(1) General requirements.
(a) When a subdivision is traversed by a watercourse, drainageway, channel or stream, a storm water easement or drainage right-of-way shall be provided granting or dedicating to the town said area in an amount conforming substantially to the lines of such watercourse, and of such width and construction as will be adequate for the purpose of accommodating drainage and providing for the maintenance of the right-of-way.
(b) Wherever possible, it is desirable that the drainage be maintained as an open channel with landscaped banks and adequate width for maximum potential volume of flow.
(c) All storm water easements and drainage rights-of-way which are to be dedicated to the town on the secondary plat shall use the following language: “All storm water easements and drainage rights-of-way shown on this plat are hereby dedicated to the Town of Plainfield, Indiana”.
(2) Drainage easements.
(a) Where topography or other conditions are such as to make impractical the inclusion of drainage facilities within street rights-of-way, perpetual, unobstructed easements for drainage facilities measuring at least 15 feet in width shall be provided across property outside of street right-of-way lines. All drainage easements shall provide access to a public street. Drainage easements shall extend from the street to a natural watercourse or to other drainage facilities.
(b) The subdivider shall dedicate, either in fee or by drainage or conservation easement to the town, land on both sides of existing watercourses of a width to be determined by the Plan Commission and, in the case of legal drains, by the County Drainage Board.
(c) When a proposed drainage system will carry water across private land outside the subdivision, appropriate drainage rights satisfactory to the Plan Commission shall have been secured and indicated on the secondary plat.
(d) Low-lying land along watercourses subject to flooding or overflowing during storm periods, whether or not included in areas for dedication, shall be preserved and retained in their natural state as drainage ways. Such land or lands subject to periodic flooding shall not be counted in satisfying the minimum yard or lot area requirement of the Town Zoning Ordinance.
(e) All drainage easements shall be indicated on the secondary plat and which are to be dedicated to the town shall use the following language: “All drainage easements shown on this plat are hereby dedicated to the Town of Plainfield, Indiana”.
(Ord. 22-97, passed - -1997; Ord. 4-2000, passed - -2000)