Rowhouse plumbing - much jack hammering needed

the plumber was on site today and we tackled the dreaded task of hammering through the frozen solid ancient river sediments.  Many existential questions were asked, such as, why am I doing this, don’t I have a dozen more urgent concerns than jacking this hideously tough rock?   At least we are making progress.  I need these basements done, and poured.  Soon. 

 

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a lot of hard work is invested in making these basements drain properly.   This needs to last decades with little to no maintenance. 

 The second basement gets its plumbing rough-in.  Contrast the amount of excavation required vs the downstream basement.  Three hours and it is basically done.

The second basement gets its plumbing rough-in.  Contrast the amount of excavation required vs the downstream basement.  Three hours and it is basically done.