Water Treatment Structure Projects

As part of a major infrastructure upgrade in Kemptville, Ontario, the Municipality of North Grenville commissioned the construction of new primary clarifiers, aeration tanks, and equalization tanks to expand the capacity of its water treatment and distribution system, which has been approaching its hydraulic limits due to ongoing development pressures.

The City of Trois-Rivières awarded Construction Deric a major contract to renovate part of its drinking water network facilities in the west sector, totalling just over $77 million. The 70-year-old reservoir showed signs of hairline cracks and joint seepage. A crucial part of renovating the Saint-Jean reservoir was addressing the concrete degradation and the cracks that had developed over decades of use.

The municipality of Sainte-Félicité, Quebec, Canada, constructed a new water treatment plant, including a new tank, service building, and the development and connection of two wells. Xypex’s advanced crystalline technology was used to ensure permanent waterproofing and protection of critical concrete infrastructure, particularly the reservoir’s wet well foundations and concrete apron, providing lasting durability and self-healing capabilities within the concrete structure.

The Alexandria Water Company in Egypt undertook a project to waterproof their concrete water stations. Starting in 2017, the project's objective was to ensure permanent waterproofing, increased concrete durability, and protection against chlorine. It involved the collaboration of eight contractors under the supervision of the Alexandria Water Company.

The objective of the Drahonice Reservoir project was to effectively seal construction joints within a newly constructed concrete water reservoir. Completed in 1994 in Drahonice, Czech Republic, the project encompassed two reservoirs, each with a capacity of 5000 m3. The project used Xypex Concentrate to address the sealing needs. Applying Xypex products effectively provided a comprehensive seal at construction joints, permanently preventing leaks.

The ČS. Spořitelna project in Prague, Czech Republic, aimed to refurbish a drinking water reservoir. Completed in 1995, the project involved a two-layer waterproofing system by applying Xypex Concentrate and Xypex Modified to the 60 m2 concrete surfaces of the tank. The project, led by SANACE and executed by ABV s.r.o. Praha 9, successfully sealed all joints and openings and eliminated all leaks.

The Salha water treatment plant, strategically positioned on the White Nile's shore in the Salha area, was developed to enhance water services for the southern region of the national capital, Omdurman. Given the critical nature of this infrastructure, ensuring the structural integrity and impermeability of the concrete water tanks was paramount. The project encountered significant challenges, notably concerning concrete defects, with prevalent issues such as faulty joints and honeycombs that compromised the structures watertightness. Furthermore, funding constraints resulted in adjustments in the project’s management and schedule. 

In 2012, after 58 years of service, Plant No. 1 showed the effects of age from decades of service. The concrete in Plant No. 1 suffered deterioration, including exposed rebar, exposed aggregate, loss of surface paste and spalling. CCMWA called on water engineering experts Hazen and Sawyer to study its operation and make a recommendation for Plant No. 1. The team recommended replacing the original plant with a new plant with a capacity of 33 mgd that could be expanded to 66 mgd in the future. 

The project used over 300 tonnes of Xypex C-500 NF Admixture as well as Xypex Concentrate and Xypex Patch’n Plug for joints and other works. Xypex is proud to have been a part of this highly successful project.

The city of Greensboro, NC’s Mitchell Water Treatment plant is over 60 years old. The plant needed significant repairs including the resurfacing of the walls in the east and west flocculation and sedimentation basins where erosive wear due to backwashing of filter media. Over 100,000 square feet of walls were rehabilitated while the plant remained operational. This project was completed to the great satisfaction of the owner with significant operational and cost savings achieved over the replacement option.