Here is the description for the drain details . It is a channel or pipe carrying off surplus liquid, especially rainwater or liquid waste.
Construction detail dwg fi
Key plan detail dwg file
Staircase Construction Det
Sectional detail of athlet
Construction view with fin
Ground floor beam details
Septic tank design and det
Blind paving view with dif
Beam and stair section det
Column and Foundation sect
Details of a Joist Beam
Stair section detail and c