reconstruction of aqueduct trough from km. 3.040 to km. 3.600 of dihi dy. - dismantling of old & damaged reinforced cement concrete including removing and stacking of refuse as per directed by engineer in charge. 2 c.r.stone masonry in 1:3 cement sand mortar including cost of all material labor and t&p etc. 3 centering and shuttering for concrete work including cost of all materials, labour and t&p etc. required for proper completion of work as per direction of engineer in - charge. 4 steel reinforcement in slab bed and wall including cutting bending, binding and placing in proper position including cost of steel, binding wire, labour and t&p etc. 5 laying r.c.c. 1:1:2 (m-30) with cement, coarse sand, stone grit 4.75 to 20 mm in size including cost of all materials, labour, t&p etc. required for proper completion of work as per direction of engineer in charge. 6 p/l 22 gauge copper seal including of all materials, labour t&p etc. required for proper completion of work as per direction of engineer in - charge. 7 p/l water stop pvc seal including cost of all materials, labour t&p etc. required for proper completion of work as per direction of engineer in - charge. 8 p/l 24mm acrylic sheet including cost of all materials, labour t&p etc. required for proper completion of work as per direction of engineer in - charge.