Single layer brick lining 75 mm thick for irrigation channels (Distributaries and minors) cup and trapezoidal section for all depths consisting of:- First layer 12.5mm thick cement plaster 1:5 on sub grade and finished, Second layer of 10mm thick cement plaster 1:3 properly rendered and finished, 75mm thick bricks laid in 1:3 cement sand mortar over second layer. (In side slope for all section)