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411 & 413 E 20th St - Plan
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411 & 413 E 20th St - Plan
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Last modified
2/12/2026 5:00:10 AM
Creation date
2/12/2026 5:00:05 AM
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Template:
Plan
Permit Number
101125143
Full Address
413 E Twentieth St
Street Number
413
Street Direction
E
Street Name
Twentieth
Street Suffix
St
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Wind Analysis <br />Zone A = 26.60 psf <br />Zone C = 17.70 psf <br />Longest Wall = 26’ <br />Mean height = 15’ <br />Total Corners = 2 <br />Wind Load = Exposure A + Exposure C <br />Exposure = Wall length x Mean Height x Zone x 0.6 <br />= (2x3x15x26.60x0.6)+(20x15x17.70x0.6) <br />=1,436.4 + 3,186 <br />=4,622.4 lbs <br />Earthquake Load = V x Area <br />= 5.40 x 806 <br />= 4,352.4lbs (wind governs)
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