. . . "Out of those buildings, there were a number where snow had to be shovelled off the roof to give staff access to roof equipment. ???On some buildings there was an accumulation of snow between five to eight feet,??? said Specht. ???At the same time, city staff looked for plugged roof drains and found that some drains were blocked by ice and debris.??? About 30 staff worked on the inspections, includ" .