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THE PROCESS (1. DESK STUDIES (Collect as much material as possible about…

- - - - Block sampling and detection of services prior to borehole excavation
      - Can be dug by hand or mechanical excavator
      - Shallow excavations going down to a depth not greater than 6m
      - Only suitable in dry area
      - Suitable use in exploring back filled area and sites overlain by variable natural deposits
    - - To determine the nature of the ground (usually <6m)
      - Recover undisturbed samples for quantitative examination
      - Information gained is and extremely limited picture of the subsurface structure
      - Types of boring machine
        
        Light percussive
        
        Drilling machine