Health and Safety (Safety Signs and Signals) Regulations (Northern Ireland) 1996

3.—(a) The construction, reconstruction, alteration, repair, maintenance, cleaning, demolition and dismantling of any building or other structure not being a vessel, or any preparation for any such activity;

(b) the loading, unloading, fuelling or provisioning of a vessel;

(c) (i) subject to head (ii), diving operations;

(ii) for the purposes of this Schedule, a person shall be deemed to be engaged in diving operations throughout any period from the time when he commences to prepare for diving until the time when—

(aa) he is no longer subjected to raised pressure;

(bb) he has normal inert gas partial pressure in his tissues; and

(cc) if he entered the water, he has left it,

and diving operations include the activity of any person in connection with the health and safety of a person who is, or is deemed to be, engaged in diving operations;

(d) the construction, reconstruction, finishing, refitting, repair, maintenance, cleaning or breaking up of a vessel except when carried out by the master or any officer or member of the crew of that vessel; and

(e) the maintaining on a station of a vessel which would be an offshore installation were it not a structure to which regulation 3(2)(d) of the Offshore and Pipelines (Management and Administration) Regulations (Northern Ireland) 1995 applies;

except that this paragraph shall not apply to vessels which are registered outside the United Kingdom and are on passage through territorial waters.