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'FOUNDATION AND SUPPORT REQUIREMENTS (Continued) <br /> <br />TABLE 4 <br />FOOTING SIZES <br /> <br /> FOOTINGS SIZES (IN x IN) OR EQUAL AREAS (SQ. IN.) <br /> ALLOWABLE SOIL BEARING VALUE <br />n~oom~o 1000 PSF 1500 PSF 2000 PSF 3000 PSF 4000 PSF 6000 PSF <br />PIER ........ <br /> <br />LOAO REQUIRED TYPICAL REQUIRED TYPICAL REQUIRED TYPICAL REQUIRED TYPICAL REQUIRED TYPICAL REQUIRED TYPICAL <br />CAPACITY AREA SIZES AREA SIZES AREA SIZES AREA SIZES AREA SIZES AREA SIZES <br />(POUNDS) (SQ. IN,) (IN.xlN,) (SQ, IN.) (IN.xIN.} (SQ. IN.) (IN.xlN.) (SQ, IN.) (IN.x[N,) ($Q, IN.) (IN.xlN.) (SQ. IN.) (IN.xlN,) <br />1500: 216 12x20 144 12x20 144 12x20 144 12x20 144 12x20 144 12x20 <br />2000 288 16x20 192 12x20 144 12x20 144 12x20 144 12x20 144 12x20 <br />2500 360 18x20 240 12x20 180 12x20 144 12x20 144 12x20 144 12x20 <br />3000i 432 20x22 288 16x20 216 12x20 144 12x20 144 12x20 144 12x20 <br />3500 504 22x24 336 18x20 252 14x20 168 12x20 144 12x20 144 12x20 <br />4000 576 24x24 384 20x20 288 16x20 192 12x20 144 12x20 144 12x20 <br />4500 648 26x26 432 20x22 324 18x20 216 12x20 162 12x20 144 12x20 <br />50001 720 26x28 480 22x22 360 18x20 240 12x20 180 12x20 144 12x20 <br />5500 792 28x30 528 22x24 396 20x20 264 14x20 198 12x20 144 12x20 <br />6000 864 30x30 576 24x24 432 20x22 288 16x20 216 12x20 144 12x20 <br />6500 936 30x32 624 24x26 468 22x22 312 16x20 234 12×20 156 12x20 <br />7000 1008 32x32 672 26x26 504 22x24 336 18x20 252 14x20 168 12x20 <br />7500 1080 32x34 720 26x28 540 24x24 360 18x20 270 14x20 180 12x20 <br />8000 1152 34x34 768 28x28 576 24x24 384 20x20 288 16x20 192 12x20 <br />8500 1224 34x36 816 28x30 612 24x26 408 20x22 306 16x20 204 12x20 <br />9000 1296 36x36 864 30x30 648 26x26 432 20x22 324 18x20 216 12x20 <br />9500 1368 36x38 912 30x32 684 ~6x28 456 22x22 342 18x20 228 12x20 <br />10000 1440 38x38 960 30x32 720 26x28 480 22x22 360 18x20 240 12x20 <br /> <br />13 <br /> <br /> <br />