TBM Rebuild
McNally/Kiewit
Teaming with Herrenknecht USA to provide engineering support for 12’ diameter TBM modifications. Detailed Design of the Following Systems:
- Trailing Gear
- Ventilation
- Tow System
TBM Ground Support System
Robbins
Ground support system design for 2 each 10.2m diameter TBMs including:
- Ring beam erector
- Roof bolting system
- Mesh Installation System
- Material handling system
TBM Rebuild
JayDee/Dillon Fluid Power
Proposal for rebuild of existing Robbins hard rock machine
Electrical Work Decks
Traylor Frontier–Kemper
3 car system installed in between existing trailing gear cars provide access for permanent electrical system installation and provisions for delivery and storage of permanent materials
Trailing Gear
Robbins
Trailing gear design for 26’ diameter EPB machine on 1:6 decline
SELI TBM Burial Plan
Dragados/Judlau
Assistance with planning for retreiving trailing gear decks and grouting the TBM in now that mining is complete.
TBM Auxiliary Gripper System
Dragados/Judlau
Shoes on invert and arch anchor TBM while mining Y caverns
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