Project: Mold-decontamination at administrative office building

Time: August – September 2011

Building: Built in 1976; number of floors: 22

Building condition: Mold and moisture problems on almost every floor, mostly due to condensation from fresh air intrusion into air-conditioned space plus from water seepage through ceiling and walls. Biggest issue: mold on executive floors.

Job scope under GLWC: IAQ testing, Root cause analysis, Mold decontamination, Rectification of root causes for mold.


GLWC staff during air sampling, root cause analysis and mold decontamination works, August 2011


Air sampling results prior and post decontamination activities. Bacteria and fungus count limits: 500 cfu/m³ for general indoor areas. All relevant limits were achieved after decontamination.