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Project #:Engineer:LMC/PVB <br />Project:Villa del Sur Apts - Voluntary seismic retrofit Date:7/10/2024 <br />CALC. DIMENSION (E) PAD FOOTING - EXT COL - TYPICAL ALL BLDGs. <br />Input cells with color <br />LIVE LOADS <br />Number of floors =1 <br />Floor Live Load =40 psf D=40.0 psf <br />Tributary Area =135 SF <br />IS TRIBUTARY AREA MORE THAN 150 SF?NO, LIVE LOAD REDUCTION NOT REQ'D <br />Load recuction per: UBC 1967 <br />R1 =10.8 % <br />R2 = 60 % <br />R3 =46.20 % <br />R USED = 0 % <br />Live load reduced = 40.0 psf <br />Total Live Load, L 5400.0 lbs <br />ROOF LIVE LOADS <br />Roof Live Load =20 psf <br />Total Roof Live load, L_RF = 3200.0 lbs <br />TOTAL LOAD, D+L+L_RF =17035 lbs <br />17 kips <br />Allow Capacity of Soil =1500 psf <br />Area of pad required= 11.36 SF <br />Dimension req'd =3.4 FT <br />USE (E) PAD FTG. 3'-5"SQ X 12"DEPTH <br />2701 Mc FADEN AVE, SANTA ANA, CA 92704 <br />241285 <br />DEAD LOADS <br />Roof 10 16 160 11 1760.0 lbs <br />2nd Floor 10 13.5 135 40 5400.0 lbs <br />0.0 lbs <br />Wall Length, Ft Ht, Ft <br />10 8.5 15 1275.0 lbs <br />Total Dead Load, D 8435.0 lbs <br />Length trib, <br />Ft Area Trib SF Load <br />psf <br />Width trib, <br />Ft <br />Page 6 <br />Assuming (E) PAD FTG 3'-6" x 3'-6" dimensions. <br />Allow soil bearing pressure = 1500 psf <br />The bearing pressure under (E) is: <br />17035 lbs / (3.5ft X 3.5ft) = 1391 psf < 1500 psf OK <br />THE CALCULATION HERE IS JUST TO <br />ESTIMATE THE SIZE OF THE EXISTING PAD <br />FTG PER CODE USED IN THE ORIGINAL <br />DESIGN OF THE BUILDING <br />D=8.5 kip <br />L=5.4 kip <br />Lr=3.2 kip <br />2701 W McFadden Ave <br />#F-I2/6/2025