Definitions
General Requirements
MORE General Requirements
Safe Use
Fall Protection and Falling Object Protection
100
One who is capable of identifying…hazards in the surroundings …and who has authorization to take prompt corrective measures to eliminate them.
Competent Person
100
Scaffolds and their components need to be able to withstand ____ times the maximum intended load
4
1926.451(a)(1)
100
Front edge of all platforms shall not be more than ____” from the face of the work, unless guardrail systems are erected along the front edge or PFAS is used (with exceptions)
14”
1926.451(b)(3)
100
Scaffolds & components shall be inspected for visible defects after any occurrence that could affect the structural integrity AND _________
Before each work shift
1926.451(f)(3)
100
Guardrail systems shall be installed along all ____ ____ and ____ of platforms
Open sides/ends
1926.451(g)(4)(i)
200
Device that locks together the tubes of a tube & coupler scaffold
Coupler
200
Scaffolds shall be designed by a _____ person
Qualified
1926.451 (a)(6)
200
End of a platform, 10’ or less, shall not extend over its support more than ___”
12”
Unless the platform is designed/installed so the cantilevered portion of the platform is able to support employees/materials w/o tipping OR has guardrails blocking employee access to the cantilevered end
1926.451(b)(5)(i)
*OVER 10’ in length, do not extend more than 18” over supports
200
Clearance between the scaffold and uninsulated <50kv powerlines must be a minimum of ___’ unless de-energized or otherwise approved by the power company
10’
1926.451(f)(6) (table)
200
Each employee on a scaffold more than ___’ above a lower level shall be protected from falling to that lower level
10’
1926.451(g)(1)
300
Structural member…used to increase the base width of a scaffold in order to provide support for and increased stability
Outrigger
300
Each platform on every level shall be _____ _____ or decked between the front uprights and the guardrail supports
Fully Planked
1926.451(b)(1)
300
Wood platforms shall not be covered with _____ _____, except…edges may be covered or marked for identification
opaque finish
1926.451(b)(9)
May periodically coat w/wood preservatives, fire retardant finishes, slip-resistant finishes, but must not obscure the top/bottom of the wood surface
300
Employees shall be prohibited from working on scaffolds covered in ___, ___, or other ___ ___ except as necessary for removal of such materials
Snow/ice/slippery material
1926.451(f)(8)
300
Approved forms of fall protection include _____ or _______ systems
PFAS/guardrail
(safety nets are not often used on scaffolds for fall arrest, but CAN be)
1926.451(g)(1)(vii)
400
Work surface elevated above lower levels…constructed using individual wood planks, fabricated planks, fabricated decks…
Platform
400
On each platform the space between adjacent planks/decks/platforms shall not exceed ____”
1”
1926.451(b)(1)(i)
400
Supported scaffolds with a height to base width ratio of more than _____ shall be restrained from tipping by guying, tying, bracing, etc
4:1
1926.451(c)(1)
400
___ shall not be used on a scaffold to increase ones working height (w/some very specific exceptions)
Ladders
1925.451(f)(15)
400
Along with hardhats, each employee shall be provided ____, screens, guardrails, debris ___, etc to protect them against falling objects
Toeboards/nets
1926.451(h)(1)
500
Portion of a scaffold platform used only for access and not as a work level
Walkway
500
Each platform and walkway shall be at least ____” wide (with a couple exceptions)
18
1926.451(b)(2)
500
Supported scaffold poles, legs, posts, frames & uprights shall bear on ___ ___ and ___ ___ or other adequate firm foundation
Base plates/mud sills
1926.451(c)(2)
500
Work from scaffolds is ___ during storms or high winds
Prohibited
1926.451(f)(12)
Unless deemed safe by Competent Person AND FP is provided
500
Toeboards shall be at least ___” high from the top edge of the toeboard to the level of the walking/working surface
3.5”
1926.451(h)(4)(ii)
No more than ¼” off the platform