Our storage room, tornado shelter built by the previous owner has sprung a
leak during the last big rains.
There is seepage along the floor/wall edge that is farthest away from the
Unfortunately, the floor does not lean towards the sump hole.
At present, digging a trench along the outside wall to install drain pipes
is not in the budget
Therefore a way is needed to have the seepage drain into the sump hole.
So either the whole floor has to be sanded to slope it towards the sump
Or channels need to be cut in the floor to drain the water into the sump
Note that the channels must have a downslope in them towards the sumphole to
What is the best method that can easily cut such channels ?
Would there be a V-shaped bit that could be installed in a router to cut
such a groove ?