Management and control of operational activities in drain and sewer systems outside buildings - Part 1: Cleaning; German version EN 14654-1:2014— 33 стр.
Separator systems for light liquids (e.g. oil and petrol) - Part 1: Principles of product design, performance and testing, marking and quality control (consolidated version)
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Renovation works on drainage channels— 16 стр.
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: General requirements and performance characteristics— 29 стр.
