1143.11 GRADING AND DRAINAGE PLANS REQUIRED.
   (a)    Grading and drainage plans shall be submitted with each application for a development permit. The results of all hydrologic and hydraulic studies including the 100 Year Flood Contour Elevation shall be clearly shown on all site plans where applicable. In addition, a soil investigation report to evaluate possible drainage and erosion problems may be required at the option of the City Engineer where he feels that unstable slopes or other site conditions warrant such study.
   (b)    All lots shall be graded in such a manner that storm water shall drain therefrom and there shall not be any undrained depressions. Grading shall be accomplished in such a manner that it shall not obstruct the natural drainage of adjoining and adjacent properties to the subdivision.
   (c)    Wherever possible, with exceptions being made where the topography of an area does not permit such grading practice, or where other drainage ways are provided, lots shall be graded from the rear lot line to the street. Where a lot abuts directly on two streets, the grade shall be from the corner of the lot which is diagonally opposed to the corner of the two streets on which the lot abuts. This regulation is included in a desire to reduce the amount of water standing in yards to minimum. Therefore, where it is not possible to grade a lot in the prescribed manner, the owner or developer shall provide for the adequate drainage of any and all low areas and tie such drainage into and make it a part of the storm sewer of the development and the City, as directed by the City Engineer, with approval of such drainage subject to inspection by the City Engineer, along with the inspection of other storm sewer installation.
(Ord. 81 (82-83). Passed 12-16-82; Ord. 280(00-01). Passed 12-6-01.)