Nine Mile Pump Station - CMAR Services

The existing Nine Mile Drain was constructed in 1926. The drain collects wastewater from Eastpointe and St. Clair Shores and under dry weather discharges to the Jefferson Interceptor by gravity. During wet weather, the flow rate exceeds the capacity of the Jefferson Interceptor and wet weather flow can be diverted to the Chapaton Pump Station or sent through the Nine Mile Emergency Bypass to enter the basin by gravity or overflow to Lake St. Clair. In order to free-up capacity at Chapaton Pump Station and to disconnect the Nine Mile Emergency Bypass from the impact of high Lake St. Clair levels, the proposed Nine Mile Pump Station is conceived to deliver wastewater from the Nine Mile Drain directly to the Chapaton RTB. The preliminary basis of design calls for the following: 1. 4 pumps at 150 cfs and 2 pumps at 75 cfs 2. Wetwell 3. Screening facility 4. Building superstructure 5. Building heating and ventilation 6. Electrical improvements Construction Manager At-Risk Services 7. ½ Mile Relief Drain Drainage District Nine Mile Pump Station Page 4 8. Generators 9. Odor control 10. Site work 11. Modifications within the existing RTB

Lift and Pump Stations, Renovation.

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