Applies to differing types of machines used in the construction, water well drilling, mining and quarrying industries above as well as underground, including tunnel construction. Covers percussive, rotary, and rotary percussive drilling methods. Also deals with hazards relating to mechanized drill rigs used as intended and under manufacturer's conditions.

UNI EN 791:2009

SS EN 791:1995 - Identical

UNE EN 791:1996 - Identical

NS EN 791:1995 - Identical

NF EN 791:1996 - Identical

I.S. EN 791:1996 - Identical

NBN EN 791:1996 - Identical

DIN EN 791 (1996-01) - Identical

ONORM EN 791:1996 - Identical

BS EN 791:1995+A1:2009 - Identical

NEN EN 791:1995 - Identical

SN EN 791:1996 - Identical