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• 4 <br /> HANDOUT FOR COMMERCIAL DECKS, RAMPS, STAIRS <br /> Deck Structures <br /> 1. Framing plans designed to meet required live load for egress (100 psf) or use (varies), whichever is <br /> greater. IBC table 1607.1 <br /> o Materials, depth and details of attachments sized sufficiently and designed to resist forces from <br /> wind, gravity and seismic loading. IBC 1603.1. <br /> 2. 42" high guard where deck height exceeds 30 inches above adjacent grade. IBC section 1013.2 <br /> o Framing details, structural connections, and materials of guards and handrails to show <br /> resistance of 50 pounds per linear foot or concentrated load of 200 pounds. IBC section <br /> 1607.8.1 <br /> o Elevations of maximum spacing of openings. IBC section 1013.4 <br /> Exterior Ramps and Stairs <br /> 1. Minimum 44 inch access width dimensioned on drawings. IBC section 1101.2.2 *Washington State Amendment <br /> o Handrails projections into the required width should not reduce that width by more than 4 1/2 <br /> inches each side. IBC section 1012.8 <br /> 2. 42" high guard where ramp or stair height exceeds 30 inches above adjacent grade. IBC section <br /> 1013.2 <br /> o Framing details, structural connections, and materials of guards and handrails to show <br /> resistance of 50 pounds per linear foot or concentrated load of 200 pounds. IBC section <br /> 1607.8.1 <br /> o Elevations of maximum spacing of openings. IBC section 1013.4 <br /> 3. 34"-36" handrails (one each side) at any stair riser and where ramp exceeds six inches. IBC sections <br /> 1009.15, 1012.1, ICC A117.1-2009 section 405.8 <br /> o Structural connections to show resistance of 50 pounds per linear foot or concentrated load of <br /> 200 pounds. IBC section 1607.8.1 <br /> o Plan of handrail extensions at top and bottom of ramp or stair. IBC section 1012.6 <br /> 4. Ramp length dimensioned with maximum 1:12 slope. ICC A117.1-2009 section 405.2 <br /> o Rise dimensioned maximum 30 inches for each run. ICC A117.1-2009 section 405.6 <br /> o Edge protection of a curb or extended floor surface. ICC A117.1-2009 section 405.9 <br /> o Landing length dimensioned minimum 60 inches. ICC A117.1-2009 section 405.7.3 <br /> o Turning diameter dimensioned 60 inches at change in direction. ICC A117.1-2009 section <br /> 405.7.4 <br /> 5. Stair solid riser maximum 7 inches for maximum vertical rise of 12 feet per flight, tread minimum 11 <br /> inches. IBC sections 1009.7.2, 1009.7.5.3, 1009.10 <br /> Reference for drawings of code requirements: http.//www.mybuildingpermit.com/Pages/construction-tip-sheets.aspx <br /> CITY OF EVERE l I BUILDING DEPARTMENT 3200 CEDAR ST, EVERt/I, WA 98201 425-257-8810 <br /> *As amended by WA State and adopted by Everett www.everettwa.or_q chklst-handout(rev 01/31/14) <br /> Cl)1 <br />