Critical infrastructure upgrades to enhance refinery

Trainer, PA May–December 2018

Pre Turnaround mechanical work scope includes installation of approximately 6,000 feet of Cooling Water Supply and Return carbon steel piping circuits that feed refinery Crude, Kero and Diesel units. Pipe sizes range from 1”NPS to 36”NPS and travel on a network of structural steel racks, supports as well as underground. Riggs scope also includes setting [3] 1250 HP vertical centrifugal pumps and all pumps, equipment and piping to accommodate a new chemical treatment pad for the cooling tower.

This work leads to a refinery-wide fall Turnaround where Riggs scope continues in a compressed window of time to make final piping and utility tie-ins to existing equipment and piping systems. There are hundreds of piping spools and approximately [125] welded/bolted Tie-Ins that must be complete in a [25] day window in order to bring the plant back online. On the QA/QC front, Riggs is responsible for providing all required NDE/testing as governed by ASME Sect. IX, B31.3. Riggs Project Controls developed a sophisticated schedule in P6 consisting of [1000+] activities to ensure every detail of the project can be planned, evaluated, adjusted and communicated to the client as well as internally. This allows for a proactive approach to project management where Riggs can forecast accurately, note trends, monitor production and cash position, and adapt to changing conditions in a seamless manner.

Challenges Overcome

Synchronizing constructability reviews, execution strategy development and solicitation of 3rd party vendors/subcontractors for project support services. The Turnaround environment is one of a fast-paced, compressed window of time allotted to safely execute the work.

Results Delivered

The Riggs Mechanical team collectively pulled together and utilized internal resources based on relevant skillsets to contribute as required during the bid conditioning, pre-planning and the project execution phase.

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