In bed for Trapezoidal Section Only Brick lining 7.5cm thick in 1:3 cement sand mortar over 12.5 mm thick base plaster 1:5 over dressed sub- grade including laying, trenching and jointing of low density polyethylene. On Side Slopes
In bed for Trapezoidal Section Only Brick lining 7.5cm thick in 1:3 cement sand mortar over 12.5 mm thick base plaster 1:5 over dressed sub- grade including laying, trenching and jointing of low density polyethylene. On Side Slopes