03/27/2002 Env Bd Packet - Laserfiche WebLink

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and address a plan for no- change, or restoration. Escrow dollars should be allocated for restoration. There are a number of oak trees on the South side of the development and one on the North. There would be no tree Toss as a result of this project. Although a fence area is shown around the tree areas on the site, a more detailed description of tree preservation should be submitted. This could be part of the sequencing plan and should state no traffic, or material stockpiling in these areas, and avoidance of utility installation in these areas. Fences must be placed at a distance from the trees equal to one -foot radius for each inch of tree trunk diameter measured at 4.5 feet above the ground. All in these areas and fencing should be up before soil disturbance and remain in place throughout the construction process. Sequencing should also define an area for construction and concrete truck cleanup, and define responsibility for clean up after the last house is completed. The plan should also state specifically a time when all silt and tree preservation, and soil preservation fence will be removed. Escrow dollars should be received for assurance. A cattail marsh encroaches from the west on the North West Side of the development. This cattail marsh is surrounded by a Historic Oak Savanna to the North/West/South, but only abuts up to the East property line of the proposed plat. To the West of the Oak Savanna is a Shrub thicket area, mixed into an area that is typical of the fen area (although this one is highly disturbed with mostly reed canary grass) to the North of Lino Lakes Elementary. There should be care taken to ensure that no changes to the surface or ground water occurs in the area to the west of Stoneybrook. The oak savanna may be impacted by such changes and there may be opportunity to restore the wetland areas in the future if surface and ground water changes do not occur. Figure 3. A Lake Protection Zone covers the SE comer of the property. This zone surrounds Lake Amelia. A Zone -2 Protection Area is included in the marsh area on the North and West Side of the property. This zone changes to Zone -1 immediately to the West. Figure 4. This area is the Eastern portion of the oak savanna and wetland complex in Figure 3 /Figure 4. Buffering/and no changes to ground water or surface water should be allowed in this area. A landscape screening plan should be submitted for along Birch Street. Plant materials should be sufficient to meet P&Z standards, be native, planting zone 3 hardiness, meet American Nurseryman Standards, have a one -year guarantee, and be site suitable. City Staff must approve a plan. Escrow dollars should be acquired for assurance. This proposed plat is presently under review with the Rice Creek Watershed District. A suggestion has been made to the developer to inform the Vadnais Lake Watershed District of the small area involved in their District on the South side of the property. The only "greenway" consideration in this area is confined to more of a trail/connection area that has been proposed on the Waterworks Pipeline easement on the Eastem Edge of the property.