14R-8-809 Plumbing.
The provisions of Section 809 of IEBC are adopted by reference with the following modification:
1.   Revise Section 809.1 to read:
"809.1 Minimum fixtures.
Where the occupant load of a story is increased by more than 20 percent, plumbing fixtures for the story shall be provided in quantities specified in the Chicago Plumbing Code based on the increased occupant load."