giving a section 36 notice or deciding to pull down or remove work or effect alterations in it as deemed necessary under section 36(3) of the 1984 Act (removal or alteration of offending work).
rhoi hysbysiad adran 36 neu benderfynu dymchwel neu symud gwaith neu wneud addasiadau ynddo yr ystyrir eu bod yn angenrheidiol o dan adran 36(3) o Ddeddf 1984 (symud neu addasu gwaith tramgwyddus).