Concrete refurbishment of the Wemmershoek Dam
The Wemmershoek Dam in the Western Cape Province contributes to the water supply of about four million people in Cape Town and the surrounding communities. After more than 50 years of exposure to the comparatively aggressive fresh water of the region, corrosion damage were discovered penetrated up top 20 millimeters into the surfaces of both the dam and the spillway. Products and solutions from the BASF enabled a sustainable concrete refurbishment.
| Customer requirements |
Our solution
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- Dam contributes to water supply of 4 million people
- Ensure long-term durability of the dam
- Tight time schedule
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- EMACO® S 73 concrete repair mortar for renewing the concrete surface
- Masterseal® 501 Fibre 1 for protection and sealing
- Spraying application saves 60 percent of time
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Durable, long-term value protection
EMACO®S 73, a thixotropic, fiber-reinforced polymer concrete repair mortar, enables the refurbishment of the 3,500 square meters of dam surface. He can be used without extra priming, which saves a lot of time and work. Masterseal® 501 Fibre 1 seals and protects the concrete additionally and increases the life-span of the repaired structure by another 50 percent.
Fast results
The BASF Team proposed to spray-apply the products, as opposed to the more conventional trowel application. In comparison to that, spraying application saves 60 percent of the work time, what accelerates the renovation process once more in addition to the in general easy-to-use BASF products. In was an important factor especially in view of the tight time schedule for the repair work. It is only three or four months a year that the water level at the Wemmershoek Dam is low enough for the damaged areas to be accessible.