Tuesday 26 March 2013

Day 27 - pre-slab

All cleaned up and almost ready for a slab - a number of piers on the plan are missing, and holes have been dug to replace two of them, but the piers under the garage wall are just missing, with no visible sign that they will be replaced.
All in all, starting to look better - looking like a house base rather than just pipes in dirt - cant wait till I see concrete!


The above is a hole where one on the missing piers (tops) was, the idea here is to pour the concrete deeper to where the pier base is.  I am unsure of what the medium term effect will be, whether this will cause a instability due to concrete shrinkage occurring at different rates due to the different concrete masses
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3 comments:

  1. Tony G27 March 2013 at 08:16

    What was CG's response to the missing piers? Surely they can't pour a slab if some of the piers are missing, and are required by the soil engineering? I would have thought if the piers are on the plan, and as part of the contract, they can't leave them out !?

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    1. Carter Grange Radisson27 March 2013 at 21:09

      Simply that the piers are over 2m deep and the tips lost only 350mm. The solution apparently is to fill the missing piers with concrete put some plastic on top, and then pour the slab.
      Their licensed inspector was overseeing the operation so it is probably ok - he seemed very active and instructive on one of my visits today

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  2. Tony G28 March 2013 at 08:09

    Thanks for the info - sounds like it's under control. I was imagining a whole pier missing !

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