This Code is a model code intended to provide alternative approaches to remodeling, repair or alteration of existing buildings. A large number of existing buildings and structures do not comply with the current building code requirements for new construction. Although many of these buildings are potentially salvageable, rehabilitation is often cost-prehibitive because compliance with all the requirements for new construction could require extensive changes that go well beyond the value of the building or the original scope of the rehabilitation. At the same time, it is necessary to regulate construction in existing buildings that undergo additions, alterations, renovations, extensive repairs or change of occupancy. Such activity represents an opportunity to ensure that new construction complies with the current building codes and that existing conditions are maintained, at a minimum, to their current level of compliance or are improved as required to meet basic safety levels. to accomplish this objective, and to make the rehabilitation process easier, this code allows for options for controlled departure from full compliance with the International Codes dealing with new construction, while maintaining basic levels for fire prevention, structural and life safety features of the rehabilitated building.Tabs are available.

Changes in this edition include:

• Climate-appropriate alternative added for building located in Tropical Zones.
• In the residential providions, the inclusion of the Energy Rating Index Compliance Alternative as another compliance path adds more flexibility to the IECC.
• Separate Chapters dealing with existing buildings were created in both IECC-Commercial and Residential Provisions

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