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M5FA Design Group, LLC <br />STRUCTURAL I GEOTECHNICAL I SPECIAL INSPECTIONS PROJECT NO. SHEET NO. <br />M FR23-236 <br />PROJECT Bankston Residence Underpinning DATE DATE <br />24 <br />SUBJECT <br />BY <br />Lateral Design Loads Alonq Gridline C . <br />Wind Base Shear Along br'idline C . <br />Loading Direction. <br />Transverse <br />End Zone (1E+4E) = <br />16.0 psf <br />Zone (1+4) = <br />16.0 psf <br />Tributary Width = <br />9.20 ft <br />Tributary Width = <br />13.80 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 />13.80 ft <br />Tributary Height = <br />5.00 ft <br />Tributary Height = <br />5.00 ft <br />Design base shear VWiND = 4600 Ibs a = 4.60 ft <br />ASD(60%) base shear VWND = 2760 Ibs Seismic Controls <br />� z s <br />2 <br />r <br />tIIfPU�E 0Ui124t 1E ' � 1E S <br />P21CsfletF G6cltfR <br />m 6'9n0��Nftf1Y[ a0 'VM 03mcnm <br />Load Case A (Transwerse) Load: Case B (LongRudinal) <br />Basic Load Cases <br />- - - -- -.... --------- _ -- --- -- Seismic Base Shear Along--- --- -- G--ridline-- ---- <br />C- <br />ROOtDL = (15 psf) <br />(25.00 ft) <br />= 375 plf Base shear = <br />1st FloorDL = (15 psf) <br />(23.00 ft) <br />= 345 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 />(46.00 ft) <br />= 2484 lb <br />Design base shear VsEisMic = <br />6497 Ibs <br />ASD(70%) base shear VsEis = <br />4548 Ibs <br />•Seismic Controls <br />Worst Case Lateral Load Along Gridline C = 4548 Ibs <br />Total Available Lateral Resistance Along Gridline C = 3952 Ibs <br />Additional Lateral Resistance of 596 Ibs Required <br />38 ft <br />