[tevake]

I"M a little confused here. If the water is coming up thru the floor, won't cutting a long trench thru the floor let lots more water come up thru the trench?
The french drains I have seen at work help to drain away surface water.
Yours seems to be more a case of ground water rising up till the level is above that of your basement floor.

Lets play nice boys.

Cheers Richard