The permittee or his agent shall notify the city official when the grading operation is ready for final inspection. All work including installation of all drainage facilities and their protective devices and all erosion control measures must be completed in accordance with the final approved grading plan and the required reports approved by the city official before final approval of the grading permit is given by the city official. He may approve the grading work prior to completion of all work in special cases of extreme hardship and if no hazard exists and an adequate bond is posted to assure completion of all remaining work. (Ord. 48, 1990)