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Spread Footing Load <br />Soil Bearing Pressure q =1500 psf <br />D Lr L Snow <br />Roof (vaulted)15 20 0 0 <br />Roof 10 20 0 0 <br />Floor 15 0 40 0 <br />Ceiling 5 0 10 0 <br />Exterior Wall 15 0 0 0 <br />Interior Wall 10 0 0 0 <br />Floor 15 0 40 0 <br />Deck/Balcony 15 0 60 0 <br />1 2 3 4 A B C D E F <br />Tributary <br />Roof (vaulted)10 10 10 10 <br />Roof 10 10 10 10 <br />Floor 1.33 1.33 1.33 4.63 4.63 1.33 <br />Ceiling 1.33 1.33 9 9 <br />Exterior Wall 8 16 16 16 16 16 8 16 8 <br />Interior Wall 8 8 <br />Floor <br />Deck/Balcony 1.33 1.33 2.5 2.5 <br />D (plf)452 612 847 747 615 834 490 487 747 490 <br />Lr (plf)200 200 200 200 0 200 200 0 200 200 <br />L (plf)13 146 133 53 150 335 90 185 53 90 <br />S (plf) 0 0 0 0 0 0 0 0 0 0 <br />Grid Line 1 2 3 4 A B C D E F <br />Control Combination D+Lr D+0.75L+0.75Lr D+0.75L+0.75Lr D+Lr D+L D+0.75L+0.75Lr D+0.75L+0.75Lr D+L D+Lr D+0.75L+0.75Lr <br />Load (plf)652 871 1097 947 765 1236 708 672 947 708 <br />Wall Width (in)3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 <br />Loaction of wall (in)6.00 6.00 9.00 9.00 9.00 9.00 6.00 9.00 9.00 6.00 <br />Moment of Wall (lb-ft / ft) 326 436 823 711 574 927 354 504 711 354 <br />Stem Depth (ft) <br />Stem Width (ft) <br />Footing Depth (ft)1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 <br />Footing Width (ft)1.0 1.0 1.5 1.5 1.5 1.5 1.0 1.5 1.5 1.0 <br />Concrete Weight (plf) 225 225 338 338 338 338 225 338 338 225 <br />Pstem (plf)0 0 0 0 0 0 0 0 0 0 <br />Pfooting (plf)225 225 338 338 338 338 225 338 338 225 <br />Mstem+Mfooting (lb-ft / ft)113 113 253 253 253 253 113 253 253 113 <br />Mtotal (lb-ft / ft)438 548 1076 964 827 1180 466 757 964 466 <br />Ptotal (plf)877 1096 1435 1285 1103 1573 933 1009 1285 933 <br />Mtotal / Ptotal (ft)0.5 0.5 0.8 0.8 0.8 0.8 0.5 0.8 0.8 0.5 <br />e (ft)0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 <br />L/6 (ft)0.17 0.17 0.25 0.25 0.25 0.25 0.17 0.25 0.25 0.17 <br />q (psf)877 1096 956 857 735 1049 933 673 857 933 <br />Allow Point Load (lbs) 3740 2422 4892 5790 6885 4061 3405 7444 5790 3405 <br />C+ 4D <br />D <br />C <br />70