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300 year old house foundations, footings, dpc and floor level

  • 19-06-2020 3:14pm
    #1
    ditpaintball
    Registered Users, Registered Users 2 Posts: 993 ✭✭✭


    This post is both a question and it might be help to others who are wondering about the foundations to an old house.

    I am currently digging away soil from an old house to try and try it out. As you can see from the attached photo, the soil brown level was well up on the walls, and there are no gutters here yet to this area was soaking.

    The internal floor level was also brought up about 50 years ago to keep out the water (instead of digging down outside)

    My question is... how far to you go. I stopped when I hit this slate line and these larger rocks. I was assuming that the slate could be some old version of a DPC.... or just a part of getting a level course?

    Would this level have been the ordinal floor level of these old houses? It is a rubble basement building with red brick 1st and second story.


Comments

  • #2
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 14,012 ✭✭✭✭Cuddlesworth


    Slate is the original damp proof course(which the earth would have been breaching badly).

    That rock on the ground looks like a path, so I assume that would have been the original ground level.


  • #3
    ditpaintball
    Registered Users, Registered Users 2 Posts: 993 ✭✭✭ditpaintball


    Cuddlesworth wrote: »
    Slate is the original damp proof course(which the earth would have been breaching badly).

    That rock on the ground looks like a path, so I assume that would have been the original ground level.

    That rock sticking out seems to be on the same level as an slate channel / drain on the other side of the house. So I am assuming that back in the day, they have the sense to put their drainage under their DPC.

    I am pretty much at my lowest level for drainage to a 6 inch away, so can't go much deeper. I would be curious to know how deep the foundations go.


  • #4
    arctictree
    Registered Users, Registered Users 2 Posts: 4,364 ✭✭✭arctictree


    We just removed a circa 250 year old house/ruin from a site. The foundations were just like the ones in your pic. Big boulders set into the ground with smaller flat stones on top.


  • #5
    ditpaintball
    Registered Users, Registered Users 2 Posts: 993 ✭✭✭ditpaintball


    arctictree wrote: »
    We just removed a circa 250 year old house/ruin from a site. The foundations were just like the ones in your pic. Big boulders set into the ground with smaller flat stones on top.

    Did you did right down and under?

    The bigger ones in my photo are likely to be the bottom ones then?


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