The following rules must be met: The individual rise must be between 150mm and 220mm. The individual going must be between 220mm and 300mm. The Pitch of the stair cannot be greater than 42 degrees. ... Other Restrictions: Ind. RiseMinimum Ind. Going for 42° pitch 218 mm243 mm 219 mm244 mm 220 mm245 mm 20 more rows