Here is this autocad dwg file the is the plan of an ecological roof with full details.
Foundation plan with colum
Construction detail layout
Spherical valve with drain
Details of a slab connecti
Home pool foundation plan
Staircase design and secti
Stairway construction dra
Constructive Section plan
Civil layout plan dwg file
light slab plan
Gypsum board,ply plaster d
L section AutoCAD file