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Project:POE Marine Industrial Expansion By:KCP <br /> Location:Everett,WA Date:5/5/2021 <br /> Low-Mast Footing Design <br /> Resisting Forces <br /> Passive Pressure <br /> No advatage is taken from passive pressure <br /> hnegiett-Height of Soil Above toe to neglect 0.0 ft <br /> Fag::ive=(1/2)Paa:sive(trre+hsoiisoe hnegie«)z*LrrG 0 Ibs <br /> Mpassive=Fpasslve(1/3)htotai 0 Ib*ft/ft <br /> Friction <br /> Ffriadon=Wtotai(µodmg) 66904.1 Ibs <br /> Sliding <br /> Per IBC 1807.2.3,Design for sliding shall have a minimum safety Factor(S.F.)of 1.5.The Coeff of friction <br /> and Passive pressure have a S.F.of 1.5. If Force Resisting>Force Driving,design is OK with a S.F.of 1.5. <br /> Fresisting=Fpassive+Ffriotion 66904 Ibs <br /> 0.7E <br /> Fdriving 494 Ibs Forces Defined Above <br /> D/C 0.01 OK <br /> 0.6W <br /> Fdriving 660 Ibs Forces Defined Above <br /> D/C 0.01 OK <br /> Force(lb) Moment Arm(ft) MD(lb*ft/ft) MR(lb-ft) <br /> Fseisrnic 705 - 11161 - <br /> FWindload 1100 - 33000 - <br /> Fpassive 0 - - 0 <br /> WFTG 76050 6.50 494325 <br /> Wbarner 48000 6.50 312000 <br /> Wpedestai 9533 6.50 61966 <br /> Moil 57571 6.50 374215 <br /> ASD Load Combinations D D10.71E D 0.6D+0.7E 0.6D+0.6W <br /> D-Dead Load 1.0 1.0 1.0 0.6 0.6 <br /> W-Wind Load 0.0 0.0 0.6 0.0 0.6 <br /> E-Seismic Load 0.0 0.6 0.0 0.7 0.0 <br /> H-Resisting Lateral Earth Pressure 0.6 0.6 0.6 0.6 0.6 <br /> D+0.7E D+0.6W 0.6D+0.7E 0.6D+0.6W <br /> Fdriving Ibs 0 423 660 494 660 <br /> Mdni g (lb-ft) 0 6697 19800 7813 19800 <br /> Mresisting (lb-ft) 1242505 1242505 1242505 745503 745503 <br /> WWW (Ib) 191155 191155 191155 114693 114693 <br /> Overturning <br /> Sum Resisting Moments (lb*ft) 1242505 1242505 1242505 745503 1 745503 <br /> Sum Driving Moments (lb*ft) 0 6697 19800 7813 19800 <br /> Overturning F.S. Infinite 185.54 62.75 95.42 37.65 <br /> Bearing <br /> e=B/2-(EMR FMD)/Wmtai ft 0.00 0.04 0.10 0.07 0.17 <br /> 1/2 Kern=B/6 ft 2.17 2.17 2.17 2.17 2.17 <br /> Is eccentricty inside kern? YES YES YES YES YES <br /> Min Bearing Pressure psf 1131 1113 1077 657 625 <br /> Max Gross Bearing Pressure psf 1131 1149 1185 700 733 <br /> Max Net Bearing Pressure psf 411 429 465 268 301 <br /> Bearing Pressure D/C 0.66 0.69 0.75 0.43 0.49 <br /> Summary of Service Level Checks <br /> Overturning Minimum F.S. 37.65 OK <br /> Max Bearing D/C 0.75 OK <br /> 11 <br />