The Walsh Group

Scottsdale CAP Water Treatment Plant Expansion (AZ)

The existing CAP Water Treatment Plant provided capacity for 50 mgd of potable water for the northern region of Scottsdale and had been expanded in several phases since the early 1980s. Construction of the new 20 mgd expansion was completed in four design packages...

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Western Townships Utilities Authority Master Plan Improvements (MI)

Western Townships Utilities Authority Master Plan Improvements (MI)

This was Western Townships Utilities Authority’s first collaborative delivery project, and it chose the progressive design-build (PDB) model to enable owner input on the design and foster a true team approach to the project from inception through completion. The PDB model allowed the team to evaluate alternative design ideas and choose the one that worked best for the owner’s needs.

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Northeast Flow Control Facility (MI)

This project created the necessary flow control capabilities to isolate the water treatment plant for major renovations in the future. Water from other plants will be able to be used with the bypass created off this project when this plant receives a major overhaul.

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OMIDDD NESPS Pumping and Electrical Systems Upgrade (MI)

OMIDDD NESPS Pumping and Electrical Systems Upgrade (MI)

The Northeast Sewage Pump Station (NESPS) had been in service for over 60 years and its pumping and electrical components were becoming obsolete. All the existing equipment was well past it’s expected service life, so it was crucial that this project and its different phases were planned efficiently taking schedule into consideration and keeping the pumps operational during construction.

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