Groundwork & Foundations trade jargon

Flagstone

Any large, flat stone used for paving and patios.

Footing

The concrete foundation upon which walls are built.

Foul drainage

Underground pipework that carries waste water from toilets, baths, sinks, washing machines, dishwashers and showers.

Foundations

The load-bearing part of a building constructed beneath the ground.

Groundworker

A tradesperson who prepares the construction site for a building, dealing with clearing the ground, laying the foundation and installing drainage.

Hard base

临时地板:铺设在建筑物上以方便运送材料的临时地板

Hardcore

A mix of stones, broken bricks, rubble and other material used as a filling in foundations or under hardstanding.

Manhole

A covered opening in paving that allows access beneath.

Soakaway

A purpose-built hole into which surface water can drain. Sometimes filled simply with rubble and covered, they can also contain specially made units for increased efficiency.

Spoil

Waste material produced during excavations.

Subsidence

地面下沉。

Subsoil

The layer of soil beneath the topsoil, which typically contains less organic matter.

Surface water drainage

When rain water falls on a property and drains away.

Topsoil

最上层的土壤，一般约2到8英寸深。

Trench

A ditch dug for either the laying of pipes, cables or foundations.

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