07-09-2003 Council Agenda - Laserfiche WebLink

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Honorable Chair and Planning Commission June 6, 2003 Page 2 Grading Plan 1. Only one grading plan was included in the submittal documents. This grading plan was for construction of the development without including allowances for extensions of a development into the adjacent property to the southwest. 2. Top and bottom elevations should be shown for all retaining walls proposed within the development. 3. The proposed retaining wall just east of the proposed pond has a build of 7 feet. it should be required that this retaining wall be tiered in 4 foot high or less sections. The bottom elevation for the lowest wall should be a minimum of 1 foot above the high water level of the pond. 4. The proposed grading extends into the Rustic Place property. An easement will be necessary prior to any construction on the Rustic Place Apartment property. 5. The emergency overflow route must be shown for all street low points. 6. Additional topography and grading information must be shown on the adjacent property to the southwest in the vicinity of the retaining walls to ensure against ponding or other drainage concerns. 7. Inverts should be listed on all City structures and pipe information should also be shown on the plan. 8. The proposed outlet for the storm water pond is a flared end section. An outlet structure should be used. 9. The rip rap used at all outlets should be Class 4. These are our comments based on the review of the submitted documents. It should be noted that the Ramsey Washington Watershed must review and approve the grading, drainage, and erosion control plan prior to any construction. If you have any questions regarding these comments, please feel free to call. Sincerely, Howard R. Green Company Lee Elfering, P.E. City of Engineer cc: Greg Schroeder, City of Little Canada Steve Grittman, City Planner (NEC Inc.) C:\ windows \TEMP \Itr060603pI n gcom. doc