Delegates must have a good understanding of spoken and written English.

In order to undertake this course delegates must be clean shaven to ensure there is no obstruction to the face fit mask required for practical assessment.

Entering and working in confined spaces may be strenuous and demanding. Delegates should be physically fit and in good health and should generally not have problems with eyesight, hearing heart disease, high blood pressure, asthma, epilepsy, fear of heights/confined spaces, vertigo, difficult with balance, impaired limb function, alcohol or drug dependence or psychiatric illness.