Calculated ASD=required ASD (for given conditions)=physical distance that will be used.
Hence if the Take Off Run Available (physical tarmac available) exceeds the required ASD then only the relevant RVRs need be taken into account, i.e. if well airborne by stop-end (in the case of TORA>>calculated ASD), stop-end is irrelevant.
The 125m case can now include pilot assessment if the touch-down RVR is missing - according to newly issued Jeppesen 600 pages.