Drainage - Control of sub-surface water management by draining with pipes and amelioration of the subsoil - Part 3: Construction and documentation— 12 стр.
Soil quality - Physical laboratory tests - Part 13: Determination of soil volume percentage, total pore volume and pore number of mineral soils— 5 стр.
Drainage; Control of Sub-Surface Water Management by Drainage with Pipes, Open-Ditch Drainage and Amelioration of the Subsoil; Design and "As Completed" Drawings— 2 стр.
Drainage; Control of Sub-Surface Water Management by Drainage with Pipes, Open-Ditch Drainage and Amelioration of the Subsoil; Design and "As Completed" Drawings— 2 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Land drainage and infiltration management works— 13 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Land drainage and infiltration management works— 12 стр.