General Health
A good standard of general health is required. Persons shall not be permitted to go on or near the line if they are suffering from medical conditions or taking medical treatments, likely to cause sudden loss of consciousness, impairment of awareness or concentration, sudden incapacity, visual impairment of temporary or transient nature, impairment of balance or co-ordination, significant limitation of mobility. Examples include: epilepsy, insulin controlled diabetes and unstable angina.