Stantec was retained by MDWASD to provide Design Services related to Consent Decree Projects at all three Wastewater Treatment Plants (Central, South and North District). METCO, as one of the subconsultants, is responsible for developing Design Report and Detailed Design Documents related to Electrical, I&C and HVAC system improvements in various process areas at these Wastewater Treatment Plants.
As part of the Master Contract for the Program, METCO was tasked to develop Preliminary Design Task Memorandum, Detailed Design Documents and Construction Assistance Services for major Electrical, and I&C improvements associated with the Headworks at Plant 1 and Plant 2, Air Scrubber Control Systems and step feed for Oxygenation Trains of Plant 2.
METCO was responsible to provide the above services for the following key project elements:
- Replacement of Screens with four perforated plate fine screens for each plant including washer and compactor.
- Relocation of existing grit chamber blowers and addition of a standby blower.
- Hydraulic improvements at Plant 2 grit chambers.
- Step feed for four oxygenation trains.
- New Electrical buildings for Plant 1 and Plant 2 to replace and relocate grit building MCCs and scrubber building MCCs.
- Replacement of all electrical equipment and lighting in the grit buildings and scrubber buildings Instruments, control, and monitoring of new facilities.