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yen • . _,. .,,,, • ,,, , ,T ., _ , ,,,„ , . ,„ , ,:. _ <br /> STAIRS <br /> Mylen Code Stair Packages will address and meet compliancy with <br /> each of the requirements that are listed below.This information will <br /> apply to the BOCA Code, UBC Code,IRC,and IFC codes. DOWN � <br /> i Counter <br /> 1. Minimum clear walking path of 26 inches.A 5-foot diameter or larger Clockwise) 26 <br /> stair will provide this width. <br /> it Min. <br /> 2. Each tread will have a minimum of 7 1/2-inch tread depth at 12 inches j <br /> from the narrow edge. 12 <br /> 3. All Treads will be identical. VA., t <br /> 4. The tread rise shall not be more than 9%inches high. <br /> 5. Minimum headroom of 6 foot 6 inches shall be provided,measuring <br /> plumb from the edge of the platform down to the tread below <br /> 6. Landing width shall not be less than the required width of the stairway. --► -4--71/'Min.Tread Width <br /> Minimum spiral stair tread width is 26 inches. <br /> 7. Stair balusters shall be spaced so a 4-inch object cannot pass between. 4''''''374 <br /> The IRC Code permits a 4 3/8-inch space. RIM.36' <br /> Platform Rai' <br /> 8. Balcony/well enclosure guardrail balusters shall be spaced so a 4-inch Height <br /> object cannot pass between. <br /> 9. Balcony/well enclosure guardrail height shall not be less than 36 F i <br /> inches.(If your state or municipality requires 42-inch tall guardrails, the ' <br /> sales order must reflect this detail). 3 _ <br /> 10. The stairway shall be equipped with one handrail on the wide edge of I <br /> „ . <br /> the tread. f <br /> 11. Handrail height,measured vertically from the tread nosing,shall not be <br /> less than 34 inches and not more than 38 inches. 1 <br /> 12. Handrail grip size.Type I-Handrails with a circular cross section shall <br /> �rJ .N <br /> have an outside diameter of at least 1 1/4 inches and not greater than 2r ,7 , <br /> inches. (Mylen's standard circular handrail is 1 1/2 inch diameter.This <br /> will address the UBC minimum cross section of 1 1/2 inch diameter.) <br /> 13. A 300 lb.concentrated load is required.On request,our sales <br /> department can provide structural calculations for your job ,', Min. <br /> specifications. Headroom <br /> *Mylen's standard code package does not address the open space between 0�. 6'6'° <br /> Y P g P P { Max.4" <br /> each tread (open rise stair). If your local building code requires no more Sphere <br /> than 4"space in this area,please call(855)821-1689 to have riser bars JIIIIIk <br /> A <br /> included in your order or speak with our customer support team for other ��,®�.. ''`' ,, <br /> options. <br /> R311.5.8.1 Spiral Stairs.Spiral stairways arepermitted, provided the P P Y t:- I <br /> minimum width shall be 26 inches (660 mm)with each tread having a 7 I I I " 1 i 1 , <br /> 12 inch(190 mm)minimum tread depth at 12 inches from the narrower <br /> edge.All treads shall be identical,and the rise shall be no more than 9 12 <br /> 9h"Max. , , k <br /> inches(241 mm).A minimum headroom of 6 feet,6 inches(1982 mm) Ripe ; <br /> shall be provided (See above diagram). . H r eight! <br /> � .�.KPight <br /> A; (34 Min.to <br /> Max.38"i <br /> *4 Max. <br /> Visit mylenstairs.com for more information or call(855)821-1689 to speak with a openSpace - <br /> customer or product support member. <br /> i <br /> V' <br /> li <br />