(1) Not less than two days before commencing to clean the site or to undertake any work thereon, the builder or plumber shall give notice to the local authority for such purpose, of the date upon which he intends to commence work upon the site.

(2) The notice referred to in subsection (1) shall nominate a person who shall represent-

a) the owner; and

b) the builder or plumber;

to whom the local authority may give any instructions, directions or notices addressed to such owner, builder or plumber in respect of the building or sewerage work to be undertaken on the site.

The same person not to be appointed to represent both the owner and the builder or plumber.