Scaffolds must be fully planked or decked whenever possible. The space between the last plank and the uprights cannot exceed
9 1/2 inches
. The space between planks cannot exceed 1 inch, except where necessary for obstructions. Platforms and walkways, in general, must be at least 18 inches wide.
What is the maximum distance between the last plank in a fully planked platform on a fixed width tubular welded frame scaffold and the outside of the frame is?
(Emphasis added). 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 maximum distance allowed between planks on a scaffold?
(v) Distance between posts shall not exceed
8 feet
. (e) Overhead protection shall consist of 2 inch nominal planking laid tight, or 3/4-inch plywood.
How far should platform planks overlap?
Section 1926.451(b)(7) states, “on scaffolds where platforms are overlapped to create a long platform, the overlap shall occur only over supports, and shall
not be less than 12 inches (30 cm)
unless the platforms are nailed together or otherwise restrained to prevent movement.” The standard does not specify whether …
What does fully planked mean in relationship to scaffold platforms?
Another reason to fully plank or deck the platform, is the load that needs to be carried. A fully planked or decked platform will
help divide the load (workers, materials and tools) more evenly, putting less stress on each individual unit
.
What is the 1910 clause?
“
Each employer shall furnish to each of his employees employment and a place of employment which are free from recognized hazards
that are causing or are likely to cause death or serious physical harm to his employees.”
Are you allowed to cut OSHA planks?
Cutting them to length is not a problem since there is no special treatment of the end of these planks.
Do use reasonable care in cutting
and handling the planks to avoid having any separation of the lamination.
Are gaps allowed between the planks of a working platform?
The Australian Standards for Scaffold Planks (AS 1577 – 1593) provides numerous and very specific compliancy rules when it comes to scaffold planks. It states that each scaffold plank on working platforms should: … Be positioned so
there are no gaps between planks which are greater than 10mm
, and.
What is the minimum distance required for scaffold planks to extend over the support frame without the use of a cleat?
Except as provided in paragraphs (b)(2)(i) and (b)(2)(ii) of this section, each scaffold platform and walkway shall be at least 18 inches (46 cm) wide. … 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 maximum leg spacing for a heavy duty rated scaffold?
Light duty loads can use a 10-foot spacing maximum between vertical posts. Medium duty loads can use 8 feet spacing maximum between vertical posts (5 feet width with 2 inch O.D. tubing and 6 feet width with 2 1/2 inches). Heavy duty loads can use
6 feet 6 inches spacing
between vertical posts.
What is the maximum load all scaffolds must support?
| Rated Load Capacity of Scaffold Intended Load Should Be | Light-Duty “standard” 25 pounds per square foot (applied uniformly) |
|---|
How far should a scaffold be from a building?
Ensure that the platform is
14 inches or less away from the wall
or 18 inches or less away if plastering/stuccoing. Make sure there are guardrails, including mid rails and toe boards on platforms where work is being done.
How many inches must the planks extend past their support?
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.
What is the maximum distance the front edge of most scaffolding can be from face of work?
Except as provided in paragraphs (b)(3) (i) and (ii) of this section, the front edge of all platforms shall not be more than
14 inches (36 cm)
from the face of the work, unless guardrail systems are erected along the front edge and/or personal fall arrest systems are used in accordance with paragraph (g) of this …
What is the minimum width of a scaffold plank?
1 Minimum width The minimum width of a scaffold plank shall be
220 mm
. For timber planks, the minimum width shall be at a moisture content not exceeding 15 percent.
How much of a scaffold platform that is being used work from has to be covered?
Per 1926.451(g)(1), OSHA has determined a fall protection threshold of
10 feet
for scaffolding (also note American National Safety Institute A10. 8-2011). This threshold differs from Subpart M (fall protection), which requires the use of fall protection at six feet for most construction activities.
What is the difference between 1910 and 1926?
To put it simply, the OSHA 29 CFR 1910 regulations detail general industry safety regulations and apply to most worksites. Alternately, the OSHA 29 CFR 1926 standards
focus on the construction industry
, and identify the specific work-related risks associated with it.
In which of the following must platforms be supported by and securely fastened to a minimum of two bearers extending at least 6 inches beyond the platform on both sides?
“Float (ship) scaffolds
.” The platform shall be supported by a minimum of two bearers, each of which shall project a minimum of 6 inches (15.2 cm) beyond the platform on both sides.
What is OSHA's catch all?
OSHA has a catch-all called
The General Duty Clause
that covers all recognized workplace hazards that might not necessarily be addressed by a specific standard.
