Here is an autocad dwg file for Details of a wooden roof . there are the details of how a wooden roof is constructed with its elevational details.
Module of staircase detail
Over Head Water Tank Eleva
Staircase section structur
Detail smoke extraction dw
Beam to column connection
Wall section detail dwg fi
Beam section plan detail d
Motor plan and section pla
Foundation plan detail dwg
Typical dry wall grid layo
Constructive and auto-cad
Dwg file of construction