Open Roof Access Stair

Application this section covers all stairways including standard spiral ship and alternating tread type stairs except for articulated stairs stairs that change pitch due to change in height at the point of attachment such as those serving floating roof tanks stairs on scaffolds stairs designed into machines or equipment and stairs on self propelled motorized equipment.

Open roof access stair.

Slip resistant decking we offer standard extruded decking aggressive grip strut decking or bar grating to accommodate different environments and needs. A motorized electrical device is generally used to open the roof similar to the way a garage door opens although for smaller models manually operated wenches can be substituted. All open roof hatches regardless of size or number of covers can present fall hazards. Our rooftop ramps provide solutions for wheeled access to areas previously blocked by rooftop pipes structural gaps or minor elevation changes allowing heavy items to be rolled in or out for placement or.

Stairs terminating at the level of a setback shall provide access to the setback roof areas except where the setback is less than 4 feet 1219 mm in width and 10 feet 3048 mm in length measured from the inside of the parapet wall. Exterior roof access that meets osha stair requirements is essential to your team s safety and php has custom options to fit your unique facility needs. Our roof access stairs are completely osha or ada compliant complete with equal step riser heights and guardrails. The combinations have been certified by tüv nord in accordance with en iso 14122 3.

Attic ladders are sometimes also considered a type of roof access though in most cases they are intended for attic access only. When a hatch is left in the open position personnel working atop a roof can lose their footing trip over the hatch s curb or even step backward into the areaway without looking thereby sustaining debilitating or even fatal injuries. Bridge crossovers are custom built roof stairs that span across pipes ducts expansion joints elevation changes and other obstructions. Mobile ladder stands with a top step height above 10 feet 3 m have the top step protected on three sides by a handrail with a vertical height of at least 36 inches 91 cm.

Access to setback roof areas may be through a door or window opening to the roof.