A. All changes in the plans, grades, timing, or extent of work shall be submitted to the director of public works for written approval and incorporation into the permit before any change in the work is commenced. The director of public works may amend the permit to approve such changes, if appropriate, or may deny approval of such changes.

B. Failure to obtain prior approval for any change in the work shall be cause for the suspension of the permit until approval is obtained, and may result in the revocation of the permit if such changes are deemed to be hazardous to adjoining properties or to the public at large.