So this is essentially *** massive electrical closet inside that box. It's sitting down right now through this fence on *** closed down Beacon Street. The chopper is refueling at Norwood airport. It will soon come back and that's next stop the top of the McCormick building. Only two helicopters in the country do this sort of work and it has to head out west to fight wildfires this summer. So there was *** fine window to get this done. Engineers tell us this is *** major operation with Cruz securing the cables to ensure safety. The chopper can lift £15,000 pieces and that's why it went in six stages to get *** generator to the top of one Ashburton place, couldn't do this via crane because you've seen Beacon Hill and know about the steep and narrow streets and what's underground as well. So the steel is in place to set it on. Engineers did *** structural analysis for this project that began back in 2020. They were careful. Even the historic statues at the statehouse got covered up to keep them safe from the wind and this chopper day drew curious crowds of onlookers on the common. I was like, whoa, what's happening? What's happening? And I in *** movie and I was kind of like really excited to see what was going on. So I ran closer. So we saw the helicopter lift up the pieces of the generator onto the top of the building. What was it like? It was very windy, not something you see every day you need clear skies to get this done. And finally that backup generator is secured on the roof on Beacon Hill, josh broken here, WCBB News Center five.