In excavation work, what does surcharge near the trench edge mean?
Correct Answer
C) Extra load placed near the excavation, such as spoil, equipment, or stored pipe
A surcharge is an additional load near the excavation edge that can increase pressure on trench walls, such as spoil piles, equipment, or materials. Other choices use unrelated cost, water, or bedding terms.
Why This Is the Correct Answer
A surcharge is an additional load near the excavation edge that can increase pressure on trench walls, such as spoil piles, equipment, or materials. Other choices use unrelated cost, water, or bedding terms.
Why the Other Options Are Wrong
Option A: The fee for hauling excess soil
The trap in A is The fee for hauling excess soil. That selection is wrong because it points to The fee for hauling excess soil, but.
Option B: The water added for dust control
Choice B gives The water added for dust control. Its specific error: it answers the Surcharge prompt with the wrong practical move.
Option D: The pipe bedding below the haunch
In site construction, The pipe bedding below the haunch is the wrong selection for Surcharge: it solves the wrong trade problem; the field result tied to Surcharge is Extra load placed near the excavation, such as spoil, equipment, or stored pipe.
Memory Technique
Use surcharge as the label and Extra load placed near the excavation, such as spoil, equipment, or stored pipe as the definition to recall under pressure.
Reference Hint
Open Pipe and Excavation Contracting, 2011; use the index entry or section for "Excavation stability and surcharge loads" to confirm that A surcharge is an additional load near the excavation edge that can increase pressure on trench walls, such as spoil piles, equipment, or materials.
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