Hi Troy
Hi Z.G
Please get the link for this pdf file
this file show u step by step seismic load by ubc
But still scale factor without solution by robot
as I told before we can generate a new combination and multiply the seismic load by the required scale factor
Hoping it will be useful
http://www.4shared.com/file/QoEHcxiR/ToTroyAndZG.html