In 7-16 a factor of 2.0 has been removed from the design ice thickness (10.4-5) that was there in 7-10 (10.4-5). Also, the importance factor was reduced from 1.25 to 1.15 for a RC III structure in 7-16. I know the maps have been updated for a 500 year recurrence interval rather than 50 .In some...