1993 003 Ordinance - Laserfiche WebLink

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(5) Early Completion. The overall drainage system shall be completed and made operational at the earliest passible time during construction. (6) Impart on Adiacent Propperty. Natural or usual flow of surface or subsurface water shall not be altered or obstructed in any way by grade changes that may adversely affect the property of another by either contributing to pooling or collection of waters, or to the concentration .or intensification of surface water discharge. However, construction of which might otherwise be prohibited hereinabove may be allowed if such waters are safely and adequately drained in a nonerosive manner by a pipe or other approved manner to a storm sewer or to a channel at the bottom of a ravine or steep slope. e) Hvrirnlnoiral Control Plan. A hydrological control plan, prepared by a registered Professional Civil Engineer or Landscape Architect shall be submitted with each application for a Hillside Protection Permit. This p]an shall include the following: (1) H ~ra1 as i s I nventorv. A reasonably detailed description of A) The direction of flow within the local drainage basin; B) A11 natural drainage channel directed toward and away from the site within 50 feet of the perimeter of the site; C) Other natural drainage-ways which may affect or be affected by the proposal; and Q) Any future realignment of the natural ravine channel. (2) Special Notations. Special notations shall be included highlighting details of the terrain, existing natural surface drainage- and areas sub,~ect to seepage or spring flow. (3) Proposed Facilities. The location of all surface and subsurface drainage devices and protective measures to be installed as part of the proposed .development, together with a statement concerning ariy active erosion accurri ng at the outlet of existing or proposed systems. 7