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For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACCELERATED SOIL EROSION. The increased loss of the land surface that occurs as a result of human activities.
ACCEPTABLE EROSION AND SEDIMENT CONTROL PROGRAM. The activities of a county or local enforcing agency or authorized public agency that are conducted in accordance with the rules and part 91 (M.C.L.A. §§ 324.9101 et seq.) regarding staff training, developing and reviewing plans, issuing permits, conducting inspections and initiating compliance and enforcement actions to effectively minimize erosion and off-site sedimentation.
AUTHORIZED PUBLIC AGENCY. A state agency or an agency of a local unit of government authorized under § 9110 of part 91 (M.C.L.A. §§ 324.9101 et seq.) to implement soil erosion and sedimentation control procedures with regard to earth changes undertaken by it.
CERTIFICATION OF COMPLETION. A signed certificate issued by the City Engineer that the specific construction has been inspected and found to comply with all approved soil erosion and sedimentation control plans and specifications and requirements of this chapter.
CITY ENGINEER. The City Engineer of the city or his or her duly authorized and designated representative in the Department of Engineering and Building.
EARTH CHANGE. A human-made change in the natural cover or topography of land, including cut and fill activities, which may result in or contribute to soil erosion or sedimentation of the waters of the state. EARTH CHANGE does not include the practice of plowing and filling for crop production.
EROSION. The process by which the ground surface is worn away by action of wind, water, gravity or a combination thereof.
EXCAVATION or CUT. Any act by which soil is cut into, dug, uncovered, removed, displaced or relocated, and shall include the conditions resulting therefrom.
FLOODPLAIN. The area which would be inundated by storm run-off or flood water equivalent to that which would occur with a rainfall or flood of 100-year recurrence frequency after total development of the watershed.
GRADING. Any stripping, excavating, filling, stockpiling, or any combination thereof, and shall include the land in its excavated or filled condition.
LAKE. The Great Lakes and all natural and artificial inland lakes or impoundments that have definite banks, a bed, visible evidence of a continued occurrence of water and a surface area of water that is equal to, or greater than, one acre. LAKE does not include sediment basins and basins constructed for the sole purpose of storm water retention, cooling water or treating polluted water.
MUNICIPAL ENFORCING AGENCY. The City of Wyandotte Department of Engineering and Building.
NON-EROSIVE VELOCITY. The surface water velocity which is not conducive to the development of accelerated soil erosion.
PERMANENT SOIL EROSION AND SEDIMENTATION CONTROL MEASURE. Those control measures which are installed or constructed to control soil erosion and sedimentation, and which are maintained after project completion.
SEDIMENT. Any solid particulate matter, mineral or organic that has been deposited in water, is in suspension in water, is being transported or has been removed from its site of origin by the process of soil erosion and deposited elsewhere.
SOIL EROSION AND SEDIMENTATION CONTROL (SESC) PERMIT. A permit issued to authorize work to be performed under this chapter.
STABILIZATION. The proper placing, grading and/or covering of soil or rock to ensure their resistance to erosion, sliding or other movement.
STREAM. A river, creek or other surface watercourse which may or may not be serving as a drain as defined in Public Act 40 of 1956, as amended, being M.C.L.A. §§ 280.1 et seq., and which has definite banks, a bed and visible evidence the continued flow or continued occurrence of water, including the connecting waters of the Great Lakes.
STRIPPING. Any activity which removes or significantly disturbs the vegetative surface cover, including clearing and grubbing operations.
TEMPORARY SOIL EROSION AND SEDIMENTATION CONTROL MEASURES. Interim control measures which are installed or constructed to control soil erosion and sedimentation and are not maintained after project completion.
(Prior Code, § 16-3) (Ord. 1311, passed 3-16-2009)
No site plan, plot plan or plat shall be approved unless said site plan, plot plan or plat shall include soil erosion and sediment control measures consistent with the requirements of this chapter and related land development regulations.
(Prior Code, § 16-4) (Ord. 1311, passed 3-16-2009)
No certificate of occupancy for any new building will be issued unless the applicant for said certificate shall have obtained a certification of completion indicating compliance with all soil erosion and sedimentation control plans and specifications and completion of all permanent soil erosion control measures.
(Prior Code, § 16-5) (Ord. 1311, passed 3-16-2009)
(A) Any earth changes shall be conducted in such a manner which will effectively reduce accelerated soil erosion and resulting sedimentation.
(B) All persons engaged in earth changes shall design, implement and maintain acceptable soil erosion and sedimentation and control measures, in conformance with part 91 (M.C.L.A. §§ 324.9101 et seq.), the rules and regulations which may have been duly adopted for the purpose of reducing accelerated soil erosion and off-site sedimentation.
(C) All earth changes shall be designed, constructed and completed in such a manner which shall limit the exposed area of any disturbed land for the shortest possible period of time.
(D) Sediment caused by accelerated soil erosion shall be removed from runoff water before it leaves the site of the earth change.
(E) Any temporary or permanent facility designed and constructed for the conveyance of water around, through or from the earth change area shall be designed to limit the water flow to a non-erosive velocity.
(F) Temporary soil erosion and sedimentation control measures shall be installed before or upon commencement of the earth change activity and the measures shall be maintained on a daily basis. Temporary soil erosion control measures shall be removed after earth change areas are stabilized and permanent soil erosion control measures are installed. The area shall be stabilized with permanent soil erosion control measures under approved standards and specifications as prescribed by R 323.1710.
(G) Permanent soil erosion control measures for all slopes, channels, ditches or any disturbed land area shall be completed within five calendar days after final grading or the final earth change has been completed. When it is not possible to permanently stabilize a disturbed area after an earth change has been completed or where significant earth change activity ceases, temporary soil erosion control measures shall be maintained until permanent soil erosion control measures are implemented and the area is stabilized.
(Prior Code, § 16-6) (Ord. 1311, passed 3-16-2009)
Persons carrying out soil erosion and sediment control measures, and all subsequent owners of property concerning which such measures have been taken shall maintain all permanent erosion and sedimentation control measures.
(Prior Code, § 16-7) (Ord. 1311, passed 3-16-2009)
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