(1) For the purposes of any public survey the Chief Surveyor or any surveyor authorised by him or her may enter upon any land with such assistance as may reasonably be required, and may affix or set up or place thereon or therein trigonometrical stations, monuments, survey beacons, marks or poles, and do all things necessary for such survey.
(2) The surveyor shall give at least 8 days notice in writing to the owner or occupier of the land of his or her intention to enter thereon. Where the owner or occupier cannot be found the notice shall be placed in a conspicuous place on the land.