(a) All lots shall be graded so that all storm water will drain therefrom. Such grading shall not cause ponding on properties adjacent to the plat, add areas of storm water runoff nor provide points of extreme concentration on them not existing prior to the proposed development.
(b) The basement or other floor elevation shall be at a minimum elevation of one foot above the estimated high water level of any area affected or likely to be affected by the flooding of public watercourses. Such elevations shall be a matter of public record and recited on the final plat. Compliance with this section shall be a condition of obtaining building and occupancy permits.
(Ord. 25-70. Passed 5-4-70.)
(c) Elevations shall be indicated on the plat at lot corners and elsewhere to assure that storm water drains away from the house and lot to a storm sewer and ditch pertaining to the subdivision. The plat should also contain the following recitation: The minimum ground elevation at the top of foundation shall be no less than ten inches higher than the average of elevations shown at the street right-of-way line. The location and elevation of a permanent bench mark shall be indicated on the plat. The Planning Commission may, upon receipt of a petition from affected property owners, grant a variance of the elevations of the lot corners and/or lower the minimum ground elevation at the top of the foundation so long as the foregoing drainage regulations are not violated in principle. The owners of lots so petitioning shall record such approved changes and file copies of the instrument with the secretary of the Planning Commission and the Director of Public Service of the City.
(Ord. 2-71. Passed 1-4-71.)