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This is in response to your letter of February 21, to Mr. Thomas J. Shepich, former Director of Compliance Programs, concerning our previous response of January 9, relative to the rung spacing between horizontal members of the end frames of metal scaffolds used as ladder rungs for access or egress.
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www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=...
www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=19987
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Individual rung/step ladders must extend at least 42 inches (1.1 m) above an access level or landing platform either by the continuation of the rung spacings as horizontal grab bars or by providing vertical grab bars that must have the same lateral spacing as the vertical legs of the ladder rails.
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www.nmsu.edu/safety/programs/gen_saf/OSHA_stair&lad_saf...
www.nmsu.edu/safety/programs/gen_saf/OSHA_stair&lad_saf.html
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Ladder - Wikipedia, the free encyclopedia
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A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can be leaned against a vertical surface such as a wall, and rope ladders that are hung from the top...
en.wikipedia.org/wiki/Ladder
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Ankle Bracing Alters Knee And Ankle Kinematic... ... The Relationship Between Physiological And Ki... ... Home » The Effects Of Rung Spacing On The Mechanics Of Ladder Ascent...
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library.plymouth.edu/read/689
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LADDER RUNG-LOAD CAPACITIES; ... Load and deflection on rungs are directly proportional up to and including the amounts tabulated below. Any increase in loads beyond those shown may produce permanent deformation of the rung. Figures shown in the table apply to individual tungs regardless of their spacing.
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www.aecinfo.com/1/resourcefile/00/27/22/gbt017.htm
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A safety extension is adapted to be mounted by various adjustable means to the upper rungs of a ladder or the inside of a manhole. The safety extension comprises a rod which is moveable in a sleeve between extended and retracted positions. ... 16. A safety extension for a ladder comprising: a sleeve;
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www.patentgenius.com/patent/4546855.html
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Our Open Rung Standoff Ladder Stabilizers are sturdy aluminum standout brackets providing a 12 inch standoff distance. Each standoff bracket spans 12 inches beyond each side of your ladder. Our standoff protector boots protect gutters, windows, and facia while providing a high grip surface to fight against slippage.
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www.globalwholesalersinc.com/_open_rung_stabilizer.htm
www.globalwholesalersinc.com/_open_rung_stabilizer.htm
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1919a4 head spacing briggs stratton magneto spacing aleppo pine wind spacing pink charm kalmia spacing sheet rock screw spacing kitchen design spacing;
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www.liveeconshop.com/6xk/433p3u/spacing.php
www.liveeconshop.com/6xk/433p3u/spacing.php
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Fixed Ladder, Straight, Uncaged, Number of Rungs 13, Ladder Height 12 Ft, Overall Length 12 Ft 3 In, Top to Bottom Rung 12 Ft, Rung Dia 0.75 In, Rung Width 16 In, Rung Spacing 12 In, Gray Powder Coat Finish, Stair Width 16 In, Tread Depth 3/4 In, Stair Angle 90 Stair Angle, Capacity 300 Lb ; Ladder Rung >More Details...;
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www.grainger.com/1/3/ladder-rung
www.grainger.com/1/3/ladder-rung
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