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Page: 2 <br />7E One' Engineering <br />OR Sauclural & Bridge Engineers <br />Project No.: 302.270-18 <br />DATE: 01124119 <br />9750 Miramar Road, Suite 310 Phone # : (858) 335-7643 <br />San Diego, CA 92126 www.orie2.com - <br />PROJECT: Pleasanton Century House BY: ESY ' <br />- Gravity Design Loads: - <br />Code: 2016 California Building Code (CBC) <br />Roof Dead Loads: <br />- - <br />Asphalt Shingle Roofing <br />3.0 psf <br />112' Plywood Deck <br />1.5 psf <br />1 x 6 @ 10' O.C. Flat <br />1.25 psf <br />2x4@24'O.C. <br />0.75 psf <br />1x6 Collar Ties/Truss @ 24' O.C. w/ 2x8 Bridging <br />1.0 psf <br />- <br />Mech/ElecUPIamb <br />1.0 psf <br />Ceiling <br />2.5 psf <br />Total : <br />11.0 psf <br />Roof Dead Load =11.0 psf <br />- <br />Roof Live Loads: 2016 CBC, {1607.12.2.1 <br />Unreduced Live Load, Lo: 20.0 psf <br />Tributary Width: 0.0 ft <br />Beam Span Length: 0.0 ft <br />- <br />Roof Rlse, F: 10.00 in I per <br />foot <br />Tributary Area, Al=0.0ft'0.0 ft= <br />0ft"2 <br />Since At = 0.0 ft"2 <= 200.0 ft^2, R1 =1.0 <br />- <br />R1= 1.0 <br />Since 4.0<F=10.0inlperfool<12.0,R2=1.2-0.05.10.0In/per foot <br />R2 = 0.7 <br />Reduced Roof Live Load, Lr = Lo • R1 ' R2 <br />(2016 CBC, Eq. 16-26) <br />Reduced Roof Live Load, Lr = 20.0 psf • 1.0.0.7 <br />Reduced Roof Live Load, Lr = 14.0 <br />psf <br />- <br />Roof Live Load =14.0 psf <br />Floor Dead Loads: <br />Flooring - <br />3.0 psf <br />- <br />1x Flat Sub -Flooring <br />2.0 psf <br />2x Floor Joists @ 16' O.C. <br />3.5 psf - - <br />' Mech Elect/Plumb <br />1.0 psf <br />Ceiling <br />2.5 psf <br />Miscellaneous <br />1.0 psf <br />Sub -Total: <br />43.0 psf <br />Beams <br />2 psf <br />- <br />Total: <br />15.0 psf <br />Floor Dead Load =15.0 psf <br />Floor Live Load: 2016 CBC, Section 1607.10.1 <br />Unreduced Live Load, Lo: 40.0 psf <br />- Tributary Width: 8.0 ft <br />Beam Span Length: 50.0 ft <br />- Live Load Reduction Factor, KII: 2 <br />- <br />(2016 CBC, Table 1607.10.1) <br />Tributary Area, At = 50.0 ft • 8.0 ft <br />- <br />At = 400.0 ft"2 <br />- <br />Reduced Floor Live Load, L = Lo • {0.25 +[161(Kit • At)"(112)jj <br />(2016 CBC, Equation 16-23) <br />L = 40.0 psf • (0.25. [15 / (2.400.0 ft"2)"(112)]♦ <br />' <br />L = 31.213 psf <br />- <br />Floor Live Load =31.2psf <br />Roof Deck Dead Loads: <br />- - <br />Asphalt Shingle Roofing <br />3.0 psf <br />- - <br />Roof Sheathing <br />1.5 psf <br />2x6 @ 24' O.C. Roof Joists <br />1.5 psf <br />- 6x6 on 2x8 flat. - <br />1.5 psf <br />- - <br />- - Total : - <br />7.5 psf <br />- <br />Floor Dead Load = 7.5 psf <br />Use DL = 8 psf <br />- <br />Wall Dead Loads: - <br />2x Studs @.16' O,C. <br />15.0 psf <br />- - <br />Wall Dead Load =15.0 psf <br />- <br />