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Subdivisions shall be planned to take advantage of the topography of the land in order to utilize the natural contours and economize in the construction of drainage facilities, reduce the amount of grading and minimize destruction of trees and topsoil. The natural features and other distinctive characteristics of the site shall be integrated into the plan to create functional variations in the neighborhoods. Topographic maps shall be utilized in the land planning.
(a) Streets and Topography. Land which is relatively flat or of very gentle slopes shall be planned so that the streets follow the natural drainage courses, and as many lots as possible shall be above the street grade. On more irregular topography, streets shall be designed to avoid extensive cuts and fills and follow the ridges, or planned approximately parallel to contour lines, adjusted, however, so that lots on one side of the street will not be excessively below the street grade. Where it may be necessary, because of limitations of site dimensions to plan streets approximately perpendicular to the contour lines, more extensive grading shall be required.
(b) Natural Drainage. Subdivisions shall be designed, particularly on land of very gentle slopes, to take every advantage of natural grades so that all the land can be drained without excessive grading. Unless watercourses or drainage ways are enclosed, the plan shall be adjusted so that rear lot lines are approximately parallel to the natural or straightened course, and only where such a plan is not possible may side lot lines be arranged parallel to an open drainage course. Easements for drainage ways and low-lying land which is subject to flooding may not be included in calculating the required lot area or width.
(c) Natural Features. Natural features, irregularities, changes in level, brooks, lakes, hilltops and other focal points within the site, and distant views outside the subdivision, shall be integrated in the design to obtain natural variations and interest in each neighborhood and more attractive building sites. Trees, topsoil and other natural resources shall be preserved and utilized in the development of the subdivision.
(Ord. 1962-8. Passed 2-21-62.)