4.—(1) The operator of any premises to which these Regulations apply shall make a written evaluation before any work with ionising radiation is carried out for the first time at those premises.
(2) The evaluation required under paragraph (1) shall be sufficient to identify all hazards arising from the work undertaken which have the potential to cause a radiation emergency.
(3) Where the evaluation required under paragraph (1) does not reveal any hazards having the potential to cause a radiation emergency, reasons for such a conclusion should be set out in that evaluation.
(4) Where the evaluation required under paragraph (1) does reveal the potential for a radiation emergency to occur, the operator shall take all reasonably practicable steps to—
(a)prevent the occurrence of a radiation emergency; and
(b)limit the consequences of any such emergency which does occur.
(5) The evaluation required by paragraph (1) also applies to the continuation of any work with ionising radiation carried out by an operator after the coming into operation of these Regulations.
(6) The requirements of this regulation are without prejudice to the requirements of regulation 3 (risk assessment) of the Management of Health and Safety at Work Regulations (Northern Ireland) 2000(1) and to regulation 8 of the 2017 Regulations.
(7) The operator shall provide the Executive with details of the evaluation made under paragraph (1) within 28 days of the date on which it is made.
S.R. 2000 No. 388. Regulation 3 was amended by S.R. 2001 No. 348 and S.R. 2015 No. 265