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18.091.2 Removal or alteration of vegetation is allowed subject to the following standards: 1) Intensive vegetation clearing within the shore and bluff impact zones and on steep slopes is not allowed. Intensive vegetation clearing outside of the impact zones is allowable as a conditional use if an erosion control and sedimentation plan is developed and approved by the Ramsey County Soil and Water Conservation District. 2) In shore and bluff impact zones and on steep slopes, limited clearing of trees and shrubs and cutting, pruning, and trimming of trees may be allowed to provide a view to the water from the principal dwelling site and to accommodate the placement of lawns and new vegetation, stairways and landings, picnic areas, access paths, beach and watercraft access areas, and permitted water-oriented accessory structures or facilities, provided that the screening of structures, vehicles, or other facilities as viewed from the water, assuming summer, leaf-on conditions, is not substantially reduced; and 3) The above provisions are not applicable to the removal of trees, limbs, or branches that are dead, diseased, or pose safety hazards. 18.091.3 Connections to public waters. Excavations where the intended purpose is connection to a public water, such as boat slips, canals, lagoons, and harbors, shall be controlled by 18.090 of this code. Permission for excavations may be given only after the Commissioner has approved the proposed connection to public waters and other needed approvals have been obtained. 18.093 (Reserved) 18.094 (Reserved) 18.095 Storm Water Management. The following general and specific standards shall apply to all developments within the City of Roseville. 18.095.1 Storm Water Management General Standards: 1) When possible, existing natural drainageways, and vegetated soil surfaces shall be used to convey, store, filter, and retain stormwater runoff before discharge to public waters. 2) Development shall be planned and conducted in a manner that will minimize the extent of disturbed areas, runoff velocities, erosion potential, and reduce and delay runoff volumes. Disturbed areas shall be stabilized and protected as soon as possible and facilities or methods used to retain sediment on the site. 3) When development density, topographic features, and soil and vegetation conditions are not sufficient to adequately handle storm water runoff using natural features and vegetation, various types of constructed facilities such as diversions, settling basins, skimming devices, dikes, waterways, and ponds may be used. Preference shall be given to designs using surface drainage, vegetation, and infiltration rather than buried pipes and man-made materials and facilities. 25