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M5FA Design Group, LLc <br />STRUCTURAL I GEOTECHNICAL I SPECIAL INSPECTIONS PROJECT NO. SHEET NO. <br />PROJECT <br />MFR23-236 <br />Bankston Residence UnderpinningDATE <br />SUBJECT 3/1/2024 <br />Lateral Design Loads Along Gridline 6 B' _ <br />Wind Base Shear Along Gridlin-e .6 <br />- . - - -- <br />Loading Direction Transverse <br />I <br />End Zone (1 E+4E) = <br />16.0 psf <br />Zone (1+4) = <br />16.0 psf <br />Tributary Width = <br />9.20 ft <br />Tributary Width = <br />9.59 ft <br />Tributary Height = <br />9.00 ft <br />Tributary Height = <br />9.00 ft <br />End Zone (2E+3E) <br />16.0 psf <br />Zone (2+3) <br />8.0 psf <br />Tributary Width = <br />9.20 ft <br />Tributary Width = <br />9.59 ft <br />Tributary Height = <br />5.00 ft <br />Tributary Height = <br />5 00 ft <br />= <br />Design base shear VWIND = 3825 Ibs a 4.60 ft <br />ASD(60%) base shear VWIND = 2295 Ibs Seismic Controls <br />2 <br />7 <br />iV +n ➢Y.0 CLl1�� �E � � �E g <br />d1%ltnt <br />a'�aH�O iLAflCfKlf as 1-�'MG['fi c M <br />Load Case A (Transwame) Load Case B (LongHadinal) <br />Ma Load Cases <br />Seismic Base Shear Along Gridline 6 <br />ROOfDL = (15 psf) <br />(20.79 ft) <br />= 312 plf Base shear = <br />1st FloorDL = (15 psf) <br />(18.79 ft) <br />= 282 plf Trib Length = <br />WallDL = (12 psf) <br />(4.50 ft) <br />= 54 plf <br />StemwallDL = (150 pcf) <br />(6.00 in) <br />(18.00 in) <br />= 113 plf <br />FootingDL = (150 pcf) <br />(6.00 in) <br />(12.00 in) <br />= 75 plf <br />PerpWallSDL _ (12 psf) <br />(4.50 ft) <br />(37.58 ft) <br />= 2029 lb <br />Design base shear VSEISMIC = <br />5541 Ibs <br />ASD(70%) base shear VSEis= <br />3878 Ibs <br />/Seismic Controls <br />Worst Case Lateral Load Along Gridline 6 = 3878 Ibs <br />Total Available Lateral Resistance Along Gridline 6 = 180 Ibs <br />Additional Lateral Resistance of 3698 lbs Required <br />1681 <br />37 ft <br />