![A big job for a small area](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168374-5a5fca7728e27_img2366.jpg?v=1516226934)
A big job for a small area
The homeowner wanted to enlarge an existing space, that was small, dirty and humid
![Excavation](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168375-5a5fca6d25a75_img2367.jpg?v=1516226934)
Excavation
We excavated as much as possible without disturbing the structure of the building and installed reinforced footings .
![In the process of building the walls](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168376-5a5fca7a93f05_img2369.jpg?v=1516226934)
In the process of building the walls
A tight fit
![Before](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168377-5a5fca6357a4e_img2371.jpg?v=1516226934)
Before
It was a small area and we were dealing with a lot of humidity
![Fuel Tank](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168378-5a5fca66d1bea_img2372.jpg?v=1516226934)
Fuel Tank
For an area like this, it's hard to give all the information in pictures. In the room we enlarged, there were 2 fuel tanks and plywood retaining walls. It was dirty, very humid and confined. A third fuel tank was in the lower section.
![Wall Progress](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168379-5a5fca7028538_img2484.jpg?v=1516226934)
Wall Progress
We then constructed the masonry retaining walls and reinforced them with rebar / filled solid, creating the upper room. We back filled the walls with a cement mixture to prevent settlement. After the walls were up we installed our WaterGuard product around the entire perimeter (upper and lower) with a vapor barrier and drainage matting. A SuperSump with UltraSump were installed in the same location as the existing pump (a second pump was abandoned). We then poured the floors. After the slabs were poured for a couple of days we installed the SaniDry Sedona and drained it into the pit.
![Wall Result](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168380-5a5fca72e30f7_img2485.jpg?v=1516226934)
Wall Result
We then constructed the masonry retaining walls and reinforced them with rebar / filled solid, creating the upper room. We back filled the walls with a cement mixture to prevent settlement. After the walls were up we installed our WaterGuard product around the entire perimeter (upper and lower) with a vapor barrier and drainage matting. A SuperSump with UltraSump were installed in the same location as the existing pump (a second pump was abandoned). We then poured the floors. After the slabs were poured for a couple of days we installed the SaniDry Sedona and drained it into the pit.
![Final Result](https://cdn.treehouseinternetgroup.com/uploads/photo_gallery/medium/168381-5a5fca6a15861_img2487.jpg?v=1516226934)
Final Result
We then constructed the masonry retaining walls and reinforced them with rebar / filled solid, creating the upper room. We back filled the walls with a cement mixture to prevent settlement. After the walls were up we installed our WaterGuard product around the entire perimeter (upper and lower) with a vapor barrier and drainage matting. A SuperSump with UltraSump were installed in the same location as the existing pump (a second pump was abandoned). We then poured the floors. After the slabs were poured for a couple of days we installed the SaniDry Sedona and drained it into the pit.