Osha Fixed Ladder Roof Hatch

The minimum perpendicular clearance between fixed ladder rungs cleats and steps and any obstruction behind the ladder shall be 7 inches 18 cm except in the case of an elevator pit ladder for which a minimum perpendicular clearance of 4 1 2 inches 11 cm is required.

Osha fixed ladder roof hatch.

Grab bars not required at hatch exits. We can fabricate any aluminum fixed access ship cage or custom ladder as well as platforms catwalks stairs walkways and more. For starters prior to the new ruling the only real guidance on fixed ladders came from the construction standards osha more 1926 1053 a 18 required the use of cages wells ladder safety devices or self retracting lifelines for fixed ladders of 24 feet or more. Note to paragraph d.

Osha s general industry standard for fixed ladders is found in 29 cfr 1910 27. On fixed ladders the perpendicular distance from the centerline of the rungs to the nearest permanent object on the climbing side of the ladder shall be 36 inches for a pitch of 76 degrees and 30 inches for a pitch of 90 degrees fig. Osha s new ruling was designed in part to create more uniformity between the general industry and construction standards. 1910 25 a application this section covers all stairways including standard spiral ship and alternating tread type stairs except for stairs serving floating roof tanks stairs on scaffolds stairs designed into machines or equipment and stairs on self propelled motorized equipment.

1910 23 open roof hatches should be protected. D 2 of this section with minimum clearances for intermediate pitches varying between these two limits in proportion to the slope except as provided in subparagraphs 3 and 5 of this paragraph. As seen in the picture below featuring new ladder system we recommend a wider climbing surface to accommodate a ladder lifeline system and to make the ladder easier to climb. Figure d 2 slide step fixed ladder sections.

Figure d 3 example of counterbalanced hatch cover at roof. Section 1910 28 establishes the employer s duty to provide fall protection for employees on fixed ladders and 1910 29 specifies the criteria for fall protection systems for fixed ladders. Per osha 1910 23 b 4 ladder rungs steps and cleats have a minimum clear width of 16 inches measured before installation of ladder safety systems for fixed ladders. Osha standard for roof openings roof hatch protection is addressed by osha standard 26 cfr 1910 23 entitled guarding floor and wall openings and holes full text of this standard is available online at www osha gov.