Attachment 4. ELECTRICAL- PS- One Line Drawing- simplied 2025-11-13.pdf

This image appears to be a detailed validation data chart or timeline for PS E703, showing a complex hierarchical flow of dates and validation processes. The document includes multiple validation dates at different levels, with annotations indicating validation by individuals (potentially a medical health care engineer). The chart uses a vertical layout with branching nodes representing different stages or checkpoints, with timestamps and possibly role/department notations. At the bottom of the image, there are specific validation details dated 11-11-23, though the full context of the validation process is not completely clear from this single page view.