|Adopt entire chapter||X||X||X||X||X|
|Adopt entire chapter as amended (amended sections listed below)||X||X||X||X|
|Adopt only those sections that are listed below|
|Chapter / Section|
|2410 & Subsections||X||X||X||X|
The Office of the State Fire Marshal's adoption of this chapter or individual sections is applicable to structures regulated by other state agencies pursuant to Section 1.11.
- The construction documents and analysis or test data required per Section 2403.2 shall be submitted to the enforcement agency for approval.
- Glass firmly supported on all four edges shall be glazed with minimum laps and edge clearances set forth in Table 2403.2.1.
|FIXED WINDOWS AND OPENABLE WINDOWS OTHER THAN HORIZONTAL SIDING|
|Glass Area||Up to 6 sq. ft.||6 to 14 sq. ft.||14 to 32 sq. ft.||32 to 50 sq. ft.||Over 50 sq. ft.|
|× 0.0929 for m2, × 25.4 for mm|
|1. Minimum Frame Lap||1/4"||1/4"||5/16"||3/8"||1/2"|
|2. Minimum Glass Edge Clearance||1/8"1,2||1/8"1,2||3/16"1||1/4"||1/4"1|
|3. Continuous Glazing Rabbet and Glass Retainer3||Required|
|4. Resilient Setting Material4||Not Required||Required|
|SLIDING DOORS AND HORIZONTAL SLIDING WINDOWS|
|Glass Area||Up to 14 sq. ft.||14 to 32 sq. ft.||32 to 50 sq. ft.||Over 50 sq. ft.|
|× 0.0929 for m2, × 25.4 for mm|
|5. Minimum Glass Frame Lap||1/4"||5/16"||3/8"||1/2"|
|6. Minimum Glass Edge Clearance||1/8"2||3/16"||1/4"||1/4"|
|7. Continuous Glazing Rabbet and Glass Retained3||Required above third story||Required|
|8. Resilient Setting Material4||Not Required||Required|
- Glass edge clearance in fixed openings shall not be less than required to provide for wind and earthquake drift.
- Glass edge clearance at all sides of pane shall be a minimum of 3/16 inch (4.8 mm) where height of glass exceeds 3 feet (914 mm).
- Glass retainers such as metal, wood or vinyl face stops, glazing beads, gaskets, glazing clips and glazing channels shall be of sufficient strength and fixation to serve this purpose.
- Resilient setting material shall include preformed rubber or vinyl plastic gaskets or other materials which are proved to the satisfaction of the building official to remain resilient.
- For monolithic glazing systems, the glazing material of the single light or layer shall be laminated glass with a minimum 30-mil (0.76 mm) polyvinyl butyral (or equivalent) interlayer, wired glass, light-transmitting plastic materials meeting the requirements of Section 2607, heat-strengthened glass or fully tempered glass.
- For multiple-layer glazing systems, each light or layer shall consist of any of the glazing materials specified in Item 1 above.
- Fully tempered glass installed without protective screens where glazed between intervening floors at a slope of 30 degrees (0.52 rad) or less from the vertical plane shall have the highest point of the glass 10 feet (3048 mm) or less above the walking surface.
- Screens are not required below any glazing material, including annealed glass, where the walking surface below the glazing material is permanently protected from the risk of falling glass or the area below the glazing material is not a walking surface.
- Any glazing material, including annealed glass, is permitted to be installed without screens in the sloped glazing systems of commercial or detached noncombustible greenhouses used exclusively for growing plants and not open to the public, provided that the height of the greenhouse at the ridge does not exceed 30 feet (9144 mm) above grade.
- Screens shall not be required in individual dwelling units in Groups R-2, R-3 and R-4 where fully tempered glass is used as single glazing or as both panes in an insulating glass unit, and the following conditions are met:
- Screens shall not be required for laminated glass with a 15-mil (0.38 mm) polyvinyl butyral (or equivalent) interlayer used in individual dwelling units in Groups R-2, R-3 and R-4 within the following limits:
2405.5.1 Skylights Rated for the Same Performance Grade for Both Positive and Negative Design Pressure
|EXPOSED SURFACE AREA OF ONE SIDE OF ONE LITE||GLAZING IN STORM OR COMBINATION DOORS (Category class)||GLAZING IN DOORS (Category class)||GLAZED PANELS REGULATED BY SECTION 2406.4.3 (Category class)||GLAZED PANELS REGULATED BY SECTION 2406.4.2 (Category class)||DOORS AND ENCLOSURES REGULATED BY SECTION 2406.4.5 (Category class)||SLIDING GLASS DOORS PATIO TYPE (Category class)|
|9 square feet or less||I||I||No requirement||I||II||II|
|More than 9 square feet||II||II||II||II||II||II|
|EXPOSED SURFACE AREA OF ONE SIDE OF ONE LITE||GLAZED PANELS REGULATED BY SECTION 2406.4.3 (Category class)||GLAZED PANELS REGULATED BY SECTION 2406.4.2 (Category class)||DOORS AND ENCLOSURES REGULATED BY SECTION 2406.4.5a (Category class)|
|9 square feet or less||No requirement||B||A|
|More than 9 square feet||A||A||A|
- Use is only permitted by the exception to Section 2406.2.
- For other than tempered glass, manufacturer's designations are not required, provided the building official approves the use of a certificate, affidavit or other evidence confirming compliance with this code.
- Tempered spandrel glass is permitted to be identified by the manufacturer with a removable paper designation.
- Decorative glazing.
- Where there is an intervening wall or other permanent barrier between the door and glazing.
- Where access through the door is to a closet or storage area 3 feet (914 mm) or less in depth. Glazing in this application shall comply with Section 2406.4.3.
