This Sub-class includes scaffolds and work platforms erecting and dismantling.
•foundation works (including micropiling, conventional piling and underpinning), see 43901 •brick laying, stone setting and cement works, see 43902 •roofing works (including timber carcassing), see 43903 •production of pre-cast concrete components , see 43904 •sandblasting/shotblasting works (except ships), see 43906