Not a surprise; a lot of their district heating (steam network) pipes date back to 1920s or earlier. Probably 100-200psig in the pipes. "Black Soot" I don't understand; that is not something that accumulates or flows in steam pipes; it may be dirt and fill entrained with the steam as it escaped to street-level. Asbestos is from the insulation.
It's not just NYC. All the old Northeast cities have crumbling infrastructure under their streets.
I always lol at the New Englanders who keep blocking new gas pipelines, "muh historic neighborhood" "muh construction noise" "muh bad for environment"
and then their prices are 4x national average
FUCK 'EM
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