Any grading which changes site elevation by more than three (3) feet, or the
of
for the
, removal,
or depositing of any type of earth material, topsoil, gravel, rock, garbage, rubbish or other wastes or by-products, is not permitted in any zoning
except under a certificate from, and under the supervision of the
in accordance with a topographic plan, approved by the
, submitted at a scale of not less than one (1) inch equals fifty (50) feet and
show existing and proposed grades and topographic features and such other data as
from time to time be required by the
. Such certificate may be issued in appropriate cases upon the filing with the application of a Performance or Surety Bond in an amount as established by the
sufficient to rehabilitate the
upon default of the operator or such other reasonable expenses. The form of the bond shall be approved by the City Attorney. This regulation does not apply to normal soil removal for
or foundation work when a building permit has previously been duly issued by the Building Department.