Means of egress and life-safety during construction

Grounded in the retrieved California Existing Building Code — click a citation to read the verbatim passage:

• CEBC § 1001.1 High relevance — show source text

  on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

  10 MEANS OF EGRESS

  User notes:

  About this chapter: Chapter 10 provides the general criteria for designing the means of egress established as the primary method for protection of people in buildings by allowing timely relocation or evacuation of building occupants. Both prescriptive and performance language is utilized in this chapter to provide for a basic approach in the determination of a safe exiting system for all occupancies. It addresses all portions of the egress system (exit access, exits and exit discharge) and includes design requirements as well as provisions regulating individual components. The requirements detail the size, arrangement, number and protection of means of egress components. Functional and operational characteristics that will permit the safe use of components without special knowledge or effort are specified.

  The means of egress protection requirements work in coordination with other sections of the code, such as protection of vertical openings (see Chapter 7), interior finish (see Chapter 8), fire suppression and detection systems (see Chapter 9) and numerous others, all having an impact on life safety. Chapter 10 is subdivided into four main sections: general (Sections 1003–1015), exit access (Sections 1016–1021), exit (Sections 1022–1027) and exit discharge (Sections 1028–1029). Special allowances for the unique requirements for assembly spaces (Section 1030) and emergency escape and rescue openings (Section 1031) complete the chapter. Chapter 10 of this code is duplicated in Chapter 10 the California Fire Code; however, the California Fire Code contains one additional section on maintenance of the means of egress system in existing buildings.

  SECTION 1001—ADMINISTRATION

  1001.1 General. Buildings or portions thereof shall be provided with a means of egress system as required by this chapter. The provisions of this chapter shall control the design, construction and arrangement of means of egress components required to provide an approved means of egress from structures and portions thereof.

  1001.2 Minimum requirements. It shall be unlawful to alter a building or structure in a manner that will reduce the number of exits or the minimum width or required capacity of the means of egress to less than required by this code.

  SECTION 1002—MAINTENANCE AND PLANS

  [F] 1002.1 Maintenance. Means of egress shall be maintained in accordance with the California Fire Code .

  [F] 1002.2 Fire safety and evacuation plans. Fire safety and evacuation plans shall be provided for all occupancies and buildings where required by the California Fire Code . Such fire safety and evacuation plans shall comply with the applicable provisions of Sections 401.2 and 404 of the California Fire Code .

  SECTION 1003—GENERAL MEANS OF EGRESS

  1003.1 Applicability. The general requirements specified in Sections 1003 through 1015 shall apply to all three elements of the means of egress system, in addition to those specific requirements for the exit access, the exit and the exit discharge detailed elsewhere in this chapter.

• CEBC § 3308.2 High relevance — show source text

  3308.2 Utility fixtures. Building materials, fences, sheds or any obstruction of any kind shall not be placed so as to obstruct free approach to any fire hydrant, fire department connection, utility pole, manhole, fire alarm box or catch basin, or so as to interfere with the passage of water in the gutter. Protection against damage shall be provided to such utility fixtures during the progress of the work, but sight of them shall not be obstructed.

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  SAFEGUARDS DURING CONSTRUCTION

  SECTION 3309—FIRE EXTINGUISHERS

  [F] 3309.1 Where required. Structures under construction, alteration or demolition shall be provided with not fewer than one approved portable fire extinguisher in accordance with Section 906 and sized for not less than ordinary hazard as follows:

  1. At each stairway on all floor levels where combustible materials have accumulated.
  2. In every storage and construction shed.
  3. Additional portable fire extinguishers shall be provided where special hazards exist, such as the storage and use of flammable and combustible liquids.

  [F] 3309.2 Fire hazards. The provisions of this code and the California Fire Code shall be strictly observed to safeguard against all fire hazards attendant upon construction operations.

