(1)Any person duly authorised in writing by the Minister or by a local planning authority may at any reasonable time enter upon any land for the purpose of surveying it in connection with—
(a)the preparation, approval, making or amendment of a development plan relating to the land under Part II of this Act, including the carrying out of any survey under Part II of this Act;
(b)any application under Part III of this Act, or under any order or regulations made thereunder, for any permission, consent or determination to be given or made in connection with that land or any other land under Part III of this Act or under any such order or regulations;
(c)any proposal by the local planning authority or by the Minister to make or serve any order or notice under Part III or Part IV of this Act, or under any order or regulations made thereunder.
(2)Any person, being an officer of the Valuation Office or a person duly authorised in writing by the Minister, may at any reasonable time enter upon any land for the purpose of surveying it, or estimating its value, in connection with a claim for compensation under Part VI of this Act in respect of that land or any other land.
(3)Any person, being an officer of the Valuation Office or a person duly authorised in writing by a local planning authority, may at any reasonable time enter upon any land for the purpose of surveying it, or estimating its value, in connection with a claim for compensation in respect of that land or any other land, being compensation payable by the local planning authority under Part VII of this Act or under Part X thereof, otherwise than as mentioned in subsection (2) of section one hundred and seventy or in paragraph (c) of subsection (1) of section one hundred and seventy-one of this Act.
(4)Any person, being an officer of the Valuation Office or a person duly authorised in writing by a Minister having power to acquire land designated by a development plan under this Act as subject to compulsory acquisition, or to authorise the acquisition of land so designated, and any person duly authorised in writing by a local authority having power to acquire land under Part V of this Act, may at any reasonable time enter upon any land for the purpose of surveying it, or estimating its value, in connection with any proposal to acquire that land or any other land, or in connection with any claim for compensation in respect of any such acquisition.
(5)Any person duly authorised in writing by the Minister or by a local planning authority may at any reasonable time enter upon any land in respect of which an order or notice has been made or served as mentioned in paragraph (c) of subsection (1) of this section, for the purpose of ascertaining whether the order or notice has been complied with.
(6)Subject to the provisions of the next following section, any power conferred by this section to survey land shall be construed as including power to search and bore for the purpose of ascertaining the nature of the subsoil or the presence of minerals therein.