Tunneling Machine Lowered Underground
Yesterday, Rachel, our tunnel boring machine (TBM), was lowered in sections about 100 feet below ground using the access shaft in Carson. After being assembled and tested underground, she will start tunneling.
Yesterday, Rachel, our tunnel boring machine (TBM), was lowered in sections about 100 feet below ground using the access shaft in Carson. After being assembled and tested underground, she will start tunneling.