Reconstruction of damaged Hume pipe culvert with construction of new RCC Box Culvert 2.00 x2.00 mtr in size at SH-15 chainage 21.64 Km, Shyamnagar village under SD-II, CD APWD, Diglipur

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

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 40 mm nominal size derived from natural sources)

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

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

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fllets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement:

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in beams, suspended foors, roofs having slope up to 15* landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to foor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources: 3 graded stone aggregate 20 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.

Walls any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

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

4 cm thick bitumastic sheet with hot bitumen of approved quality,using stone chippings (60% with 12.5 mm nominal size and 40%with 10 mm nominal size) @ 2.60 cum per 100 sqm and coarsesand @ 2.60 cum per 100 sqm of road surface and with bitumen @56 kg/cum of stone chippings and @ 128 kg/cum of sand over atack coat with hot straight run bitumen, including consolidationwith road roller of 8 to 10 tonne etc. complete. (tack coat to be paid separately) :

With paving asphalt grade VG - 30 with no solvent

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 brooming requisite type of screening / binding material to fill up interstices of coarse aggregate, watering and compacting to the required density.

Sub base with stone aggreagte 90 mm to 45 mm including stone screening13.20mm

Base coarse with stone aggreagte 63 mm to 45 mm including stone screening 13.20 nn (Type-A)

Base coarse with stone aggreagte 53 mm to 22.4 mm including stone screening 11.20 mm (Type-B)

Providing and fixing PVC pipe for drain oulet as per direction of Engineer-in-Charge.

75mm dia PVC pipe

Supplying and filling stone boulders as filter media etc complte as per the direction of Engineer in charge.

Making temporary diversion road having minimum width of 3.30 mtr with laying of hume pipes ofr required size and length for cross drainage of water, earth cushion with filling of earth, quarry rubbish of minimum 500mm depth including mechanbical carriage for an average lead of of 3.00 km and making clear the temporary diversion road after the completion of new culvert & road all complete as per the direction of Engineer in-charge.