Brief definition
Cost group 100 (KG 100) under DIN 276 comprises preparatory site measures — work on the plot before the main construction works begin, insofar as assigned to this group.
Relevance for quantity take-off and BoQ
Quantities often derive from site plans and earthworks drawings (areas, volumes, lengths). Traceable geometry sources matter for bills of quantities and cost tracking.
Normraum relevance
For KG 100, Normraum delivers no quantities: preparatory site measures come from the site plan and terrain sections, not from the building floor plan. The link sits one level up – the as-built room book with areas per room under DIN 277 and a check log is the area basis that cost indicators for the overall project refer to.