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Lockout / Tagout - Ohio Bureau of Workers' Compensation

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guards and/or devices assure employee protection from unexpected machine<br />

component energization during set-up procedures, the standard at 29 CFR 1910.147<br />

would not be applicable. However, if such protection is not assured and it is your intent<br />

to provide for compliance with the lockout/tagout standard through implementation <strong>of</strong><br />

the enclosed set-up procedure, our review identified serious deficiencies. In order to<br />

provide further guidance regarding your obligations under the new lockout/tagout<br />

standard we <strong>of</strong>fer the following information.<br />

The standard at 29 CFR 1910.147(c)(4) requires that procedures be developed,<br />

documented and utilized for the control <strong>of</strong> potentially hazardous energy. The procedures<br />

must clearly outline the scope, purpose, authorization, rules and techniques to be used.<br />

The procedures must identify each specific equipment and it's unique energy isolation<br />

requirements. (Generic procedures are permitted for similar equipment.) Energy<br />

isolation devices must be identified as well as the procedures for shut-down,<br />

lockout/tagout and deenergization verification. Operators who are required and/or<br />

permitted to engage in maintenance/servicing functions requiring lockout/tagout are<br />

designated as "authorized employees" and must receive comprehensive training<br />

regarding the mandatory procedures for lockout/tagout as required at 29 CFR<br />

1910.147(c)(7).<br />

Prior to beginning maintenance/servicing operations, the equipment must be<br />

deenergized and locked-out or tagged-out as required at 29 CFR 1910.147(c)(5), (c)(7),<br />

and (d). All potentially hazardous energy sources must be deenergized, therefore all<br />

pressurized air supplies (air lines), or other energy sources, must also be controlled.<br />

In the event that a tagout procedure is to be used, the standard requires more extensive<br />

procedures than those required if lockout is used. Please refer to 29 CFR<br />

1910.147(c)(2),(c)(3),(c)(5), and (d)(4).<br />

A copy <strong>of</strong> the standard is enclosed. If we may be <strong>of</strong> further assistance please contact<br />

us.<br />

Sincerely,<br />

Gerard F. Scannell Assistant Secretary<br />

Enclosures<br />

7-5

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