Custom Gantries
Custom tailored gantry systems
Cooling Unit Gantry
Nebraska Hoist & Crane
Manufactured by: Nebraska Welding
Design and delivery of cooling unit gantries
13.5 Ton Segment Gantry
Stacy & Witbeck
Design, fabrication, and commissioning of 13.5 ton rail segment gantry for use on Sound Transit Light Rail Project
Drill Gantry
Dragados/Judlau
Manufactured by: American Commercial
Provides safe access and storage for tunnel grout hole drilling. Air/Hydraulic hydraulic system with stabilizing shoes, and 5 axis drill positioning system. Wheel axles swing off of tracks allowing rolling stock to pass through.
Forward Bulkhead Gantry
Obayashi
Manufactured by: American Commercial
Provides access for safe bulkhead installation and has provisions for concrete placer storage
Aft Bulkhead Gantry
Obayashi
Manufactured by: Pro Fabricators
Provides access for safe bulkhead installation. Hydraulic drive, and steering. Hydraulic powered lift system for walking over skipped regions.
Grout Gantry
Dragados/Judlau
Manufactured by: American Commercial
Provides safe access and storage for tunnel grouting equipment and supplies. Air/Hydraulic drive system, with wheel axles that swing off of tracks allowing rolling stock to pass through.
Strut Gantry
Dragados/Judlau
Manufactured by: American Commercial
Transport strut assembly via air/hydraulic drive system and provides passage of rolling stock down tunnel rail
Precast Station Panel Handler
Judlau
Manufactured by: American Commercial
Boom truck mounted system transports and installs 23,000 pound pre-cast concrete panels next to a live track where crane access is not possible.
Ring Beam Gantry
Dragados/Judlau
Manufactured by: Nebraska Welding
Modified Grout Gantry for removal of tunnel ring beams
Screed Rail Lift Gantry
Dragados/Judlau
Manufactured by: Judlau
4 ton capacity gantry assists with rebar and waterproofing installation.
Tunnel Gantry
Dragados/Judlau
Conceptual Design of Self propelled steerable gantry for access to all points in tunnel. Runs on lined or unlined tunnel.
Cavern Gantry
Dragados/Judlau
Conceptual Design of Self propelled steerable gantry for access to cross cuts in cavern.
Roof Drilling & Spiling Gantry
Sandvik
Proposal for Roadheader spiling installation gantry.
Fire Proofing Gantry
Rolling Plains
Design of lift car gantry for fireproofing installation access.
Tunnel Inspection Gantry NYCDEP
Hatch Mott MacDonald
Manufactured by: Nebraska Welding
Design for portable, lightweight gantry.
Straddle Lift Capacity Assessment
Tapan Zee Constructors
Manufactured by: Job Provided
Assessment of capacity for modified straddle lift.
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