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Risk assessment on street EV

lyledunn

Referring to the RIsk Assessment C1 in the COP Electrical Vehicle Charging Equipment Installations which relates to EV charge points on street when TT systems are employed. Hitherto I have completed the assessment relating to similar installations for commercial/industrial settings without too much bother. However, I have noticed that in Step 1 and step 3 of the on street assessment, the wording is different. Step 1 raises caution of an open pen if the EV is within 2.5m of other metalwork connected to other earthing systems even if those earthing systems are themselves TT (or at least that is how I read it). Is this just an issue of contact or proximity  with underground conductive parts that might be considered connected to the PME system? Step 3 indicates an unsafe situation if it is possible to touch the EV and “faulty street furniture” 

So if I have any item of class 1 street furniture within simultaneous touch of the EV, irrespective of the earthing system to which it is connected, then the implication would seem to be that the installation should not proceed without further measures?

Any clarification would be appreciated.

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    Presumably when the designer does the design there is an assumption that the car driver will park correctly in the designated bay, however with on-street chargers attached to street lighting columns and the like they can end up on the footway so the designers allowances for separation between earthing systems are no longer applicable.

    This becomes even more of a problem as I am now frequently seeing people who don’t have an off-street parking space, so get as close as they can to their home then park and run a long extension lead out to the car to charge it, which may well be parked halfway over the footway or more within reach of a street lighting column or the like.

    At what point will there have to be strict enforcement of parking rules to keep cars in designated parking bays and bans on charging vehicles from homes without off-street parking with extension leads to keep vehicles on charge in separated earthing zones and to avoid trip hazards from trailing cables? 

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  • 0

    Presumably when the designer does the design there is an assumption that the car driver will park correctly in the designated bay, however with on-street chargers attached to street lighting columns and the like they can end up on the footway so the designers allowances for separation between earthing systems are no longer applicable.

    This becomes even more of a problem as I am now frequently seeing people who don’t have an off-street parking space, so get as close as they can to their home then park and run a long extension lead out to the car to charge it, which may well be parked halfway over the footway or more within reach of a street lighting column or the like.

    At what point will there have to be strict enforcement of parking rules to keep cars in designated parking bays and bans on charging vehicles from homes without off-street parking with extension leads to keep vehicles on charge in separated earthing zones and to avoid trip hazards from trailing cables? 

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