Challenge: An existing passenger elevator in the Coker unit of a local refinery is becoming increasingly unreliable due to age and limited availability of replacement parts. A new elevator is to be installed at the unit. Consideration is given to limit impact to...

Challenge: A local refinery is replacing a converter located in its Acid Plant Unit. The new converter is to be placed on the existing mat foundation. A new steel grillage support system is required to mate the vessel to the foundation due to the concave bottom of the...

Challenge: A high pressure vessel was found to have local erosion next to an inlet tee reinforcement and next to a weld between a channel and a tubesheet. Our client wanted to know if they can continue operation under the extant conditions without posing an imminent...

Challenge: To design a new bridge to crossover a pipeway capable of supporting a large drilling rig. The bridge is within the facility of an oil refinery site; and only a single lane roadway is required. Design of the bridge shall meet requirements of AASHTO and...

Challenge: An offshore platform is required an overall reassessment by our client. The structural integrity of the existing platform is evaluated under the current equipment weight, the environmental loads, and seismic loads. Other evaluations such as pushover...

Challenge: In the process of verifying an offshore platform for a crane replacement, it was required to consider the significant deformation of several 11' deep plate girders caused by an incident thirty years ago. The plate girders are deformed to the extent that the...

Challenge: Our client required a fragility assessment of an existing Selenium Removal System which consists of seven tanks each mounted on its own independent support structure. The purpose of the analysis was to investigate whether the seven tanks and their...

Challenge: A large integral gas compressor onboard a drilling platform in the Cook Inlet was experiencing excessive vibration issues which prevented further use. Our purpose was to investigate the root cause of excessive vibration and determine a solution to mitigate...

Challenge: Existing piping will be subjected to hydro-testing to ensure the piping continues to operate in a safe manner. The piping runs across the bridge. A consultant evaluated the bridge for the additional loading. HEA was tasked to perform an unbiased technical...

Challenge: The amount of hoses running along the floor of an oil blending facility posed serious tripping hazards. It was also an operations nightmare to change hoses as it could take over an hour to trace and remove these very long and heavy hoses. The facility...