04-19-2004 Planning Packet - Laserfiche WebLink

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ZCK»\'C REGULATIONS f local leil and wattr »}nservatioa districti and sht Unitad Suttt Sod Ccnservatioa Scrvicf. (6) Fill or excavated zaaurlal cuat not be placed la a maoaer that creates an unsta ble slope. (71 Plant to place SU cr excavated material on steep ebpes must be revievred by the dty engineer for continued slope stability and must cat create hnished slopes of S3 percent or greater. (8) Fill or excavated material must net be placed la bluJT impact tones. (9) Any alterations below the ordinary high waUr level of public waters must first be authorized by tha commisaioner of the department of natural resources under Minn. Stat | 103G.246. (10) Alteratbns of topography must only be allowed if they are accessory to permitted or conditional uses and do not adversely affect adjacent or nearby property. (Ill Placement of natural rock riprap, includ ing associated grading of the shoreline and placement of a filter blanket, is per mitted if the (Iniahed slope does not ex ceed three fleet horizontal to one foot ver tical. the landward extent of the riprap is within ten feet of tha ordinary high water level, and the height cf the riprap above tha ordinary high water level does not exceed three feet A riprap permit shall be obtained per the requirements of section 78-969. (f) Excavations where the intended purpose is connection to a public water, such as boat slips, canals, lagoons and harbors, are prohibited above the ordinary high water level Such excavatiens belew the elevation or the ordinary high water level are auhject to approval of the department of natural resources and ether agencies with ccncur- rent Jurisdiction. (Ord. No. 101 2nd scries, f 1(10 56a6XJ)), 2-24- 1992. Ord. No. 127 2nd sexiet, i 8.7-11-1994; Ord. No. 163 2nd series, f 3, 12-8-1997: Ord. No. 171 2nd seriee. ft 2. 4-4-1998) Sec. 78-1287. Stormwater znanagemcat The fcllowing general and ipenfic smndards ihall apply in addition to those standards found in article VIII of th-s chipter and seruoc 82-222; (15 When poiiiblt, esisUng natural drainageways. wetlands and vegcuted soil surfaces most be used to esnvey, store, filter and retain stormwater runeff before discharge tc public watirt (2) A development must be planned and con ducted in a maniur that will minimize the extent of disturbed areas, runoff velocities and erosion potential, and red-uce aad delay runeff volumes. Disturbed areas must be subilized and protected as soon as possible and facilities or roethedi used to retain esdiment on the sits (3) When dcvelcpment density, topegraphie features, and soil and vegeution condi tions are not sufficient to adequately han dle stormwater runoff using natural fea tures and vegetation, various types of constructed facilities, such as diversions, settling basine, ekimming devices, dikes, waterways and pondt esay be used. Pref erence must be given to designs using surface drainage, vegeution. and infiltra tion rather than buried pipes and manmade materials and facilities. (4) When constructed facilities are used to perform water management, documenta- tion must be provided by a registered profeseional ei^ engineer that they are designed and installed consisteot with the field office technical guide of the local soil and water conservation district. (5) New ceastructed stormwater outfalls to public waters must provide for filtering or settling of suspended solids and skim ming cf surface debns befere diKharge. (Ord. No. 101 2nd series, ft 1(19 S6(16xKl). 2-24- 19921 Sec. 78-1288. Hard cover limitations. (a) No hard cover cr impervious surface shall be placed, located or constructed within 75 feet of tha ordinary high water level of any lake cr tributary, except for stairways, lifts, landings and lockboxei as regulated elsewhere in this Code. 8usp. No. 1 CD78:193