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March 4, 1997 To: Rick Jopke, Assistant Director of Community Development From: Jay Kennedy, Assistant Director of Public Works ~ RE: PLANNING FILE 2885, PUD AND PRELIMINARY AND FINAL PLAT SOUTHWINDS OF ROSEVILLE The Engineering Department has reviewed the above file and has the following comments: 1. There are currently no provisions for stormwater ponding on the site. An existing downstream pond was designed to handle the existing single-family plat adjacent to Albemarle Court only. It will be required to provide stormwater detention to account for the increased impervious surface. 2. As part of the plat, 10 feet of additional right-of-way will be required on lots 7 and 8 for County Road B. 3. The new roadway and cul-de-sac proposed east of Albemarle Court do not meet current City codes and policies for roadway width or right-of-way width. It is proposed to construct a 28-foot wide roadway within a 50-foot right-of-way and a 90-foot diameter cul-de-sac within a 1 DO-foot diameter right-of-way. The roadway and right-of-way widths will be adequate provided an additional 5-foot utility easement be provided adjacent to the right-of-way. 4. There is currently a sanitary sewer easement within proposed lots 23 through 26. This sanitary sewer was relocated as part of the Albemarle Court construction project. Since the sanitary sewer within lots 23 through 26 is no longer needed, the utility easement should be abandoned as part of the plat. The applicant must ensure that the existing utility is properly abandoned before construction commences. It should also be noted that the survey does not accurately reflect the construction of the new sanitary sewer. The locations should be clarified before final plans are submitted. 5. Under the current proposal, a portion of the existing Albemarle Court right-of-way would need to be vacated. 6. All streets and utility mains within the project will be owned and maintained by the City. As such, the streets and utilities must be constructed to City standards. This includes construction of straight-backed curb in all areas with the exception of the two cul-de-sac areas where there are a number of driveways proposed.