5(1)The owner or occupier of, or of any part of, a building which is not within the protected property area but is within the City of Cardiff, the Community of Penarth or the Community of Llandough may before the commencement of impoundment require the Development Corporation to arrange a survey of the building; but no more than one survey of a building may be required under this sub-paragraph.U.K.
(2)A person may not require a survey of a building under sub-paragraph (1) above after the end of the period of twelve months beginning with the commencement of construction of the barrage unless—
(a)he was not an owner or occupier of the building, or any part of the building, at any time during that period, and
(b)sufficient time remains to allow the Development Corporation to make all necessary arrangements for the survey to be carried out before the commencement of impoundment.
(3)Where a survey of a building has been carried out under sub-paragraph (1) above the owner or occupier of, or of any part of, the building may during the period beginning two years, and ending three years, after the commencement of impoundment require the Development Corporation to arrange a survey of the building; but no more than one survey of a building may be required under this sub-paragraph.
(4)Where surveys of a building have been carried out under sub-paragraphs (1) and (3) above the owner or occupier of, or of any part of, the building may —
(a)during the period beginning three years, and ending twenty years, after the commencement of impoundment require the Development Corporation to arrange a survey of the building unless a survey of the building has already been required under this paragraph, and
(b)at any time before the end of the period of twenty years beginning with the commencement of impoundment when he is able to show a justifiable concern that the building has suffered or is likely to suffer groundwater damage require the Development Corporation to arrange a survey of the building.
6U.K.The owner or occupier of, or of any part of, a building which is not within the City of Cardiff, the Community of Penarth or the Community of Llandough may at any time during the period beginning with, and ending twenty years after, the commencement of impoundment when he is able to show a justifiable concern that the building has suffered or is likely to suffer groundwater damage require the Development Corporation to arrange a survey of the building.