OTSG (Optimal Turnaround Service Group) Maintenance Turnaround Services Our turnaround team has successfully proven over the years to be the best, most organized and efficient team in our industry. Their attention to detail, dedication to achieve 100% customer satisfaction and persistent drive consistently provides customers with the most successful turnarounds. The OTSG team maintains an elite group of highly specialized and trained boilermakers, pipe fitters and welders to assure every turnaround maintains a level of quality surpassing the industry standard. Optimal’s "Turn Key Blind to Blind" Turnaround Services Include: • Project and Turnaround Management • Specialized Planning/Scheduling/Cost Control • Tray Tower and Vessel Repairs • Tray Tower Revamps • Reactor Internals • Turnaround Piping and Valves • Pipe and Alloy Welding • Furnace and Heater Repairs/Re-tubes • Heat Exchangers • Structural Installation • Boilermaker, Pipefitting and Welding • Best in Craft/Skilled/Trained Labor Optimal Specialty Service Group Tower Field Services • New/Replacement tray installation services of ALL tray types, structured and random packing • Blind, Open, Inspect, Clean, Repair, Close Services • Revamp and/or Modification to Trays, Packing and Tower Attachments • Turnaround, Shutdowns or Unplanned Emergency Tower Services • NBIC Code Welding Repairs, Nozzles Installations, Repairs and Replacement • Turnkey Tower Optimization Projects by coordinating tray, hardware and packing proposals from multiple tray vendors • Emergency Provision of Tower Internals when out of scope repairs are identified • Complete Mechanical Warranty on all above listed field services • Turnaround and Tower Revamp Field Constructability planning to ensure schedule is optimized