Ste-Foy WTP – Phase 3 – Refurbishment of filters and wash water equipment

Description

As part of Phase 3 of the refurbishment of the Ste-Foy water treatment plant, Deric Construction was asked to modify the plant’s 20 filters to update the filtration technology and improve the plant’s drinking water production capacity.

The project also involved modifying settling tank #1 and the buffer tank for wash-water discharge, adding an emergency exit to the building, and adjusting the plant layout to accommodate the new piping. Deric Construction was responsible for all of the structural aspects of the project, from process mechanics to electricity and instrumentation.

Main features

• Demolished, waterproofed, and rebuilt the Ste-Foy water treatment plant’s 20 filters Added new stainless-steel filtration technology
• Split settling tank #1 in two to accommodate wash water from the filters
• Split the buffer tank for wash-water discharge in two to better treat the filter wash water
• Expanded the building to add a new emergency exit
• Built a new electrical room to house all the power and control equipment for the new filtration technology
• Installed two new wash-water pumps and air compressors
• Installed new stainless steel and fused HDPE pipes, ranging from 8ʺ to 24ʺ in diameter
• Installed FRP gates to access the filters
• Installed, powered, and connected instrumentation