27.—(1) The Construction (Health, Safety and Welfare) Regulations 1996(1) shall be amended in accordance with the following provisions of this regulation.
(2) Paragraph (2) of regulation 20 shall be deleted and the following substituted—
“(2) Without prejudice to the generality of paragraph (1), arrangements prepared pursuant to that paragraph shall—
(a)have regard to those matters set out in paragraph (4) of regulation 19;
(b)designate an adequate number of persons who will implement the arrangements; and
(c)include any necessary contacts with external emergency services, particularly as regards rescue work and fire-fighting.”.