  SECTION 3310—MEANS OF EGRESS

  3310.1 Stairways required. Where building construction exceeds 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access, a temporary or permanent stairway shall be provided. As construction progresses, such stairway shall be extended to within one floor of the highest point of construction having secured decking or flooring.

  [F] 3310.2 Maintenance of means of egress. Means of egress and required accessible means of egress shall be maintained at all times during construction, demolition, remodeling or alterations and additions to any building.

  Exception: Existing means of egress need not be maintained where approved temporary means of egress systems and facilities are provided.

  SECTION 3311—STANDPIPES

  [F] 3311.1 Where required. In buildings required to have standpipes by Section 905.3.1, not fewer than one standpipe shall be provided for use during construction. Such standpipes shall be installed prior to construction exceeding 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access. Such standpipes shall be provided with fire department hose connections at locations adjacent to stairways complying with Section 3310.1. As construction progresses, such standpipes shall be extended to within one floor of the highest point of construction having secured decking or flooring.

  [F] 3311.2 Buildings being demolished. Where a building is being demolished and a standpipe exists within such a building, such standpipe shall be maintained in an operable condition so as to be available for use by the fire department. Such standpipe shall be demolished with the building but shall not be demolished more than one floor below the floor being demolished.

  [F] 3311.3 Detailed requirements. Standpipes shall be installed in accordance with the provisions of Chapter 9.

  Exception: Standpipes shall be either temporary or permanent in nature, and with or without a water supply, provided that such standpipes conform to the requirements of Section 905 as to capacity, outlets and materials.

  SECTION 3312—AUTOMATIC SPRINKLER SYSTEM

• CEBC § 102.4 High relevance — show source text

  Chapter 14 is applicable to any building that is moved or relocated. This chapter is independent of any of the three compliance methods and focuses on the structural loads where the building is being relocated.

  Chapter 15 Construction Safeguards.

  Chapter 15 establishes specific regulations in order to minimize the risk to the public and adjacent property during construction. Additionally, this chapter addresses fire and life safety and means of egress during the construction process. This includes requirements for a site safety plan. This chapter is also consistent with Chapter 33 of the CBC and Chapter 33 of the California Fire Code (CFC).

  Chapter 16 Referenced Standards.

  Chapter 16 lists all of the product and installation standards and codes that are referenced throughout Chapters 1 through 15 and includes identification of the promulgators and the section numbers in which the standards and codes are referenced. As stated in Section 102.4, these standards and codes become an enforceable part of the code (to the prescribed extent of the reference) as if printed in the body of the code.

  Appendix A Guidelines for the Seismic Retrofit of Existing Buildings.

  Appendix A provides guidelines for upgrading the seismic resistance capacity of different types of existing buildings. It is organized into separate chapters which deal with buildings of different types, including unreinforced masonry buildings, reinforced concrete and reinforced masonry wall buildings, and lightframe wood buildings. This appendix includes its own referenced standards.

  Appendix B Supplementary Accessibility Requirements for Existing Buildings and Facilities.

  Chapters 11A and 11B of the CBC contain provisions that set forth requirements for accessibility to buildings and their associated sites and facilities for people with physical disabilities. Appendix B was added to address accessibility in construction for items that are not typically enforceable through the traditional building code enforcement process.

  Appendix C Guidelines for the Wind Retrofit of Existing Buildings.

  The purpose of Appendix C is to provide voluntary prescriptive alternatives for addressing the retrofit of buildings in high-wind areas. Currently, there are two chapters which deal with the retrofit of gable ends and the fastening of roof decks, Appendix Chapters C1 and C2, respectively. This appendix includes its own referenced standards.

  Appendix D Board of Appeals.

  Appendix D contains the provisions for appeal and the establishment of a board of appeals. The provisions include the application for an appeal, the makeup of the board of appeals and the conduct of the appeal process.

  Appendix E Temporary Emergency Uses.

  Appendix E is intended to provide guidance for designers, engineers, architects and fire and building officials on allowing temporary emergency uses of existing buildings with respect to the minimum code requirements. This appendix is a template or checklist that references the relevant code requirement of concerns.

