German construction contract procedures (VOB) - Part B: General conditions of contract relating to the execution of construction work
Edition 2016-09

Codes of practice for drinking water installations - Part 100: Protection of drinking water, drinking water quality control; DVGW code of practice
Edition 2011-08

Codes of practice for drinking water installations - Part 200: Installation Type A (closed system) - Planning, components, apparatus, materials; DVGW code of practice
Edition 2012-05

Codes of practice for drinking water installations - Part 300: Pipe sizing; DVGW code of practice
Edition 2012-05

Codes of practice for drinking water installations - Part 500: Pressure boosting stations with RPM-regulated pumps
Edition 2021-05

Testing of Bituminous Materials for Road Building and Related Purposes; Determination of Segregation Tendency
Edition 1975-12

Testing of asphalt; determination of dimensional stability when heated (Nüssel deformation index)
Edition 1990-11

Testing of asphalt; Herrmann falling ball test
Edition 1989-01

Drinking water supply from small units and non stationary plants - Part 2: Non stationary units - Guidelines for drinking water, planning, construction, operation and maintenance of units
Edition 2018-01

Metal packages - Ends for double seaming, round - Part 1: Dimensions, material, marking
Edition 1998-09