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McPherson Engineering By: R.S. <br />Date: 4/8/26 <br />Existing Loads: <br />Level Ws (kips)Hx (ft)Ws*Hx Cvx Fs (k)Fs / W s Ftot <br />Roof 193 80 15401.6 1.00 1348 7.00 1348 <br />9th 144 80 11551.2 0.75 1011 7.00 2358 <br />8th 144 70 10107.3 0.66 884 6.13 3243 <br />7th 144 60 8663.4 0.56 758 5.25 4001 <br />6th 144 50 7219.5 0.47 632 4.38 4633 <br />5th 144 40 5775.6 0.38 505 3.50 5138 <br />4th 144 30 4331.7 0.28 379 2.63 5517 <br />3rd 144 20 2887.8 0.19 253 1.75 5770 <br />2nd 144 10 1443.9 0.09 126 0.88 5896 <br />Total 1348 15401.6 1.00 1348 <br />Proposed Loads: <br />Level Ws (kips)Hx (ft)Ws*Hx Cvx Fs (k)Fs / W s Ftot <br />Roof 198 80 15850 0.23 316 1.60 316 <br />9th 144 80 11551 0.17 230 1.60 547 <br />8th 144 70 10107 0.15 202 1.40 748 <br />7th 144 60 8663 0.13 173 1.20 921 <br />6th 144 50 7220 0.11 144 1.00 1065 <br />5th 144 40 5776 0.09 115 0.80 1180 <br />4th 144 30 4332 0.06 86 0.60 1267 <br />3rd 144 20 2888 0.04 58 0.40 1324 <br />2nd 144 10 1444 0.02 29 0.20 1353 <br />Total 1353 67830 1.00 1353 <br />Check additional story shear <br />Level Ex. Shear (k) Prop. Shear (k) % Increase <10%? <br />Roof 1348 316 -326.19% OK! <br />9th 2358 547 -331.41% OK! <br />8th 3243 748 -333.35% OK! <br />7th 4001 921 -334.33% OK! <br />6th 4633 1065 -334.91% OK! <br />5th 5138 1180 -335.26% OK! <br />4th 5517 1267 -335.49% OK! <br />3rd 5770 1324 -335.63% OK! <br />2nd 5896 1353 -335.69% OK! <br />PER 2025 C.E.B.C. SEC. 502.5, UNDER 10% LATERAL STRESS INCREASE, NO RETROFIT <br />REQUIRED <br />Vertical Load Distribution <br />4/8/2026 12:25 PM <br />6 of 8 <br />©McPherson Engineering