Page 22 - DETERMINATION OF HARD MASSS AND ROCK MASS
P. 22
CLASSIFICATION OF HARD MASS & ROCK
MASS
02 The provision of point load test equipment at site for
the abovementioned testing shall be at Contractor’s
CONFIRMATION OF
HARD MASS AND own cost and time.
ROCK MASS BY
MACHINERY (DIRECT Both criteria (i.e. direct method and indirect method)
METHOD) shall be fulfilled in order for the material to be classified
& as hard mass or rock mass. Confirmation test shall be
(INDIRECT METHOD : carried out again when in S.O.s opinion if the materials
’
POINT LOAD TEST).
excavated are different from the trial excavation before.
