Here the Invested roof drawing design with detailed plan in this autocad dwg file.
Roof construction details
Details of Beam and Vault
Concrete Structure of Hosp
Construction plan of offic
Irrigation canal section p
Lean concrete and pile cap
Wall section view of house
Roof plan and section deta
Chimney plan and section l
Detail of the insert plate
Details of a Flat roof
Nave industrial plant cons