CLASSIFICATION OF WORK
The provisions of this chapter shall be used in conjunction with Chapters 5 through 12 and shall apply to the alteration, repair, addition and change of occupancy of existing structures, including historic and moved structures, as referenced in Section 101.5.2. The work performed on an existing building shall be classified in accordance with this chapter.
401.1.1 Compliance with other alternatives.
Alterations, repairs, additions and changes of occupancy to existing structures shall comply with the provisions of Chapters 4 through 12 or with one of the alternatives provided in Section 101.5.
401.2 Work area.
The work area, as defined in Chapter 2, shall be identified on the construction documents.
401.3 Occupancy and use.
When determining the appropriate application of the referenced sections of this code, the occupancy and use of a building shall be determined in accordance with Chapter 3 of the Florida Building Code, Building.
Repairs, as defined in Chapter 2, include the patching or restoration or replacement of damaged materials, elements, equipment or fixtures for the purpose of maintaining such components in good or sound condition with respect to existing loads or performance requirements.
Repairs shall comply with the provisions of Chapter 5.
402.3 Related work.
Work on nondamaged components that is necessary for the required repair of damaged components shall be considered part of the repair and shall not be subject to the provisions of Chapter 6, 7, 8, 9 or 10.
Level 1 alterations include the removal and replacement or the covering of existing materials, elements, equipment, or fixtures using new materials, elements, equipment, or fixtures that serve the same purpose. Level 1 alterations shall not include any removal, replacement or covering of existing materials, elements, equipment or fixtures undertaken for purpose of repair as defined in Chapter 2 and described in Section 402.
Level 1 alterations shall comply with the provisions of Chapter 6.
Level 2 alterations include the reconfiguration of space, the addition or elimination of any door or window, the reconfiguration or extension of any system, or the installation of any additional equipment.
Level 3 alterations apply where the work area exceeds 50 percent of the aggregate area of the building and made within any 12-month period.
Exception: Work areas in which the alteration work is exclusively plumbing, mechanical or electrical shall not be included in the computation of total area of all work areas.
CHANGE OF OCCUPANCY
Change of occupancy provisions apply where the activity is classified as a change of occupancy as defined in Chapter 2.
Changes of occupancy shall comply with the provisions of Chapter 9.
Provisions for additions shall apply where work is classified as an addition as defined in Chapter 2.
Additions to existing buildings shall comply with the provisions of Chapter 10.
Historic buildings provisions shall apply to buildings classified as historic as defined in Chapter 11.
Except as specifically provided for in Chapter 11, historic buildings shall comply with applicable provisions of this code for the type of work being performed.
Relocated buildings provisions shall apply to relocated or moved buildings.
Relocated buildings shall comply with the provisions of Chapter 12.
Retrofitting of buildings, as defined in Chapter 2, includes work of a voluntary nature for the purposes of improving the ability of the building or building elements or building components to better serve the purpose for which they were originally intended or the purpose that current building codes intend. Retrofit work shall not include repair work as defined in Chapter 2 and described in Section 402.1.
Retrofitting of existing buildings shall comply with the provisions of Chapter 16 of this code.