The provisions of Section 1101 of IEBC are adopted by reference with the following modifications:
1. Revise Section 1101.1 to read:
"1101.1 Scope.
An addition to an existing building and the facilities and systems serving the addition shall comply with the Chicago Construction Codes as adopted for new construction without requiring the existing building to comply with any requirements of those codes or of these provisions, except as required by this chapter."
2. Revise Section 1101.2 to read:
"1101.2 Creation or extension of nonconformity.
An addition shall not create or extend any nonconformity in the existing building to which the addition is being made with regard to accessibility, structural strength, fire safety, means of egress, natural light and ventilation, or the capacity of mechanical, plumbing or electrical systems."
3. Revise Section 1101.3 to read:
"1101.3 Other work.
Any repair or alteration work within an existing building to which an addition is being made shall comply with the applicable requirements for the work as classified in Chapters 4 and 6."