  Resource A Guidelines on Fire Ratings of Archaic Materials and Assemblies.

  In the process of repair and alteration of existing buildings, based on the nature and the extent of the work, the CEBC might require certain upgrades in the fire-resistance rating of building elements, at which time it becomes critical for the designers and the code

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  officials to be able to determine the fire-resistance rating of the existing building elements as part of the overall evaluation for the assessment of the need for improvements. These guidelines are based upon the Guideline on Fire Ratings of Archaic Materials published by the National Institute of Building Sciences (NIBS).

  2025 CALIFORNIA EXISTING BUILDING CODE xv

• CEBC § 1305.2.1 High relevance — show source text

  travel distance: ______________________|Maximum exit access travel distance: ______________________|Elevator controls:|Yes _______No _______| |Means of egress emergency
  lighting:|Yes _______No _______|Mixed occupancies:|Yes _______No _______| |Standpipes:|Yes _______No _______|Care recipients ability for self-preservation: ____________________|Care recipients ability for self-preservation: ____________________| |Incidental use:|Yes _______No _______|Care recipients concentration: _______________________________|Care recipients concentration: _______________________________| |Smoke compartmentation less
  than 22,500 ft2 (2092 m2):|Yes _______No _______|Attendant-to-care recipients ratio: ____________________________|Attendant-to-care recipients ratio: ____________________________| |SAFETY PARAMETERS|FIRE SAFETY (FS)|MEANS OF EGRESS (ME)|GENERAL SAFETY (GS)| |1305.2.1 Building height|||| |1305.2.2 Building area|||| |1305.2.3 Compartmentation|||| |1305.2.4 Tenant and dwelling unit
  separations|||| |1305.2.5 Corridor walls|||| |1305.2.6 Vertical openings|||| |1305.2.7 HVAC systems|||| |1305.2.8 Automatic fire detection|||| |1305.2.9 Fire alarm system|||| |1305.2.10 Smoke control|* * * ||| |1305.2.11 Means of egress| * * ||| |1305.2.12 Dead ends| * * ||| |1305.2.13 Maximum exit access
  travel distance| * * ||| |1305.2.14 Elevator control|||| |1305.2.15 Means of egress emer-
  gency lighting| * * ||| |1305.2.16 Mixed occupancies|| * * || |1305.2.17 Automatic sprinklers||÷ 2 =|| |1305.2.18 Standpipes|||| |1305.2.19 Incidental use|||| |1305.2.20 Smoke
  compartmentation|||| |1305.2.21.1 Care recipients ability
  for self-preservationa| * * ||| |1305.2.21.2 Care recipients
  concentrationa| * * ||| |1305.2.21.3 Attendant-to-care
  recipients ratioa| * * ||| |Building score–total value|||| | * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * *No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.|

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  PERFORMANCE COMPLIANCE METHODS

  1306.2 Safety scores. The values in Table 1306.2 are the required mandatory safety scores for the evaluation process listed in Section 1305.2.

• CEBC § 1508.1 High relevance — show source text

  [BE] 1508.1 Stairways required. Where building construction exceeds 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access, a temporary or permanent stairway shall be provided. As construction progresses, such stairway shall be extended to within one floor of the highest point of construction having secured decking or flooring.

  [F] 1508.2 Maintenance of means of egress. Means of egress and required accessible means of egress shall be maintained at all times during construction, demolition, remodeling or alterations and additions to any building.

  Exception: Existing means of egress need not be maintained where approved temporary means of egress and accessible means of egress systems and facilities are provided.

  SECTION 1509—STANDPIPES

  [F] 1509.1 Where required. In buildings required to have standpipes by Section 905.3.1 of the California Building Code, not less than one standpipe shall be provided for use during construction. Such standpipes shall be installed prior to construction exceeding 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access. Such standpipes shall be provided with fire department hose connections at locations adjacent to stairways, complying with Section 1508.1. As construction progresses, such standpipes shall be extended to within one floor of the highest point of construction having secured decking or flooring.

