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The Nu Flow process avoided destruction to the building and expensive restorative costs while preventing future problems.
Industry / Market: Educational Service sector, JHB
Client: WITS University – Solomon Mahlangu House
The origins of Wits University lie in the South African School of Mines, which was established in Kimberley in 1896 and transferred to Johannesburg as the Transvaal Technical Institute in 1904. Other departments were added as Johannesburg grew and in 1920 the name was changed to the University College, Johannesburg. Full university status was granted in 1922.
The construction of Solomon Mahlangu House (formerly Senate House) was completed in 1977, and it has since become strongly identified with university management, located on the eleventh floor of the building.
System: 44-year-old galvanised mild steel stormwater down pipes that run from the roof down to basement 2 (14 floors.) Nu Flow rehabilitated 373 meters of 4” pipeline with pull-in-place structural liner and its internationally patented 2K epoxy which created a new, seamless pipe within the old, damaged host pipe.
Situation: The University was experiencing water damage inside the building’s walls due to corroded downpipes. A pipe replacement would cause permanent scaring to the landmark building so the university turned to Nu Flow for a quicker, less disruptive, safer option.
Solution: Left unprotected, pipes will age and develop problems, whether in commercial, industrial, or residential buildings. Nu Flow’s cost-effective, trenchless technology will revitalize your aged pipes and protect them for the future.
All the building pipelines were cleaned using Picote Maxi Miller machines in preparation for lining. Nu Flow then installed the Pull-in-Place pipe lining system, Nu Drain, to reline the rusted pipes in-situ. The pipes were rehabilitated without having to break through the building’s walls or floor slabs, so there was not any disruption to the university employees. The job took a fraction of the time that a traditional repipe would have taken. This new, seamless pipe-within-a-pipe will prevent leaks and other failures.
The end result: Because Nu Flows structural liner creates a new seamless and extremely hard pipe with no joints, the pipeline liners are expected to last 50 to 100 years.