supply of building - construction material, hire charges of labour , jcb and tractor for annual maintenance of roads, gutters and footpath in dmc area for the year 2021-22 supply of building - construction material, hire charges of labour , jcb and tractor for annual maintenance of roads, gutters and footpath in dmc area for the year 2021-22 , works , demolition and disposal of unserviceable materials with all lead and lift.(i)lime concrete. , demolition of brick work and stone masonary including stacking of serviceable materials and disposal of unserviceable materials with all lead and lift.(i)lime mortar. , providing and laying cementconcrete 1:3:6 (1-cement : 3- coarse sand : 6- hand broken stone aggregates 40 mmnominal size) and curing complete excluding cost of formwork in (a) foundation and plinth (upto 10 ton) , providing tmt bar fe 415 reinforcement for r.c.c. work including bending, binding and placing in position complete upto floor two level (upto 10 ton) , supplying and fixing reinforced concrete heavy duty non-pressure pipes with collars for culverts carrying heavy traffic as per is 458-1991 specifications including setting the pipes in c.m. 1:2 watering and laying (to level or slopes) of class np3 offollowing internaldaimeters.(iii) 600mm dia. (upto 10 ton) , brick work using common burnt clay building bricks having crushing strength not less than 35 kg./sq.cm. in foundation and plinth in cement mortar 1:5. (1- cement : 5 -fine sand)(b)conventional (upto 10 ton) , providing and laying controlled cement concrete m.200 andcuring complete includingthe cost of formwork and reinforcement for reinforced concrete work in (c)slabs,landing,shelves,balconieslintels,beams, girdersandcantilever upto floor two level. (upto 10 ton) , providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (wmm) specification including premixing the material with water at omc in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of engineer-in-charge. , construction of granular sub-base by providing close graded material conforming to specifications, mixing in a mechanical mix plant at omc, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of engineer-in-charge. with material conforming to grade-i (size range 75 mm to 0.075 mm) having cbr value-30 , supply of unskilled labours , providing & supplying jcb on hire charges including cost of fuel, driver, operator , manpower etc. complete , providing & supplying tractor with trellor on hire charges including cost of fuel, driver, operator , manpower etc complete , providing and laying in position ready mixed m-300 grade concrete for reinforeced cement concrete work, using cement content as per approved design mix manufactured in fully automatic batching plant and transported to site of work in transit mixer for a lead up to kms having continuous agitated mixer, manufactured as per mix desing of specified grade for rainforced cement concrete work including puming of r.m.c. from transit mixer to site of laying, excluding the cost of centering and shuttering finishing and rainforcement including cost of admixtures in recommended proportions as per is: 9103 to accelerate / retard setting of concrete, improve workability without impairing strength and durability as per direction of engineer - in - charge. without fly ash (min cement level as per latest is 456 shall be maintained) (cement level 475 kg).