Page 30 - DETERMINATION OF HARD MASSS AND ROCK MASS
P. 30
CLASSIFICATION OF HARD MASS & ROCK
MASS
03 All the data collection and result testing to described
the procedures of inspection to determine Rock Mass
or Hard Mass in report to justified Both criteria (i.e.
REPORT AND DATA direct method and indirect method) shall be fulfilled in
COLLECTION TO
VERIFY HARD MASS order for the material to be classified as hard mass or
AND ROCK MASS rock mass
BY MACHINERY
