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Installation (domestic) without Service Head

Martyn
Canvassing opinion...


We have an Installation without its own service head fed from a 50s/60s ryefied/MSDB style unit.


The Ryefield/MSDB is inturn fed from a 200A Tp&n supply head belonging to DNO. No visible issues other than supply to MSDB being unsheathed.


The MSDB has no key or tool to open, has direct access to 70mm lugged cables with door closed. 


With door open for fuse access there are no barriers, all removed and lost. 


Service cables are single insulated, tails to meters insulated & sheathed direct in to this unit. 


EICR for one of the supplied flats, does it pass or fail?
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  • 0
    In relation to the MSDB, the DNO (UKPN) have stated it is not their equipment and is owned by the building as part of the building distribution. 


    The meter operator EON state it is not theirs either. 


    This is all fairly normal though. 


    The flat owners are the building owners all leasehold flats with share of the freehold and an overarching Ltd to deal with shared duties, to which they are all directors, again all fairly normal. 


    Whilst they may not be aware they have BNO duties to prevent abstraction etc.


    In any normal domestic install we assess the entire install from the intake, BS7671 starting at the load side of the head. 


    In a normal domestic this would definitely fail with exposed live conductors etc 


    How do we differentiate where there is a BNO without individual service heads per the EDS? 


    Meter operators require a safe form of isolation usually afforded either by standard or red heads Just prior to their meters. 


    Given in such situations Flats may be tenanted, could a coroner/court successfully argue that because a tenant requires access to read their meter and have use of the isolator In emergencies this area and relevant equipment is demise of the dwelling premises Under the PRS legislation? 


    Cheers


Reply
  • 0
    In relation to the MSDB, the DNO (UKPN) have stated it is not their equipment and is owned by the building as part of the building distribution. 


    The meter operator EON state it is not theirs either. 


    This is all fairly normal though. 


    The flat owners are the building owners all leasehold flats with share of the freehold and an overarching Ltd to deal with shared duties, to which they are all directors, again all fairly normal. 


    Whilst they may not be aware they have BNO duties to prevent abstraction etc.


    In any normal domestic install we assess the entire install from the intake, BS7671 starting at the load side of the head. 


    In a normal domestic this would definitely fail with exposed live conductors etc 


    How do we differentiate where there is a BNO without individual service heads per the EDS? 


    Meter operators require a safe form of isolation usually afforded either by standard or red heads Just prior to their meters. 


    Given in such situations Flats may be tenanted, could a coroner/court successfully argue that because a tenant requires access to read their meter and have use of the isolator In emergencies this area and relevant equipment is demise of the dwelling premises Under the PRS legislation? 


    Cheers


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