In terms of the Regulations Governing General Hygiene Requirements for Food Premises and the transport of Food - R918 of 1999.
Population
No. of Sanitary Conveniences
Number of staff members and the maximum number of customers for whom provision is made to consume food on any premises at any one time.
Number of sanitary conveniences to be installed in relation to the population as given in the first column.
For a population up to:
Men
Women
Latrines
Urinals
Hand Basins
10
1
20
2
40
3
60
4
80
6
5
100
8
120
9
7
140
180
11
Add 1 latrine, 1 hand basin and 1 urinal for every 70 persons in excess of 180 persons.
Add 1 latrine and 1 hand basin for every 35 persons in excess of 180 persons.