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Technical rule [CURRENT]

DVGW GW 329

Fachaufsicht und Fachpersonal für steuerbare horizontale Spülbohrverfahren - Lehr- und Prüfplan
Edition 2003-05

Technical rule [CURRENT]

DVGW W 110

Well logging in open boreholes and wells for groundwater exploration and monitoring
Edition 2019-05

Technical rule [CURRENT]

DVGW W 116

Application of drilling fluid additives for the construction of water and monitoring wells with flush drilling methods
Edition 2019-12

Technical rule [CURRENT]

DVGW W 120-1

Qualifikationsanforderungen für die Bereiche Bohrtechnik, Brunnenbau, -regenerierung, -sanierung und -rückbau
Edition 2012-08

Technical rule [CURRENT]

DVGW W 120-2

Qualifikationsanforderungen für die Bereiche Bohrtechnik und oberflächennahe Geothermie (Erdwärmesonden)
Edition 2013-07

Technical rule [CURRENT]

DVGW W 333

Tapping Valves and Tapping Operation in Water Supply
Edition 2020-09

Technical rule [CURRENT]

DVGW W 336

Wasseranbohrarmaturen; Anforderungen und Prüfungen
Edition 2013-10

Technical rule [CURRENT]

VDI 3208

Deep hole boring with gun drills
Edition 2014-04

Technical rule [CURRENT]

VDI 3209 Blatt 1

Deep hole boring systems with external supply of coolant
Edition 2024-01

Technical rule [CURRENT]

VDI 3209 Blatt 2

Deep hole boring - Approximate values for skiving and roller burnishing of bores
Edition 2019-01

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