Agenda - Council - 02/28/2017 - Laserfiche WebLink

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Review File: Brookfield 8th Addition Final Plat Exhibits Engineering Review February 7, 2017 Page 3 of 5 4. All floor elevations must be revised to be at least 3 feet above the highest anticipated ground water table, 2 feet above the designated or designed 100-year flood elevation or 1 foot above the nearest emergency overflow, whichever is higher. 5. The Lot Elevation Table must be revised. 6. Positive drainage must be provided across Lot 1, Block 1 from the existing lift station. 7. The bottom of the proposed infiltration basin must be lower than the inlet from the stormwater pond to retain the volume to be infiltrated. 8. Revised notes to state tree protection fence must be hand installed and approved prior to installing silt fence. 9. Add a second sheet for the notes and tables, turn the plan view so that it aligns with the utility plans. 10. The grading sheets must be included with the street and utility plans. 11. Revise General Note 4 to read "City Engineering Department". C 1.1 1. Check clearance between water services under storm sewer and specify insulation if needed. 2. Add note: "All DIP 6" and smaller shall be Class 53." C 1.2 1. Existing grade did not plot in profile. 2. Verify dark line at station 11+00 in profile. 3. Break lines under text. 4. Label shaded area on lot 12. 5. Extend MI-1 5 further south so that sanitary line for lot 16 can be shortened. 6. Connect 8" watermain to watermain under 166th Avenue. 7. Add hydrant at end of line. Add access road to hydrant. C 1.3 1. Show centerline profiles, existing and proposed. 2. Align plan view of OCS 202 to FES 201 with profile. 3. Revise access drive to existing lift station. Provide minimum 16 foot wide paved access drives to both east and west sides of lift station with 10 foot clearance from infrastructure. 4. Show elevation of trail over proposed storm line between FES 201 and OCS 202. 5. The lift station detail does not provide positive drainage away from the structure. The slabs must be raised to provide positive drainage to the street or a larger easement must be provided on Lot 1, Block 1 so that drainage will flow to the north. C 1.4 1. Show centerline profiles, existing and proposed. 2. The lift station detail needs to be enlarged to show the proposed drainage matching the grading plan and show where the discharge point is.