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Stephen D. Towle May 23, 2005 Page 2 2. MnDOT is acquiring the most buildable portion of the site,those areas above elevation 986'near the mid-point of the 9 acres,as well as the north-facing wooded slopes in the north half of the property. The remaining available areas meeting the required 100'front and rear and 50'side setbacks from the final lot lines,are generally at elevation 984'or lower,no more than 4'higher than the apparent wetland elevation,and with soils mapped as Hamel Loam,a relatively wet organic ----___ ._._. -----seil:��ai�r�g�d��l-o�3r��a�l3��o�di�civ�tc��ve�c��g-a.�e��-��t----.._ --------- unless fill is brought to the site, and the need for soil replacement is a possibility. 3. The most likely area for a house to be built is east of the tested and approved mound septic system drainfield sites. The 20'setback for structures and impervious surfaces from these sites,when considered in conjunction with the boundaries of the drainage easements,leaves only anaxrow corridor along the north lot boundary for installation of a driveway uphill from the mound sites. 4. The mound sites are within 30-50'of the temporary construction easement to be obtained by MnDOT. Protection of these sites from errant construction traffic(both from MnDOT construction and home construction)is of the utmost importance,because any vehicular traffic over these sites, evenby one vehicle on one occasion,could render them unusable. Further,the fact that these sites are near the base of the south-facing highway slope,will require extra caution in site grading design to ensure that runoff from that slope is directed away from the mound sites. Attached is a sketch compiling the available site information onto a single site plan for analysis purposes, as well as an excerpt map section from the Hennepin County Soil Survey.The MnDOT acquisition will leave you with a property that requires a lot area variance in order to construct a residence(no guarantee of approval,although such variances have been granted on occasion for pre-existing substandard lots in the 5-acre zone),and which has a number of constraints that will significantly limit site layout flexibility as compared to the property in the"before" condition. Please feel free to contact me at 952-249-4600 if you have any questions. Sincerely, � � Michael P. Gaffron Planning Director encl.