Power of entry, survey, etc.

(1) Any officer or servant of the Board authorised by it in that behalf, may, with or without asai.tants or workmen, enter into or upon any premises in 01der- (a) to make any inspeotion, survey, mea.o;urement, valuation or inquiry; (b) to rake levele; (c) to dig or bore into the sub-soil; ·1 (d) to oot out tho botmdaries and the intended lines of work:; (e) to mark such levels, bo·uldarios and ijnes by placing marks and cut-ting trenches; or {f) to do any other thing necessary for the purposes Qf th.iH Act or any rules or regu]ations or bye-laws :