06-12-2002 Council Agenda - Laserfiche WebLink

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to 1.) In cases where cooperation is withheld, construction stop orders may be issued by the city, until erosion and sediment control measures meet specifications. A second erosion and sediment control /grading inspection must then be scheduled and passed before the final inspection will be done. T.) Removal of more than one (1) acre of topsoil during the life of the project shall not be done, unless written permission is given by the city engineer. Excessive removal of topsoil can cause significant soil erosion problems. 1J.) Inspection and maintenance. All storm water pollution control management facilities must be designed to minimize the need of maintenance, to provide easy vehicle and personnel access for maintenance purposes and be structurally sound. These facilities must have a plan of operation and maintenance that ensures continued effective removal of the pollutants carried in storm water runoff. The city or its designated representative shall inspect all storm water management facilities during construction, during the first year of operation and at least once every _ (, years thereafter. The city will keep all inspection records on file for a period of _ (� years. 1.) Inspection and maintenance easements. It shall be the responsibility of the applicant to obtain any necessary easements or other property interests to allow access to the storm water management facilities for inspection and maintenance purpose. 4.7 Permanent Storm Water Pollution Controls. A.) The applicant shall either install, construct, or pay the city fees for all storm water management facilities necessary to manage increased runoff, so that the discharge rates from storm water treatment basins, such that the predevelopment (2) year, ten (10) year, and one hundred (100) year peak storm discharge rates are not increased. These predevelopment rates shall be based on the last ten (10) years of how that land was used. Accelerated channel erosion must not occur as a result of the proposed land disturbing or development activity. An applicant may also make an in -kind or a monetary contribution to the development and maintenance of community storm water management facilities designed serve multiple land disturbing and development activities undertaken by one or more persons, including the applicant. 1.) All calculations and information used in determining these peak storm discharge rates shall be submitted along with the storm water pollution control plan. B.) The applicant shall consider reducing the need for storm water management facilities by incorporating the use of natural topography and land cover such as natural swales and depressions as they exist before development to the degree that they can accommodate the additional flow of treated (e.g., settled) water without compromising the integrity or quality of the wetland or pond. (Commentary: The sensitivity of a wetland to degradation varies with the type of vegetation. Sedge meadows, open bogs and swamps, coniferous bogs,