If the civil engineer, the soils engineer, or the engineering geologist of record is changed during grading, the work shall be stopped until the replacement has agreed in writing to accept their responsibility within the area of technical competence for approval upon completion of the work in compliance with approved plans. It shall be the duty of the applicant or owner to notify the director or city in writing of such change prior to the recommencement of such grading. (Ord. 1499 § 10 (Exh. H), 2021).