Shall bear on a foundation of sufficient size and strength to spread the (b) General requirements for wood pole scaffolds. Including any wire or fiber ropes, when using a heat-producing process. (27) Special precautions shall be taken to protect scaffold members, WindowĬleaners' anchor bolts shall not be used. Of anchor bolts, reveal bolts, or other equivalent means. (26) Scaffolds shall be secured to permanent structures, through use (25) Lumber sizes, when used in this section, refer to nominal sizes (24) The use of shore scaffolds or lean-to scaffolds is prohibited. (23) When acid solutions are used for cleaning buildings over 50įeet in height, wire rope supported scaffolds shall be used. (22) Wire or fiber rope used for scaffold suspension shall beĬapable of supporting at least six times the intended load. (21) Only treated or protected fiber rope shall be used for or nearĪny work involving the use of corrosive substances or chemicals. (20) Tools, materials, and debris shall not be allowed to accumulate Ice or snow, unless all ice or snow is removed and planking sanded to (19) Employees shall not work on scaffolds which are covered with (18) Employees shall not work on scaffolds during storms or high Persons are required to work or pass under the scaffolds. Standard Wire one-half-inch mesh or the equivalent, where (17) Scaffolds shall be provided with a screen between the toeboardĪnd the guardrail, extending along the entire opening, consisting of No.ġ8 gauge U.S. (16) Overhead protection shall be provided for men on a scaffold (15) Materials being hoisted onto a scaffold shall have a tag line. Securely and rigidly braced to prevent swaying and displacement. (14) The poles, legs, or uprights of scaffolds shall be plumb, and (13) Scaffold planks shall extend over their end supports not less (12) An access ladder or equivalent safe access shall be provided. (11) All planking or platforms shall be overlapped (minimum 12 Straight pull and shall be driven full length. Of adequate size and in sufficient numbers at each connection to develop (10) Nails or bolts used in the construction of scaffolds shall be Thickness is 4 feet with medium loading of 50 p.s.f. The maximum permissible span for 1\1/4\ x 9-inch or wider plank of full X 9-inch or wider planks are shown in the following table: (9) All planking shall be Scaffold Grade as recognized by grading Rough sizes, the nominal size lumber shall be such as to provideĮquivalent strength to that specified in tables D-7 through D-12 and D. (Note: Where nominal sizes of lumber are used in place of Undressed lumber of the size specified will satisfy minimum Standards, except that where rough sizes are noted, only rough or Allĭimensions are nominal sizes as provided in the American Lumber (Stress Grade) construction grade lumber. (8) All load-carrying timber members of scaffold framing shall be a (7) Scaffolds shall not be loaded in excess of the working load for Immediately repaired and shall not be used until repairs have been (6) Any scaffold damaged or weakened from any cause shall be Scaffolds shall not beĪltered or moved horizontally while they are in use or occupied. Section shall be maintained in safe condition. (5) Scaffolds and other devices mentioned or described in this Without failure at least four times the maximum intended load. (4) Scaffolds and their components shall be capable of supporting Unstable objects such as barrels, boxes, loose brick, orĬoncrete blocks shall not be used to support scaffolds or planks. (2) The footing or anchorage for scaffolds shall be sound, rigid,Īnd capable of carrying the maximum intended load without settling orĭisplacement. (1) Scaffolds shall beįurnished and erected in accordance with this standard for personsĮngaged in work that cannot be done safely from the ground or from solidĬonstruction, except that ladders used for such work shall conform to (a) General requirements for all scaffolds. 1910.28 Safety requirements for scaffolding. 1910.28 LABOR Regulations Relating to Labor (Continued) OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OCCUPATIONAL SAFETY AND HEALTH STANDARDS Walking-Working Surfaces 29 LABOR 5 false Safety requirements for scaffolding.
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