by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
A cantilevered steel rail with a unique support configuration and an atypical cross section required a more detailed analysis regime than provided by the ASME code. HEA developed a detailed, non-linear computer model of the crane rail and subjected it to simulated...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
HEA performed a 3rd party review of the design calculations for the support of a crane to be installed inside a nuclear power plant containment building. The review indicated that the lower base plate did not distribute the load evenly to the anchor bolts, causing...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
A platform crane boom collapsed during a routine lift. HEA attributed the failure to the collapse of the dual mast members, causing the lattice boom to sequentially collapse. HEA performed further inspections, which revealed corrosion related deterioration in a few...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
A refinery FCC unit was to be demolished. HEA worked with the contractor to develop a suitable lift plan. This work included designing a suitable mat for crane operation, overturning calculations, lifting lug design and a structural analysis to identify suitable...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
It was necessary to lift a new precipitator onto its support structure. The challenges involved included finding the center of gravity of each precipitator module, locating the lug attachment points, creating a lift schedule (which included rotation of certain...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
HEA performed a feasibility study and concluded the purchase of a new diesel crane was preferable to electrification of the existing crane. HEA developed the crane design specifications. HEA also designed the pedestal base frame and evaluated the existing pier slab...
