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My Bookmarks 0%/ <br /> vapor retarder Q <br /> f: Guards At Stairs (Res) CD X t <br /> BC 1015 GUARDRAILS AT STAIRS <br /> Within R-3 Occupancy or R-2 Dwelling <br /> ,I GUARDS shall be provided along stairways and landings where required by Section 1015 and <br /> shall be constructed in accordance with Section 1015.Where glass is used to provide a guard <br /> or as a portion of the guard system,the guard shall comply with Section 2407.Where the <br /> glazing provided does not meet the strength and attachment requirements of Section 1607.8, HANDRAILS Flights of stairways shall have <br /> complying guards shall be located along glazed sides of open-sided walking surfaces. handrails on each side and shall comply with <br /> Section 1014.Where a glass guard supports a <br /> HEIGHT handrail,the guard shall comply with Section 2407 <br /> For occupancies in Group R-3,and within individual dwelling units in occupancies in Exceptions <br /> Group R-2,guards on the open sides of stairs shall have a height not less than 34' Flights ofstairways within dwelling units and <br /> measured vertically from a line connecting the leading edges of the treads. flights ofspiral stairways are permitted to have a <br /> For occupancies in Group R-3,and within Individual dwelling units in handrail on one side only <br /> occupancies in Group R-2,where the top of the guard serves as a handrail <br /> on the open sides of stairs,the top of the guard shall be not less than consin Group R-3 occupancies,a change in elevation <br /> ■ 34"and not more than 38"measured vertically from egreisd o ofa single requir an entrance or <br /> a line connecting the leading edges of the treads egress door does not i o handrails <br /> • Changesinroomelevationsofthreeorfewer <br /> OPENING LIMITATIONS risers within dwelling units and sleeping units in <br /> Required guards shall not have �� I t /] Group R-2 and R-3 do not require handrails <br /> openings that allow passage ofa sphere J V \ <br /> 4-318'in diameter from the walking 3_ min,o'mar <br /> surface to the required guard height when cap is a \ <br /> handrail. <br /> The triangular openings at the open 34'min when <br /> -_ sides of a stair,formed by the riser, <br /> tread and bottom rail shall not allow cap rail tndr a <br /> handrail O:ean s shall not allow: as:age of <br /> passage of sphere 6'in diameter — l g p <br /> 4-318"diamater5phere <br /> / Q Q <br /> OVERVIEW <br /> Guardrails at stairs for that are not within a multifamily dwelling unit or for an R-3 residential <br /> occupancy have more robust requirements than is required for those that are residential in nature. <br /> Verify with the Existing Building Code what requirements must be met when removing /replacing a <br /> guardrail, as more current requirements can be more restrictive than when the railing was installed. <br /> PRIMARY SECTIONS <br /> I <br /> WA BC 1015.3 Height('18) WA BC 1015.4 Opening Limitations ('18) <br /> RELATED SECTIONS <br /> WA BC 1011.11 Handrails ('18) WA BC 1011.13 Guards ('18) <br /> WA BC 1607.8 Loads on Handrails,Guards,Grab Bars and Seats ('18) <br /> WA BC 2406.4.4 Glazin in Guards and Railin s '18 WA BC 310.3 Residential Group R-2 ('18) <br /> � I <br />