In these Regulations—

• “client” means a person who in the course of business—

  1. a

     seeks or accepts the services of another which may be used in the carrying out of a project for that person; or

  2. b

     carries out a project on their own behalf;

• “construction site” includes any place where construction work is being carried out or to which the workers have access, but does not include a workplace within it which is set aside for purposes other than construction work;

• “construction work” means the carrying out of any building, civil engineering or engineering construction work and includes—

  1. a

     the construction, alteration, conversion, fitting out, commissioning, renovation, repair, upkeep, redecoration or other maintenance (including cleaning which involves the use of water or an abrasive at high pressure or the use of corrosive or toxic substances), de-commissioning, demolition or dismantling of a structure;

  2. b

     the preparation for an intended structure, including site clearance, exploration, investigation (but not site survey) and excavation, and the clearance or preparation of the site or structure for use or occupation at its conclusion;

  3. c

     the assembly on site of prefabricated elements to form a structure or the disassembly on site of prefabricated elements which, immediately before such disassembly, formed a structure;

  4. d

     the removal of a structure or of any product or waste resulting from demolition or dismantling of a structure or from disassembly of prefabricated elements which immediately before such disassembly formed such a structure; and

  5. e

     the installation, commissioning, maintenance, repair or removal of mechanical, electrical, gas, compressed air, hydraulic, telecommunications, computer or similar services which are normally fixed within or to a structure,

  but does not include the exploration for or extraction of mineral resources or preparatory activities carried out at a place where such exploration or extraction is carried out;

• “principal contractor” means the principal contractor appointed under regulation 4;

• “project” means a project that includes or is intended to include construction work and includes all planning, design, management or other work involved in a project until the end of the construction phase.