  [F] 1509.2 Buildings being demolished. Where a building or portion of a building is being demolished and a standpipe is existing within such a building, such standpipe shall be maintained in an operable condition so as to be available for use by the fire department. Such standpipe shall be demolished with the building but shall not be demolished more than one floor below the floor being demolished.

  [F] 1509.3 Detailed requirements. Standpipes shall be installed in accordance with the provisions of Chapter 9 of the California Building Code .

  Exception: Standpipes shall be either temporary or permanent in nature, and with or without a water supply, provided that such standpipes conform to the requirements of Section 905 of the California Building Code as to capacity, outlets and materials.

  SECTION 1510—AUTOMATIC SPRINKLER SYSTEM

  [F] 1510.1 Completion before occupancy. In buildings where an automatic sprinkler system is required by this code or the California Building Code, it shall be unlawful to occupy any portions of a building or structure until the automatic sprinkler system installation has been tested and approved, except as provided in Section 110.3.

  [F] 1510.2 Operation of valves. Operation of sprinkler control valves shall be permitted only by properly authorized personnel and shall be accompanied by notification of duly designated parties. When the sprinkler protection is being regularly turned off and on to

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  CONSTRUCTION SAFEGUARDS

  facilitate connection of newly completed segments, the sprinkler control valves shall be checked at the end of each work period to ascertain that protection is in service.

  SECTION 1511—ACCESSIBILITY

  [BE] 1511.1 Construction sites. Structures, sites and equipment directly associated with the actual process of construction, including, but not limited to, scaffolding, bridging, material hoists, material storage or construction trailers, are not required to be accessible.

• CFC § 701 High relevance — show source text

  Chapter 7 Fire and Smoke Protection Features

  The maintenance of assemblies required to be fire-resistance rated is a key component in a passive fire protection philosophy. Chapter 7 sets forth requirements to maintain required fire-resistance ratings of building elements and limit fire spread. Section 701 addresses the basics of what construction elements such as fire barriers and smoke barriers need to be maintained as well as defining the owner’s responsibility. Sections 703 through 708, deals with various fire and smoke protection features that must also be maintained.

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  Chapter 8 Interior Finish, Decorative Materials and Furnishings

  The overall purpose of Chapter 8 is to regulate interior finishes, decorative materials and furnishings in new and existing buildings so that they do not significantly add to or create fire hazards within buildings. This chapter is consistent with Chapter 8 of the CBC, which regulates the interior finishes of new buildings.

  Chapter 9 Fire Protection and Life Safety Systems

  Chapter 9 prescribes the minimum requirements for active systems of fire protection equipment to perform the following functions: detect a fire, alert the occupants or fire department of a fire emergency, and control smoke and control or extinguish the fire. Generally, the requirements are based on the occupancy, the height and the area of the building because these are the factors that most affect firefighting capabilities and the relative hazard of a specific building or portion thereof. This chapter parallels and is substantially duplicated in Chapter 9 of the CBC; however, this chapter also contains periodic testing criteria that are not contained in the CBC. In addition, the special fire protection system requirements based on use and occupancy found in CBC Chapter 4 are duplicated in CFC Chapter 9 as a user convenience.

  Chapter 10 Means of Egress

  The criteria in Chapter 10 regulating the design of the means of egress system are established as the primary method for protection of occupants by allowing timely relocation or evacuation. Both prescriptive and performance language is utilized for determination of a safe exiting system. It addresses all portions of the means of egress system (i.e., exit access, exits and exit discharge) and includes design requirements as well as provisions regulating individual components. The requirements detail the size, arrangement, number and protection of means of egress components. The means of egress protection requirements work in coordination with other sections of the code, such as protection of vertical openings (see Chapter 7 of the CBC), interior finish (see Chapter 8 of the CBC), fire suppression and detection systems (see Chapter 9) and numerous others, all having an impact on life safety. Chapter 10 of the CBC is duplicated in Chapter 10 of the CFC; however, the CFC contains one additional section on the maintenance of the means of egress system in existing buildings.

