TBM Re-Launch System
Dragados/Judlau
Saddles on dollies and anchorage systems to facilitate loading, transportation and launching of 22’ diameter shielded TBM from one alignment to another
TBM Thrust Anchors
Dragados/Judlau
Struts with capacity for 50% of Full thrust for 22’ Diameter open TBM. Contingency plan for Y cavern re-launch
TBM Partial Disassembly Plan
Dragados/Judlau
Contingency plan for removing Double shield TBM through tunnel with ring beams. Includes custom engineered 240 ton capacity low profile dollies
TBM Backout Plan
Dragados/Judlau
Complete plan with detailed design of all material handling components for removing 22’ diameter open TBM from tunnel
TBM Launching Frame
Traylor/Skanska/Jay Dee
Conceptual design of 4000 ton capacity TBM launching system
TBM Thrust Ring
Traylor/Skanska/Jay Dee
Detailed design of thrust ring for TBM launch systems
Jacking Frame
DSI Underground
Preparation of detailed drawings for fabrication of 700,000 lb. structure which reacts 21,000 Kip TBM thrust
Jacking Frame – 42′ x 12,000 Kips
Dragados/Schiavone
Conceptual design of TBM jacking frame
Jacking Frame – 10′ TBM
SAK®
Preliminary design to determine budgetary cost for feasibility compared to other options
TBM Cradle
Kiewit/Shea
Final design and drawings for TBM launch cradle and procedure
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