How much space should be between scaffold planks?
In other words, the space between scaffold planks or between scaffold planks and uprights must be as narrow as possible and may only exceed one inch in width if the space cannot be reduced without modifying any of the planks used to construct the platform.
What is the maximum width of a scaffold?
In no circumstances, however, may the width between scaffold planks or between scaffold planks and uprights exceed 9 ½ inches. If the employer can demonstrate that complying with the one inch limitation in width would require modifying any of the planks used to construct the platform, the exception would apply.
Do scaffolding platforms have to be decked?
Each platform on all working levels of scaffolds shall be fully planked or decked between the front uprights and the guardrail supports as follows: 1926.451 (b) (1) (i)
How much space do you need between platform and uprights?
Where the employer makes the demonstration provided for in paragraph (b) (1) (i) of this section, the platform shall be planked or decked as fully as possible and the remaining open space between the platform and the uprights shall not exceed 9 ½ inches (24.1 cm). (Emphasis added).
How wide should scaffold planks be?
All planking or platforms must be overlapped a minimum of twelve (12) inches and secured from movement. Scaffold planks shall extend over their end support at least six (6) inches but no more than twelve (12) inches. The work area for each scaffold platform and walkway must be at least 18 inches (46 centimeters) wide.
What is OSHA Standard for scaffold?
All suspension scaffolds must be tied or otherwise secured to prevent them from swaying, as determined by a competent person. [29 CFR 1926.451(d)(18)] Guardrails, a personal fall-arrest system, or both must protect each employee more than 10 feet (3.1 m) above a lower level from falling.
What is the minimum nominal width of a wooden scaffold plank?
Lumber or manufactured scaffold planks used for a work platform must consist of at least two planks placed side by side to provide a work surface with a nominal width of 50 cm (20 in.), or a nominal width of 30 cm (12 in.)
What is the minimum width of scaffolding platform?
The standards do specify a minimum platform width of not less than 20" for two-point suspension scaffolds in Parts 1910.28(g) and 1926.451(i). It is recommended that we promulgate a new standard in Parts 1910.28(a) and 1926.451(a) which will establish a minimum width of 18" for all scaffold platforms.
What is the distance between the standards in single scaffolding?
Single Scaffolding: Single scaffolding consists of only one row of standards spaced at a distance of about 1.2 m from the wall and in between them is about 2.0 - 2.4 m.
What is the minimum distance required for scaffold planks to extend over the support frame without the use of a cleat?
Each end of a platform, unless cleated or otherwise restrained by hooks or equivalent means, shall extend over the centerline of its support at least 6 inches (15 cm).
What is the maximum span on scaffold planks?
(ii) The maximum permissible span for 1 1/4 x 9-inch or wider wood plank of full thickness with a maximum intended load of 50 lb/ft. (2) shall be 4 feet.
How far can a scaffold board span?
Support span – 1.2m max (for visually or machine graded boards 38 x 225). – 2.5m max (for visually or machine graded boards 63 x 225).
What is the most commonly used scaffold plank?
Wood, such as fir or pine, is the most common material. High-quality wooden planks, such as Kennison Forest Products solid sawn scaffold planks or sure-lam LVL (laminated veneer lumber) scaffold planks, provide durable, safe planking solutions.
What should be minimum width of working platform?
Minimum widths of platforms should be as follows: At least 3 boards 600mm – for persons only and not for the deposit of materials. At least 4 boards 800mm – for persons and deposit of material leaving a clear passage of at least 430mm. At least 5 boards 1.05m – if used to support any higher platform.
What is the minimum width of working platform for workers?
Not be less than 100 mm, subject to a minimum of 50 mm at the top.
What are the regulations for scaffolding?
Requirements for general access scaffolds. Scaffolds must be designed, erected, altered and dismantled only by competent people and the work should be carried out under the direction of a competent supervisor. All scaffolding must be erected, dismantled and altered in a safe manner.
How wide should scaffold planks be?
The standard requires that the space between the scaffold planks or between scaffold planks and uprights be no more than one inch wide unless the employer can demonstrate that a wider space is necessary. However, the platform must still be planked or decked as fully as possible.
What is the OSHA number for a fully planked and decoked scaffold?
To report an emergency, file a complaint with OSHA or ask a safety and health question, call 1-800-321-6742 (OSHA). Standard Number:
What is the OSHA standard number?
Standard Number: 1926.451. 1926.451 (b) (1) OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations.
Can you tip a plank sideways?
This can lead to a significant reduction in plank strength, and possibly cause tipping of the plank (sideways) if eccentrically loaded.