Fire Resistance Test Provisions for Building Elements

Table 4.1 Specific provisions of test for fire resistance of elements of structure and other components of a building Part of building | Minimum provisions when tested to the relevant part of BS 476 (minutes) [Loadbearing capacity / Integrity / Insulation] | Minimum provisions when tested to the relevant European standard (minutes) | Method of exposure 1 Structural frame, beam or column | See Table 4.2 / Not applicable / Not applicable | R see Table 4.2 | Exposed faces 2 Loadbearing wall (which is not also a wall described in any of the following items) | See Table 4.2 / Not applicable / Not applicable | R see Table 4.2 | Each side separately 3 Floors – (a) in upper storey of two storey dwellinghouse (but not over a garage) (b) between a shop and flat above (c) any other floor | 30 / 15 / 15 or 60 or see Table 4.2 (whichever is greater) / 60 or see Table 4.2 (whichever is greater) / See Table 4.2 / See Table 4.2 / See Table 4.2 | REI 30 or REI 60 or see Table 4.2 (whichever is greater) or REI see Table 4.2 | From underside 4 Roofs – (a) any part forming an escape route (b) any roof that performs the function of a floor | 30 / 30 / 30 or See Table 4.2 / See Table 4.2 / See Table 4.2 | REI 30 or REI see Table 4.2 | From underside 5 External walls – (a) any part less than 1 m from any point on the relevant boundary (b) any part 1 m or more from the relevant boundary (c) any part required to have fire resistance to protect an external escape route | See Table 4.2 / See Table 4.2 / See Table 4.2 or See Table 4.2 / See Table 4.2 / 15 or 30 / 30 / No provision | REI see Table 4.2 or REI see Table 4.2 or RE 30 | Each side separately / From inside / From inside 6 Compartment wall separating occupancies | 60 or see Table 4.2 (whichever is less) / 60 or see Table 4.2 (whichever is less) / 60 or see Table 4.2 (whichever is less) | REI 60 or see Table 4.2 (whichever is less) | Each side separately