 New Power Breana Larock Residence Date: June 18, 20192019-1960 Solar Journey Ghufran Syed Residence Date: June 22, 20192019-1959 Solar Journey Tricia Craig O Connell Residence Date: June 22, 20192019-1959 Solar Journey Tricia Craig O Connell Residence Date: June 22, 20192019-2666 Hooked On Solar Highlands of Marin - BLDG 1 Date: August 19, 20192019-2666 Hooked On Solar Highlands of Marin - 1051 Date: August 21, 20192019-2666 Hooked On Solar Highlands of Marin - 1025 Date: August 21, 20192019-2721 Hooked on Solar Highland of Marin - 1025 Date: August 21, 20192019-2766 Sunrise Solar Design Teressa Gomez Date: August 22, 20192019-2951 Sunrise Solar Design Marcelino Residence Date: September 5, 20192019-2952 Sunrise Solar Design Quintero Residence Date: September 5, 20192019-3072 Univercity Solar Jessica Bousky Residence Date: September 16, 20192019-3162 First PV Kung Residence Date: September 23, 2019 2019-4642 NRG Clean Power Venkitachalam Residence Date: December 24, 20192019-4627 Sasha Intl Cory Strader Residence Date: December 24, 20192020-016 ilum Solar Shaun Rodriguez Residence Date: January 3, 20202020-012 Penguin Solar Deandre Johnson Residence Date: January 3, 20202020-024 Solar Journey Jeff Lin Residence Date: January 7, 20202020-024 Solar Journey Jeff Lin Residence Date: January 7, 20202020-025 Sasha Intl Matt English Residence Date: January 7, 20202020-026 Sasha Intl Tracy Ladd Project Date: January 7, 2020 2020-081 SolarTech Jonathan Peace Residence Date: January 13, 20202020-079 SolarTech Meraj Asari Residence Date: January 13, 20202020-077 Grid Alt IE Samuel Edmond Residence Date: January 13, 20202020-077 Grid Alt IE Cynthia Robinson Residence Date: January 13, 20202020-236 SolarTech J Ngo Residence Date: January 29, 2020 2020-278 Penguin Solar Lyle Short Residence Date: February 3, 20202020-278 Penguin Solar Lyle Short Residence Date: February 3, 20202020-278 Penguin Solar Lyle Short Residence Date: March 11, 20202020-278 Penguin Solar Lyle Short Residence Date: March 11, 2020
<br />qh
<br />Check attachment of Support to Existing Structure for Wind Uplift - Cont'd
<br />Tributary Area to Each Solar Mount = 6 ft. x 2.55 ft. = 15.3 sq. ft. ( Max )
<br />Calculate Design Wind Pressure at each support (Wind Speed 130 mph Exposure C):
<br />Eq'n 29.4-7 ASCE 7-16
<br />Kz = velocity pressure coefficient
<br />p =qh ðGCp ÞðγEÞðγa Þð
<br />=0.00256 Kz Kzt Kd Ke V2
<br />Note:
<br />Section 29.10.1 ASCE 7-16
<br />Kz = 0.9 (Exposure C, Height = 20 ft or less)
<br />Kzt = Topographical Factor = 1.0
<br />Kd = Wind Directionality Factor = 0.85
<br />Ke = Ground Elevation Factor = 1.0
<br />V = 130 mph ; VASB = 101 mph Table 1609.3.1 2019 CBC
<br />qh =0.00256 (0.9) (1.0) (0.85) (1.0) (101)2
<br />p =qh ðGCp ÞðγEÞðγa Þð
<br />qh =20 psf
<br />p = 20 psf (-2.0) (1.5) (0.7) = 42 psf
<br />Eq'n 26.10-1 ASCE 7-16
<br />GCp = -2.0 (Zone 2 ; Effective Area = 15 sq. ft. )
<br />GC p = Exposure Factor = 1.5ðγE
<br />GCp = Solar Array Pressure Equalization Factor = 0.7 ðγa Fig. 29.4-8 ASCE 7-16
<br />Design (Factored) Uplift at each support = 0.6 x 643 lbs = 386 lbs
<br />Nominal (Unfactored) Uplift at each support = 42 psf x 15.3 sq. ft. = 643 lbs
<br />Note: Section 2.4.1 of ASCE 7-16, Basic Load Combinations for Allowable Stress
<br />Load per lag screw = 386 lbs / 1 = 386 lbs
<br />Design. Note: Applicable Load Combination #5 (D + 0.6W)
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<br />Exp. 3-31-19
<br />No. C58724
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<br />719 W Jonquil Rd
<br />03/14/22
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