A piece of brilliant engineering took place on the fourth and fifth floors of the Salt Lake Temple during its extensive renovation temple this year. Around 200,000 pounds of steel beams were temporarily installed to shore up the walls of the structure. Fifty-thousand-ton jacks along with a hydraulic manifold system were installed on the beams. The weight bearing on the pioneer temple walls was transferred to this steel system while retrofitting of the seismic upgrade took place on the floors below. Watch how this amazing feat was pulled off.

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