District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 2: Installation; German version EN 13941-2:2019+A1:2021
Edition 2022-06

Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623:2009 modified); German version EN 14161:2011+A1:2015
Edition 2015-07

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design; German version EN 13941-1:2019+A1:2021
Edition 2022-06

Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for the sampling of soil, rock and groundwater (ISO 22475-1:2021); German version EN ISO 22475-1:2021
Edition 2022-02

Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623:2017, modified); German and English version prEN 14161:2021
Edition 2021-08

Soil quality - Vocabulary (ISO/DIS 11074:2023); German and English version prEN ISO 11074:2023
Edition 2023-03

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

Soil quality - Vocabulary (ISO 11074:2015); Trilingual version EN ISO 11074:2015
Edition 2015-11

Seal-less rotodynamic pumps - Class II - Specification (ISO 15783:2002 + Amd.1:2008); German version EN ISO 15783:2003 + A1:2008
Edition 2010-04

Execution of special geotechnical work - Micropiles; German version EN 14199:2015
Edition 2015-07