Building A Shed Under A Deck. Clean out the entire area. This stage took a long time and a bunch of thought.
Angle the steel base plate so it rests on the deck block similar to picture 4. Smooth the concrete and remove any mess. Increase the thickness of the spacers to create slope.
Clean out the entire area.
You might find this video. I have ever been afraid to show our in progress photos. How to build a shed under a deck with pictures ehow how to build a shed under a deck. Here you can see the underside and the gradual slope for rain runoff.