Building (Amendment) Regulations (Northern Ireland) 1998

D4 Deemed-to-satisfy provisions for disproportionate collapse

The requirements of regulation D3 shall be deemed to be satisfied in relation to a building if the design and construction of the work on that building is in accordance with—

(a) the relevant recommendations of the following documents (taking account of the recommendations on ties and on the effect of misuse or accident), that is to say, in the case of—

(i) structural work of reinforced, prestressed or plain concrete—

• BS 8110: Part 1: 1997 and BS 8110: Part 2: 1985;

(ii) structural work of steel—

• BS 5950: Part 1: 1990 (the accidental loading referred to in clause 2.4.5.5 shall be chosen having particular regard to the importance of the key elements and the consequences of failure, and the key element shall always be capable of withstanding a load of at least 34 kN/m² applied from any direction); and

(iii) structural work of masonry—

• BS 5628: Part 1: 1992; and

(b) the procedures contained in DOE (NI) Technical Booklet D: 1994: Section 6.