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10.56 <br />:ds of <br />staff <br />cubic <br />trict, <br />red in <br />I and <br />iction <br />mits, <br />2, 3, <br />e how <br />owing <br />ition; <br />spe­ <br />lt for <br />ude a <br />posed <br />te or <br />ricts, <br />tates <br />and <br />bare <br />st be <br />and a <br />ible; <br />n and <br />must <br />4-92) <br />§ 10.56 <br />e. Altered areas must be stabilized to <br />acceptable erosion control standards <br />office technical guides of the local soil and wa e <br />districts and the United States Soil Conservation Service; <br />Pxll or excavated material must not <br />be placed in a manner that creates an unstable slope; <br />g. Plans to place fill or excavated <br />material on steep slopes must be reviewe'd <br />continued slope stability and must not create finisned slopes o£ <br />30% or greater; <br />h. Fill or excavated material must not <br />be placed in bluff impact zones; <br />i Any alterations below the Ordinary <br />High Water Level of public waters must first be authorised by the <br />Co^ssioner of the Department of Natural Resources under Minnesota <br />Statutesr Seciton 105.42; <br />j. Alterations of topography must only <br />be allowed if they are accessory to permitted or conditional uses <br />and do not adversely affect adjacent or nearby property; <br />k. Placement of natural rock rip rap, <br />including associated grading of the shoreline and placement ® <br />filter blanket, is permitted if the finished slope does not exceed <br />3 feet horizontal to 1 foot vertical, the landward extent of the <br />rip^T^s within 10 feet of the Ordinary High Water Level, and the <br />height of the rip rap above the Ordinary High Water Level do . . <br />3 feet A rip rap permit shall be obtained per the <br />requirements of Section 10.03, Subdivisions 22, 23 and 24 of this <br />zoning code. <br />6. Connections to Public Waters. Excavations <br />wh*»re the intended purpose is connection to a public water, such as <br />bSirslips^ clnals,^ lagoons, and narbors, are prohibited above the <br />OrdLary High Water Levll. Such excavations below the elevation or <br />the Ordinary High Water Level are subject to approval fJ® <br />Department of Natural Resources and other agencies with <br />concurrent jurisdiction• <br />K. Storm Water Management. The following gexieral <br />and specific standards shall apply in addition to those standards <br />fSund^in Sections 10.55 and 11.41 of the Orono Municipal Code: <br />1. When possible, existing natural <br />drainageways, wetlands, and vegetated soil surfaces must be ^sed to <br />conv^f, store, filter and retain storm water run-off before <br />discharge to public waters. <br />\ <br />ORONO CC 376-16 (2-24-92)