emergency workmeans work of any description the necessity for which could not reasonably have been foreseen by the local authority concerned and which is— (a) required to avert, alleviate or eradicate in its area, or any part of it, the effects or potential effects of any emergency or disaster which involves or is likely to involve risk of serious damage to or destruction of property or risk of injury or danger to health or life;
functional workhas the meaning given to it by sections 8 and 20(1) of the Act;
jobmeans all the functional work which can reasonably be carried out most economically and efficiently under one arrangement;
local authoritymeans such of the local authorities specified in the definition of “local authority” in section 20(1) of the Act as exist in Wales;
the Actmeans the Local Government, Planning and Land Act 1980;
works contracthas the meaning given to it by sections 5(1) and 20(1) of the Act;
works of constructionmeans building or engineering works of any description not being the construction of a sewer or works of maintenance;
works of maintenanceincludes minor renewals, minor improvements and minor extensions.