Auto generate data in multiple cells

Hi there!

I have a sheet that is large and full of formulas that I would rather not have to mess around with (please find attached) I basically need to insert a "running cost" and "final invoice" column, after every "Yard" column across every sheet (so 20ish new columns across 30 sheets) with the running cost columns having the same info entered into the corresponding cells in the individual yard colums (ie yard 01- R10 will be automatically copied into Running Cost 01 S10 and so forth)

Is there a quick way of doing this, or will I just have to take it sheet by sheet?

Many thanks in advance for any help you guys can give!