Annual Rate Contract For Construction And Repair Of Cc Road In Ward 46 To 60 Various Places In City Nagaur - Dismantling of flexible pavements and disposal of dismantledmaterials up to a lead of 50 metres as directed by Enginee Bituminous courses 2 Dismantling of flexible pavements and disposal of dismantledmaterials up to a lead of 50 metres as directed by Engineer Granular courses 3 Dismantling of existing structures like culverts, bridges, retainingwalls, CC road and other structure comprising of masonry, cementconcrete, wood work, steel work, including T&P and scaffoldingwherever necessary, sorting the dismantled material, disposal ofunserviceable material and stacking the serviceab Cement Concrete Grade M-15 and above and PCC blocks 4 Dismantling of existing structures like culverts, bridges, retainingwalls, CC road and other structure comprising of masonry, cementconcrete, wood work, steel work, including T&P and scaffoldingwherever necessary, sorting the dismantled material, disposal ofunserviceable material and stacking the serviceabLime Concrete, cement concrete grade M-10 (1:5:10) and below 5 Earth work in excavation for roadway, including trimming bottom and side slopes in accordance with requirement of line, grades and cross sections, including disposal of surplus material with all lift and lead upto 1000 metre as per MoRT&H specification clause 301. In all type of soil 6 Carriage of earth upto 1 Km lead 7 Providing and laying lean cement concrete 1:4:8 in Sub- base over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in concrete mixer, laid manualy, compacted with surface vibrator, finishing and curing complete as per clause 601, 112 of MoRT&H specification including all material, labour, machinery, lighting, guarding and maintenance of diversion. 8 Providing and laying un-reinforced, plain cement concrete mix with Concrete Mixer & vibrator pavement over a prepared sub base with 43 grade cement , coarse and fine aggregate conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed as per approved mix design, laid, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints etc including all material, labour,machinery, lighting, guarding and maintenance of diversion. PCC M-20 9 Providing and laying un-reinforced, plain cement concrete mix with Concrete Mixer & vibrator pavement over a prepared sub base with 43 grade cement , coarse and fine aggregate conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed as per approved mix design, laid, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints etc including all material, labour,machinery, lighting, guarding and maintenance of diversion. PCC M-25 10 Raising circular inspection chamber with circular cover 450mm dia and frame slab to required level including dismantling existing slab, taking out the existing CI frame & cover of inspection chamber and raising it upto ground/ road level, refixing of frame and cover in M15 (1:2:4) concrete all around the frame, including making good the damage, form work, curing, complete as directed by Engineer.(Brick/ concrete work of raising depth of manhole to be paid separately) 11 Raising precast circular manhole cover and frame by taking outexisting precast frame and cover, providing and fixing precast SFRC circular spacer of required height, re-fixing existing manhole cover frame and cover with cement sand mortar (1:3), including making good the damage, complete as directed by Engineer. 12 Providing and laying treatment of wear & tear concrete surface with pre-mixed, ready to use, high-performance, curing free, quick-setting ready to use cement mortar for repairing of potholes with minimum 25mm depth and without cutting the panel so that traffic can be mobilized in 2 hours. The high-performance cement should be curing free, achieve compressive strength of 10 MPa within 4 Hours, achieve bond strength of 4 MPa within 24 Hours, non-shrink andnon-toxic.
