Here is the description for the drain details . It is a channel or pipe carrying off surplus liquid, especially rainwater or liquid waste.
Section detail of Compound
Stair elevation detail dwg
King post joint section de
Joint detail dwg file
Construction detail layout
Paving construction projec
Ramp details
Details of a Joist Beam
The drainage line drawing
Wall section view detail d
Facades detail dwg file
Stair design steel CAD fil
