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1817 W Meriday Ln - Plan
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Last modified
6/1/2025 11:59:53 AM
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6/1/2025 11:59:45 AM
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Plan
Permit Number
20181903
101117984
Full Address
1817 W Meriday Ln
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101117984 - Permit
(Permit - Plan)
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\Building\Permits\M\Meriday Ln\1817 W Meriday Ln
20181903 - Permit
(Permit - Plan)
Path:
\Building\Permits\M\Meriday Ln\1817 W Meriday Ln
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By: J.R. <br />Date: 12/13/23 <br />Seismic Design Parameters <br />Risk Category = 2 Per Table 1‐5‐1 R = 6.5 Response Modification Factor (Table 12‐2.1) <br />Site Class = D Per 11.4.2 Ie =1 Seismic Importance Factor (Table 1.5‐2) <br />Ss =1.32 Short Period P.G.A. <br />S1 =0.47 1‐Sec Period P.G.A. <br />S.D.C. = D Seismic Design Category Per 11.6 <br />Fa =1.20 Site Coefficient per Table 11.4‐1 ASCE 7‐16 Supplement #1 Tables used for Fa and Fv <br />Fv =1.70 Site Coefficient per Table 11.4‐2 (note: section 11.4.8 Exception #2 calc used) <br />SMS = SDS Fa =1.58 Short Period M.C.E. Per Eq. 11.4‐1 <br />SM1 = SD1 Fv =0.80 1‐Sec Period M.C.E. Per Eq. 11.4‐2 <br />SDS = 2/3 (SMS) =1.05 Short Period Design Parameter Per Eq 11.4‐3 <br />SD1 = 2/3 (SM1) =0.53 1‐Sec Period Design Parameter Per Eq 11.4‐4 <br />Approximate Fundamental Period (Per 12.8.2.1 <br />per Eq. 12.8‐7 <br />hn = 15 ft <br />Ct =0.02 (per table 12.8‐2) <br />x = 0.75 (per table 12.8‐2) <br />T = 0.15 sec Approximate Fundamental Period <br />TL =8 sec Long‐Period Transition Period per Figure 22‐12 <br />Seismic Response Coefficient (Per 12.8.1.1) <br />CS = (SDS Ie)/R = 0.16 Seismic Response Coefficient Per Eq. 12.8‐2 <br />Cs1 = 1.5*(SD1 Ie)/R T = 0.80 Max. Seismic Response Coefficient Per Eq. 12.8‐3 if T ≤ TL <br />Cs2 =0.01 Min. Seismic Response Coefficient Per Eq. 12.8‐5 <br />Cs2 = 0.044 SDS Ie =0.05 Min. Seismic Response Coefficient Per Eq. 12.8‐5 <br />Cs3 = 0.5 S1 Ie/R =0.04 Min. Seismic Response Coefficient Per Eq. 12.8‐6 if S 1 ≥ 0.6g <br />CS =0.16 Design Seismic Coefficient <br />Check Additional Base Shea <br />Wexisting =26.0 kips Weight of Existing Structure <br />Wpanels =0.8 kips Weight of Proposed Panels <br />Vexisting = Cs W existing =4.2 kips Roof Level Shear of Existing Structure <br />Vpanels = Cs W panels =0.1 kips Additional Roof Level Shear of Proposed Panels <br />Vpanels <br />Vexisting <br />Lateral Loads <br />T = Ct (hn)x <br /> = 2.99% < 10%PER C.E.B.C. 502.5 EXCEPTION, STRUCTURE DOES NOT <br />REQUIRE SEISMIC RETROFIT, PANELS OK! <br />12/13/2023 2:14 PM <br />5 of 7 <br />©McPherson Engineering <br />1817 W Meriday Ln- <br />201819032/22/2024
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