Safety - Open-pit excavation - Procedure
Edition 1985-09-30

Standard Practice for Installation of an Outside Sewer Service Cleanout through a Minimally Invasive Small Bore Vacuum Excavation and Same Day Restoration
Edition 2022

Vacuum Excavation and Sewer Cleaning Equipment Classification and Nomenclature
Edition 2019-11-19

Vacuum Excavation and Sewer Cleaning Equipment - Safety Requirements
Edition 2021-09-21

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

Execution of special geotechnical work - Diaphragm walls; German version EN 1538:2010+A1:2015
Edition 2015-10

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

Conservation of cultural heritage - Guidelines for management of waterlogged wood on archaeological terrestrial sites; German version EN 16873:2016
Edition 2017-02

Trenchless construction and testing of drains and sewers; German version EN 12889:2022
Edition 2023-03