(i) Whenever it appears to the State Government merit that for the purpose of any hydro-electric project or flood control work it is necessary to carry on survey and preliminary investigation in * Published vide Orissa Act No. 10 OF 1961 The Odisha Gazette EXTRAORDINARY PUBLISHED BY AUTHORITY No. Dated : 6th October 1961 2 respect of lands in any locality to ascertain the suitability of such land for the said purpose, a notification specifying the locality in which such survey and investigation proceedings are to be carried on shall be published by the State Government in the Gazette and the Chief Engineer shall cause public notice of the substance of such notification to be given at convenient places in the said locality.
(2) Thereupon the Chief Engineer may authorise any officer subordinate to him and not below the rank of an overseer to carry on such survey and investi gation proceedings in respect of any such land excluding the land over which a building stands.
(3) It shall be lawful for such officer and his servants and workmen to"
(a) enter upon and survey and take levels of any such land;
(b) make any survey mark and to fix reference marts by drilling pegs, fixing stones or by constructing masonry pillars of the size of about two feet by two feet up to a maximum height of five feet;
(c) dig trial pits of the size of about three feet by three feet up to a maximum depth of ten feet;
(d) bore into the sub-soil;
(e) do all other acts necessary to ascertain the suitability of the land for the said purpose; and
(f) where otherwise such proceedings cannot be completed, cut down and clear away any part or the whole of any standing crop, fence or jungle:
Provided that if such officer proposes to enter into any enclosed courtyard or garden attached to a dwelling house he shall give the occupier of such building a notice of at least twenty-four hours of his intention to do so.