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Sht # 2 of 7
<br />Check Existing 2x4 Roof Rafters @ 24" O.C.: *
<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. 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 R2 7.8'
<br />Total load on rafter = 60 plf x 7.8 ft. = 468 lbs
<br />Loyd W. Martin Professional Engineer, Inc.
<br />2510 W. 237th St. #206 orrance, CA 90505 el:1.310.464.1804TT
<br />Email: loydwmartin@gmail.com www.loydwmartin.com
<br />*Note: Contractor to Field Verify Framing
<br />2017-4652 Solar Shoppers Richard Roth Residence Date: November 29, 2017
<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 />2018-1289 Revolt Electric O Quinn Residence Date: May 1, 20182018-2637 Revolt Electric Christensen Residence Date: September 5, 20182018-2637 Revolt Electric Christensen Residence Date: October 1, 20182018-3818 Revolt Electric Ysidro Mendez Residence Date: December 12, 20182019-3131 Revolt Electric Greenfield Residence Date: September 18, 2019 2019-3187 Revolt Electric Paraza Residence Date: September 23, 20192019-3187 Revolt Electric Paraza Residence Date: September 23, 20192019-4671 Revolt Electric Leonar Colindres Residence Date: December 30, 20192019-4671 Revolt Electric Leonar Colindres Residence Date: December 30, 20192020-616 Revolt Electric Raddatz Residence Date: March 9, 20202020-616 Revolt Electric Raddatz Residence Date: March 9, 20202020-688 Solar Shoppers Etpison Residence Date: March 17, 20202020-669 Axis Solar Old Oak Ranch Date: March 23, 2020 2020-852 Grid Alt IE Jose Rodriguez Residence Date: April 15, 20202020-852 Grid Alt IE Jose Rodriguez Residence Date: April 15, 20202020-904 Grid Alt IE Reginaldo Duarte Residence Date: April 24, 20202020-913 Solar Journey Petros Petrosyan Residence Date: April 27, 20202020- 1567 Penguin Solar Anthony Robertson Residence Date: July 20, 20202021-124 ESD 20-914 Fritz Residence Date: January 13, 20212021-769 Solar Journey Ruben Simonyan Residence Date: March 5, 2021
<br />Exp. 3-31-19
<br />No. C58724
<br />NITRAMW.DYO
<br />REGISTEREDPROFESSIONALENGINEER
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<br />FOETATS
<br />ALIFORNIAICIL
<br />-23
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<br />w = 30 psf x 2 ft. = 60 plf
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<br />( Assume max rafter span = 7.8 ft. )
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<br />719 W Jonquil Rd
<br />03/14/22
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