Powers of entry on buildings or land.

The Chief Administrator may authorise any person after giving twenty-four hours notice to the owner or occupier, or if there be no occupier, to the owner of any building or land, at any time between sunrise and sunset— (a) to enter on and to survey, and to take levels or measurements of any buildings or land; (b) to enter into any buildings or on any land for the purpose of ascertaining the course of sewers of drains; (c) to enter into any building or on any land for the purpose of ascertaining whether any building is being or has been erected or re-erected without sanction or in contravention of any of the rules framed thereunder and to do all other such acts and measurements as may be necessary.