Separation of catenary wires

I am updating a garage submain for a customer. Its on a 35m overhead cable, supported by a broken catenary wire shared with the neighbour. My customer want's their own independent support wire. This means there will be two catenary wires running in parallel. I assume there is some risk of chafing in high winds if the wires are very close, how do I calculate a suitable separation distance. In terms of installation complexity the closer I can get them the easier it is for me.  

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  • Landlines are useful for calling your mobile when you can't find itRelaxed

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    We would be much more vulnerable than we were in WWII

  • Not sure why you think it is 'would be' ? In terms of what used to be called civil robustness, we really are more vulnerable, partly because of the loss of skills, and a general  lack of independence from external services  - having a coal or wood shed for fuel meant lighting up the fire for the back boiler was a total pain each morning and physically demanding, but no electricity needed to raise hot water or cook.  No refrigeration meant more frequent shopping trips, but again no power dependence. Most folk did not have a phone at all of course, and during the war the use of ham radio equipment was restricted, but some were recruited to be voluntary interceptors.
    Equally the next war does not look like the last.
    M.

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  • Not sure why you think it is 'would be' ? In terms of what used to be called civil robustness, we really are more vulnerable, partly because of the loss of skills, and a general  lack of independence from external services  - having a coal or wood shed for fuel meant lighting up the fire for the back boiler was a total pain each morning and physically demanding, but no electricity needed to raise hot water or cook.  No refrigeration meant more frequent shopping trips, but again no power dependence. Most folk did not have a phone at all of course, and during the war the use of ham radio equipment was restricted, but some were recruited to be voluntary interceptors.
    Equally the next war does not look like the last.
    M.

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