A new multi-storey building was built in the city. The firefighters arrived to connect. They cooked everything, let go of gas. There is no gas in the house. We checked all the valves, connections, shutters - everything is fine, but there is no gas. We decided that the problem was at the site of the crash, excavated, checked - there are no problems, but there is no gas.
As a result, it turned out that during the installation of the foundation, a piece of the pipe fell into the boiler, did not remove the steel, was sinked. I got the gas and connected...