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Raising floor of shed, anyone done it?

User
8 years ago
last modified: 8 years ago

I wish we had torn down this shed when we first moved here and there were little or no city permits. But now we have a gung ho city council and we have no choice but to repair this shed. If we tore it down now, we wouldn't be allowed to build it in this spot, and we really have no other place to put it. And the permits are expensive now and we'd have to move electrical to the new spot which would be even more expensive. We can't live with it like this any longer, so we have to repair.

Below is a drawing showing the location of the shed behind our garage. The land slopes from the neighbor's yard right behind the shed.

Another odd thing, and another reason I wish we had torn it down from the first, is that the concrete foundation has an upper level and a lower level - about a 4" step down. But it's just one room in the shed and the ceiling is the same from front to back. The only thing we can figure is that the previous owners stored things that couldn't get wet in the upper section and dirty garden stuff in the lower section so they could power wash the floor.

But as I tried to show in the drawing, water can get into the lower section. When it rains heavily, water comes down the hill from all the upper neighbors and runs between the shed and garage, and into the lower section of the shed. And this spring, it has rained almost daily for the last 3 or 4 weeks, so it is really bad in the shed. We have a French drain between the us and the neighbor's fence, but when there is a heavy rain, it doesn't always divert all the water. And for the last two weeks, that side of our yard has had standing water so there is no where for the French drain to dump it. Better than a neighbor lower than us whose leach field has standing water on it, but still a nuisance.

Also, our riding lawnmower bit the dust this week, and it barely fit through the doors. The one we want to buy won't go through the doors at all.

So our plan is to A) retrench the French drain, making it deeper and wider, B) lift the walls on the lower section so we can take off 4 inches of the studs and bottom plate, C) pour concrete there to make the concrete even across the whole shed and higher than ground level, and D) move the doors to the long side of the shed so we can make them big enough to get the new mower in.

If you have done this, or something similar, do you have any tips?

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