2018 IBC UPDATE Handout - iccsafe.org

1 2018 IBC UPDATE Based on the 2018 International Building Code, (IBC ). The International Building Code (IBC ), establishes minimum regulations for building safety. This Handout will identify important changes in the IBC from 2015 to 2018 edition. Participants will be presented with those changes that will most impact their use of the code when they adopt these I-Codes. The learner will receive an overview of the most important code changes. Goal Participants will be able to use this document to identify changes between the 2015 and 2018 IBC allowing them to apply theses code requirements to design, plan submittals and/or inspection. The lecture and activity format allows participants to discuss the changes, reasons for the changes, and answer knowledge review questions. Information presented will allow participants to apply these new code requirements to design, plan review, and/or inspection.

2 Objectives Upon completion, participants will be better able to: Identify the most significant differences between the 2015 and the 2018 IBC. Explain the differences between the current and previous edition. Identify changes in organization and code requirements. Identify the applicability of design, plan review and inspection requirements. Content Chapters of the IBC included in this Handout : Chapter 2, Definitions Chapter 9, fire Protection Chapter 18, Soils and Chapter 3, Use and Occupancy Systems Foundations Classification Chapter 10, Means of Egress Chapter 19, Concrete Chapter 4, Special Detailed Chapter 11, Accessibility Chapter 22, Steel Requirements Based on Use and Chapter 12, Interior Environment Chapter 23, Wood Occupancy Chapter 13 Energy Efficiency Chapter 26, Plastic Chapter 5, Building Heights and Areas Chapter 14, Exterior Walls Chapter 30, Elevators and Chapter 15, Roof Assemblies and Conveying Systems Chapter 6, Types of Construction Rooftop Structures Chapter 31, Special Construction Chapter 7, fire and Smoke Protection Features Chapter 16, Structural Design Appendix G, Flood-Resistant Chapter 17, Special Inspections Construction Chapter 8.

3 Interior Finishes and Tests Appendix N, Replicable Buildings 2018 IBC UPDATE Chapter 2: Definitions Code Section Section Title Description of Change 2018 2015. 202 202 Definitions New definitions include Greenhouse and Repair garage . (Several The definition for Sleeping unit has been clarified while Ambulatory care facility . definitions have and Clinic, outpatient have been deleted. been added to this edition of the IBC, GREENHOUSE. A structure or thermally isolated area of a building that maintains as well as deleting a specialized sunlit environment used for, and essential to, the cultivation, and revising protection or maintenance of plants. existing definitions.) REPAIR GARAGE. A building, structure or portion thereof used for servicing or repairing motor vehicles. SLEEPING UNIT.

4 A room or space in which people sleep, which can also include single unit providing rooms or spaces for one or more persons that includes permanent provisions for sleeping, and can include provisions for living, eating, and either sanitation or kitchen facilities but not both. Such rooms and spaces that are also part of a dwelling unit are not sleeping units. AMBULATORY CARE FACILITY. CLINIC, OUTPATIENT. Chapter 3: Use and Occupancy Code Section Section Title Description of Change 2018 2015. Classification of It has been clarified that occupied roofs are to be assigned one or more occupancy Clarification Outdoor Areas classifications in a manner consistent with the classification of uses inside the building, based upon the fire and life safety hazards posed by the rooftop activities.

5 Assembly Use of Where the use of the greenhouse is assembly in nature due to public access for the Clarification Greenhouses viewing of plants, classification as a Group A-3 occupancy is appropriate. Classification Mercantile Use of Where a greenhouse is provided with public access for the purpose of the display Clarification Greenhouses and sale of plants, a Group M occupancy shall be assigned. Classification , , Classification of Dormitories and similar nontransient uses now are to be considered as Group R-3. Congregate Living occupancies where the occupant load is 16 or less. In addition, transient lodging Facilities houses, such as bed-and-breakfast establishments, can only be considered as Clarification Group R-3 occupancies where their total occupant load is 10 or less.

