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IEC 45/423/NP
Proposal of the Swiss NC: Revision of IEC 60576, 1st Ed. (1977): Portable bore-hole logging equipment (down to 300 m) - General characteristics
ATV DIN 18302 AA
Borehole sinking operations
CEN/TC 451/WG 2
Borehole heat exchangers
ISO/TC 182/WG 8
Borehole expansion tests
NA 005-05-09-01 AK -dormant
Borehole expansion tests
NA 119-07-03-02 UA
Borehole heat exchangers
CEN/TC 451
Water wells and borehole heat exchangers
NA 005-05-21 AA -dormant
Geothermy - Closed-loop heat exchange systems in boreholes (Downhole heat exchangers)
DIN IEC 61874
Nuclear instrumentation - Geophysical borehole instrumentation to determine rock density (density logging) (IEC 61874:20xx)
DIN EN 17522
Design and construction of backfilled and grouted borehole heat exchangers; German version EN 17522:2023
