construction of rural road from zilla parishad road to chaya rani house at ward no 9 under wimberlygunj panchayat by zilla parishad south andaman re revised estimate

Amount

Earth work in rough excavation, banking excavated earth in layers not exceeding 20 cm in depth, breaking clods, watering, rolling each layer with 1.5 tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and lift upto 1.5 m

All kinds of soil

Carriage of earth by mechanical transport including loadind unloading and stacking for a lead of 4.00 km.

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means over areas (exceeding 30 cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal ofexcavated earth, lead upto 50 m and lift upto 1.5 m,disposed earth to be levelled and neatly dressed.

All kinds of soil

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer- in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equilvalent design mix)

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

1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregated 40 , nominal Size).

1: 3:6 (1 cement:4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

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 : 3 graded stone aggregate 20 mm nominal size).

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

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

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:2:4 (1 cement : 2 coarse sand: 4 graded stone aggregate 20 mm nominal size ).

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.

Centering and shuttering including strutting, propping etc. and removal of forms 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.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement including cement slurry, but excluding the cost of nosing of steps etc. complete.

40mm thick with 20 mm nominal size stone aggregate

6 mm cement plaster of mix :

1 : 3 (1 cement:3 fine sand)

12 mm cement plaster of mix :

1 : 4 (1 cement : 4 coarse sand)

Providing and fixing P.V.C pipe of dia 50 mm as weep hole.

Preparation and consolidation of sub grade with power road rollerof 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm, depth, dressing to camber and consolidating with road roller including making good the undulation etc. and re-rolling the sub graded and disposal of surplus earth with lead upto 50 metres.

Supplying and stacking at site

90 mm to 45 mm size stone aggregate

63 mm to 45 mm size stone aggregate

53 mm to 22.4 mm size stone aggregate

Stone screening 13.2 mm nominal size (Type A)

Stone screening 11.2 mm nominal size (Type B)

Moorum

Laying, spreading and compacting stone aggregate of specified sizes to WBM specifications 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.

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

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

2 cm premix carpet surfacing with 1.8 cum and 0.90 cum of stone chipping of 13.2 mm size and 11.2 mm size respectively per 100 sqm and 52 kg and 56 kg of hot bitumen per cum of stone chippings of 13.2 mm and 11.2 mm size respectively,including a tack coat with hot straight run bitumen , including consolidation with road roller of 6 to 9 tonne capacity etc. complete (Use shredded plastic @ 10 % of total bitumen i. e 30 % VG & 10 % Shredded Plastic).

With paving Asphalt grade VG- 30 with no solvent(90 % VG-30 & 10 % Shredded Plastic)

Providing and laying seal coat of premixed fine aggregate (passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG- 10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface including rolling and finishing with road roller all complete.

Painting runway/ taxi/ apron marking with adequate no. of coats to give uniform finish with road marking pain of superior make as approved by the Engineer - in -charge i/e cleaning the surface of all dirt, scales,oil grease and other foreign material etc. and lining out complete.

New work (Two or more coats)

Total of Quoted Amount (A)

MAINTENANCE:- Amount is provisioned . Work has to be executed as per maintenance schedule provided in NIT/Agreement after completion of work.

For 1st Year

For 2nd Year

For 3rdYear

For 4th Year

For 5th Year

Total of Maintenance Cost for 5 Years (B)

Grand Total (A+B)

SHRI BALAJI ENTERPRISES (BID ID -54929)

M Abdul Hameed (BID ID -54922)