Brick lining 75 mm thick in 1:3 cement, sand mortar over LDPE over dressed sub-grade with 15 mm thick sand cushion in bed for trapezoidal section only including, laying trenching and jointing of LDPE, In bed
Brick lining 75 mm thick in 1:3 cement, sand mortar over LDPE over dressed sub-grade with 15 mm thick sand cushion in bed for trapezoidal section only including, laying trenching and jointing of LDPE, In bed