Service Performance Profile: TVA - Sequoyah Nuclear

Faced with an emergent need to replace a Reactor Coolant System primary check valve at the Sequoyah Nuclear Plant, TVA turned to Tri Tool to deliver quality services in an expedited time frame.

During a recent refueling outage, replacement was required of a critical 6" stainless-steel Reactor Coolant System primary check valve. The valve was approximately 24 inches long and 600 lbs. and was located in a tight, congested area. Special considerations were required as the valve and associated piping were very contaminated.

Safety Focus: Special Project Safety Considerations When Working with On-Site Service Personnel

Tri Tool Services prides themselves with rapid, reliable response to customers' on-site machining requirements. In certain instances however, OSHA safety requirements for personnel that operate portable (rotating) machine tools differ in significant ways from site specific safety plans and can cause unnecessary delays or prevent work from proceeding.

TECH TIP: Eliminating Flow-line Contamination When Thin-Wall Severing

For severing where cutting debris or contamination of the interior flow line is a concern, there is a method called "Blue Line" cutting that effectively turns any pipe (1) into a "thin wall" suitable for roller wheel separation.