(1) Masts, aerial poles and flagpoles which, in the opinion of the local authority, might endanger the safety of the public, by reason of their size, position or nature of construction, shall be constructed—

a) Of steel, timber or other such material as the local authority may, in writing, permit; and

b) If of timber, so as to comply with the provisions of subsections (2) and (3).

(2) Timber whether local or imported shall be sound, of good quality and if of soft wood shall comply with the requirements of merchantable grade C.A.S. 03, Structural timber.

(3) Timber poles shall be pressure-treated with an approved preservative after all cutting and holing has been completed, and shall have their top ends fitted with a protective cap of timber or other approved material.