Masonry fence defining an semi-buried outbuilding at the bottom of a plot : room/workshop and cellar. Cast in place concrete tanking, concrete slab, galvanised half porticos frames, corugated galvanised steel roof and ceiling, woodwool insulation, Monomur brick walls, galvanised steel windows frames composed of 5 fixed glass, 2 « à la française » doors and 2 projection windows. Sanded concrete, monomur walls, birch plywood, galvanised steel and glass.