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During staged underpinning adjacent to inhabited buildings keyed to alternating pit sequencing, what field control is universally paired with deformation monitoring?

Choices

  • (A) Full-depth shear without surveying
  • (B) Engineered shoring braces with dial monitoring and Holds if neighbour cracks widen
  • (C) Stop surveying once excavation bottoms out arbitrarily
  • (D) Stack pallets atop the underpin needle same day arbitrarily

Correct answer: (B)

Engineered shoring braces with dial monitoring and Holds if neighbour cracks widen

Explanation

Monitoring + staged shoring arrests progressive tilt.

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Question 128 of 176