Agenda - Planning Commission - 07/06/2017

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Review File: Cole Addition Preliminary Plat Engineering Review June 28, 2017 Page 3 of 3 5. Specify length of DIP. 6. Label proposed grade in profile. 7. List station for hydrants and connection to existing stubs. 8. Provide key to elevations listed at bottom of profile. 9. See City Standard detail for casting styles. 10. Reference City patch detail for new service installation. Bituminous must be removed and replaced from curb to curb. Label the service installation plan view. 11. The current City details are available on the City website. C4.1: 1. A sheet specific legend is required listing all symbols and lines on this sheet. 2. Sidewalk must be shown along the north side of the street. Sidewalk is 6 feet wide by 6 inches thick. 3. Pedestrian ramps are required at Kamacite Street and the cul-de-sac. A site specific detail is required for each lists elevations, grades and distances. The MNDOT 6 sheet set for pedestrian ramps must be added to the set.. 4. Provide key to elevations listed at bottom of profile. Detail Sheets: 1. Detail sheets must be added to the set as noted above. L1.1: 1. A sheet specific legend is required listing all symbols and lines on this sheet. 2. Several trees to be removed along the north property line appear to be outside of the project. Stormwater Calculations 1. The stormwater summary indicates the infiltration basins provide the required infiltration volume. Soil borings are required to determine the groundwater elevation and show that 3 feet of separation is available between the bottom of the basin and the groundwater elevation. 2. The infiltration area and the stormwater detention area are the same. The detention area must be totally dry 48 hours after the 100 year event. If this cannot be achieved then the infiltration and detention areas must be separated. Calculations must be provided to support the statement on the summary sheet. 3. Tables listing the P8 results are included. The P8 input data must be added to the report.