Standard Interpretations - Table of Contents|
| Standard Number:||1910.146; 1910.146(b); 1910.146(c)(7); 1910.146(c)(7)(i); 1910.146(c)(7)(ii); 1910.146(c)(7)(iii); 1910.146(c)(7)(iv); 1910.147|
|This letter constitutes OSHA's interpretation only of the requirements discussed and may not be applicable to any situation not delineated within the original correspondence.|
(1) Is large enough and so configured that an employee can bodily enter and perform assigned work; andFrom the manufacturer literature you enclosed with your letter it appears that a dock leveler pit could meet each of the above criteria and hence be a confined space.
(2) Has limited or restricted means for entry or exit (for example, tanks, vessels, silos, storage bins, hoppers, vaults, and pits are spaces that may have limited means of entry.); and
(3) Is not designed for continuous employee occupancy.
(1) Contains or has a potential to contain a hazardous atmosphere;It appears from your literature that there could be mechanical, electrical, or other hazards within the dock leveler pit that could trigger the permit-required confined space designation. If the dock leveler pit was determined to be a permit-required confined space, an entry permit, along with all of the other required provisions of §1910.146 for permit space entry would have to be followed during entry.
(2) Contains a material that has the potential for engulfing an entrant;
(3) Has an internal configuration such that an entrant could be trapped or asphyxiated by inwardly converging walls or by a floor which slopes downward and tapers to a smaller cross section; or
(4) Contains any other recognized serious safety or health hazard.
(1) If the permit space poses no actual or potential atmospheric hazards and if all hazards within the space are eliminated without entry into the space, the permit space may be reclassified as a non-permit confined space for as long as the non-atmospheric hazards remain eliminated.Therefore, if the dock leveler pit only contains electrical and mechanical hazards that can be eliminated through lockout/tagout procedures, then the space may be reclassified as a non-permit required confined space during the period in which the lockout/tagout procedures are in effect in accordance with the conditions stated above. Lockout/tagout procedures cannot, however, serve to permanently reclassify the dock leveler to a non-permit confined space status unless the dock leveler is permanently locked out.
(2) If it is necessary to enter the permit space to eliminate hazards, such entry must be performed under paragraphs 1910.146(d) through 1910.146(k). If testing and inspection during that entry demonstrate that the hazards within the permit space have been eliminated, the permit space may be reclassified as a non-permit confined space for as long as the hazards remain eliminated.
(3) The employer must document the basis for determining that all hazards in a permit space have been eliminated, through a certification that contains the date, the location of the space, and the signature of the person making the determination. The certification must be made available to each employee entering the space or to that employee's authorized representative.
(4) If hazards arise within a permit space that has been declassified to a non-permit space under 1910.146(c)(7), each employee in the space must exit the space. The employer must then reevaluate the space and determine whether it must be reclassified as a permit space, in accordance with other applicable provisions of this section.
|Standard Interpretations - Table of Contents|
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