S.L. 424.9 ст. 13Dangerous fumes and lack of oxygen.

(1) The provisions of this regulation shall have effect where work in any work place has to be done inside any chamber, tank, vat, pit, pipe or flue of similar confined space in which dangerous fumes are liable to be present to such an extent as to involve risk of persons being overcome thereby.

(2) The confined space shall, unless there is other adequate means of egress, be provided with a manhole, which may be rectangular, oval or circular in shape, and shall not be less than 45cm. long and 40cm wide, or if circular not less than 45cm in diameter.

(3) Subject to subregulation (4), no person shall be allowed to enter or remain in the confined space for any purpose unless he is wearing a suitable breathing apparatus and has been authorised to enter by a responsible person, and, where practicable, he is wearing a belt with a rope securely attached and a person keeping watch outside and capable of pulling him out is holding the free end of the rope.

(4) Where the confined space has been certified by a responsible person as being, for a specified period, safe for entry without breathing apparatus and the period so specified has not expired, subregulation (3) shall not apply, but no person shall be allowed to enter or remain in the space unless he has been warned when that period will expire.

(5) A confined space shall not be certified under subregulation

(4) unless -

(a) effective steps have been taken to prevent any ingress of dangerous fumes; and

(b) any sludge or deposit liable to give off dangerous fumes has been removed and the space contains no other material liable to give off dangerous fumes; and

(c) the space has been adequately ventilated and tested for dangerous fumes and has a supply of air adequate for respiration.

(6) No person shall be allowed to enter or remain in any confined space in which the proportion of oxygen in the air is liable to have been substantially reduced unless either -

(a) he is wearing a suitable breathing apparatus; or

(b) the space has been and remains adequately ventilated and a responsible person has tested and certified it as safe for entry without breathing apparatus.