08/28/2006 Council Packet - Laserfiche WebLink

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The Preserve Development Page 2 July 25, 2006 Drainage Review • City of Lino Lakes, Minnesota 2. Indicate the emergency overflow elevation and location of the existing wetlands and pond on the plan. 06/02/06 It appears that the emergency overflow for both existing Pond 1P and the wetland upstream of the 3' x 6' box culvert is located at the low point of Pheasant Run South. Ensure that the low opening of existing homes and proposed lots adjacent to Pond 1P and the existing wetland upstream of the 3' x 6' box culvert are 1' above the emergency overflow elevation. Update the emergency overflow elevation at the low point of Pheasant Run South on the grading plan to the elevation of the top of curb or centerline of the road, whichever is greater. 07/25/06 This item has been addressed. 3. Low floor elevations for lots located on Pheasant Run South are required to be a minimum of 2' above the 100 -year elevation of the existing wetland. 06/02/06 The high water level indicated on the plan for the wetland upstream of the 3' x 6' box culvert is 892.4. Based on this elevation, the low floor for Lot 7, Block 2 is required to be at a minimum elevation of 894.4. 07/25/06 This item has been addressed. 4. Provide storm sewer calculations and a storm sewer schedule for review. 06/02/06 Item has been addressed. 07/25/06 Submit storm sewer calculations and a storm sewer drainage area map for review. 5. Revised plans will need to be resubmitted to RCWD for approval, and documentation provided to the City. 06/02/06 Item has been addressed. 07/25/06 Submit revised plans to Rice Creek Watershed District for approval, and provide documentation to the City. Additional Comments (07/25/06) 6. The City does not allow timber in the construction of baffled weirs. Provide an alternative material, such as concrete or aluminum, for the proposed baffled weir detailed on sheet C.4.02. 7. The pond 4P outlet elevation in the HydroCAD model is 892.5. The baffled weir detail on sheet C.4.02 shows the outlet elevation at 892.0. Update the pond 4P baffled weir outlet elevation in the detail to be consistent with the model.