Erection & Demolition

Erection & Demolition Engineering

Erection and Demolition Planning is our specialty.  Steamboat Structures LLC applies our construction experience and bridge engineering knowledge to create clear, efficient and cost-effective bridge erection, dismantling and heavy lift solutions.  We are experienced in the erection and demolition analysis and planning for cast-in-place, precast, and post-tensioned concrete bridges as well as steel girder and truss bridges.

Erection Manual Development. 

Erection Plans utilizing conventional cranes, barge mounted crawler cranes, trolley systems, overhead launching, strand jack lifting and lowering, roll-in and roll-out methods, and pushing and pulling utilizing jacks or yoking systems

Barge stability analysis, water based lift plans

Bridge jacking plans

Analysis and evaluation of structural members during lifting operations

Curved girder erection stability

Lifting stress analysis of steel and concrete members

Precast girder lateral Stability

Girder bracing design

Coordination with equipment suppliers

Verification of erection equipment capacities

Demolition Plan Development

Incremental Staged Demolition Analysis

Deck Removal Plans

Partial Bridge Dismantling Deck Removal Plans 

Erection & Demolition plans for Railroads or around Railroad Property

Rebar Cage lift plans for hoisting, tripping

Rigging plan design.  Design of crane rigging and other lifting devices such as spreader bars, passing triangles, etc.

Steel and timber outrigger pad design

Critical lift plans

Integrated working drawings

Troubleshooting, investigation of field problems, and repair methods

Peer reviews