BACKGROUND
EnviroScience Solutions was commissioned to undertake preliminary investigations following the growth, and infestation, of mould within the wall cavities of a hospital ward.
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SOLUTION
EnviroScience Solutions was commissioned to undertake preliminary investigations following the growth, and infestation, of mould within the wall cavities of a hospital ward.
The mould, which occurred due to a faulty thermostatic mixing valve that had released an unknown quantity of water, was thoroughly investigated to assess likely pathways of water and mould growth. Inspection holes were drilled into walls of the ward and once the areas of concern were identified, the walls were dried with portable air driers while the ward remained closed.
Several days after the initial issue had been addressed, EnviroScience technicians returned to site for further assessment. Moisture readings, swabs and bio-tape impressions of the wall cavities were taken, and results returned positive for fungal spores within the ward. Nursing administration was contacted, and access was limited until fungal clearance could be issued.
Recommending HEPA vacuuming and wiping down of hard surfaces with a fungal biocide, remediation works were then carried out by a professional cleaning company.
OUTCOME
Following these remediation works, EnviroScience conducted validation sampling which found the wall cavities were dry and were able to be resealed. Clearance air samples showed normal fungal ecology and the ward was commissioned to reopen safely.
