4312 Site preparation

This subcategory includes:

• preparation works for agricultural land
• preparation works for making sites ready for subsequent construction works, including blasting and rock removal works
• preparation works for mining: overburden removal and other development and preparation works of mineral properties and sites, including tunnelling, except for oil and gas extraction
• site clearance, undergrowth clearance
• soil stabilisation
• horizontal drillings for the passage of cables or drainpipes
• digging of trenches for site drainage
• site preparation for archaeological excavation

This subcategory excludes:

• drilling services incidental to petroleum and natural gas extraction, see 09.10.01
• decontamination of soil, see 39.00.11
• water well drilling, see 42.21.24
• shaft sinking, see 43.50.03

This subcategory includes:

• digging of trenches, for utilities, urban drainage, various roadworks etc.
• digging of conventional ditches for various constructions
• contaminated topsoil stripping works
• land re-creation works
• large-scale earthworks, excavations, sloping, earthmoving works in making embankments or cuttings, prior to highway construction (roads, motorways, railways etc.)
• other excavating and earthmoving works n.e.c.