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EV Charging in Car Park

Hi All,

We are looking at installing a number of  EV chargers in a 2 storey car park. The chargers will be located on the ground floor around the perimeter within the building footprint.

The car park is not enclosed and is exposed to the elements as shown in the picture, so the question is can we still connect direct to a PME supply as it is indoors or would you recommend we do a calculation to satisfy 722.411.4.1 (ii) using the embedded structural steel work as the earth electrode?

Parents
  • Mark,

    It may not be your responsibility, but I would hope that the Architect building desiner and the person responsible for the fire risk assessmnet has looked at the RC59 publication as it has a number of points regarding location/design/operation of EVSE, so for example it states that:

    There are far more items to consider, but as I say may not be under your design remit, but if you are responsible for the electrical installation design only, you may wish to clarify with others that they intended location is ok and been checked by others.

    I believe RC59 is not a code of practice, but fire risk assessors and main insurance companies will likley refer to it.

    Cheers GTB

  • Hi GTB,

    Yes, we always advise the clients regarding this publication and that they must have a fire risk assessment carried out by a trained and competent person to highlight any additional works required with regards to fire alarm, fire suppression, smoke extract etc. 

    We have already had a number of installations not progress on the back of the fire assessment carried out on our advice as the works involved with improvements recommended would have cost too much and the clients didn't want to go ahead with it.

    Until it becomes a code of practice or BS, then unfortunately a number our competitors wont even mention it and just plough ahead, but we feel its the correct way forward.

    Regards Mark

Reply
  • Hi GTB,

    Yes, we always advise the clients regarding this publication and that they must have a fire risk assessment carried out by a trained and competent person to highlight any additional works required with regards to fire alarm, fire suppression, smoke extract etc. 

    We have already had a number of installations not progress on the back of the fire assessment carried out on our advice as the works involved with improvements recommended would have cost too much and the clients didn't want to go ahead with it.

    Until it becomes a code of practice or BS, then unfortunately a number our competitors wont even mention it and just plough ahead, but we feel its the correct way forward.

    Regards Mark

Children
  • Mark,

    Thanks for confirming and totally agree with you, many EVSE installers are just doing what the client wants without mentioning fire risk needs looked at. So good to read the approach you take, even if it means potential work does not go ahead.

    Regards GTB