NM CID GS-8 Practice Questions - New Mexico CID GS-8 Earthmoving, Excavation And Ditching Examination Exam

What is the functional difference between a shoring system and a trench shield?

Shoring supports the excavation sides to prevent cave-ins; a shield protects workers inside without necessarily preventing the soil from failing They are identical terms in 1926.650 A shield compacts the banks; shoring locates utilities Shoring is used only above ground

Correct Answer:

Shoring supports the excavation sides to prevent cave-ins; a shield protects workers inside without necessarily preventing the soil from failing

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