(d) the ladder is not positioned near an edge or floor opening that would significantly increase the potential fall distance. (c) the worker will generally have one hand available to hold on to the ladder or other support, and (b) the worker's centre of gravity is maintained between the ladder side rails, (a) the work is a light duty task of short duration at each location,
CATENARY SCAFFOLD INSTALLATION PORTABLE
(3)Ě worker may work from a portable ladder without fall protection provided that (2)Ě ladder must not be used as a scaffold component, nor as a horizontal walkway, ramp or work platform support unless it is part of a premanufactured or engineered system. Use restrictionsġ3.8 (1)Ě worker must not work from the top 2 rungs of a portable single or extension ladder or the top 2 steps of a step ladder unless permitted by the manufacturer. Footingġ3.7Ě portable single or extension ladder must be positioned, and if necessary secured, to ensure stability during use. Lengthġ3.6Ě ladder must be of sufficient length to project approximately 1 m (3 ft) above the level of the upper landing to which it provides access, unless there is limited clearance and the ladder is adequately secured. (b) have the lower ends of the ladder side rails rest on a firm and level base and the upper support of the siderails must be on a bearing surface strong enough to safely withstand the applied loads. (a) be placed so that the horizontal distance from the base to the vertical plane of support is approximately 1/4 of the ladder length between supports, and Inclination and supportġ3.5 When in use, a portable single or extension ladder must Inspectionġ3.4Ě portable ladder must be inspected before use, and a ladder with a loose, broken or missing rung, a split side rail, or other hazardous defect must be removed from service. Protective coatingsġ3.3Ě protective coating applied to a wooden ladder, other than a small amount for identification purposes, must be transparent to allow any defects to be discovered by inspection. (ii) graded to National Lumber Grades Authority Standard Grading Rules for Canadian Lumber, or other grading rules acceptable to the board. (i) from lumber graded Number 2 or better and species to be limited to Douglas fir-larch, hemlock-fir, spruce-pine-fir, or coast Sitka spruce, and (h) ladder components made from timber materials must be
CATENARY SCAFFOLD INSTALLATION FULL
(g) a double cleat ladder must have 3 rails evenly spaced, and be 107 m to 127 cm (42 in to 50 in) wide, and have continuous cleats which extend the full width of the ladder (f) the spaces on the side rails between the cleats must be filled with close fitting and well secured filler pieces that are the same thickness as the cleats (ii) nailed directly onto the smaller surfaces of the side rails, using three 57 mm (2 1/4 in) wire nails on each end of the 89 mm (4 in) cleats, and two similar nails on each end of the 64 mm (3 in) cleats (c) the distance between the inner faces of the side rails must not be less than 38 cm (15 in) nor more than 50 cm (20 in) Ħ4 mm (1 in x 3 in nominal) for ladder lengths up to 5 m (16 ft), andĨ9 mm (1 in x 4 in nominal) for ladder lengths from 5 m to 7.3 m (16 ft to 24 ft) (b) side rails must not be notched, dapped, tapered or spliced X 4 in nominal) for lengths up to 5 m (16 ft), andġ40 mm (2 in x 6 in nominal) for lengths from 5 m to 7.3 m (16 ft to 24 ft) Job built laddersġ3.2Ě portable wooden ladder made at the job site must meet the following minimum requirements: (2)Ě manufactured portable ladder must be marked for grade and use, and must be used in accordance with the manufacturer's instructions.
(d) other standard acceptable to the board. (c) ANSI Standard A14.2-1990, Safety Requirements for Portable Metal Ladders, or (b) ANSI Standard A14.1-1990, Safety Requirements for Portable Wood Ladders, (a) CSA Standard CAN3-Z11-M81, Portable Ladders, Window Cleaning and Similar Building Maintenanceġ3.1 (1)Ğxcept as otherwise permitted by this Part, portable ladder design, construction and use must meet the requirements of Work Platforms Supported by a Crane or Hoist Part 13 - Ladders, Scaffolds and Temporary Work Platformsįree Standing Tower and Rolling Scaffolds Workers Compensation Act OCCUPATIONAL HEALTH AND SAFETY REGULATION For the most current information, click here. This archived regulation consolidation is current to Augand includes changes enacted and in force by that date.
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