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431300 Test drilling and boring
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This type includes:
- test drilling, test boring and core sampling for construction, geophysical, geological or similar purposes
This type excludes:
- drilling of production oil or gas wells (see 061000, 062000)
- test drilling and boring support services during mining activities (see 099000)
- water-well drilling (see 422100)
- shaft sinking (see 439905)
- oil and gas field exploration (see 091000)
- geophysical, geological and seismic surveying (see 711205)
boring with the use of sonde; building, boring; core sampling; research boring; test boring; works of deep boring