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CITY OF SANTA ANA
<br />Planning and Building Agency
<br />Approved
<br />FOR PERMIT ISSUANCE
<br />PAGE:
<br />46Ag�o:
<br />Fr ID:
<br />Seismic Load Calculations: (for L1 & Ti)
<br />0.7E
<br />I 0.7E
<br />Roof Area
<br />Floor Area
<br />I Wall Height
<br />I Ext. Wail
<br />Int. Wall
<br />Weight
<br />HEo
<br />VEo
<br />ft,
<br />ft2
<br />ft
<br />ft
<br />ft
<br />Ibs
<br />Ibs
<br />Ibs
<br />L1 4T1
<br />1,871
<br />0
<br />4.5
<br />187
<br />123
<br />47,240
<br />1 8,025
<br />1,153
<br />Awall = 840 ft` 47,240 8,025 1,153
<br />Vertical Distribution of Seismic Forces
<br />wx
<br />hx
<br />wxhx
<br />wxhx/
<br />> w, hi
<br />Fpx
<br />Fpx/wx
<br />Fpx,Total
<br />Ib
<br />ft(lb-ft)
<br />%(lb)
<br />(lb)
<br />L1 & T1
<br />47,240
<br />10.83
<br />511,768
<br />100
<br />8,025
<br />0.170
<br />8,025
<br />E
<br />47,240
<br />511,768
<br />100
<br />8,025
<br />-
<br />-
<br />Forces to Shear Walls (Roof)
<br />Wall
<br />>' Fx
<br />FTotal
<br />b
<br />v =
<br />FTotai / b
<br />Design
<br />Shearwall
<br />Allowable
<br />Shear
<br />vwind
<br />Ibs
<br />Ibs
<br />ft
<br />Ib/ft
<br />Number(lb/ft)
<br />(lb/ft)
<br />Shear Walls at Roof Level
<br />S-1
<br />1,023
<br />1,023
<br />5.2
<br />198
<br />10
<br />280
<br />86
<br />S-2
<br />2,210
<br />2,210
<br />9.0
<br />246
<br />10
<br />280
<br />107
<br />S-3
<br />1,643
<br />1,643
<br />16.0
<br />103
<br />10
<br />280
<br />45
<br />S-4
<br />1,802
<br />1,802
<br />17.8
<br />101
<br />10
<br />280
<br />44
<br />S-5
<br />1,347
<br />1,347
<br />1 10.6
<br />127
<br />10
<br />280
<br />55
<br />S-6
<br />2,082
<br />2,082
<br />17.3
<br />121
<br />10
<br />280 1
<br />83
<br />S-7
<br />4,013
<br />4,013
<br />39.3
<br />102
<br />10
<br />280 1
<br />70
<br />S-8
<br />1,931
<br />1,931
<br />16.3
<br />118
<br />10
<br />280 1
<br />81
<br />Hold Down Forces at Shear Walls
<br />Wall I FMax h
<br />T or C DL Trio dist. TpL or Cps Net T
<br />(=Fxh/b) I T-Toy
<br />Use
<br />HD
<br />Allowable
<br />Force
<br />Ibs
<br />ft
<br />Ib
<br />s
<br />ft
<br />Ib(lb)
<br />(lb)
<br />Shear Walls at Roof Level
<br />S-1
<br />1,023
<br />9.0
<br />1,781
<br />16.0
<br />1.3
<br />167
<br />1,615
<br />HDU2
<br />2,306
<br />S-2
<br />2,210
<br />9.0
<br />2,210
<br />16.0
<br />1.3
<br />505
<br />1,705
<br />HDU2
<br />2,306
<br />S-3
<br />1,643
<br />9.0
<br />924
<br />16.0
<br />1.3
<br />1,638
<br />-714
<br />HDU2
<br />2,306
<br />S-4
<br />1,802
<br />9.0
<br />909
<br />16.0
<br />1.3
<br />2,035
<br />-1,126
<br />HDU2
<br />2,306
<br />S-5
<br />1,347
<br />9.0
<br />1,145
<br />16.0
<br />1.3
<br />717
<br />429
<br />HDU2
<br />2,306
<br />S-6
<br />2,082
<br />9.0
<br />1,086 1
<br />16.0 1
<br />10.8
<br />15,476
<br />-14,390
<br />HDU2
<br />2,306
<br />S-7
<br />4,013
<br />9.0
<br />918 1
<br />16.0
<br />20.9
<br />155,095
<br />-154,177
<br />H5U2
<br />2,306
<br />S-8
<br />1,931
<br />9.0
<br />1,064 1
<br />16.0 1
<br />10.1 1
<br />12,8691
<br />-11,805
<br />HDU2
<br />2,306
<br />
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