Agenda - Parks and Recreation Commission - 11/14/2002 - Joint with Horse Care Board

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Sketch Plan/?relimina~ Plat Frigh/ands at?,3ver Park 4~ Addition November 1, 2002 Page 2 of 5 named in conformance with the City street grid. The proposed cul-de-sac is slightly less than 500 feet in len~h and meets City requirements for lengh. The minimum horizontal curve radius on a minor street is 100 feet. Please revise the street plan accordingly. Lot Size, Dimensions, and Setbackz: A/1 of the lots meet the 10,800 square foot lot area requirement and 80 foot lot width, 90 foot lot width for comer lots, requirement measured at the building setback. The required setbacks are 30 feet for front and rear yards, 10 feet. side yard for a habitable portion; 6 feet side yard for garage side, and 30 feet on comer side yards~ The proposed plat shows Lots 1 and 10, Block 1 with only 20 foot comer Side yard setbacks. The final plat shall be revised to show 30-foot comer side yards on Lots 1' and I0, BlOck. Driveways and the front-yard orientation of home on these lots shall be on the cul-de-sac. Grading and Drainage: These comments are based on the Preliminary Grading Stormwater PIan (Sheet 2 of 6) dated Au~mast 5, 2002. and · Drainage swales shall be located' inside drainage and utility easements similar to Lots t2 and 13 on the Highlands at River Park I't Addition. · Please provide storm sewer outlet for the low area.west of Lot · Drainage arrows must be provided around each housepad. · It will be the developer's responsibility to ensure positive drainage for all custom grad'ed lots. More information is requested for Lots 3 and 4. There is a four foot difference in the house pad elevations. These elevations should be-evaluated to. determine if adjustments can be made or retaining walls will need to be constructed in order to comply with all grading requirements. · A permit will be required from the 1V[PCA andtthe Lower Rum River Water Management Organization. 'Justification for the Iow floor elevations adjacent to the back yard catch basin behind Lots 8 and 9 will be required. · Elevations shall be provided for the 100 year flood event for pre- and post-development for the pond adjacent to Lot 8 and west of Lot 6. · · Resubmit drainage calculations for the 10 and I00 year desig_n storm to verify storm sewer design after changes are made to accept water from the 10w area west of Lot 6. . · Tops of all storm sewer pipes shall'be matched wherever possible. Easements. The standard 10 foot drainage and utility easements (5 feet on common property- lines) are shown on the preliminary plat and must be provided on the final plat. Any wetlands .located on the property must also be delineated and dedJ/cated as drainage, easements. A 20 foot easement is required over all storm sewer pipes. Additional drainage easement will need to be shown ~br the ponding areas. 55