83 (4) Before carrying out any work under, over or along any land reserved for railway purposes, other than maintenance and repair work, a licensee shall give notice in writing to the National Railways of Zimbabwe of the work he intends to carry out. Entry upon land for telecommunication purposes 4. When, in accordance with this Schedule, a licensee has been permitted to occupy or use any land or has placed a telecommunication line in position, he shall be entitled to reasonable access to such land or line for the purpose of carrying on his operations on the land or of maintaining, removing, repairing or replacing the telecommunication line. Removal of telecommunication lines 5.(1) If it is necessary to alter or remove a telecommunication line owing to any work or operations on the part of the State or a local authority or other person, the cost of the alteration or removal shall be borne by the State or the local authority or other person concerned. (2) If a building is about to be erected on any land and any telecommunication line passing under or over the land will interfere with building operations, the licensee concerned shall, within one month of being required in writing to do so, undertake such alteration or deviation of the telecommunication line as may be necessary to remove the interference. (3) If a licensee is satisfied that any alteration or deviation of a telecommunication line that is desired for any reason, other than that mentioned in subparagraph (2), is possible, necessary or expedient, the licensee shall, within one month of being required in writing to do so, undertake the alteration or deviation, and the cost of carrying out any such alteration or deviation shall be borne by the person at whose request it is made. (4) If by reason of⎯ (a) any excavation, blasting, mining or quarrying operations; or (b) deposits of mining debris or the making of drains, railways or other cuttings or any other operations; or (c) fumes or effluent from any factory, power station or other such premises; or (d) the construction of any dam; any telecommunication line is damaged or, in the opinion of the licensee who erected it, the safety or stability of any telecommunication line is endangered or likely to be adversely affected, the licensee may repair, deviate or alter the telecommunication line and the cost of such repair, deviation or alteration shall be borne by the person by whom or on whose behalf the operations referred to in paragraph (a) or (b) were conducted, the premises referred to in paragraph (c) were operated or the dam was constructed, as the case may be: Provided that, where the alterations or deviations which are necessary or expedient are, in the opinion of the licensee, extensive, the licensee may charge the person concerned such proportion of the cost of the alteration or deviation as the licensee, with the consent of the Authority, considers fair or reasonable.