02-23-2004 Council Packet - Laserfiche WebLink

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ZONING RKGUl^TIONS f 7S-I»8 local soil and water conservation districts and the United States Soil Conservation Service. Fill or excavated material must not be placed in a manner that creates on unsta ble slope. Plans to place fill or excavated material on steep slopes must be reviewed by the city engineer for continued slope stability and must not create finished slopes of 30 percent or greater. Fill or excavated material must not be placed in bluff impact zones. Any alterations tielow the ordinary hip.li water level of public waters must first be authorized by the commissioner of the department of natural resources under Minn. Stnt. 5 103G.245. (10) Alterations of topography must only l>o allowed if they are accessory to permitted or conditional uacs and do not adversely alTecl adjacent or nearby properly. (P ) Placement of natural rock riprap, includ ing associated grading of the shoreline and placement of a filter blanket, is per mitted if the finished slope does not ex ceed three feel horizontal to one foot ver tical, the landvv.ird extent of the riprap is within ten feel of the ordinary high water level, ami the height of the riprap above the ordinary high water level does not exceed throe feet. A riprap permit shall be obtained fH*r the requirements of section 78-969. (0 Kxcavations where the intended purpose is connection to a public water, such as boat slips, canals, lagoons and harlwrs. are prohibited above the ordinary high water level Such excavations 1k ?I ow the elevation or the ordinary high water level are subject to approval of the department of natural resources and other agencies with concur rent juri.sdiclion. (Ord. No. 101 2nd series. § 1(10.56(16XJ)). 2-24- 1992; Ord. No. 127 2nd series. 9 8.7-11-1994; Ord. No. 163 2nd series, 5 3, 12-8-1997; Ord. No. 171 2nd series, § 2, 4-4-1998) Sec. 78-1287. Stormwater management. The following general and specific standards shall apply in addition to those standards found in article VIII of this chapter and section 82-222: (1) When possible, existing natural drainageways. wetlands and vegetated toil surfaces must be used to convey, store, filter and retain stormwater runoff before discharge to public waters (2) A develupmeni must be planned and con ducted in a manner that will minimize the extent ofdisturbed areas, runoff velocities and erosiiui potential, and reduce and dehay runoff volumes. Disturbed ar<»a.s must lx» stabilized and protected as soon a.< po-isible and facilities or methods used to retain sediment on the site. (3) Wlien development density, topographic features, and soil and vegetation condi tions are not suflicient to adequately han dle stormwater runoff using natural fea tures .niul vegetation, various types of con-tructed facilities, such as diversions, settling basins, skinuning devices, dikes, waterways and ponds may be used. Prtf- ereiici* must be given to designs using surface drainage, vegeiation. and infiltra tion rather than buried pi|>es and manmade materials and facilities. 14) When constructed facilities are used to perform water manajjeiixMU, docuinenta* lion must be providi'il li> a registon^l professional civil engineer that they nre desigiifd and installed consistent witli the field ofllce technical guide of the local soil and water conservation district. (5) New constructed stormwater outfalls to public waters must provide for filtering or settling of suspended solid.s and skim ming of surface debris before discharge. (Ord No. 101 2nd scries, ft l( 10 .'»«• KiMK)). 2-24- 1992) See. 78-1288. Hard cover lirailulions. (a) No hard cover or impervious .surf-ire shall be placed, located or constructed within T j fietof the ordinary high water level of any l«*V» or tributary, except for stairways, lifts, landings and lockboxes as regulated elsewhere in this Code. Siipp No 1 CD78:193