01-12-1987 Council Packet - Laserfiche WebLink

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�1. , .- /, q : O Chi r To: Mary Butler, Mayor Mark E, Bernhardson, City Administrator Orono Council Members From: Michael P. Gaffron, Asst Planning & Zoning Administrator Date: December 5, 1986 Subject: #1093 P & A Investment (Scott Powell, John Adams), 1380 Sixth Avenue North - Preliminary Subdivision - Resolution List of Exhibits Exhibit A - Memo & Exhibits of 11/13/86 Exhibit B - Planning Commission Minutes of 11/17/86 Exhibit C - Sketches Regarding 1) Drainageway; 2) Access Options Application - 4-Lot Plat With Private Road: This is a request to subdivide a 9.8 acre parcel on the north side of County Road 6 into 4 building sites each at least 2 acres in area. Please review the memo and exhibits of 11/13/86 for details of the proposal. Note that Planning Commission reviewed this application on 11/17/86 and recommended approval per the staff recommendation, which hinged on resolving 3 issues. ISSUES 1) Status of the "wetland" on Lot 2. This area is designated on the official wetlands maps as a 0.3 acre basin with soil type Hamel Loam. A close look at the air photo base map shows the area was ditched and apparently drained prior to 1970. Per Glenn Cook's letter of 10/9/86, this wetland does not serve a significant purpose in the overall City drainage plan. The basin contains no cattails, arrowhead, or other vegetation types normally associated with a functional wetland. It does have the grasses typical of wet soils found in drainageways, swales and low spots. The total area draining into the basin is about 1.5 acres. If the basin was dammed or dredged to create a more viable wetland/pond, it might have a detrimental affect on the mound drainfield site directly northeast, by raising the water table during wet periods. Staff would recommend that this basin not be considered as a designated wetland but as part of a drainageway to be designated as shown on the attached sketch.