Drainage; Control of Sub-surface Water Management by Draining with Pipes, Open-ditch Drainage and Amelioration of the Subsoil; General Instructions and Special Cases— 17 стр.
Drainage; Control of Sub-surface Water Management by Drainage with Pipes, Open-ditch Drainage and Amelioration of the Subsoil; Important Data for Planning and Dimensioning— 17 стр.
Plans for public utilities, water resources management and for long-distance pipelines; Maps and plans for water engineering, flood and coastal protection— 13 стр.
Subsoil and ground water; designation and description of soil types and rocky soil; list of soil courses for testing and boring without continious gaining of core trials— 12 стр.
Landscaping; site-stabilization, stabilization by seeding, living plant material, dead material and construction elements, combined construction methods— 9 стр.
Vegetation technology in landscaping; biological methods of site stabilization; stabilization by seeding and planting; stabilization by means of living plant material; dead material and building elements, combined construction methods— 15 стр.
