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Stephen A. Wrzesinski, P.E. - page 2 / 2





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associated primary circuit breakers, upgrades to the lighting system within the building as well as on the exterior, upgrades to the controls of the gate structures (including lighting above the new gate control bridge), design of an annunciator for communication with the public during gate operations, upgrades to the control system, and communication to both the Main Control Center and North Side Water reclamation plant.

Pump Station Rehabilitation Metropolitan Water Reclamation District (MWRDGC) Evanston, Illinois Mr. Wrzesinski was responsible for electrical and instrumentation upgrades to the Evanston pump station which consisted of HVAC hardware and control upgrades as well as communication upgrades to both the Main Control Center and the North Side Water Reclamation plant.

Upper Des Plaines Wastewater Pump Station Improvements Metropolitan Water Reclamation District (MWRDGC)

River Forest, Illinois Mr. Wrzesinski was involved station serving the Upper

in the complete study and rehabilitation of a major








pump these

improvements are the installation and control of a bypass to the TARP accommodate emergency events for the Metropolitan Water Reclamation Greater Chicago.





Electrical Panel Replacement at Stickney Water Reclamation Plant Metropolitan Water Reclamation District (MWRDGC) Stickney, Illinois Mr. Wrzesinski was the Project Manager for the design of the replacement of control

panels project at the 1,200 MGD Stickney WRP. The $4.2 Million project existing 6.9KV distribution system by expanding the 13.2KV system.

replaced the The project

included the expansion of the 13.2KV transformers in the central boiler facility, digestion centrifuge facility and barge dock.

distribution switchgear, replacement of the West digester area, the existing post- The work also included the replacement of

switchboards with new switchboards and transfer switches, installation operated emergency lights in the primary tanks service tunnel and new switches for the grit pumps serving the aerated grit tanks.

of battery disconnect

Post Digestion Centrifuge Facility Improvements at Stickney Water Reclamation Plant Metropolitan Water Reclamation District (MWRDGC) Stickney, Illinois Mr. Wrzesinski was the Senior Project Engineer responsible for the electrical and instrumentation design for the $30 Million expansion of the existing post digestion centrifuge building to accommodate six new and three future centrifuges. Associated improvements included new biosolids pumping and distribution system, polymer system, biosolids conveyance and railcar/truck loading, hvac and odor control system. The electrical system for this expansion includes the addition of two new 2,000 KVA double-ended unit substations. The control system for this facility includes the linking of over 35 programmable logic controllers (PLC's) and associated view nodes on a fiber optic control net network. A ControlNet/Ethernet gateway is also a part of this project.

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