  Chapter 11 Construction Requirements for Existing Buildings

  Chapter 11 applies to existing buildings constructed prior to the adoption of the code and intends to provide a minimum degree of fire and life safety to persons occupying existing buildings by providing for retroactive requirements to install or upgrade fire safety features to such buildings that do not comply with the minimum requirements of the CBC. Prior to the 2009 edition, its content existed in the CFC but in a random manner that was neither efficient nor user-friendly. In the 2007/2008 International Code Council (ICC) code development cycle, a code change (F294-07/ 08) was approved that consolidated the retroactive elements of CFC into a single chapter for easier and more efficient reference and application to existing buildings.

  Chapter 12 Energy Systems

• CEBC § 1011.2.1.1 High relevance — show source text

  1011.2.1.1 Nonrequired automatic sprinkler systems. The code official is authorized to permit the removal of an existing automatic sprinkler system where all of the following conditions exist:

  1. The system is not required for new construction.
  2. Portions of the system that are exposed to the public are removed.
  3. The system was not installed as part of any special construction features, including fire-resistance-rated assemblies and smoke-resistive assemblies, conditions of occupancy, means of egress conditions, fire code deficiencies, approved modifications or approved alternative materials, design and methods of construction, and equipment applying to the building.

  1011.2.1.1.1 Approval. Plans, investigation and evaluation reports, and other data shall be submitted documenting compliance with Section 1011.2.1.1 for review and approval in support of a determination authorizing the removal of the automatic sprinkler system by the code official.

  1011.2.2 Fire alarm and detection system. Where a change in occupancy classification occurs or where there is a change of occupancy within a space where there is a different fire protection system threshold requirement in Chapter 9 of the current Cali- fornia Building Code than exists in the current building or space that requires a fire alarm and detection system to be provided based on the new occupancy, such system shall be in accordance with Chapter 11 and Section 907 of the California Fire Code.

  1011.3 Interior finish. In areas of the building undergoing the change of occupancy classification, the interior finish of walls and ceilings shall comply with the requirements of the California Building Code for the new occupancy classification.

  1011.4 Enhanced classroom acoustics. In Group E occupancies, where the work area is a Level 3 alteration, enhanced classroom acoustics shall be provided in all classrooms with a volume of 20,000 cubic feet (565 m [3] ) or less. Enhanced classroom acoustics shall comply with the reverberation time in Section 808 of ICC A117.1.

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  1011.5 Means of egress, general. Hazard categories in regard to life safety and means of egress shall be in accordance with Table 1011.5.

  TABLE 1011.5—MEANS OF EGRESS HAZARD CATEGORIES	Col2
  RELATIVE HAZARD	OCCUPANCY CLASSIFICATIONS
  1 (Highest Hazard)	H (Not Allowed)
  2	I-2; I-3; I-4_(Not Allowed)_
  3	A; E; M; R-1; R-2; R-4
  4	B; F-1; R-3; R-4, S-1
  5 (Lowest Hazard)	F-2; S-2; U

  1011.5.1 Means of egress for change to a higher-hazard category. Where a change of occupancy classification is made to a higher-hazard category (lower number) as shown in Table 1011.5, the means of egress shall comply with the requirements of Chapter 10 of the California Building Code .

  Exceptions:

  1. Stairways shall be enclosed in compliance with the applicable provisions of Section 903.1.
• CEBC § 3310.2 High relevance — show source text

  [F] 3310.2 Maintenance of means of egress. Means of egress and required accessible means of egress shall be maintained at all times during construction, demolition, remodeling or alterations and additions to any building.

  Exception: Existing means of egress need not be maintained where approved temporary means of egress systems and facilities are provided.

