The operator or operators shall file with the City a detailed plan for the restoration of the development area which shall include the anticipated future use of the restored land, proposed final topography indicated by the contour lines of not greater interval than five (5) feet, steps which shall be taken to conserve topsoil; the type and number per acre of trees or shrubs to be planted; and the location of future roads, drives, drainage courses and/or other improvements to be made by a definite date.
The restoration plans shall be filed with and approved by the City before quarrying or removal operations begin. The plans shall be certified by a soil or geology engineer. In restoration, no filling operations shall be permitted which will likely result in contamination of ground or surface water or soils, through seepage of gases into surface or subsurface water or into the atmosphere. The proposed plan shall be submitted to and approved by the Department of Natural Resources.
The operator or operators shall file with the Board of Aldermen a bond or other surety payable to the City and conditioned on the faithful performance of all requirements contained in the approved restoration plan. The rate per acre of property to be used of the required bond shall be submitted to and reviewed by the City Engineer. The bond shall be released upon written certification of the City Engineer that the restoration is complete and in compliance with the restoration plan.