How much weight can an OSHA plank hold?
| Rated load capacity Intended load | Heavy-duty 75 pounds per square foot applied uniformly over the entire span area. | One-person 250 pounds placed at the center of the span (total 250 pounds). | Two-person 250 pounds placed 18 inches to the left and right of the center of the span (total 500 pounds). |
|---|
What grade of material should a wood scaffold plank be?
(a) made of
No. 1 grade or better spruce or fir
.
Do you have to be qualified to erect scaffolding?
Q. What qualifications do I need to put up scaffolding? …
Scaffolds should be designed, erected, altered and dismantled only by competent people
and the work should always be carried out under the direction of a competent supervisor. This is a requirement of the Work at Height Regulations 2005.
How far past each end of the scaffold should insulation tiger tails on live powerlines extend?
installing tiger tails for the full length of the scaffolding plus a
minimum distance of 5 metres beyond each end
of the scaffolding. A competent person should visually inspect the tiger tails each day before scaffolding operations start.
Do you need a permit to erect scaffolding?
If your builder or scaffolder needs to put up scaffolding within the boundary of your property
there is no need for a licence
. However, if any part of the scaffolding needs to go on the pavement or the road outside your property your builder or scaffolder must get a licence from your local council.
How far must a ladder extend above the landing?
Describes the OSHA rules for use of a portable ladder to access an upper landing surface – the side rails must extend
at least 3 feet above
the landing surface.
When installed toeboards should extend a minimum of how many inches over the working platform?
Toeboards shall extend a minimum of
4 inches
above the working surface. When the placement of the scaffold work platform prevents the installation of guardrails, other fall protection equipment shall be used.
What is the maximum leg spacing on a medium duty scaffold?
3.6. 2 Medium duty scaffolds will have a post spacing of
8 feet longitudinal and 6 feet transverse
, load rated at 50 lb./ft. and not exceeding 125 feet in height.
What is the maximum deflection that a loaded wooden scaffold plank can have?
8-1988, Construction and Demolition Operations — Scaffolding — Safety Requirements, the deflection of a scaffold plank under its design load must
not exceed the span length divided by 60
.
What does fully planked mean in relationship to scaffold platforms?
Another reason to fully plank or deck the platform, is the load that needs to be carried. A fully planked or decked platform will
help divide the load (workers, materials and tools) more evenly, putting less stress on each individual unit
.
What are 5 requirements for scaffolding?
- Robb Tinney, Safety Advisor. Safety Management Group.
- Start with training.
- Follow the instructions.
- Consider the hazards.
- Use a tagging system.
- Inspect and re-inspect.
- One more: respect their complexity.
What is the maximum distance allowed between planks on a scaffold?
(Emphasis added). 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 maximum load for a single point scaffold?
Check that the maximum intended load for single-point adjustable suspension scaffolds is
250 pounds
.
Can you not work on a scaffold until?
Employees are not permitted to work on those construction or facility surfaces until it has
been determined that the surfaces have the requisite strength and structural integrity to support the workers
.
What is the minimum distance required for scaffold planks to extend over the support frame without the use of a cleat?
Except as provided in paragraphs (b)(2)(i) and (b)(2)(ii) of this section, each scaffold platform and walkway shall be at least 18 inches (46 cm) wide. … 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)
.
Where are scaffold load limits?
(6) The maximum intended working load for each scaffold shall be posted at
a conspicuous location at each jobsite
or be provided to each supervisory employee who shall have it readily available at the jobsite.
What are the capacity requirements for all scaffolds?
4. What are the capacity requirements for all scaffolds? According to 1926.451(a)(1), each scaffold and scaffold component must support, without failure,
its own weight and at least four times the maximum intended load applied or transmitted to it
. OSHA also says that a qualified person must design the scaffolds.
What is the distance of 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. The vertical spacing of ledgers is about 1.2 – 1.5 m and spacing of putlogs is 1.2 – 1.5 m. Boardings and guards are also provided.
How many inches must the planks extend past their support?
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.
How wide should scaffolding be?
It is recommended that the width of a working platform shall be a
minimum of 600 millimetres wide
and a scaffold which is used for the deposit of materials shall be a minimum of 800 millimetres wide. A scaffold used for the support of a higher platform should be at least 1.05 metres wide.
Do scaffold planks need to be secured?
It merely noted that, “
all planks shall be secured from movement or overlapped in accordance with §1926.451
(a)(12).” Like the current standard, the 1975 standard did not address this issue (section 1926.451(a)(12), stated simply that “all planking of platforms shall be overlapped (minimum 12 inches), or secured from …
