Subsoil and groundwater; classification and description of soil and rock; borehole logging of soil and rock not involving continuous core sample recovery— 20 стр.
Corrosion of metals; probability of corrosion of metallic materials when subject to corrosion from the outside; buried and underwater pipelines and structural components— 12 стр.
Subsoil and groundwater; Designation and description of soil types and rock; Borehole log for boring in soil (loose rock) by continuous extraction of cores— 10 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Underground construction work— 18 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Trenchless pipelaying— 14 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Ground treatment by grouting— 13 стр.