TBM Trailing Gear
TBM Rebuild
Teaming with Herrenknecht USA to provide engineering support for 12’ diameter TBM modifications
Detailed Design of the Following Systems:
• Trailing Gear
• Ventilation
• Tow System
Client: McNally/Kiewit WRTC
TBM Ground Support System
Ground support system design for 2 each 10.2m diameter TBMs including:
• Ring beam erector
• Roof bolting system
• Mesh Installation System
• Material handling system
Client: Robbins
TBM Rebuild
Proposal for rebuild of existing Robbins hard rock machine
Client: JayDee/Dillon Fluid Power
Electrical Work Decks
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
Client: Traylor Frontier –Kemper, Sound Transit Tunnel, UWS to CHS
Manufacturer: Nebraska Welding
Trailing Gear
Trailing gear design for 26’ diameter EPB machine on 1:6 decline
Client: Robbins
Manufacturer: Robbins
SELI TBM Burial Plan
Assistance with planning for retreiving trailing gear decks and grouting the TBM in now that mining is complete
Client: Dragados/Judlau – East Side Access
TBM Auxiliary Gripper System
Shoes on invert and arch anchor TBM while mining Y caverns
Client: Dragados/Judlau – East Side Access - CM009