The Client:

Great River Energy is a not-for-profit electric cooperative that generates and transmits electricity located in the outer-ring suburbs of the Twin Cities up to the Arrowhead region of Minnesota and down to the farmland region in the southwestern portion of the state.

The Client’s Needs:

Freeze Protection for Demineralized Water Process Control.

The Solution:

The RIDGLOK® vertical standing seam panel insulation system is an efficient thermal barrier, helping save money on utility costs of heating the tank. Insulate your storage tank with RIDGLOK®!

The Results:

Schedule: Despite the artic conditions, the crew was able to complete the project on schedule.

Challenges: The temperatures during this project averaged between 15°F and -30°F with high wind speeds.

Testimonial: Client reported they were satisfied with the workmanship, RIDGLOK® Insulation System and would recommend to others for future work.

Project Summary:

This RIDGLOK® Vertical Standing Seam Panel Insulation System was installed on a bolted tank for Great River Energy located in Jamestown, ND.

The tank was utilized to hold demineralized water for a power plant.

The tank was a 41.59’ diameter x 32.24’ high chimed bolted tank. The project was completed on 2/27/2015.

Additionally, 2 previous storage tanks were insulated with RIDGLOK® Vertical Standing Seam Insulation System in 2011 at this same facility.

Details of the Great River Energy project can be read about by clicking on this link:

https://greatriverenergy.com/efficiency-gains-mount-at-spiritwood-station/

The RIDGLOK® Insulated Panel System consisted of 0.024 stucco-embossed aluminum metal jacketing, in Fawn color laminated to 3” of polyisocyanurate insulation board (R-value of 20.3) on the shell and 2” of polyisocyanurate insulation board (R-value of 13.1) for the roof using a straight design roof system.