- Glazing in walls on the latch side of and perpendicular to the plane of the door in a closed position in one- and two-family dwellings or within dwelling units in Group R-2.
- The exposed area of an individual pane is greater than 9 square feet (0.84 m2).
- The bottom edge of the glazing is less than 18 inches (457 mm) above the floor.
- The top edge of the glazing is greater than 36 inches (914 mm) above the floor.
- One or more walking surface(s) are within 36 inches (914 mm), measured horizontally and in a straight line, of the plane of the glazing.
- Decorative glazing.
- Where a horizontal rail is installed on the accessible side(s) of the glazing 34 to 38 inches (864 to 965 mm) above the walking surface. The rail shall be capable of withstanding a horizontal load of 50 pounds per linear foot (730 N/m) without contacting the glass and be a minimum of 11/2 inches (38 mm) in cross-sectional height.
- Outboard panes in insulating glass units or multiple glazing where the bottom exposed edge of the glass is 25 feet (7620 mm) or more above any grade, roof, walking surface or other horizontal or sloped (within 45 degrees of horizontal) (0.79 rad) surface adjacent to the glass exterior.
- A glass wall in a racquetball or squash court, or similar use subject to impact loads, shall remain intact following a test impact.
- The deflection of such walls shall be not greater than 11/2 inches (38 mm) at the point of impact for a drop height of 48 inches (1219 mm).
- The glass is bonded to a nonpolymeric coating, sheeting or film backing having a physical integrity to hold the fragments when the glass breaks.
- The glass is not subjected to further treatment such as sandblasting; etching; heat treatment or painting that could alter the original properties of the glass.
- The glass is tested to the acceptance criteria for laminated glass as specified for Class A in accordance with ANSI Z97.1 or Category II in accordance with CPSC 16 CFR Part 1201.
- SSG shall be weather tight and serviceable, as defined in AAMA 501.4, under design story drifts associated with the design earthquake and no glass fallout shall occur at the drifts determined by ASCE 7, Section 13.5.9.
- The sealant utilized in the insulated glass units used in SSG shall be designed in accordance with ASTM C1249. The insulated glass unit design shall be in accordance with ASTM C1249, Section 6.7.2.
- Allowable stress for SSG shall not exceed 20 psi and shall have a minimum factor of safety of 5 as required by ASTM C1401.
- Design methodology shall address seismic movement in accordance with ASTM C1401, Section 30.3.4.
- SSG systems shall be supported for self-weight and lateral loading at each floor level of the building.
- Unitized SSG framing shall be anchored to the building floor bearing plate by screws or bolts and shall not rely upon gravity or frictional forces for attachment.
- Framing shall satisfy the out-of-plane deflection requirements of this code.
- The seismic drift capability of structural sealant glazing shall be determined by tests in accordance with AAMA 501.6, AAMA 501.4 and ASCE 7, Section 18.104.22.168.
- The applicability of the specific AAMA 501.6 and AAMA 501.4 testing shall be subject to approval by the building official.
- The panel test specimens used in the AAMA 501.6 and AAMA 501.4 testing shall include all glass types (annealed, heat strengthened, laminated, tempered) and insulated glass units that comprise more than 5 percent of the total glass curtain wall area used in the building.
- AAMA 501.4 test specimen shall include the same materials, sections, connections, and attachment details to the test apparatus as used in the building.
- Serviceability tests of SSG test specimen shall be performed in accordance with AAMA 501.4 after seismic displacement tests to the design story drift.
- The window wall system using structural sealant by different manufacturer/product category shall be qualified in accordance with AAMA 501.6 and AAMA 501.4 testing for the seismic drift required. Analysis as an alternative to testing is not acceptable for the purposes of satisfying the seismic drift requirements of the SSG system.
- Where unitized SSG is used with horizontal stack joints at each floor level and split vertical mullions that can move independently, only a story height single unit need to be tested under AAMA 501.6. Where continuous horizontal bands of SSG are used in the building, either two or four sided, the aspect ratio (height-to-length) of the test specimen shall be less than 1.0, contain not less than two interior vertical joints and all joints (vertical in the case of two sided), including the perimeter of the glass, shall be glazed with SSG.
- Where SSG continues around corners, the AAMA 501.4 test specimen shall include one corner panel to verify the kinematics of the corner condition under seismic drift.
- Quality assurance and inspection requirements shall include formalized post-installation tests using the point load testing procedure in accordance with ASTM C1392. The point load tests shall be done after the initial installation.
- Where the SSG is field assembled, hand pull tab tests in accordance with ASTM C1401, Section X2.1, one test every 100 linear feet, but not less than one test for each building elevation view shall be required.
- A design narrative explaining how the SSG is supported by the building and the mechanism used to accommodate seismic racking.
- Type of SSG and whether field or shop built.
- The means of supporting the glass during structural sealant curing time shall be shown in the construction documents.
- Typical curtain wall panel elevation, plan view and sections.
- Details of building corner joint to verify how the corner vertical mullion will move to accommodate the seismic drift.
- Joints between panel and floors at top and bottom.
- Joint between panels — including vertical and horizontal stack joints at intermediate and edge mullion.
- Member sizes for curtain wall panels.
- Glass pane sizes, thickness and type of glass.
- Contact width and thickness of structural sealant and sealant materials for shop and field installation/reglazing.
- Glass to aluminum joints (including primers, if any).
- Maximum roof/floor dead and live load deflection of the roof/floor framing members supporting the exterior curtain wall system.
- Required seismic separation or gap distance between the structural sealant glazing curtain wall and other adjacent cladding units.
- Mitigation of galvanic reactions between the roof/floor slab anchors, steel screw connections of aluminum sections and the aluminum anchorage components, if any.