Maintenance of Road work at Technopark Phase 1 Campus,Trivandrum

Amount

Providing and applying primer coat by using bituminous emulsion complying to IS 8887 over prepared surface of granular base with emulsion at a temperature between 20-60 deg. C and applying a uniform coat with the aid of self propeiied bitumen pressure sprayer with self heating arrangement and spraying bar with nozzles of constant volume or pressure system at the rate of 10Kg/10m2 including all material, Labour, machinery, with all leads and lifts complete.The rate is inclusive of all material charge, labour, transportation, scaffolding (if needed) loading/ unloading at the work space etc complete as per the direction of engineer in charge.

Providing and laying semi- dense Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying the mixture uniformly, maintaining the specified temperature, through rolling with power roller with necessary hand packing and pinning to give an uniform surface to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 25 mm compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity.The rate inclusive of all material charge, labour, transportation, scaffolding (if needed) loading / unloading at the work space etc complete as per the direction of engineer in charge.

Providing and laying Dense Graded Bituminous Macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying the mixture uniformly, maintaining the specified temperature, through rolling with power roller with necessary hand packing and pinning to give an uniform surfaces to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge.50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity. The rate inclusive of all material charge, labour, transportation, scaffolding (if needed) loading / unloading at the work space etc complete as per the direction 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 and 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-III (size range 26.5 mm to 0.075 mm ) having CBR value -20. The rate is including all the cost of material to site, labour charges, etc. complete.

Chipping of unsound/weak concrete material from road surface,slabs,beams ,columns etc with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges,making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge. 75mm average thickness

Dileep C B