Improvement of rural road connecting NH-4 to Civil Supply godown Birdline for a length of 360 mtr under Sub-Division No.III, CD-II, APWD, Prothrapur.

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Preparation and consolidation of sub grade with power road roller of8 to 12 tonne capacity after excavating earth to an average of 22.5cm depth, dressing to camber and consolidating with road rollerincluding making good the undulations etc. and re-rolling the subgrade and disposal of surplus earthwith lead upto 50 metres.

Providing and applying tack coat using hot straight run bitumen ofgrade VG - 10, including heating the bitumen, spraying the bitumenwith mechanically operated spray unit fitted on bitumen boiler,cleaning and preparing the existing road surface as perspecifications :

On W.B.M. @ 0.75 Kg / sqm

Providing and laying bituminous macadam using crushed stoneaggregates of specified grading premixed with bituminous binder,transported to site by tippers, laid over a previously prepared surfacewith paver finisher equiped with electronic sensor to the requiredgrade, level and alignment and rolling with smooth wheeled, vibratoryand tandem rollers as per specifications to achieve the desiredcompaction and density, complete as per specificatons and directionsof Engineer-in-Charge.

50 to 100 mm average compacted thickness with bitumenof grade VG-30 @ 3.50% (percentage by weight of totalmix) prepared in Batch Type Hot Mix Plant of 100-120TPH capacity.

Providing and laying semi- dense Bituminous concrete using crushedstone aggregates of specified grading, premixed with bituminousbinder and filler, transporting the hot mix to work site by tippers,laying with paver finisher equiped with electronic sensor to the requiredgrade, level and alignment and rolling with smooth wheeled, vibratoryand tandem rollers to achieve the desired compaction and densityas 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 limefiller @ 2% (percentage by weight of Aggregate) preparedin Batch Type Hot Mix Plant of 100-120 TPH capacity.

Scarifying the existing bituminous road surface to a depth of 50 mmand disposal of scarified material within all lifts and lead upto 1km(by mechanical means).

Providing, laying, spreading and compacting stone aggregate of specified sizes to WBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road/vibratory roller 8-10 tonne capacity in stages to proper grade and camber, applying and broming requisite type of screening/binding material to fill up interstices of coarse aggregate, watering and compacting to the required density.

Sub-base with stone aggregate 90mm to 45mm including stone screening13.2mm size.

Base course with stone aggregate 63mm to 45mm size including stone screening 13.2mm size

Base course with stone aggregate 53mm to 22.4mm size including stone screening 11.2mm size.

M/S UMADEVI