Any and all work performed under a valid, current and issued encroachment permit shall comply with the approved encroachment permit, including all conditions, exhibits, standard specifications and other related documents and no changes or alterations shall be made in the location, dimension, character, standard or other relevant component of the encroachment without prior, written authorization from the director. Any proposed revision shall be submitted to the department in written or sketch form by the owner and/or permittee. Any revision approved by the director shall become effective 24 hours after execution of written authorization by the director. (Formerly 35.16)