  SECTION 3311—STANDPIPES

  [F] 3311.1 Where required. In buildings required to have standpipes by Section 905.3.1, not fewer than one standpipe shall be provided for use during construction. Such standpipes shall be installed prior to construction exceeding 40 feet (12 192 mm) in height above the lowest level of fire department vehicle access. Such standpipes shall be provided with fire department hose connections at locations adjacent to stairways complying with Section 3310.1. As construction progresses, such standpipes shall be extended to within one floor of the highest point of construction having secured decking or flooring.

  [F] 3311.2 Buildings being demolished. Where a building is being demolished and a standpipe exists within such a building, such standpipe shall be maintained in an operable condition so as to be available for use by the fire department. Such standpipe shall be demolished with the building but shall not be demolished more than one floor below the floor being demolished.

  [F] 3311.3 Detailed requirements. Standpipes shall be installed in accordance with the provisions of Chapter 9.

  Exception: Standpipes shall be either temporary or permanent in nature, and with or without a water supply, provided that such standpipes conform to the requirements of Section 905 as to capacity, outlets and materials.

  SECTION 3312—AUTOMATIC SPRINKLER SYSTEM

  [F] 3312.1 Completion before occupancy. In buildings where an automatic sprinkler system is required by this code, it shall be unlawful to occupy any portion of a building or structure until the automatic sprinkler system installation has been tested and approved, except as provided in Section 111.3.

  [F] 3312.2 Operation of valves. Operation of sprinkler control valves shall be permitted only by properly authorized personnel and shall be accompanied by notification of duly designated parties. When the sprinkler protection is being regularly turned off and on to facilitate connection of newly completed segments, the sprinkler control valves shall be checked at the end of each work period to ascertain that protection is in service.

  SECTION 3313—WATER SUPPLY FOR FIRE PROTECTION

  [F] 3313.1 Where required. An approved water supply for fire protection, either temporary or permanent, shall be made available as soon as combustible building materials arrive on the site, on commencement of vertical combustible construction, and on installation of a standpipe system in buildings under construction, in accordance with Sections 3313.2 through 3313.5.

  Exception: The fire code official is authorized to reduce the fire-flow requirements for isolated buildings or a group of buildings in rural areas or small communities where the development of full fire-flow requirements is impractical.

• CEBC § 1.1.2 High relevance — show source text

  1.1.2 Purpose. The purpose of this code is to establish the minimum requirements to safeguard the public health, safety and general welfare through structural strength, means of egress facilities, stability, access to persons with disabilities, sanitation, adequate lighting and ventilation and energy conservation; safety to life and property from fire and other hazards attributed to the built environment; and to provide safety to firefighters and emergency responders during emergency operations.

  1.1.3 Scope. The provisions of this code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures throughout the State of California. [HCD 1 & 2] The provisions of this code shall apply to repair, alteration, change of occupancy, addition to and relocation of every existing building or structure or any appurtenances connected or attached to such buildings or structures throughout the State of California.

  1.1.3.1 Nonstate-regulated buildings, structures and applications. Except as modified by local ordinance pursuant to Section 1.1.8, the following standards in the California Code of Regulations, Title 24, Parts 2, 2.5, 3, 4, 5, 6, 7, 9, 10 and 11 shall apply to all occupancies and applications not regulated by a state agency.

  1.1.3.2 State-regulated buildings, structures and applications. The model code, state amendments to the model code and/or state amendments where there are no relevant model code provisions shall apply to the following buildings, structures and applications regulated by state agencies as specified in Sections 1.2 through 1.14, except where modified by local ordinance pursuant to Section 1.1.8. When adopted by a state agency, the provisions of this code shall be enforced by the appropriate enforcing agency, but only to the extent of authority granted to such agency by the state legislature.

