Agenda - Council - 02/26/2002 - Laserfiche WebLink

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Final Plat Review: Highlands At River Park December 13, 2001 Page 2 of 4 NW extending north off of Alpine Drive NW., 155th Lane extending into the Plat from the west, and South Yaldma Court N.W. Utility Plan: A "final" utility plan has not been submitted, however, construction plans have been submitted that has given us sufficient information to determine that the plan conforms to the preliminary utility plan with the following exceptions: Sanitary sewer forcemain shall be 6" ductile iron pipe; that a 12" watermain shall be constructed along the north side of Alpine Drive between the west side of the plat and the east side. Gradin~ and Drainage and Easements: The standard 10 foot (5 foot on common property lines) drainage and utility easements are provided around the perimeter of the lots. The City will be requiring a copy of the permit from the Lower Rum River Water Management Organization CLRRWMO) prior to commencement of grading. In accordance with Staff comments at the time of preliminary plat review, 20 foot drainage and utility easement are being provided on all lot lines that have public utilities for maintenance potential and all areas where there are storm sewers. All of the drainage structures, pipes, ponds, swales shall be protected by drainage and utility easements (including entire pond in Block 3 and storm sewer pipe east of Block 2). This correction needs to be resubmitted for review and City Engineer's approval. Final Gradin~ Plan: The General Notes on Page 2 of the Grading Plan should be modified to specify that an elevation certificate, prepared by a registered land surveyor, will be required at the time of footing inspection to prove that the building elevation is in compliance with the final grading plan. City Code also requires' lots with grades flatter than 2% to provide a certificate of grading prior to issuance of the certificate of occupancy. According to the final grading plan, the following lots are subject to this requirement: Block 1: Lots 4, 5, 9, 10, 12; BlOck 2: Lots 2, 3, 4, 5, 6; Block 3: Lots 6 and 7. The overflow fi:om Woodland Green Park to the unnamed' park should be a 15" RCP and there should be enough volume beneath the invert of the pipe to empty pipe. The flow from Lot 12, Block 1 should be directed to the street. A final grading plan for the entire plat must be re-submitted and approved by the City Engineer as a condition of final plat approval. All of the storm sewer invert elevations need to be provided on the final-grading plan. Additionally, the elevations of existing drainage structure identified on the preliminary drainage plan on Alpine Drive shall be verified to ensure positive drainage. Size and type of pipe must also be identified on the Final Grading Plan that is re-submitted. I I I I I I I' I I I I I, I I