If an applicant applies for a permit to do any work mentioned in subsection 12.16.010A, B, or C of this chapter, at the time of filing such application, the applicant also shall file with the engineer a drawing or plat showing the proposed location, size and depth of an excavation, tunnel or bore to be made, the proposed location and elevation above or below the established grade of the centerline of the street, and if below the street, the proposed elevation below the actual surface of the roadway, the character of the street improvement or street betterment, facility or equipment or work to be done as the case may be. (Prior code § 76011)