A set of functional requirements that completed building work must deliver in order to achieve reasonable standards of health, safety, welfare and convenience of people in or about buildings.
Set o ofynion swyddogaethol y mae’n rhaid i waith adeiladu wedi’i gwblhau eu bodloni er mwyn cyflawni safonau rhesymol o iechyd, diogelwch, lles a hwylustod y bobl mewn adeiladau neu o’u cwmpas.