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| Resurrection of a CFEI 100 KVA Induction Furnace |
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| Muzzerboy:
Ah, so the edge of the slab was under the soil (and the transient water table by the looks of it). With no DPC, that seems to explain the remaining ingress. Certainly, keeping the slab clear by means of a drainage trench sounds like a plan. Beers all around! :beer: |
| awemawson:
--- Quote from: vtsteam on December 21, 2020, 09:52:16 AM ---Eight man days......I think that was a sequoia. --- End quote --- No just Water Board employees ! Actually in fairness the main offending willow was surrounded by many smaller bits of scrub and smaller willows - all self seeded. Willow grows like a weed round here. Every year I get a neat little row of very short willow saplings growing in the gutters - easy to remove as they come out as a strip ready for planting - just pull one end and the rest follow ! |
| awemawson:
--- Quote from: Muzzerboy on December 21, 2020, 12:26:55 PM ---Ah, so the edge of the slab was under the soil (and the transient water table by the looks of it). With no DPC, that seems to explain the remaining ingress. Certainly, keeping the slab clear by means of a drainage trench sounds like a plan. Beers all around! :beer: --- End quote --- Long term I'd like to put a perforated land drain in a trench by the slab covered in pea shingle - not sure of levels - I need to get the laser level out and see where I have sufficient fall to get it to clear. |
| awemawson:
Major setback this morning. :bang: The entire foundry floor is covered in water - not puddles but like very heavy condensation. Now a bit has probably come under that side wall as it did the other day but I suspect that it's actually coming up through the concrete slab. I'll see if I can find any pictures of laying it, but I don't think that there is a membrane in it as it was originally intended as a yard. I know that there is a rubble filled soakaway under it that I put in to take water from a surface water 'Acco' drain channel that was originally outside the sliding door to the welding shop, but has ended up in the foundry (so takes no water). So what to do? I'll carry on and scrape the earth away from the side wall as I previously mentioned (but its too soggy today) but as for the floor the only two solutions that I can come up with are: A/ Break up the slab and re-lay it with a membrane (difficult as the walls rest on it) or B/ Lay a thick screed onto the existing slab but on a membrane (not ideal as no bond between them and there will be screed thickness steps at doorways of 50-75 mm) (or C/ Give up and take up stamp collecting !) argh . . argh . . . argh . . . argh Later Edit: Searching my photograph archive the jury is still out. Two relevant pictures, one showing the Acco drain pre-concrete and another that has some unlaid membrane in the vicinity but not laid so I'll have to excavate the side of the slab to be sure either way |
| mattinker:
Andrew, What a pain! Cheers, Matthew |
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