From: Effect of alternative load path design method on preventing progressive collapse and reducing the rehabilitation cost using FEMA-P58
Correction Factors For Story Drift Ratio
a0
a1
a2
a3
a4
a5
6th Floors
0.75
-0.044
-0.010
-2.58
2.30
0
9th Floors
12th Floors
0.67
-0.098
-1.37
1.71
-0.57
15th Floors