DCPREZ-0000-07262 - Laserfiche WebLink

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The eastern two-thirds of the proposed RH-2 Lot(Petition# 7262) consists of rocky slopes of 25%or more,while the balance has Basco (BaD2) silt clay loam soils. Basco soils pose very severe restrictions on septic installations due to the slow permeability of their sublayer. Such soils also pose severe restrictions on dwelling construction due to their erodible nature, low bearing capacity and tendency to shrink and swell. There appears to be an old field road serving this portion of the property,but it is not known how much work would be needed to make this a serviceable driveway. Field verification by a Certified Soil Tester and a qualified engineer may be necessary to determine if this site is suitable for residential use. E. Public, Local Government,And Agency Input Town Board Action As of this writing,the Town of Vermont had not submitted a Town Action Report. However, conversations with the Town Clerk indicate that at its June meeting,the Town Board recommended approval of Petition#7262 with no conditions. The Clerk stated that the applicant had provided a satisfactory engineering analysis of the proposed driveway, but did not know if a suitable area for a septic system had been identified. For Petition#7263 /CUP 1505,the Town Clerk indicated that the Town Board is willing to recommend approval for the two southern lots, but still has concerns about the 14-acre proposed RE-1 lot. The Town will recommend that CUP #1505 have the same conditions as the earlier CUP (#682) currently in effect on the balance of the ski hill. Other County Agency Comments: As of this writing,no other county agency had commented on this proposal. III. CONCLUSIONS A. Summary of major findings: Petition 7262: The Dane County Farmland Preservation Plan and Section 91.77 of the Wisconsin Statutes prohibits the county from rezoning land out of the A-1(ex) exclusive agricultural district that is not suitable for the proposed use. The soils and slopes on this property raise some concerns and there is currently insufficient information available to determine if the proposed 5-acre lot is suitable for residential development. At a minimum,the following additional information would be needed: • a sufficiently detailed site plan; • a certified soil test to determine suitability for an onsite wastewater treatment system; • an erosion control plan that addresses both construction site and ongoing stability, sedimentation and erosion concerns, and; • an engineering appraisal of the feasibility of constructing a home and driveway in this location. 4