Northwest Region CSIS508

Code Part 2Seminar 1A

Stephen Winstead, AIA

Credit(s) earned on completion of this course will be reported to AIA CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

This course is registered with

AIA CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner ofhandling, using, distributing, or dealing in any material or product.___________________________________________Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.

THE VARIOUS OCCUPANCIES1. Assembly (see Section 303): Groups A-1, A-2, A-3, A-4 and A-52. Business (see Section 304): Group B3. Educational (see Section 305): Group E4. Factory and Industrial (see Section 306): Groups F-1 and F-25. High Hazard (see Section 307): Groups H-1, H-2, H-3, H-4 and H-56. Institutional (see Section 308): Groups I-1, I-2, I-3 and I-47. Mercantile (see Section 309): Group M8. Residential (see Section 310): Groups R-1, R-2, R-3 and R-49. Storage (see Section 311): Groups S-1 and S-210. Utility and Miscellaneous (see Section 312): Group U

ACCESSORY USES

ACCESSORY USES

CHANGE IN OCCUPANCY

3408.1 Conformance. No change shall be made in the use oroccupancy of any building that would place the building in adifferent division of the same group of occupancies or in adifferent group of occupancies, unless such building is madeto comply with the requirements of this code for such divisionor group of occupancies. Subject to the approval of thebuilding official, the use or occupancy of existing buildingsshall be permitted to be changed and the building is allowedto be occupied for purposes in other groups without conformingto all the requirements of this code for those groups, providedthe new or proposed use is less hazardous, based on lifeand fire risk, than the existing use.

CHANGE IN OCCUPANCY “OREGON ADDED”

Unless additions or alterations are made to the building or facility, change in use or occupancy alone shall not require compliance with the provisions of Chapter 11, Accessibility.Additionally, changes in occupancy resulting in multifamily dwellings need not comply with Division III, Covered multifamily dwellings.

CHANGE IN OCCUPANCY

3408.2 Certificate of occupancy. A certificate of occupancyshall be issued where it has been determined that the requirements for the new occupancy classification have been met. 3408.3 Stairways. An existing stairway shall not be requiredto comply with the requirements of Section 1009 where theexisting space and construction does not allow a reduction in pitch or slope.

CHANGE IN OCCUPANCY

3408.3 Change in occupancy. When a change in occupancy results in a structure being reclassified to a higher occupancy category, the structure shall conform to the seismic requirements for a new structure of the higher occupancy category.

There are a few exceptions.If it can be shown that the level of performance and seismic safety is equivalent to that of a new structure.

If the change results in a structure being reclassified from Occupancy Category I or II to Occupancy Category III.

ACCESSIBILITYThe 25% rule: “The costs of providing the accessible route are not required to exceed 25 percent of the costs of the alterations affecting the area of primary function.”

The Priority of improvements:ParkingAccessible entranceAccessible routeOne accessible restroomAccessible telephonesAccessible drinking fountainsAccessible elements such as storage and alarms

COMPLIANCE ALTERNATIVES

This concludes The American Institute of Architects Continuing Education Systems

Course

Stephen M. Winstead, AIA swinstead@mac.com503-969-8333