(b) any work in connexion with or for the extraction
from the earth of any matter whatsoever;
(c)
any work in connexion with or for the reclamation
of any foreshore and sea-bed;
(d)
dredging or any work in connexion with dredging;
(e)
any work involved in preparing for any operation
of the type referred to in paragraph (a), (b),
(c) or (d); and
(f)
the use of machinery, plant, tools, gear and
materials in connexion with or for any operation
referred to in paragraph (a), (b), (c), (d) or (e);
"direct or indirect hammering or other percussive means"
includes piling by the use of a drop hammer, diesel
hammer, double acting hammer, single acting hammer,
internal drop hammer, pneumatic hammer, steam hammer
or other percussive device, other than a device that
is portable and designed for operation while held by
hand without any other form of support;
"domestic premises" means, in relation to the occupier of
such premises, premises which are his usual or
habitual dwelling place and are used or occupied by
him wholly or principally for dwelling purposes;