Internal brick pier... do I need to add dpc in the pier?

15 May 2013
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United Kingdom
Im building a brick pier internally on a single skin wall. Do I need to add a small piece of dpc in the pier when it gets upto the height of the exsisting dpc?

This is a 7m long single skin wall that im adding strength too hence the pier. there is no cavity. Lots of tanking slurry inside though.

Thanks for any pointers
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Should I attempt to attach/tape it to the exsisting dpc?

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Is the wall is soaking below dpc indicating high ground water and pressure then perhaps yes lap or seal the joint. If not no need, turn the new piece up the wall a few inches.

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