2016-096 Ordinance - Laserfiche WebLink

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EXHIBIT A: EXISTING CHAPTER 927 Storm Water Management and Urban 660 Sediment Pollution Abatement Svstems (2) The stone bed shall be located a minimum of twenty feet (20') from any building or ten feet (10') from any property line or sanitary sewer easement. (3) An approved filter fabric shall cover the top and sides of the stone bed. (4) The required volume of the stone bed shall be calculated using approved terms for coefficient of runoff, drainage area, storm intensity and time of concentration. The porosity ratio shall be 0.33 to figure net volume from the gross volume. (5) An observation well shall be required for inspection purposes. The location and diameter shall be approved by the Engineering Division. The observation well shall be as dee pp as the deepest part of the stone bed. Perforated pipe may be approved for use in an observation well. (6) The infiltration basin shall have a sump pump to discharge excess water to an approved storm sewer or ditch. (c) All storm water flow from the proposed development, including flows from upstream areas passing through, and further including increased flow attributable to changes in time of concentration or changes in the former runoff factor (imperviousness), shall be conveyed to the proper storage facility end outlet for the entire tributary area via a natural channel or pipe/culvert either or both of which shall be improved so as to be of adequate capacity. (d) One foot of freeboard shall be provided in wet ponds above the 100 -year storm water level. (Ord. 2012-76. Passed 10-23-12.) 927.08 MAINTENANCE. (a) Any portion of the drainage system and storage facilities that is constructed by the developer will be continuously maintained by the owner or owners. The developer shall cause the maintenance obligations to be inserted in the chain of title to the affected lands as a covenant running with the land. Such easement shall provide for and require the owner to perform such maintenance and shall also permit access and grant right of entry to the City Engineering Division to perform inspection thereof. The requirements set forth in this section shall be in addition to the requirements imposed by Chapter 928. (b) The Planning and Design Commission and the City Engineering Division may restrict the planting of trees, shrubbery or plantings with woody growth characteristics, and against the construction therein of building, accessory buildings, fences, walls or any other obstructions to the free flow of storm water or where such may hinder the maintenance of storm water control structures. (c) "The owner of the stormwater storage facility is charged with the duty of inspecting the system on an annual basis. An inspection report certified by a registered professional civil engineer shall be furnished to the City Engineering Division each year. The City Engineer shall, upon failure or refusal by the owner to perform or issue such inspection report, send notification that the City Engineering Division may conduct such inspection pursuant to either the owner's written consent, or the City's exercise of right of entry granted by easement, or, if necessary, an administrative search warrant obtained from a court of competent jurisdiction, which warrant is hereby authorized to issue to enforce any provision of this Chapter.