07-28-2004 Council Agenda - Laserfiche WebLink

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owarc July 2, 2004 File: 823510J -0325 R. Green Co Honorable Chair and Planning Commission City of Little Canada 515 Little Canada Road Little Canada, MN 55116 RE: HIDDEN ACRES SUBDIVISION Dear Planning Commission Members: T oany As requested we have reviewed the plat for the proposed Hidden Acres development that is located between Burke Lane and Yorkton Ridge and is abutted by the Saint Paul Water Works property on the west. Plowe Engineering, Inc. and E.G. Rud & Sons, Inc. prepared the preliminary plat. Based upon our review and discussion with other staff, we would offer the following comments: 1. It is our understanding that Nadeau Avenue is to be constructed as part of the development. The utility and grading plan will need to be modified and new drainage calculations submitted to accommodate this additional area. 2. Due to the depth of the pond outlet pipe we would suggest that a 30 -foot drainage and utility easement be provided between lots 4 and 5. 3. All storm pipes serving more than one inlet should be a minimum of 15- inches in diameter. 4. The plans will need to be approved by the watershed prior to any construction. Although the plan does not address the installation method for the storm sewer, it may be beneficial to directional bore the pond outlet pipe to minimize disturbance to the steep slope down to the drainage ditch. 5. Soil boring information should be provide along with a geotechnical report to verify the pavement section design. 6. All valves shall include a valve box adaptor to be installed to insure the valve nut will remain in the center of the box and that the box will be vertical. 7. All sanitary manhole lids shall be Neenah R -1733 solid lids with C.I. lift holes. A copy of the lid detail will be sent to the engineer. C: \windows \TEMP \Ltr - 070204 -PIng. Comm..doc