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'Bulking' of excavated material

Enter the dimensions asked for and the estimator will provide the 'bulked' up cubic metres of rock, chalk, earth, clay, sand and gravel. The calculations will be completed when you click calculate..




Dimensions  
Length of the Excavation in metres
Width of the Excavation in Metres
Depth of the Excavation in Metres
Total m3 

Volumes
The approximate volume in m3 of excavated material is: Approximate volume in tonnes: Skips or Lorry loads
DRY WET
Sound Rock
Chalk
Earth
Clay
Sand
Gravel
Optional cost & quantity data
Skip/roll on/lorry size yards
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Hazards associated with Excavations

The most common form of hazard associated with excavations is the collapse of the sides, which can happen without any warning signs.

Excavations can collapse if:

  • The sides of the excavation are not sufficiently self-supporting 
  • Surcharges from spoil, adjacent foundations, stored materials, plant or temporary works
  • Imposed loads overload the ground adjacent to an excavation
  • Groundwater ingress reduces the strength of the ground
  • Excavation supports are removed prematurely, to facilitate backfilling or compaction.

Other hazards of working in excavations include:

  • The presence of contaminants, which may be harmful to health, levels of which cannot always be assessed by sight or smell 
  • Gases migrating into excavations and creating explosive or poisonous atmospheres.
  • The presence of buried utility services
  • The presence of other excavations or other voids nearby.
  • Work in an excavation may involve kneeling down to carry out a task and thus increase the hazard for the person working in it.
  • i.e. what is a relatively shallow excavation becomes a ?deep? one, simply because the person is completely within it. Excavations can be defined as confined spaces





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