14R-9-907 Energy conservation.
The provisions of Section 907 of IEBC are adopted by reference with the following modification:
1.   Revise Section 907.1 to read:
"907.1 Minimum requirements.
Level 3 alterations to existing buildings or structures are allowed without requiring the entire building or structure to comply with the energy requirements of the Chicago Energy Conservation Code. The alterations shall conform to the energy requirements of the Chicago Energy Conservation Code."