Design and construction of backfilled and grouted borehole heat exchangers (Endorsed by Asociación Española de Normalización in June of 2023.)
Edition 2023-06-01

Design and construction of borehole heat exchangers; German and English version prEN 17522:2020
Edition 2020-06

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Laying of pressure pipework outside buildings
Edition 2016-09

Domestic swimming pools - Part 2: Specific requirements including safety and test methods for inground pools; German version EN 16582-2:2015
Edition 2015-11

Determination of compressive shear strength of wood adhesives at elevated temperatures; German version EN 17224:2019
Edition 2019-09

Ductile iron pipes - Push-in joints for ductile iron pipe systems - Resistance against root penetration - Requirements and test methods; German version EN 17970:2024
Edition 2024-08

Execution of special geotechnical works - Ground treatment by deep vibration; German version EN 14731:2005
Edition 2005-12

Geotechnical investigation and testing - Field testing - Part 2: Dynamic probing (ISO 22476-2:2005 + Amd 1:2011); German version EN ISO 22476-2:2005 + A1:2011
Edition 2012-03

Underground tanks of glass-reinforced plastics (GRP) - Horizontal cylindrical tanks for the non pressure storage of liquid petroleum based fuels - Part 2: Transport, handling, storage and installation of single wall tanks; German version EN 976-2:1997
Edition 1997-09

Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 5: Stress change measurements by total pressure cells (TPC) (ISO 18674-5:2019); German version EN ISO 18674-5:2019
Edition 2020-02