  Note: See “How to Distinguish Between Model Code Language and California Amendments” in the front of the code. 1. State-owned buildings, including buildings constructed by the Trustees of the California State University, and to the extent permitted by California laws, buildings designed and constructed by the Regents of the University of California, and regulated by the Building Standards Commission. See Section 1.2 for additional scope provisions. 2. Section 1.3 is reserved for the Board of State Community Corrections. 3. Section 1.4 is reserved for the Department of Consumer Affairs. 4. Section 1.5 is reserved for the California Energy Commission. 5. Section 1.6 is reserved for the Department of Food and Agriculture. 6. Section 1.7 is reserved for the Department of Public Health. 7. Hotels, motels, lodging houses, apartments, dwellings, dormitories, condominiums, shelters for homeless persons, congregate residences, employee housing, factory-built housing and other types of dwellings containing sleeping _accommodations with or without common toilets or cooking facilities.

• CEBC § 10-5 High relevance — show source text

  2025 CALIFORNIA EXISTING BUILDING CODE 10-5

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  1011.5 Means of egress, general. Hazard categories in regard to life safety and means of egress shall be in accordance with Table 1011.5.

  TABLE 1011.5—MEANS OF EGRESS HAZARD CATEGORIES	Col2
  RELATIVE HAZARD	OCCUPANCY CLASSIFICATIONS
  1 (Highest Hazard)	H (Not Allowed)
  2	I-2; I-3; I-4_(Not Allowed)_
  3	A; E; M; R-1; R-2; R-4
  4	B; F-1; R-3; R-4, S-1
  5 (Lowest Hazard)	F-2; S-2; U

  1011.5.1 Means of egress for change to a higher-hazard category. Where a change of occupancy classification is made to a higher-hazard category (lower number) as shown in Table 1011.5, the means of egress shall comply with the requirements of Chapter 10 of the California Building Code .

  Exceptions:

  1. Stairways shall be enclosed in compliance with the applicable provisions of Section 903.1.

  2. Existing stairways including handrails and guards complying with the requirements of Chapter 9 shall be permitted for continued use subject to approval of the code official.

  3. Any stairway replacing an existing stairway within a space where the pitch or slope cannot be reduced because of existing construction shall not be required to comply with the maximum riser height and minimum tread depth requirements.

  4. Existing corridor walls constructed on both sides of wood lath and plaster in good condition or [1] / 2 -inch-thick (12.7 mm) gypsum wallboard shall be permitted. Such walls shall either terminate at the underside of a ceiling of equivalent construction or extend to the underside of the floor or roof next above.

  5. Existing corridor doorways, transoms and other corridor openings shall comply with the requirements in Sections 804.7.1, 804.7.2 and 804.7.3.

  6. Existing dead-end corridors shall comply with the requirements in Section 804.8.

  7. An operable window complying with Section 1011.5.6 shall be accepted as an emergency escape and rescue opening.

  8. In Group R-2.1 and I-2 facilities, required guards enclosing the occupiable roof areas shall be permitted to be greater than 48 inches (1219 mm) above the surface of the occupiable roof where the occupants, because of clinical needs, require restraint or containment as part of a function of a psychiatric or cognitive treatment area.

  1011.5.2 Means of egress for change of use to an equal or lower-hazard category. Where a change of occupancy classification is made to an equal or lesser-hazard category (higher number) as shown in Table 1011.5, existing elements of the means of egress shall comply with the requirements of Section 905 for the new occupancy classification. Newly constructed or configured means of egress shall comply with the requirements of Chapter 10 of the California Building Code .

  Exceptions:

• CEBC § 2.14 High relevance — show source text

  2.14 Elevator control|||| |1305.2.15 Means of egress emer-
  gency lighting|* * * ||| |1305.2.16 Mixed occupancies|| * * || |1305.2.17 Automatic sprinklers||÷ 2 =|| |1305.2.18 Standpipes|||| |1305.2.19 Incidental use|||| |1305.2.20 Smoke
  compartmentation|||| |1305.2.21.1 Care recipients ability
  for self-preservationa| * * ||| |1305.2.21.2 Care recipients
  concentrationa| * * ||| |1305.2.21.3 Attendant-to-care
  recipients ratioa| * * ||| |Building score–total value|||| | * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.| * * *No applicable value to be inserted.
  a. Only applicable to Group I-2 occupancies.|

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  PERFORMANCE COMPLIANCE METHODS

  1306.2 Safety scores. The values in Table 1306.2 are the required mandatory safety scores for the evaluation process listed in Section 1305.2.

