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Sht # 2 of 7
<br />Note to Building Official:
<br />Based upon a review of the proposed plans I am confident that the
<br />existing roof framing system is capable of safely supporting the additional
<br />loads caused by the new solar photovoltaic energy system. I have reviewed
<br />the existing structural system and based upon the field measurements and
<br />drawings provided by the contractor, it appears that the roof can support its
<br />required live load. Attached in this package are several calculations showing
<br />that the roof members can support the additional weight of the solar array.
<br />Furthermore, an analysis of the solar array's support for wind forces and a
<br />seismic analysis of the existing structure are also included.
<br />(Assume max truss span = 20 ft.)
<br />Trusses
<br />truss
<br />Note to Building Official:
<br />Based upon a review of the proposed plans and information, the
<br />existing roof framing system is capable of safely supporting the additional
<br />loads caused by the new solar photovoltaic energy system. The contractor
<br />shall field verify that the existing roof structure is in its original permited
<br />condition and verify that it can support the normal code required roof live
<br />loads. Attached in this package are several calculations showing that the roof
<br />members can support the additional weight of the solar array.
<br />Furthermore, an analysis of the solar array's support for wind forces and a
<br />seismic analysis of the existing structure are also included.
<br />W DL + LL
<br />R1 R27.83'
<br />Rafters
<br />rafter
<br />Total load on rafter = 60 plf x 20 ft. = 1,200 lbs
<br />w = 30 psf x 2 ft. = 60 plf
<br />Total load on rafter = 60 plf x 7.83 ft. = 470 lbs
<br />w = 30 psf x 2 ft. = 60 plf
<br />Check Existing 2x4 Roof Rafters @ 24" O.C.: *
<br />Total load on Rafter = 60 plf x 7.83 ft. = 470 lbs
<br />w = 30 psf x 2 ft. = 60 plf
<br />Check Existing 2x4 Roof Rafters @ 24" O.C.: *
<br />Total load on joists = 40 plf x 21 ft. = 840 lbs
<br />w = 30 psf x 1.33 ft. = 40 plf
<br />Check Existing Roof Joists @ 16" O.C.:
<br />*Note: Contractor to Field Verify Framing
<br />20173570 Quick Solar Systems Kevin Costello 15049 Residence Date: September 16, 2017
<br /> 9924 Universal Boulevard #224406 Orlando, FL 32819 Tel:1.310.464.1804
<br /> Email: loydwmartin@gmail.com www.loydwmartin.com
<br />Loyd W. Martin Professional Engineer, Inc.
<br />20182670 Divine Power USA Ronald Howard Residence Date: September 7, 201820183631 Solar Survey Pro Itzel Lopez Residence Date: November 21, 201820183702 Precis Solar Barbara Cervera Residence Date: November 30, 201820183831 ESD 18795 Pacheco Residence Date: December 12, 201820183831 ESD 18795 Pacheco Residence Date: January 23, 201920183831 ESD 18795 Pacheco Residence Date: January 23, 20192019292 Axis Solar Design Stephen Skjelvik Residence Date: February 5, 20192019489 Axis Solar Design Ecoforce 6 Peachtree Date: February 22, 20192019489 Axis Solar Design Ecoforce 6 Peachtree Date: March 12, 201920192865 Axis Solar Design Jacobs 18 Tanglewood Date: August 29, 201920193009 Axis Solar Design Applebaum Date: September 11, 201920193922 Axis Solar Design Fitzpatrick Residence Date: November 7, 20192020053 Axis Solar Ryerson Residence Date: November 9, 20192020126 Axis Solar Mark Reynolds Residence Date: January 16, 20202020131 Axis Solar Law Residence Date: January 16, 20202020268 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Residence Date: August 3, 202020201704 Solar Journey Nisal Samarasena Residence Date: August 4, 202020201724 Grid Alt IE Efren Salgado Residence Date: August 5, 202020201723 Grid Alt IE Sandra West Residence Date: August 5, 202020201722 HPM Solar Xavier Monge Residence Date: August 5, 202020201722 HPM Solar Xavier Monge Residence Date: August 5, 202020201718 ilum Solar Mejia Emerson Residence Date: August 5, 202020201806 ilum Solar Justice Lloyd Residence Date: August 13, 202020201804 ilum Solar Joshua Gould Residence Date: August 13, 202020201803 