This Architectural Drawing is AutoCAD 2d drawing of Type 800 normal reinforced canal reinforcement in AutoCAD, Dwg files. In India different type of canal lining materials are commonly used namely brick, concrete tile, cement concrete, membrane etc. Irrigation Engineering Multiple Choice Questions on “Hard Surface or Rigid Linings”. 1. Which type of lining is applied under pressure? Clarification: The name given to this lining is to designate that the mortar is applied under pressure with the help of a nozzle on the surface of the canal. For more details and information download the drawing file.