10Meaning of basic building work

10 Meaning of basic building work basic building work— (a) means the following building work: (i) erecting a prefabricated class 10a building; (ii) erecting a class 10a outbuilding; (iii) installing fireplaces or solid-fuel heaters; (iv) non-structural work; but (b) does not include specialist building work. (2) In subsection (1): non-structural work— (a) means work on a part of a building that does not, or is not intended to, carry a structural load imposed or transmitted by another part of a building; and (b) includes work on non-load bearing walls, doors, partitioning, reticulated pipework, ventilation ductwork and building fit-out items; but (c) does not include the following work: (i) work that may affect the structural integrity of a structural element of a building, or weaken or remove, completely or partly, the structural element, if the element is installed in a way that it carries, or can carry, a load of part of a building; (ii) work that involves the use of a structural element to carry, or to possibly carry, a structural load of part of a building. Example for par (c) (i) work that affects the existing bracing beams on a multi-storey car park if the bracing beams are designed to bear wind load, even though most of the time they do not carry any load Examples for par (c) (ii) 1 the installation of a new storey on a building 2 underpinning a subsiding building (3) The regulations may— (a) exempt a kind of work from the definition of basic building work; or (b) include a kind of work in the definition of basic building work.