05-09-1994 Council Packet - Laserfiche WebLink

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Zoning File #1881 April 15, 1994 Page 3 • Methods to minimt7.e soil erosion and to trap sediments before they reach any surface water feature must be used. • Altered areas must be stabilized to acceptable erosion control standards. • Fill or excavated material must not be placed in a manner that creates an ’instable 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% or greater. (30% is approximately a 3:1 slope). • Fill or excavated material must not be placed in bluff impact zones (not a factor here). • Any alterations below the OHW of public waters must be authorized by the DNR (DNR has confirmed no permit required). • Alterations of topography must only be allowed if they are accessory to permitted or conditional uses and do not adversely affect adjacent or nearby property. It appears that with the revision of slopes to 3:1 at the crossing point, these standards and conditions can be met. Staff would anticipate that in order to construct 3:1 slopes, the crossing may have to shift 5-10 ’ westward to avoid filling into the neighboring property to the east. Staff Recommendation Staff recommends approval of the conditional use permit and variance for crossing the creek A suggested hardship for the variance request is that the rear of applicants’ property cannot be suitably maintained and he has litUe use of that property without access to it. Conditions of approval should include: 1 Applicant to obtain a land alteration permit from the City prior to commencing construction. 2. Construction on the driveway and crossing may not commence until the Minnehaha Creek Watershed District has issued a permit. 3 Plan must be revised to include 3:1 finished slopes rather than 2:1 slopes. 4. Appropriate erosion control and site protection measures (i.e. "Best Management Practices") shall be maintained during all phases of construction.