scaffold cable supportFrom: GR 
Date: Thursday, August 21, 2008
Time: 6:35:40 AM
Remote Name: 22.214.171.124
How to know if a tank will require this scaffold, is it per client specification or standards and what type/size of roof will require this? The location of these scaffold is it at the center of the roof , or can be offset for tank vent?
Thanks for additional info,