No person shall, without first obtaining a permit
from the City Engineer, put, place or throw any brick, stone, earth,
sand, gravel, paper, lumber, wood, coal, ashes, chips, shavings, broken
glass, leather, cloth, hair, scraps, vegetables, fruits, refuse or
rubbish upon any part of the public streets, alleys, footways, sidewalks,
pavements, crossings, gutters, drains or sewers of the City or cause
the same to be done or knowingly permit it to be done.