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...
by GeorgeWebManHopperE | Mar 26, 2021 | Heavy Load Handling
HEA designed an adjustable spreader to be used with a shipyard’s 300-ton cranes. The spreader employs a self-contained ratcheting system, which allows easy adjustments to accommodate different-sized loads. The spreaders are in service, where they have proven...
by GeorgeWebManHopperE | Mar 26, 2021 | Manufacturing
To protect critical nuclear structures and equipment from malevolent vehicle explosions, HEA was asked to evaluate the overpressure capacities of critical structures and equipment. A barrier system capable of stopping an assault vehicle was designed. Minimum standoff...