  TABLE 1306.2—MANDATORY SAFETY SCORESa	Col2	Col3	Col4
  OCCUPANCY	FIRE SAFETY(MFS)	MEANS OF EGRESS (MME)	GENERAL SAFETY (MGS)
  A-1	20	31	31
  A-2	21	32	32
  A-3	22	33	33
  A-4, E	29	40	40
  B	30	40	40
  F	24	34	34
  I-2	19	34	34
  M	23	40	40
  R	21	38	38
  S-1	19	29	29
  S-2	29	39	39
  a. MFS = Mandatory Fire Safety. MME = Mandatory Means of Egress. MGS = Mandatory General Safety.	a. MFS = Mandatory Fire Safety. MME = Mandatory Means of Egress. MGS = Mandatory General Safety.	a. MFS = Mandatory Fire Safety. MME = Mandatory Means of Egress. MGS = Mandatory General Safety.	a. MFS = Mandatory Fire Safety. MME = Mandatory Means of Egress. MGS = Mandatory General Safety.

  SECTION 1307—EVALUATION OF BUILDING SAFETY

• CEBC § 102.1 High relevance — show source text

  Conflict 102.1, 102.4.1, 102.4.2, 104.2.4.1, 113.1, 302.2, 1302.1.2 Construction Documents 104.3, 105.3, 105.3.1, 105.4, 106, 113.4, 202, 601.2, A105.4, A205.3, A301.1, A406, A407.1 Construction Safeguards 101.5, Chapter 15 Accessibility 1511 Adjoining property 1505 Automatic sprinklers 1510 Fire extinguishers 1507 Means of egress 1508 Owner’s responsibilities 1502 Protection of pedestrians 1504 Sanitary 1503 Standpipes 1509 Water supply 1512 Corridor

  Dead-end 801.4, 804.8, 1011.5.1, 1305.2.12, 1305.2.12.1, Table 1306.1 Doors 804.7.1, 1011.5.1 Exit access 801.4, 802.2.1, 802.4, 802.4.1, 901.2, 1011.8.2 Openings 804.7, 804.7.1, 804.7.2, 804.7.3, 804.7.3.1, 804.7.4, 1011.5.1,

  1011.8.2

  Projections 704.1.1 Rating 803.1.1, 1011.5.1, 1305.2.5, 1305.2.5.1, Table 1305.2.5, Table

  1306.1

  Dangerous Nonstructural 115.1, 116.1 Structural 104.4, 114.1, 117.1, 202,

  302.1

  Deferred Submittal 106.3.4, 106.6, 202 Definitions 202 Demolition 101.5, 104.3, 106.2.6, 108.5, 113.2, 115.5, 117, 1501.6, 1501.6.1, 1501.7, 1502.1, 1503.1, 1504.1, 1505.2 Department of Building Safety 104.2.4, 105.3, 109.3.8 Disproportionate Earthquake Damage 202, 405.2.2, 502.2

  Egress (see Means of Egress) Electrical A102.1, 105.1, 105.1.1, 105.2, 108.3, 109.3.4, 202, 406, 801.3, 801.4, 806, 1007, 1101.2 Elevator 905.4, 1011.8.3, 1102.2, 1305.2.14, 1305.2.14.1, Table 1305.2.14, Table 1306.1 Emergency Escape and Rescue Openings 202, 505, 506.4, 702.4, 702.5, 702.5.1, 702.6 Emergency Power 804.6.