ilum Solar Lloyd Harmon Residence Date: August 13, 202020201958 ilum Solar Deane Martinez Residence Date: August 27, 202020202114 ilum Solar Mike Rich Residence Date: September 10, 202020202159 ilum Solar Norman Allen Residence Date: September 13, 202020202158 ilum Solar Paul Kiehn Residence Date: September 13, 202020202666 ilum Solar Yvonne Quinones Residence Date: October 16, 202020202762 ilum Solar Andre James Residence Date: October 21, 202020203084 ilum Solar Christine Quilon Residence Date: October 21, 202020203189 ilum Solar Michael Ireland Residence Date: November 12, 202020203252 ilum Solar Viorato Residence Date: November 13, 20202021072 Ilum Solar Cory Hoffa Residence Date: January 12, 20212021-284 Ilum Solar Henry Verduzco Residence Date: January 12, 20212021-284 Ilum Solar Henry Verduzco Residence Date: January 25, 20212021-285 Ilum Solar Andrew Hollihan Residence Date: January 25, 20212021-428 Solar Journey Eddie Joseph Residence Date: February 6, 20212021-679 Precis Solar Tyrone Hudson Residence Date: February 26, 20212021-680 Precis Solar David Garibaldi Residence Date: February 26, 20212021-1059 Precis Solar Susan Anderson Residence Date: March 31, 20212021-1063 Precis Solar John Evancoe Residence Date: March 31, 20212021-1065 Precis Solar Wallace Ward Residence Date: March 31, 20212021-1065 Precis Solar Wallace Ward Residence Date: March 31, 20212021-1095 Sunrise Solar Kayla Lutz Residence Date: April 1, 20212021-1234 Ilum Solar Aaron Mendoza Residence Date: April 14, 2021 2021-1272 Penguin Solar Vivian Moniz Residence Date: April 17, 2021 2021-1274 Penguin Solar Christopher Foster Residence Date: April 17, 2021 2021-1275 Penguin Solar Jose Cano Residence Date: April 17, 2021 2021-1301 Penguin Solar John Lacivita Residence Date: April 20, 2021 2021-1409 Better Earth Steve Katz Residence Date: April 27, 2021 2021-1453 Better Earth Kyle Scott Residence Date: April 29, 2021 2021-1801 Better Earth June Webb Residence Date: May 21, 2021 2021-2568 Better Earth Bryce Blake Residence Date: July 5, 2021 2021-3488 Better Earth Juan Garcia Residence Date: August 27, 2021 2021-4627 Better Earth Gary Krogstad Residence Date: October 26, 2021 2022-2248 ESD 22-171 Schoennauer Residence Date: May 25,2022 2022-3226 A1 Sun Inc Gary Wiskind Residence Date: August 10, 2022 2022-3230 BVI Solar Bart Cooper Residence Date: August 10, 2022 2022-3237 Solar Deployed Mario Giampa Residence Date: August 10, 2022 2022-3260 Solar Deployed Cort Collins Residence Date: August 11, 2022 2022-3814 Measure The Sun Rachel Edwards Residence Date: September 21, 2022 2022-3819 Solar Draft Jean Pak Residence Date: September 21, 2022 2022-3896 PowerTown Solar Chantelle Ho Residence Date: September 27, 2022 2022-3913 Pure Gold Solar Rick Jill Burgess Residence Date: September 27, 2022 2022-3935 Solar Outsource David Ross Residence Date: September 28, 2022 2022-3950 Solar Plan Design Kiera Woodson Residence Date: September 29, 20222022-4007 Solar Depoyed Nathan Dean Wilder Residence Date: October 4, 20222022-4041 Sun Green Systems Kiera James Kingdom Residence Date: October 5, 2022
<br />(Assume max rafter span = 7.83 ft.)
<br />2022-4082 BVI Solar Bill Faust Residence Date: October 6, 20222022-4423 Sun Dollar Solar Norm Fort Residence Date: October 27, 20222022-4521 Solar Survey Pro 11918 Lambert Ave Residence Date: November 2, 20222023-2023-102 HPM Solar Duke Draeger Residence Date: January 10, 20232023-104 Solar Deployed Emilio Romero Residence Date: January 10, 20232023-160 Green Road Solar Sonny Pulley Residence Date: January 12, 20232023-180 Solar Outsource Joven Tolentino Residence Date: January 13, 20232023-243 ESD 23-032 Thomas Chaiping Residence Date: January 18, 20232023-523 ESD 23-077 Richard Soliven Residence Date: February 2, 20232023-831 Solar Deployed Francisco Arreola Residence Date: February 17, 2023
<br />Exp. 3-31-19
<br />No. C58724 NITRAMW.DYO
<br />REGISTEREDPROFESSIONALENGINEER
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<br />3717 S Olive St- 101118640 &
<br />201823884/2/2024
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