From: A visual tool for accessibility study of pipeline maintenance during design
Application | Box size* |
---|---|
One person traveling in an area with limited access | 51×51×150 |
One person in unrestricted area, where two persons could pass | 71×71×210 |
One person with a cart | 71×120×210 |
Normal two-way traffic or any means of egress that leads to an entrance or exit | 92×120×210 |
Corridor or passageway that serves as a required exit | 112×120×210 |