Final Draft/Rev.5 Trees obstructing telecommunicati on lines Electrical works, etc. to conform to requirements 37. (1) Where a telecommunication line is or may be interfered with or endangered by a tree or undergrowth, the licensee may, at its expense, cause such tree or undergrowth to be cut down or trimmed. (2) The licensee shall seek the permission of the plot owner or occupier of the land to carry out the necessary cutting down or trimming of obstructing trees. 38. (1) Any person intending to erect, move or alter any line for the transmission of electricity shall, before erecting, moving or altering such line, obtain the written approval of the licensee, in order to ensure that the proposed line shall not injuriously affect any existing or proposed telecommunication line. (2) Where any line for the transmission of electricity is so constructed as to injuriously affect any telecommunication line or proposed telecommunication line, the owner of such line for the transmission of electricity shall make such alterations thereto as the licensee may determine: Provided that if it is more economical or practical to do so, the licensee shall, at its own expense, move or alter the telecommunication line in question. (3) The cost of any alteration made to, or movement of, existing lines for the transmission of electricity to avoid interference with proposed telecommunication lines shall be borne by the licensee provided that the electricity line was lawfully erected; except that in all other cases the cost of alteration or movement shall be borne by the owner of the electricity line. Height and depth of lines 39. (1) The height and depth of telecommunication lines shall be as follows (a) along any land, street, road or footpath, at least 3 metres; 20