DISP Scaffolding Regulations
If you have any questions or
concerns regarding safety in the use, application and setup of the scaffolding,
notify Steve Feller immediately.
General Rules for
scaffolding use:
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The wheels must be locked and rigid before climbing on the scaffolding.
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Persons using the scaffolding keep their center of gravity above the
scaffolding.
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Scaffolding shall not be moved with someone on it.
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Scaffolding construction shall include all pins, braces and bolts.
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Planks and walk boards shall always be at least 36 inches below the top
of the scaffolding.
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People shall not work below or in the fall-zone of the scaffolding.
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The “steps” on the side of the scaffolding shall be in a line.
The following are specifically
related to our scaffolding; however this is not intended to be an inclusive
list of regulations. Please refer to the following link for further relevant
information from the OSHA regulations.
http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=9720
1910.28(a)(1)
Scaffolds shall be furnished and
erected in accordance with this standard for persons engaged in work that
cannot be done safely from the ground or from solid construction, except that
ladders used for such work shall conform to 1910.25 and 1910.26.
The footing or anchorage for
scaffolds shall be sound, rigid, and capable of carrying the maximum intended
load without settling or displacement. Unstable objects such as barrels, boxes,
loose brick, or concrete blocks shall not be used to support scaffolds or
planks.
1910.28(a)(5)
Scaffolds and other devices
mentioned or described in this section shall be maintained in safe condition.
Scaffolds shall not be altered or moved horizontally while they are in use or
occupied.
1910.28(a)(6)
Any scaffold damaged or weakened
from any cause shall be immediately repaired and shall not be used until
repairs have been completed.
1910.28(a)(17)
Scaffolds shall be provided with
a screen between the toeboard and the guardrail,
extending along the entire opening, consisting of No. 18 gauge U.S. Standard
Wire one-half-inch mesh or the equivalent, where persons are required to work
or pass under the scaffolds.
1910.28(a)(20)
Tools, materials, and debris
shall not be allowed to accumulate in quantities to cause a hazard.
1910.28(a)(22)
Wire or fiber rope used for
scaffold suspension shall be capable of supporting at least six times the
intended load.
1910.28(d)
"Tubular welded frame
scaffolds."
Metal tubular frame scaffolds,
including accessories such as braces, brackets, trusses, screw legs, ladders,
etc., shall be designed and proved to safely support four times the maximum
intended load.
Spacing of panels or frames
shall be consistent with the loads imposed.
1910.28(d)(3)
Scaffolds shall be properly
braced by cross bracing or diagonal braces, or both, for securing vertical
members together laterally, and the cross braces shall be of such length as
will automatically square and aline vertical members
so that the erected scaffold is always plumb, square, and rigid. All brace
connections shall be made secure.
Scaffold legs shall be set on
adjustable bases or plain bases placed on mud sills or other foundations
adequate to support the maximum intended load.
The frames shall be placed one
on top of the other with coupling or stacking pins to provide proper vertical alinement of the legs.
Where uplift may occur, panels
shall be locked together vertically by pins or other equivalent suitable means.
Guardrails not less than 2 x 4
inches or the equivalent and not less than 36 inches or more than 42 inches
high, with a mid-rail, when required, of 1- x 4-inch lumber or equivalent, and toeboards, shall be installed at all open sides on all
scaffolds more than 10 feet above the ground or floor. Toeboards
shall be a minimum of 4 inches in height. Wire mesh shall be installed in
accordance with paragraph (a)(17) of this section.
All tubular metal scaffolds
shall be constructed and erected to support four times the maximum intended
loads.
1910.28(d)(9)
To prevent movement, the
scaffold shall be secured to the building or structure at intervals not to
exceed 30 feet horizontally and 26 feet vertically.
Maximum permissible spans of
planking shall be in conformity with paragraph (a)(9)
of this section.
Drawings and specifications for
all frame scaffolds over 125 feet in height above the base plates shall be
designed by a registered professional engineer and copies made available to the
employer and for inspection purposes.
All tubular welded frame
scaffolds shall be erected by competent and experienced personnel.
Frames and accessories for
scaffolds shall be maintained in good repair and every defect, unsafe
condition, or noncompliance with this section shall be immediately corrected
before further use of the scaffold. Any broken, bent, excessively rusted,
altered, or otherwise structurally damaged frames or accessories shall not be
used.
Periodic inspections shall be
made of all welded frames and accessories, and any maintenance, including
painting, or minor corrections authorized by the manufacturer, shall be made
before further use.