You could unwittingly be in violation the Management of Health & Safety at Work regulations if your kitchen extraction system is not being adequately cleaned by your cleaning contractor. In adequate cleaning of this vital area where grease deposits build-up could even invalidate your building fire insurance.

Are you sure that your cleaning contractors have the necessary expertise and equipment necessary to clean the internal surfaces properly?

Since much of the ductwork is inaccessible to you and your staff – how do you know if it is being cleaned to the industry standards?

DCH Environmental provide a service in which we inspect and audit the work carried out on your ventilation systems. Our specialist operatives will carry out deposit thickness tests to verify if the work is being carried out to the standards laid down by the HVCA in its guidance document TR19 “Cleanliness of Ventilation Systems” which defines methods of measuring cleanliness as a benchmark of good practice.

DCH currently provides such an auditing services for BAA. Our experts regularly inspect the cleaning of extraction systems at 45 sites in Heathrow, Gatwick and Stansted airports.