4Building, engineering and mining operations(1)

“Operations” means building, engineering, mining or other operations.

(2)

“Building operations” includes—

(a)

demolishing a building;

(b)

rebuilding a building;

(c)

making any structural alteration or addition to a building;

(d)

other operations normally undertaken by a person carrying on business as a builder.

(3)

“Engineering operations” includes forming or laying out a means of access to a highway.

(4)

Where placing or assembling a tank in inland waters for the purpose of fish farming would not otherwise be development of the land below the tank, it is to be treated as carrying out engineering operations over that land.

(5)

“Mining operations” means winning and working minerals on land, whether by underground or surface working, and includes—

(a)

removing material of any description from a deposit of—

(i)

mineral waste,

(ii)

pulverised fuel ash or other furnace ash or clinker, or

(iii)

iron, steel or other metallic slags;

(b)

extracting minerals from a disused railway embankment.

(6)

In subsection (3) “means of access” includes any means of access, whether private or public, for vehicles or foot passengers, and includes a street.

(7)

In subsection (4)—

“fish farming” (“ffermio pysgod”) means breeding, rearing or keeping fish or shellfish (which includes all kinds of crustaceans and molluscs);

“inland waters” (“dyfroedd mewndirol”) means waters that do not form part of the sea or of a creek, bay or estuary or of a river as far as the tide flows;

“tank” (“tanc”) includes a cage and any other structure for use in fish farming.