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National Building Regulations and Building Standards Act, 1977 (Act No. 103 of 1977)

Regulations

Part A : Administration

A21. Population

 

(1) The population of any room or storey or portion thereof shall be taken as the actual population of such room, storey or portion thereof where such population is known or, where such population is not known, the population shall be calculated from the criteria given in Table 2.
(2) In the case of any occupancy classified as F1, where the total floor area is more than 500 m2, that portion of the floor area that is in excess of 500 m2 shall, for the purposes of calculation of the population be reduced by an amount of 20 %.

 

TABLE 2 - DESIGN POPULATION

1

2

Class of occupancy of room or storey or portion thereof

Population

A1, A2, A4, A5

Number of fixed seats or 1 person per m2 if there are no fixed seats

E1, E3, H1, H3, H4

2 persons per bedroom

E4

16 persons provided that the total number of persons per room is not more than 4.

G1

1 person per 15 m2

J1, J2, J3, J4

1 person per 50 m2

C1, E2, F1, F2

1 person per 10 m2

B1, B2, B3, D1, D2, D3

1 person per 15 m2

C2, F3

1 person per 5 m2

A3, H2

1 person per 5 m2

 

[Regulation A21 Table 2 substituted by regulation 72 of Notice No. R. 574 of 2008]