Nov 19

High Quality Temporary

Posted on Sunday, November 19, 2006 in Uncategorized

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Burj Dubai Lake & Fountain Program

Burj Dubai Lake, January, 2009

An area of 20,000 square meters of the lake was previously used as a temporary lake to capture storm water runoff and had been subjected to bacterial growth. These areas were cleaned to remove bacterial growth and then treated with X-Treat Sanitizer to sanitize the surface of the concrete to prevent future bacterial growth. Surface preparation was completed using a captive blasting technique. Six captive blast teams were able to prepare 6000m2 of concrete surface per day. This process produced a lightly exposed aggregate finish that revealed all the bug holes (blow holes). X-Shield Bug Fill, a two component high-build thixotropic epoxy resin, was used to fill bug-holes and surface imperfections prior to coating the lake bed.

Depending upon the age and condition of the host concrete either X-Shielf Fast Primer or X-Shielf MT Primer was applied by roller at a thickness of 200 microns. X-Shielf Fast Primer was used for the majority of the lake bed as the concrete was older than 28 days old. X-Shield MT Primer, a moisture tolerant primer, was used on concrete that was between 7 and 28 days old or where the concrete had been subjected to rainfall or high humidity immediately prior to coating.

X-Shield RG40 S, a two component aliphatic polyaspartic coating was chosen to provide a long term, UV stable coating to the lake bed. X-Shield RG40 S was applied using twin line spray equipment. Up to 6 spray teams worked up to 18 hours per day to achieve the required out put. The lake bed was coated in two colors to give the effect of deep and shallow water. The coating system has a life expectancy of over 20 years.

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