Tunnel Engineering

Which one of the following statements is not correct for heading and benching method of tunnelling?

  • A. Drilling and mucking can be done simultaneously
  • B. Benching provides a platform for working on heading
  • C. Removal of muck from the heading is very easy
  • D. None of these
Answer: Option C.

IS 14665 gives details about elevators. It specifies the number, capacityof elevator and number of floors to be served.

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