Gantry lifts
Cooling Unit Gantry
Design and delivery of cooling unit gantries
Client: Nebraska Hoist & Crane
Manufacturer: Nebraska Welding
13.5 Ton Segment Gantry
Design, fabrication, and commissioning of 13.5 ton rail segment gantry for use on Sound Transit Light Rail Project
Client: Stacy & Witbeck
Drill Gantry
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.
Client: Dragados/Judlau – East Side Access
Manufacturer: American Commercial
Forward Bulkhead Gantry
Provides access for safe bulkhead installation and has provisions for concrete placer storage
Client: Obayashi - Atlanta CSO Constructors
Manufacturer: American Commercial
Aft Bulkhead Gantry
Provides access for safe bulkhead installation. Hydraulic drive, and steering. Hydraulic powered lift system for walking over skipped regions.
Client: Obayashi - Atlanta CSO Constructors
Manufacturer: Pro Fabricators
Grout Gantry
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.
Client: Dragados/Judlau – East Side Access
Manufacturer: American Commercial
Strut Gantry
Transport strut assembly via air/hydraulic drive system and provides passage of rolling stock down tunnel rail
Client: Dragados/Judlau – East Side Access
Manufacturer: American Commercial
Precast Station Panel Handler
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.
Client: Judlau – Brighten Station
Manufacturer: American Commercial
Ring Beam Gantry
Modified Grout Gantry for removal of tunnel ring beams
Client: Dragados/Judlau – East Side Access – CM009
Manufacturer: Nebraska Welding
Screed Rail Lift Gantry
4 ton capacity gantry assists with rebar and waterproofing installation
Client: Dragados/Judlau – East Side Access
Manufacturer: Judlau Shop
Tunnel Gantry
Conceptual Design of Self propelled steerable gantry for access to all points in tunnel. Runs on lined or unlined tunnel.
Client: Dragados/Judlau – East Side Access
Cavern Gantry
Conceptual Design of Self propelled steerable gantry for access to cross cuts in cavern.
Client: Dragados/Judlau – East Side Access
Roof Drilling & Spiling Gantry
Proposal for Roadheader spiling installation gantry
Client: Sandvik
Fire Proofing Gantry
Design of lift car gantry for fireproofing installation access
Client: Rolling Plains
Tunnel Inspection Gantry NYCDEP
Design for portable, lightweight gantry
Client: Hatch Mott MacDonald
Manufacturer: Nebraska Welding, LTD
Straddle Lift Capacity Assessment
Assessment of capacity for modified straddle lift
Client: Tapan Zee Constructors
Manufacturer: Job Provided
Rebar Gantry
Design structure for rebar installation in tunnel
Client: SuperExcavators
Manufacturer: Job Provided
Cross Passage Gantries
Design of gantries to facilitate mining while cross passages are excavated
Client: Obyashi
Manufacturer: Nebraska Welding
Gantry Crane Analysis
Evaluate and rate existing shop hoist
Client: Jones
2 Ton Trolley Beam
Design of free standing 2 ton trolley structure
Client: Nebraska Hoist & Crane