Page 7 - DETERMINATION OF HARD MASSS AND ROCK MASS

CLASSIFICATION OF HARD MASS & ROCK

MASS

Trial excavation shall be carried out using the

02 machineries and equipment as specified in Sub-

Section 2.4.1 (f) and Sub-Section 2.4.1 (g) to confirm

CONFIRMATION OF that the excavated material is categorized under hard

HARD MASS AND

ROCK MASS BY mass or rock mass excavation based on its hourly

MACHINERY (DIRECT production rate.

METHOD)

& Note: If the Contractor provides to use machinery

(INDIRECT METHOD : larger than as specified above, it should be considered

POINT LOAD TEST). equivalent to the specified capacity for the purpose of

approval.