The Ontario Building Code | Application

8.4.1.2. application

(1) A Class 2 sewage system shall be designed only for the treatment and disposal of greywater.

(2) The total daily design flow for a Class 2 sewage system shall be calculated based on the fixturesdischarging to the system as follows:

(a) 200 L per fixture unit where there is a supply of pressurized water, and

(b) 125 L per fixture unit where there is no supply of pressurized water.

8.4.2. design and Construction Requirements