6 Page 2 2018 IBC UPDATE Chapter 3: Use and Occupancy, Continued Code Section Section Title Description of Change 2018 2015. Owner-Occupied The criteria permitting compliance with the IRC for the design and construction of Modification Lodging Houses owner-occupied lodging houses has been expanded by now also requiring that the total number of lodging house occupants be limited to 10. Classification of Regardless of size, storage rooms and spaces that are accessory to other uses are Modification Accessory Storage to be classified as part of the occupancy to which they are accessory. Spaces Classification of Because a Group U occupancy includes those low-hazard structures that do not Clarification Agricultural conform to any other specific occupancy classification, it has been clarified that Greenhouses greenhouses are only to be considered as Group U where they are not more appropriately classified as one of the other occupancies established in the IBC.

7 Chapter 4: Special Requirements for Use and Occupancy Code Section Section Title Description of Change 2018 2015. Type of The reduction in the minimum required fire -resistance ratings for certain Modification Construction in building elements of high-rise buildings is no longer applicable to Group H- High-Rise 2, H-3 and H-5 occupancies due to the high physical hazard level such Buildings uses pose. Enclosure of The requirement that those spaces not separated from an atrium be Modification Atriums accounted for in the design of the smoke control system now applies only in those cases where the atrium is provided with a smoke control system. Motor Vehicle- Provisions specific to motor-vehicle-related uses have been reformatted in a Clarification Related manner such that those requirements that apply to all such uses have been Occupancies relocated in a single Section Maximum Smoke The allowance for larger smoke compartments in hospitals and other Modification Compartment Size Group I-2, Condition 2 occupancies has now been modified to only include compartments containing single-patient sleeping rooms and suites, as well as those compartments without patient sleeping rooms.

8 Required Egress In Group I-2 occupancies, any smoke compartment that does not have an Modification from Smoke exit from the compartment must now provide direct access to a minimum of Compartments two adjacent smoke compartments. Corridor Shared living spaces, group meeting spaces and multipurpose therapeutic spaces Modification Protection in are now permitted to be open to fire -rated corridors in Group I-1 assisted living Assisted Living housing facilities provided specific conditions are met. Units Group I-1 Cooking A room or space containing a cooking facility with domestic cooking appliances is Addition Facilities now permitted to be open to a corridor in Group I-1 occupancies provided nine specific conditions are met. Dormitory Cooking The installation and use of domestic cooking appliances are now regulated in both Addition Facilities common areas and sleeping rooms of Group R-2 college dormitories.

9 Page 3 2018 IBC UPDATE Chapter 4: Special Requirements for Use and Occupancy, Continued Code Section Section Title Description of Change 2018 2015. 427 Medical Gas In order to provide a more comprehensive and efficient compilation of construction Addition Systems regulations, those IFC medical gas system requirements related directly to building construction have now been replicated in the IBC. 428 Higher Education Higher education laboratories using hazardous materials can now be considered Addition Laboratories Group B occupancies provided such laboratories comply with new Section 428. which provides an alternative approach to the existing control area provisions. Chapter 5: Heights and Areas Code Section Section Title Description of Change 2018 2015. , , Scope of fire Wall The use of fire walls is now strictly limited to only the determination of permissible Use types of construction, based upon allowable building area and height.

10 Modification Allowable Height New criteria is now provided establishing the appropriate methodology in the Addition and Area of regulation of building height in stories above grade plane where one or more Occupied Roofs occupancies is located on the roof. Table Table Allowable Area of The tabular allowable area for nonsprinklered single-story greenhouses classified , , Type VB as Group U occupancies has been substantially increased for Type VB buildings to Note i Note i Greenhouses be consistent with those greenhouses classified as Group B, M, F-2 and E. Modification Sprinklers in The sprinkler omission permitted for indoor participant sport areas of unlimited area Clarification Unlimited Area Group A-4 buildings is now clearly not applicable to storage rooms, press boxes, Group A-4 concession areas and other ancillary spaces.