For this scheme, 'construction industry' means the industry of carrying out building work or electrical and metal trades work.

Building work means:

• the construction or erection of a building or structure that is or is to be fixed to the ground and wholly or partially fabricated on-site;
• any preliminary site preparation work (including pile driving) for the construction or erection of any such building or structure;
• the alteration, maintenance, repair or demolition of any building or structure
• the laying of pipes and other prefabricated materials in the ground, and any associated excavation work

Electrical and metal trades work means:

• electrical or metal work associated with the construction or erection of a building or structure that is to be fixed to the ground and wholly or partially constructed on site;
• electrical or metal work associated with the alteration or demolition of a building or structure;
• the construction, erection, installation, extension, alteration or dismantling of a transmission or distribution line, or plant, plant facility or equipment used in connection with the supply of electricity;
• the construction, erection, installation, extension, alteration or dismantling of an air-conditioning, ventilation or refrigeration system;
• the construction, erection, installation, extension, alteration, servicing, repairing, replacing of parts or dismantling of a lift or escalator;
• electrical or metal work associated with other engineering projects (whether or not within the ambit of a preceding paragraph)

Structures include:

• a tank or other structure for the storage or supply of water;
• sewerage or effluent drains and associated structures;
• a bridge, viaduct, aquaduct or tunnel;
• a chimney stack or cooling tower;
• a silo;
• a dock, jetty, pier or wharf

‘Building’ includes part of a building