I just posted a picture in the gallery of the pit. Thank you for all your input.

Ken, I like the option but there is no way the customer will go for it. $$$

Silly, I remember we used bentonite powder as an oil absorbent back when I worked in the pyramids.

Uppo, thanks mate... The outside wall of the shaft is on the front of the building. There is a mulch bed with two AC coils surrounded by side walks.

Dan, the sees product is using gutters and weep holes. The gutters look like flashing caulked to the floor and wall.

Rollaway, I'll look up the product you are suggesting.

I'm researching another product as well. It's a bit of "thinking outside the box". So I'll let you all know just how bad the idea was later...

Almost forgot to mention this! This has been an on going water problem. I've had no help from their x-inspector in conveying the ramifications of not addressing the issue. Now we have to run a new line to the pistons. And we may have to replace the jack assemblies as well.