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FOUNDATION ANALYSIS (F) <br />FOUNDATION ANALYSIS AND DESIGN <br />SOIL BEARING PRESSURE IS LIMITED TO (PER TABLE 1806.2-UNLESS A SOIL REPORT IS SUBMITTED) : <br />σ =1500 psf <br />(IN CASE THE FOOTING DEPTH IS EQUAL TO 24" USE 10% INCREASE) <br />1- CONTINUOUS FOOTING <br />UNIFORM LOAD: 12" WIDE = <br />15" WIDE = <br />18" WIDE = <br />2- CONCENTRATED LOAD ON CONTINUOUS FOOTING LOAD CAPACITY <br />12" WIDE BY 12" BELOW FINISH GRADE <br />CONCENTRATED LOAD: L = 36 + 3.50 <br />L = 39.5 in <br />W= 3.5 in L = 39.5 x 12 = 474 in x = LBS <br />S.F <br />15" WIDE BY 18" BELOW FINISH GRADE <br />L = 48 + 3.50 <br />D L = 51.5 in <br />L = 51.5 x 15 = 772.5 in x = LBS <br />S.F <br />L=2*D+W <br />D= FOOTING HIGHT+6" 18" WIDE BY 24" BELOW FINISH GRADE <br />L = 60 + 3.50 <br />L = 63.5 in <br />L = 63.5 x 18 = 1143 in x = LBS <br />S.F <br />3- CONCENTRATED LOAD ON PAD FOOTING, LOAD CAPACITY <br />12" DEEP Pall = 2.25 ft x σ Pall = 4 ft x σ 42" SQ Pall = lb <br />18SQ Pall = 3375 lb 24SQ Pall = 6000 lb 44" SQ Pall = lb <br />48" SQ Pall = lb <br />Pall = 6.25 ft x σ Pall = 9 ft x σ 54" SQ Pall = lb <br />30SQ Pall = 9375 lb 36SQ Pall = 13500 lb <br />Pall = 11.11 ft x σ <br />40SQ Pall = 16665 lb <br />PAD FOOTING DESIGN: <br />ASSUME ALLOWABLE SOIL PRESSURE = 1500 PSF PER TABLE 18-1-1 <br />REACTION STATUS FOUND <br />R CAPACITY <br />3814 NO FOUND 0.00 <br />3146 NO FOUND 0.00 <br />944 EX. FOUND 3.25 <br />MEMBERS <br />B1L <br />A = R/1500 ft2 <br />5.36 <br />PAD NAME <br />4937.50 <br />8046.88 <br />13096.88 <br />18375 <br />20166 <br />24000 <br />30375 <br />1500 lb/ft <br />(F1) 24"*24"*24"2.54 S.F <br />2250 lb/ft <br />1875 lb/ft <br />PAD AREA <br />8.73 <br />3.29 <br />1311 N TOWNER ST. SANTA ANA <br />8/6/202 <br />SHEET OF CALCULATION <br />1311 N TOWNER ST SANTA ANA CA PROJECT NAME <br />SUBJECT <br />PAD DESIGN <br />PROJECT NUMBER <br />ADDRESS <br />DAT <br />FOUNDATION ANALYSIS <br />B2L 0.63 S.F NO PAD <br />B2R 2.10 S.F (F1) 24"*24"*24" <br />σ <br />144 <br />σ <br />144 <br />σ <br />144 <br />F1 <br />1311 N Towner <br />12/12/2024