No person shall dig into or across curbing adjacent to the premises
owned or occupied by him or adjacent to any other premises or cause
the same to be done, nor shall any person remove, demolish or change
the grade of any curbing adjacent to the premises owned or occupied
by him or adjacent to any other premises or cause the same to be done
until the owner or occupant thereof shall have obtained the permission
of the Mayor, in writing, which permission shall state the purpose
for which said digging, demolishing, removing or changing the grade
is to be done, and such person, after obtaining such permission and
after such digging, demolishing, removing or changing, shall put the
curbing in as good condition as it was before and to the satisfaction
of the Mayor.