03-09-1998 Council Packet - Laserfiche WebLink

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r #2341 - Dan Anderson March 6, 1998 Page 4 Septic Testing and Site Availability Steve Weekman has confirmed that all lots have viable primary and alternate sites, and that future testing would be needed to confirm whether less costly trench systems can be used on certain sites where mounds are now acceptable. Actual system designs for each lot have not been submitted, and they will be required prior to final plat approval. Bluff Impacts Lots 5 and 6 contain a bluff, and the 'top of bluff was defined by staff during the sketch plan review. A 30 ’ setback from top of bluff is required for any structures, and fill or excavated material is not allowed to be placed within the bluff impact zone. The top of bluff as depicted in the preliminary plat for Lot 5 does not match the top of bluff location identified by staff, and top of bluff actually is very near the proposed house location on Lot 5. Lot 5 has a very restrictive building site due to the street setback and top of bluff setback requirements. This lot appears to be the least flexible of the lots in regards to house placement. The top of bluff needs to be accurately depicted for Lot 5 on a revised version of the final plat drawings, for future reference. Tree and Woodland Impacts: Easement Proposed Tree lines and wooded areas are shown on the topographic background map (See Exhibit 1 of Sketch Plan memo). Most of the wooded areas are near the shoreline or along the west property boundary. The dense woods along the shoreline will be under tremendous pressure. We could expect that individual homeowTiers will want to establish views of the lake from their new homes, by thinning the woods or creating open corridors to the lake. Such changes in the nature of the shoreline landscape would be unfortunate in the context of this virtually untouched arm of Maxwell Bay. The tree preser\'ation ordinances currently in place would disallow cutting any 6" or larger diameter tree within 75' of the shoreline, and prohibit 'intensive vegetation clearing' within 75' of the shoreline, on steep slopes and in the bluff impact zone. During the sketch plan review. Planning Commission agreed that it would be appropriate to require that some type of 'tree conservation easement’ be specifically developed for this site. This would appear to be possible under the provisions of Section 11 .60, Subd. 1 . The developer should also be required to plant boulevard trce.s along all roads per the subdivision code requirements. A draft Tree, Woodland and Vegetation Preservation Easement is attached for council review and comment.