Here is the description for the drain details . It is a channel or pipe carrying off surplus liquid, especially rainwater or liquid waste.
Shutter box view with fixi
Building Construction deta
Stair simple view with con
Foundation plan and sectio
Secondary beam detail dwg
Staircase constructive det
Plan and section stair det
Detail of lightweight slab
Window detail drawing spe
Parking area of the detail
Roof plan of second level
Roof plan detail with roof