Article 2
The carrying out, on, in or under any land to which this order applies, of operations for the purposes of:—
the laying of telecommunication cables;
the installation of troughs to house such cables;
the erection or construction of structures to house signal regeneration equipment and the installation of such equipment;
the repair, maintenance, alteration or removal of cables, structures or equipment of the kinds described in paragraphs (a) to (c) above,
is hereby permitted, subject to the following conditions:—
no structure shall be erected, constructed or extended in pursuance of this permission so as to have a height exceeding 3 metres from ground level or (except in the case of a trough to house a telecommunication cable) to cover a ground area exceeding 5 square metres;
no development shall be carried out in pursuance of this permission after the expiration of the period of 25 years beginning with the date when this order comes into operation.