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Old design to 17th Edition updated to 18th - query on responsibilities

me1899
Hi All


Slightly convoluted question:


1. A design and build job originally designed to Stage 3 level detail during 17th edition times (2017)


2. Updated by consultant to Stage 4 detail mid 2019, still design and build, but not updated in line with 18th edition (presumably erroneous thinking on the part of the consultant that because the job was to the 17th and the stage 4 was not considered a major redesign from first principles, then it did not need updating)


3. Job being installed now in 2020.


4. Given that the contractor has taken on design responsibility, are they right to try and claim additional costs for redesigning in line with the 18th edition? Or would they be expected to have noted and included for this seeing as they were appointed late 2019? 


I think personally that it would be argued the contractor should have picked this up and flagged in their pricing that they would need to update the design to the 18th.


What do others think?




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  • 0
    I'm not sure what's involved in these (BSRIA?) design stages, but a long as the BS 7671 designs was started before the new regs came into force, then I believe that from a BS 7671 perspective it's perfectly valid to continue with that earlier version of the regulations through installation and I&T. I would imagine that any minor modifications to the original design (that would end up on the same certificate as the original) could similarly remain under the previous version.


    Some large projects take decades to complete - and given the rate the regulations change it would be an impossible task to keep re-designing every time.


    Of course the customer might not be happy with a brand new installation that would fail to meet current standards even on the day it was commissioned - but that would be a matter of contract rather than regulation.


        - Andy.
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  • 0
    I'm not sure what's involved in these (BSRIA?) design stages, but a long as the BS 7671 designs was started before the new regs came into force, then I believe that from a BS 7671 perspective it's perfectly valid to continue with that earlier version of the regulations through installation and I&T. I would imagine that any minor modifications to the original design (that would end up on the same certificate as the original) could similarly remain under the previous version.


    Some large projects take decades to complete - and given the rate the regulations change it would be an impossible task to keep re-designing every time.


    Of course the customer might not be happy with a brand new installation that would fail to meet current standards even on the day it was commissioned - but that would be a matter of contract rather than regulation.


        - Andy.
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