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Wyssling C on s ul t i n g <br />76 N. M eadow brook Drive (201) 874-3483 <br />Alpine, U T 84004 .swyssling@wysslingconsuiting.com <br />G r a v i t y L o a d s <br />E x i s t i n g Weibel Residence <br />R oof Dead Load 2529 Alona Street <br />2.0 psf Composite Shingle Santa Ana, C A <br />1.4 psf 7/16" Plywood Sheathing <br />2.3 psf 2x6 @ 24 in. oc.. <br />1.0 psf Ceiling, Mechanical, Electrical <br />5.8 psf Stucco Ceiling <br />12.5 psf ?TOTAL <br />Second Floor Dead Load <br />O psf Floor Finishes <br />O psf ?_1 1/8" Subfloor Sheathing <br />Opsf Joists @ 16'a.c. <br />Opsf Partitions <br />Opsf Ceiling, Mechanical, Electrical Signed 11/4/2022 <br />sf___Miscellaneous <br />Opsf TOTAL <br />Roof Live Load Floor Live Load <br />20 psf 0 psf <br />Roof Snow Load <br />Ground SnowLoad= _ 0 psf (to be divided by cosine o f r o o f angle for horizontal projection ASCE 7 Sec. 7.4) <br />pe= O . 7 C . C , I p , = O p s f C .=1 ,C ,=1 .1 Flat Roof Snow Load (ASCE 7-16 Eq. 7.3-1) <br />C = 0.85 ASCE 7-16 Figure 7.4-1 <br />Additional <br />T o t a l <br />Roof Dead Load - New Solar Panels <br />2 psf <br />Roof Live Load at Solar Panels <br />© psf <br />Roof Snow Load at Solar Panels <br />0 psf Sloped Roof Snow Load (ASCE 7-16 Eq. 7.4-1) <br />Total Existing Roof Load = (DLgoor + Max(LLacor oF $)) Areagoor <br />93860 Ibs <br />Total New RoofLoad = (DLgoor + DLapp + Max(LLgoor oF S)) Areagoor <br />88367 Ibs <br />Change in Demand= (Total New Roof Load - Existing Roof Load) / Existing R oo f Load <br />5 . 8 5 % <br />T o t a l N ew G r a v i t y L oads are less t h a n E x i s ti n g L oads . O K <br />2018 IEBC Section 807.4 states: <br />?Existing structural elements supporting any additional gravity loads as a resultofthe alterations, including the effects <br />of snow drift , shall comply with the International Building Code. EXCEPTION: I. Structural elements whose stress is <br />not increased by more than 5%." <br />2529 N Alona St <br />02/16/23