Technical Booklet E Fire Safety·Page 90·4.3
National tests for fire resistance determination
Fire resistance performance under National determination must be tested according to specific BS 476 standards depending on the element type: loadbearing elements, non-loadbearing elements, suspended ceilings, ventilation ducts, or elements tested prior to 1st January 1988.
Under National determination performance in respect of fire resistance should be determined in accordance with, in the case of –
(a) loadbearing elements – BS 476: Parts 20 and 21;
(b) non-loadbearing elements – BS 476: Parts 20 and 22;
(c) suspended ceilings – BS 476: Parts 20 and 23;
(d) ventilation ducts – BS 476: Parts 20 and 24; and
(e) any element of construction tested prior to 1st January 1988 – BS 476: Part 8.
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