Is your building or factory in need of an upgrade? Do you need to renovate to increase your productivity? It may become necessary, because of changes in plant layout or processes, to make additions or renovations to the ventilation system.
Before doing so, seek expert advice. What may seem to be minor alterations or additions can seriously impair the functioning of the entire ventilation system.
If ventilation is required to keep the exposure limits to below the Legislative Occupational Exposure limits a pre-start review is required.