There are 8 item(s) tagged with the keyword "HDR".
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The Lower and Middle River Des Peres (LMRDP) CSO Storage Tunnel Dewatering Pump Station (DPS) will receive all the flow entering the LMRDP CSO Storage Tunnel. The DPS peak design flow is 100 MGD and will pump either to the Lemay Wastewater Treatment Plant (WWTP) or the Enhanced High Rate Clarification (EHRC) facility. The DPS will operate only during or after a weather event that requires the use of the storage tunnel. The bar screen will be located upstream of the DPS to prevent large debris from damaging the pumps.
Proposed Lemay Pump Station No. 3 is a wet-pit/dry-pit station with a firm capacity of 15MGD. Lemay No. 3 Pump Station will accept the flows from the Jefferson Barracks Tunnel and pump to the Lemay WWTF. The new Lemay No. 3 PS will replace the existing pump station. The Lemay No. 3 PS will be the network connection point of all the Intake structures and level sensors in the Jefferson Barracks Tunnel system, therefore control and monitoring of the Tunnel will be consolidated at the Lemay No. 3 PS.
MSD retained IDCS to create an Instrumentation and Controls Design Criteria Manual; this is used to describe standard instrumentation components and control philosophy for all pump station and treatment facility control.
The Maline Creek Local Storage Facility Tunnel (MCT) and Tunnel Dewatering Pump Station (MCTDPS) is designed to relieve the Bissell Point North Interceptor Tunnel during high flows and store 12.5 MGD until the flows recede.
Intelligent Design and Construction Solutions, LLC completed the instrumentation and control design for the disinfection system at the Bissell Wastewater Treatment Plant. There are two disinfection systems at Bissell WWTP, both of which utilize a chlorination/dechlorination chemical system.
Intelligent Design and Construction Solutions, LLC completed the design for the instrumentation and control of the revised disinfection systems at the Lemay Wastewater Treatment Plant.
The Lemay Ash Pump Station pumps the runoff from ash drying lagoons back to the main Lemay Water Treatment Plant (WTP), preventing the runoff from flowing into the Mississippi River through Outfall 002.
Lower Meramec WWTP is one of several MSD treatment facilities that have been modified to include disinfection. Lower Meramec's Disinfection included a chemical disinfection process and IDCS was the lead designer for the instrumentation and controls.
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