Select ONE statement that is TRUE. (1 Mark)

Question

Accepted Answer

Excavation projects
involving soil with a significant proportion of cohesionless soil and high
level of groundwater often encounter piping issues

Answer

Reinforced earth walls are
generally constructed following a top-down sequence

Answer

Timber shoring is cheaper to
construct than aluminium hydraulic shoring

Answer

Lagging systems using
H-piles are generally constructed following a bottom-up sequence

Answer

Protection measures are not
required for excavations less than 1.5 meters in depth

Crowdly