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,f <br /> 4. Planking <br /> ! A. Use only"scaffold grade"planking. <br /> B. Visually inspect plank prior to use to be sure plank is not warped,damaged or otherwise unsafe. <br /> C. Planking should have of least 12 inches of overlap and extend at least 6 inches nor more than 12 <br /> inches beyond the center of support or be cleated at both ends to prevent it from sliding off it's <br /> supports. <br /> 5. Dismantling Procedure <br /> A. Check to see if the scaffold has been structurally altered in any way which would make it unsafe and <br /> if so,reconstruct it where necessary before coinmencing with dismantling procedures. <br /> B. Visually inspect planking prior to dismantling to ensure that it is safe to work on. <br /> C. Do not accumulate excess components or equipment on the level being dismantled. <br /> D. Lower components in a safe manner so as to protect personnel below. <br /> E. Stockpile dismantled equipment in an orderly manner. <br /> NOTE: OSHA standards require that guardrails made of lumber, be not less than 2 x 4 inches (or other <br /> material providing equivalent protection),approximately 42 inches high, with a midrail of 1 x 6 inch lumber <br /> (or other material providing equivalent protection)and toeboards,shall be installed at all open sides and ends <br /> on all scaffolds more than 6 feet in height above the ground or floor. A standard toeboard should be at least 4 <br /> inches in height and be made of any substantial material either solid or open, with openings not to exceed I <br /> inch in greatest dimension. Where persons are required to work or pass under the scaffold,wire mesh should <br /> be installed between the toeboard and the guardrail,extending along the entire opening,consisting of No. 19 ! <br /> gauge U.S.standard wire%2 inch mesh or the equivalent. (j <br /> 4 <br /> I <br /> i <br /> i <br /> I <br /> j <br /> II <br /> 3 <br />