Sewer pipes and wastewater treatment plants are an unglamorous but critical asset to society. Keeping pollutants out of the environment, they safeguard human life and form an essential part of the infrastructure we all depend on.
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The high-performance concrete repair solution – unique to BBR Contech.
BBR Contech is the exclusive New Zealand distributor for Kerneos products related to water and wastewater applications. The Kerneos Calcium Aluminate (Sewpercoat) range of products provides high performance concrete repair solutions for very aggressive wastewater environments.
The combination of physical and chemical bond between the calcium aluminate cement and aggregate produces a superior concrete capable of withstanding the toughest combinations of thermal cycling, high heat, mechanical shock and biogenic corrosion.
With over 20 years of international use, and applied in over 30 New Zealand wastewater structures, Sewpercoat offers proven protection against the effects of biogenic corrosion. It can extend the life of critical infrastructure, providing a long-term solution in structures that are exposed to destructive forces and substances throughout their working life.
This product is available as Sewpercoat PG25 for low pressure wet application or HS40 for high pressure dry gunite application.
BBR Case Studies
Eastern Interceptor – Sewpercoat
By BBR Contech
/ September 21, 2016
Completed in 1962, the Eastern Interceptor is a large-diameter, reinforced-concrete wastewater pipe that follows a 19km path from Auckland’s Okahu Bay to the Mangere Wastewater Treatment Plant. It’s a vital part of the city’s wastewater management system, carrying about two-thirds of its wastewater and acting as the main collection point for many large and small sewers.
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Mcleods Bay Wet Wells
By BBR Contech
/ February 26, 2014
Failure of epoxy linings were identified within newly built sewage wet well pumping structures, located on the foreshore of McLeod’s Bay. These structures service both gravity reticulated and pumped raw sewage from the residential catchments of McLeod’s and Urquhart’s Bay on the Whangarei Headlands.
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