Management and control of operational activities in drain and sewer systems outside buildings - Part 2: Rehabilitation; German version EN 14654-2:2013— 35 стр.
Management and control of operational activities in drain and sewer systems outside buildings - Part 1: Cleaning; German version EN 14654-1:2014— 33 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 17 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 17 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 16 стр.