No person shall operate a snowplow within the City of Amsterdam
without first obtaining a permit therefor from the City Clerk.
All public and private buildings which shall be built upon or
within 15 feet of the building line of a public sidewalk, street,
avenue or land used as such, and the roof of which shall be pitched
or slanted toward the street, etc., shall be provided with a snow
guard which will retain the snow on the roof.