A concrete footing sits adjacent to trench excavations while maintaining a two-foot horizontal clearance from the excavation slope. The bottom of the trench excavation must not extend below the dashed 1-to-2 slope line projected from the underside of the footing.
FTG B/TRENCH EXCAVATION SHALL NOT EXTEND BELOW THIS LINE 1 2 GRADE TRENCH EXCAVATION TRENCH EXCAVATION 2'-0"
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