Access into ductwork to allow regular, comprehensive maintenance and cleaning is clearly of paramount importance for controlled environments. But gaining such access has been a challenge for as long as those in the business can remember. There is no doubt that designers of cleanroom facilities and their installers need to consider cleaning requirements and accessibility when planning the construction and installation of ductwork.
Suitable and sufficient access hatches are essential, for example, to ensure ductwork can be effectively maintained and cleaned throughout the system. The UK industry standard B&ES TR/19 provides guidance on where hatches should be sited dependent on type and location of ductwork. In addition, the ductwork itself should be readily accessible without any hazard or obstacles to cleaning operatives.
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