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HomeMy WebLinkAbout05.14.91 Planning Packet1. CALL TO ORDER 2. APPROVE MINUTES a. April 9, 1991 3. DISCUSSION AGENDA PLANNING COMMISSION REGULAR MAY 14, 1991 a. Farmington Middle School Preliminary Plat b. Elm Park Rezoning and Schematic Development Plan c. Zoning Amendments 1. Mailed Notice for Conditional Use and Variance Requests 2. Addition of Radio and TV Towers to Conditional Uses Allowable within the F -3 General Flood Plain District 4. ADJOURN AGENDA REPORT PLANNING COMMISSION REGULAR MAY 14, 1991 1. Call to Order 7:00 P.M. 2. Approve Minutes April 9, 1991 3. Discussion Farmington Middle School Preliminary Plat The land area included within this plat totals slightly more than sixty -four (64) acres. The land has been previously divided along a line that has been proposed as the alignment of a future east /west collector street with a right of way of 100 feet. The entire 100 feet will be dedicated from land purchased by the School. The City Engineer recommends a design speed of 50 miles per hour for collector streets. Because this collector eventually will cross the railroad right of way, and it will serve as an extension of County Road 66 west of Highway 3, an "S" curve is necessary. In order for the plat to serve the needs of the Middle School site plan, additional property to the north will be required in the triangular are between the existing site and the westerly end of the "S" curve. The Superintendent of Schools has indicated that this additional property will be secured from the current landowner. The site plan submitted with the plat shows five entrances onto 208th Street. One objective of collector streets is to keep access spacing to 1/8 of a mile or 660 feet. The School District has agreed to eliminate two of the entrances and the City staff has agreed to accept entrances closer than 660 feet based upon the amount of frontage that will be controlled by the School District. Because of its location, the plat is a focal point for utility extension north and west of downtown. Service areas beyond this plat have been determined for purposes of pipe sizing and function. The memo dated May 8, 1991 from City Engineer Kaldunski identifies facilities as either trunk lines or laterals. In general, lateral pipes are the responsibility of the developer, whereas trunks become City responsibility at least to the extent of the oversizing that is required. In certain instances, trunk lines do provide a lateral benefit to the project. The City water system will be provided significantly more flexibility as a result of this project. The Water Board contemplates a north /south trunk along the west side of the railroad. A similar trunk will be located within the right of way of 208th Street. The School plans a loop around the building, and the City Engineer has requested water mains on the property both to the south and east property lines within specific easements. The City sanitary sewer trunk will extend northward from the MWCC trunk sewer immediately east of the Pine Street turn around and terminate on the north side of the Pine Street turn around and terminate on the north side of 208th Street. This will then be ready to provide service to all property east of County Road 31 within the existing boundaries of Farmington. All storm drainage is directed to the on site ponding area or marsh east of County Road 31. It is recommended that regrading shall be limited to the land area above the 901 contour. Catch basins are recommended at two locations along 208th Street and will be linked with the north /south storm sewer west of the school and flow to the Vermillion River. This line will also carry excess flow from the marsh. A storm sewer line will be required along the north edge of the plat. It will empty into an open ditch bordering the west side of the railroad. As indicated, the storm water management pond on site shall be left undisturbed. This means that the construction limits will need to be redrawn to exclude areas below the 901° contour. One exception to this is the extension into the ballfield area between the football and softball field, a low lying area which can be filled more than is shown on the grading plan. The City Engineer has indicated that fill material will be available from the road construction project which might be useful in the development of athletic fields. The grading plan also shows significant cuts and fills within the flood plain. This earthwork will need to be approved by the Department of Natural Resources. Silt fencing is required around the entire construction site to control erosion. Because the construction season is short, there is limited time during the year when road construction can take place. The schedule of the School District indicates that the school will be going up at the same time. This is likely to produce conflict between projects unless an alternate route is selected for school construction activity while the street is being built. The staff has recommended that a temporary road should be constructed through the park over the trunk sanitary sewer line. The base provided by sewer line construction will provide a suitable location for a pedestrian connection between the school and the central area of Farmington. The City Engineer has indicated that there is a requirement for street trees on this plat. A forty foot (40') spacing of two inch (2 caliper trees is necessary along both sides of 208th Street. The types of trees encouraged are: oak, hard maple, hackberry, Greenspire and Redmond Linden, Summit and Marshall's Ash, ginkgo (male only) and Kentucky Coffee Tree. Up to four species could be used along this right of way in clusters similar to those identified on the landscape plan for the site. An enlarged landscape plan will be required showing the shrubbery plantings to be placed adjoining the building and parking areas. Because of the time schedule of this development, all of the comments from reviewing agencies have not been returned. In addition, the School District has agreed to noted changes in the site layout that do not show up on the plans submitted. Revised drawings and additional comments will be presented at the Planning Commission meeting. In addition, there has been considerable discussion on City fees related to this project. It would be helpful for the staff to receive the architect's calculations of these fees now to prevent any later misunderstanding during the development process. Recommendation Prepare a recommendation for approval of the preliminary and final plat subject to the requirements identified in the City Engineer's memo of May 8th and whatever comments are introduced during the meeting and forward them to the City Council for the public hearing scheduled on June 3, 1991. 4. Discussion Elm Park Rezoning and Schematic Development Plan Enclosed is a staff memorandum to Gerald Henricks regarding the requirements of the City relating to this project. Mr. Henricks plans to be in attendance to outline both the plan for this site and the program. r 5. Discussion Zoning Amendments Enclosed is a copy of the proposed amendment together with a staff memo to Larry Thompson explaining the proposal. Charlie Tooker Planner cc: file