German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Timbering to trenchwork— 14 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Groundwater lowering— 11 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Ground treatment by grouting— 12 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Underground construction work— 21 стр.