The provisions of Section C401 of IECC-CE are adopted by reference with the following modifications:
1. Revise Section C401.1 by replacing "commercial" with "commercial."
2. Revise Section C401.2 and its subsections to read:
"C401.2 Application.
Commercial buildings shall comply with Chapter C6 and either Section C401.2.1, C401.2.2, C401.2.3 or C401.2.4.
C401.2.1 Chicago Energy Transformation Code.
Commercial buildings shall comply with one of the following:
1. Prescriptive Compliance. The Prescriptive Compliance option requires compliance with Sections C402 through C406 and Section C408. Dwelling units and sleeping units in Group R-2 occupancies without systems serving multiple units shall be deemed to be in compliance with this chapter, provided that they comply with Section R406.
2. Total Building Performance. The Total Building Performance option requires compliance with Section C407.
Exception: Additions, alterations, repairs and changes of occupancy to existing buildings complying with Chapter C5.
C401.2.2 ASHRAE 90.1.
Commercial buildings shall comply with the requirements of ANSI/ASHRAE/IESNA 90.1.
C401.2.3 Phius certification.
Commercial buildings shall obtain certification in accordance with Sections 401.2.3.1 and 403.2.3.2.
C401.2.3.1 Construction documents.
The construction documents submitted to the building official shall establish that the project is eligible for certification in accordance with the PHIUS Passive Building Standard Certification Guidebook, including all co-requisite programs applicable to the project type. Such documentation shall include:
1. A design certification letter issued by an approved third-party certification organization.
2. A list of compliance features.
C401.2.3.2 Certification.
Within 180 days of project completion, as evidenced by passing the last required final inspection or issuance of a certificate of occupancy, as applicable in accordance with the Chicago Construction Codes Administrative Provisions, the owner shall submit to the building official a written certification establishing that the project has been certified in accordance with the PHIUS Passive Building Standard Certification Guidebook, including all co-requisite programs applicable to the project type.
C401.2.4 National Green Building Standard certification.
Eligible commercial buildings shall obtain certification in accordance with Sections 401.2.4.1 and 401.2.4.2.
C401.2.4.1 Construction documents.
The construction documents submitted to the building official shall establish that the project is eligible for certification at the gold or emerald level in accordance with ICC 700. Such documentation shall include:
1. Evidence that the project has been registered with an approved third-party certification organization that certifies compliance with ICC 700.
2. Evidence that the project, as designed, is eligible for certification at the gold or emerald level.
3. A list of compliance features.
C401.2.4.2 Certification.
Within 180 days of project completion, as evidenced by passing the last required final inspection or issuance of a certificate of occupancy, as applicable in accordance with the Chicago Construction Codes Administrative Provisions, the owner shall submit to the building official a written certification that the project has achieved certification at the gold or emerald level under ICC 700. The written certification shall be issued by an approved third-party certification organization."
3. Revise Section C401.3 by replacing "an approved party" with "the builder."
4. Revise Section C401.3, item 1, by replacing "basement walls, crawl space walls" with "below-grade walls, crawl space walls."