12(1)An employer shall ensure that medical examinations are carried out in accordance with subsection (2) for all employees who are required to work underground.
12(2)The nature and frequency of the medical examinations shall be as follows:
(a)
an annual clinical examination of the respiratory system;
(b)
annual pulmonary function tests of forced vital capacity and forced expiratory volume at one second;
(c)
once in every three years, chest X-rays, including postero-anterior views;
(d)
an annual audiometric test; and
(e)
such other tests or examinations as may be considered necessary by a medical practitioner.
12(3)An employee who works underground shall undergo the examinations required under subsection (2) and shall ensure that a certificate of fitness in Form 1 is forwarded to the employer forthwith.