Wastewater treatment plants - Part 12: Control and automation; German and English version prEN 12255-12:2022
Edition 2022-03

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Dredging work
Edition 2019-09

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Sprayed concrete works
Edition 2016-09

Building costs
Edition 2018-12

Planning, design and installation of drainage systems protecting structures against water in the ground
Edition 1990-06

Aluminium and aluminium alloys - Terms and definitions - Part 4: Residues of the aluminium industry; Trilingual version EN 12258-4:2004
Edition 2005-03

Wastewater engineering - Vocabulary
Edition 2016-11

Characterisation of sludges - Filtration properties - Part 1: Capillary suction time (CST); German version EN 14701-1:2006
Edition 2006-06

Wells for water extraction - Part 1: Design; German and English version prEN 18049-1:2024
Edition 2024-03

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021
Edition 2021-07