The Ontario Building Code | Plumbing Fixtures for Industrial Occupancies
3.7.4.9. Plumbing Fixtures for industrial Occupancies
(1) Except as provided in Sentence (2), the number of water closets and lavatories required for industrial occupanciesshall conform to Table 3.7.4.9.
Table 3.7.4.9.
Plumbing Fixtures for industrial Occupancies
Forming Part of Sentence 3.7.4.9.(1)
| Item | Column 1 Number of Persons of Each Sex | Column 2 Minimum Number of water Closets and Lavatories for Each Sex |
| 1. | up to 9 | 1 |
| 2. | 10 to 24 | 2 |
| 3. | 25 to 49 | 3 |
| 4. | 50 to 74 | 4 |
| 5. | 75 to 100 | 5 |
| 6. | over 100 | 6 plus 1 for each additional increment of 30 persons of each sex in excess of 100 |
(2) Not more than one water closet to serve both sexes need be provided in a Group F occupancy where,
(a) the occupant load is not more than 10 persons, or
(b) the total area of the occupancy, excluding basements, is not more than 300 m2.