WORK NO 03

Dismantling of existing structures like culverts, bridges, retaining walls, CC road and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material disposal of unserviceable material and stacking the serviceable material with alllifts and lead of 50 metres as directed by Engineer. Cement Concrete Grade M-15 and above and PCC blocks

Lime Concrete, cement concrete grade M-10 (1:5:10) and below

Carriage of Materials by mechanical transport including loading unloading and stacking Stone, boulders,gravelly material

Providing and laying lean cement concrete 1:4:8 in Sub- base over prepared sub-grade with coarse and fine aggregateconforming 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 manually 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.

Centring and shuttering with plywood or steel sheet upto two stories( each story of height upto 3.5 metre from floor level) includingstrutting, propping etc. and removal of form for :Foundations, footings, bases of columns, etc. for mass concrete.

Providing and laying in position cement concrete of specified gradeexcluding the cost of centring and shuttering - All work upto plinthlevel :1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mmnominal size)

Supplying and fixing in walls machine cut and polished stone shelves, tands and in CM 1:3 with machine cut edges : Sand or other approved stone 50mm thick.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded 20mm nominal size stone aggregate) finished with a floating coat of neat cement including cement slurry, but excluding the cost of nosing of steps etc. complete. including Providing /mixing of synthetic fibers compulsorily complying with IS 16481:2022 of 06 mm/12 mm length to be mixed @ 0.25% by weight of Cement i.e. 125 gms per 50 kg Cement up to 900 gms per cum of Concrete/ mortar 40mm thick

Providing, laying and spreading of granular sub-base by providing coarse graded Material (Table 400-2), spreading in uniform layers with motor grader on prepared surface, mixing BY MIX IN PLACE METHOD with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per MoRT&H specification clause - 401 including all material, labour, machinery, lighting, guarding and maintenance of diversion Grading - III Material