Cooling Unit Gantry

Design and delivery of cooling unit gantries

Client: Nebraska Hoist & Crane

Manufacturer: Nebraska Welding

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

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

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