Ross Elrick's grieving relatives are now appealing to get his possessions back.
The latest phase will bring the total investment to over £10m.
The line, via Falkirk High, was closed after the Union Canal burst its banks on Wednesday, August 12.
The passenger hit the female inspector as the service pulled into Edinburgh Waverley.
The train operator records the second highest leap in satisfaction levels in the UK.
The incident happened between Falkirk High and Glasgow Queen Street railway stations on Monday afternoon.