tender for repair and maintenance of checkdam - parkham gurjar, block chaumuha mathura ; 1 rendum rubble / khanda masonary in super structure with 1:4 cement course sand mortar with 20x20x20 to 25x25x25 size khanda in wing walls, crest wall, protection walls including supply of all material 2 cement concrete work in 1:2:4 with cement course sand and20 mm stone ballast oversurface of floor wing wall and crest wall including cost of material, labour and t&p 3 15 mm thick plaster in1:3 cement and course sand mortar on surface of up stream side crest wall, wing wall, and extension wall including supply of all material labour and t&petc. 4 raised / struck pointing with 1:2 cement and course sand mortar on surface ofwing wall crest wallsloppy wall etc. including supply of all material , labourand t&p 5 coursed rubble stone masonary on sloppy sides in 1:4 cement course sand and khanda / split / cut stone including supply of material 6 dry bolder of 40 to60 kg weight pitching / filling in launching apron 7 earthwork in excavation for making diversion channel 8 dewattering before starting the work and during the work 9 earthwork in excavation for making coffer dam including excavation of earth and making bund o prevent the structure from water during construction period in up stream side 10 dismenteling / removing earthen coffer dam after completing construction work of checkdam 11 filling of diversion channel 12 photographybeforestarting the work at site , time to time during constrution work and after comletion of work with dron camera 13 s / f of sign board