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Before the actual work tasks begin, the retrieval device must be set up at the space entrance, or nearby so that employees can be promptly and safely extracted from the space.
The placement of the retrieval device will be deter- mined during the job briefing, based on potential haz- ards in the space and around the work area. For structures less than 48" in depth, the retrieval device does not have to be set up. When accessing the top of a transformer directly from street level to place grounds, if the top is within 48" of the grating and there is no potential to fall further into the structure, the retrieval device does not have to be set up.
The preferred placement of the self-supporting ex- traction device is always at the structure opening, in position to facilitate immediate use for rescue. If the work area cannot be configured to support this place- ment, the device may be positioned elsewhere in- side the work area, but personnel must ensure that they have identified the location where the device would be set up to facilitate rescue, and maintain that area free of material or equipment.
A ladder must be placed in the electrical enclosed space at all times during work in the space, unless it is impractical due to the position of the ladder in relation to the work tasks in the structure. If impractical, then the ladder must be positioned within reaching distance of the attendant at the entrance into the space.
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