01-31-2017, 06:33 PM
Those definitely are temporary structures (can easily be disassembled and used elsewhere).
As others have said, it will be a warming tent; it will be wrapped in tarps and surrounded by heaters, so its internal temperature can be kept above freezing while a concrete pour cures. The pour should be for the embedding of the track between the platforms.
As others have said, it will be a warming tent; it will be wrapped in tarps and surrounded by heaters, so its internal temperature can be kept above freezing while a concrete pour cures. The pour should be for the embedding of the track between the platforms.