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BS7671 Amendment 2 transition period on existing projects

Matt Jarvis

My question relates to the latest amendment to the wiring regulations; BS7671:2018:A2:2022 and the transition period on live projects.

I am currently working on multiple large residential projects that have been designed upto Stage 3 and tendered, but will not commence on-site until after the 27/09/22 which is the withdrawal date of AMD 1. The new regulations state that electrical installation commencing after the withdrawal date (27/09/22) must comply with AMD 2. 

We now have an issue of the developer coming back to us shouting about additional costs  due to the addition of AFDDs, which are required as part of AMD 2 but only 'recommended' as part of AMD 1, so have not been included in the original design. 

Has anyone had any issues with this on their projects? As the design is complete and tendered can we not install to AMD 1?

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    BS 7671 applies to the "design, erection and verification of electrical installations" so if the design has started then the work has started - and logically everything else must follow from the design. It make no sense to design to one version and install or verify to another, nor to demand a design or even installation is re-done if everything hasn't been completed before a new version is released (for very big projects it would be impossible to complete!). Older editions had much clearer wording that the cut-off dates referred to the start of the design, but as Graham says, contractual terms can trump that. There are plenty of precedents for referring to withdrawn versions of BS 7671 - just look at the Electricity Safety Quality and Continuity Regulations  or the The Electrical Safety Standards in the Private Rented Sector (England) Regulations.

      - Andy.

  • 0 in reply to AJJewsbury
    AJJewsbury said:
    There are plenty of precedents for referring to withdrawn versions of BS 7671 - just look at the Electricity Safety Quality and Continuity Regulations  or the The Electrical Safety Standards in the Private Rented Sector (England) Regulations

    Can't confuse this with what legislation states, it's a wholly different kettle of fish. There are reasons the legislation has to refer to dated versions of standards, but it doesn't mean that you could get away with using the earlier version, and a contract may require you to use a later version in any case.

    This thread is in respect of a contractual issue plain and simple

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  • 0 in reply to AJJewsbury
    AJJewsbury said:
    There are plenty of precedents for referring to withdrawn versions of BS 7671 - just look at the Electricity Safety Quality and Continuity Regulations  or the The Electrical Safety Standards in the Private Rented Sector (England) Regulations

    Can't confuse this with what legislation states, it's a wholly different kettle of fish. There are reasons the legislation has to refer to dated versions of standards, but it doesn't mean that you could get away with using the earlier version, and a contract may require you to use a later version in any case.

    This thread is in respect of a contractual issue plain and simple

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