Removal of formwork.
Reshoring shall not be removed until the concrete being supported has attained adequate strength to support its weight and all loads in place upon it.
What is the OSHA standard 1926.701 B?
The standard, 29 CFR 1926.701(b), states: "all protruding reinforcing steel, onto and into which employees could fall, shall be guarded to eliminate the hazard of impalement." The key words are "to eliminate the hazard of impalement." Exposure to impalement is always a consideration when employees are working above
Which of the following is an accepted method of determing when it is safe to remove concrete formwork?
After pouring and finishing the slab, you should wait 24-48 hours before removing concrete forms. You can remove the formwork once the concrete has enough strength to keep it from cracking. Concrete naturally contracts as it cures, so it should pull away from the forms and make them easier to remove.
What are the most frequently cited serious violations of the concrete and masonry construction standard?
Some of the most cited serious violations of subpart Q include: • Failure to protect employees from impalement when rebar is not capped or covered • Failure to establish a limited access zone (LAZ) to limit the number of workers in the danger zone where a masonry wall is under construction • Failure to brace
When can concrete formwork be removed?
When the concrete has enough strength to support the weight it must bear (seven days) strip the forms away. Do not use a metal tool against the surface to pry off forms because you may cause damage.
When a restricted zone shall be established whenever a masonry wall is being constructed?
F. 02 A restricted zone shall be established whenever a masonry wall is being constructed. The restricted zone is created to keep masons and other tradesmen away from a wall under construction when winds exceed critical velocities until the wall is completely tied into the rest of the structure.