National building regulations, 1996

access to exit adequate aluminium appliance approved asbestos-cement balcony biogas bricks or blocks building or compartment ceiling cement chimney complies with regulation concrete constructed corridor covering damp-proof course Dead load dimensions District Assembly District Planning Authority door drain or private drainage dwelling unit exceed exceeding external wall fire resistance fixed floor area garage ground habitable room hearth height horizontal inspection chamber installed joist kitchen less than 75mm lift shaft lloor located maisonette manholes means of escape mechanical ventilation millimetres minimum moisture mortar non-combustible material private sewer privy accommodation purlins purpose group rafters refuse chute refuse storage regulation shall apply residential roof Schedule separating wall septic tank sheets shingles space specified square metres staircase stairs stairway storey structure sub-part subregulation subsoil suitable surface Table termite thickness tiles timber tion U-Value Unsuitable without exception ventilation verandah vertical waste pipe water closet wood shingles