Name of Work: Concrete work Govt. school no 01 behind to aadu ji circle in ward no 27
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Item Description
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Work
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Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres leadFor thickness of tiles above 25 mm and upto 40 mm
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Providing, laying, spreading (with paver finisher only) and compacting wet mix macadam (WMM) base course comprising of graded stone aggregate and granular material conforming to MORT&H specifications (Table 400-II) in layers of equal compacted thickness each consolidated, including pre-mixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tippers to site, laying in uniform layers in base course on a well prepared sub-base/ base course and compacting with power vibratory-roller to achieve the desired density complete as per MoRT&H specification clause - 406 including all material, labour, machinery, lighting, guarding and maintenance of diversion.
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Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level1:5:10 (1 cement : 5 fine/ coarse sand : 10 graded stone aggregate40 mm nominal size)
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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.
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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)
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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/ mortar40mm thick
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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 asper approved mix design, laid, spread, compacted and finished in acontinuous 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
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