Roof Access Hatch Requirements

Nystrom roof hatches provide safe and convenient access to commercial building roof areas using interior ladders and stairs.

Roof access hatch requirements.

07 12 2000 1910 23 osha requires fall protection for elevator work when a fall hazard is present. Ideal for general maintenance and repairs on a roof these hatches are generally smaller starting from 600 x 600 as a minimum recommended size it is important to consider how the roof would be accessed at this size moving upwards towards the more recommended size of 900 x 750. They are present on most nonresidential buildings. Roof access for individuals often falls within this category.

In buildings without an occupied roof access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet 1 5m2 in area and having a minimum dimension. Nystrom s complete line of roof hatch and safety products meet building codes fire and life safety requirements. The ontario building code roof access 3 2 5 3. Roof hatches known sometimes as roof scuttles are designed to allow workers safe access to roof areas for hvac equipment maintenance roof renovations etc.

A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building. Except as provided elsewhere in this section the employer must ensure that each employee on a walking working surface with an unprotected side or edge that is 4 feet 1 2 m or more above a lower level is protected from falling by one or more of the following. Roof access 1 on a building more than 3 storeys in building heightwhere the slope of the roof is less than 1 in 4 all main roof areas shall be provided with direct access from the floor areasimmediately below either by a a stairway or b a hatch not less than 550 mm by 900 mm with a fixed ladder. A minimum perpendicular distance of 30 inches 76 cm from the centerline of the steps or rungs to the nearest object on the climbing side.

In buildings without an occupied roof access to the roof shall be permitted to be a roof hatch or trap door not less than 16 square feet 1 5 m 2 in area and having a minimum dimension of 2 feet 610 mm. Osha 1910 28 b 1 i 1910 23 a 4 ibc1015 7 roof access. When unavoidable obstructions are encountered the minimum clearance at the obstruction may be reduced to 24 inches 61 cm provided deflector plates are installed see figure d 5 of this section. Grab bars not required at hatch exits.

Where a stairway is provided to a roof access to the roof shall be provided through a penthouse complying with section 1509 2. 1910 23 open roof hatches should be protected. While they provide great convenience to building personnel unattended roof hatches left in the open position can be dangerous. Bilco roof hatches provide safe and convenient access to roof areas by means of an interior ladder ship stair or service stair.