Construction of Black Top of earthen road from Thakur Munda house to Shri. Dibru Lakra house at NO.01 under Gram Panchayat, Ramnagar (L-300.00m).

Amount

Preparation and consolidation of sub grade with power road roller of 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 undulations etc. and re-rolling the sub grade and disposal of surplus earthwith lead upto 50 metres.

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.

Subbase with stone aggregate 90 mm to 45 mm including Stone screening 13.2 mm size

Base Coursese with stone aggregate 63 mm to 45mm i/c stone screening 13.2 mm size.

Base Coursese with stone aggregate 53 mm to 22.4mm i/c stone screening 11.2 mm size.

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 bituminous surface @ 0.50 Kg / sqm

2 cm premix carpet surfacing with 1.8 cum and 0.90 cum of stone chippings 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 (tack coat to be paid for separately).

With paving Asphalt grade VG - 30 with no solvent

Providing and adding shredded Plastic @ 8% of Bitumen cosumed including carriage of the same Port Blair (Only in the item of laying 2 cm premix carpeting)

Providing and laying Bitumen Penetration Macadam with hard stone aggregate of quality, size and grading as specified, with bitumen of suitable penetration grade, including required key aggregate as specified, spreading coarse aggregate with the help of self propelled/ tipper tail mounted aggregate spreader and applying bitumen by a pressure distributor and then spreading key aggregate with the help of aggregate spreader complete, including consolidation with road roller of minimum 8 to 10 tonne capacity to achieve specified values of compaction and surface accuracy :

For 50mm compacted thickness using coarse aggregate of size 50-20 mm graded @ 0.60 cum per 10 sqm key aggregate of size 12.5 mm graded @ 0.15 cum per 10 sqm. With paving asphalt grade VG - 10 @ 50 kg/ 10 sqm.

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.

Excavation and Carriage of earth by Mechanical Transport for an average lead of 2KM including loading , unloading filling, watering & leveling consolidation with roller of 8 to 10 tonne etc. Complete.

Painting road surface marking with adequate nos of coats to give uniform finish with ready mixed road marking paint conforming to IS : 164, on bituminous surface in white/yellow shade, including cleaning the surface of all dirt, scales, oil, grease and foreign material etc. complete.

New work (Two or more coats)

Routine Maintenance after completion of construction works (Lump-sum Amount for each year per Km.)

For 1st year (Rs. 13,385.16) For 2nd year (Rs. 25,125.72) For 3rd year (Rs. 31,985.04) For 4th year (Rs. 69,802.68) For 5th year (Rs. 85,645.80) Maintenance Cost (Fixed) Total 5 year maintenance cost = Rs. 2,25,944.40) (Same rate to be quoted i.e Rs. 2,25,944.40)

For Routine Maintenance, the unit rate indicated by the Authority shall apply. The bidder is requried to accept these rates, Further, the payment shall be performance based.

dipankar mistry (BID ID -48761)

KARTICK BAROI (BID ID -48748)