Category: Safety & quality
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
Excavation shoring protects trench and pit sides from collapse by sloping to suit the soil, by struts and sheeting, by trench boxes, or by piles and retaining walls for deep digs next to buildings.
Why it matters on a project
Collapsing excavation sides are among the most dangerous site incidents because they happen without warning. The safety plan sets the depth at which protection is required for the soil type.
Measurement and pricing
By method: square metres of shored face, linear metres of retaining wall, or lump sum.
Common mistake
Sending workers into a deep vertical-sided dig without shoring, with spoil heaped at the edge.
Frequently asked questions
When is shoring required?
Depending on depth, soil type and neighbouring buildings, as the safety plan and engineer set.
Where should spoil go?
Back from the edge at a safe distance so it does not load the sides.
Related terms
- ExcavationRemoving soil down to the required foundation level.
- DewateringLowering groundwater so excavation and foundations can be built dry.
- Retaining wallA wall designed to hold back soil on one side.
- Confined spaceA space with limited access where dangerous gases may build up or oxygen may drop.
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