Construction of Black Top Road in lieu of construction of CC Road from Ratan Das house to Mahadev Biswas at Gandhinagar ward No. 01 under Gram Panchayat Gandhinagar.

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.

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 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 .

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 @ 0.75Kg/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 consumed including carriage of the same Port Blair (Only in the item of laying 2 cm premix carpeting ).

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.

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

For 1st year (Rs. 11,545.53) For 2nd year (Rs. 34,392.93) For 3rd year (Rs. 47,055.99) For 4th year (Rs. 60,210.75) For 5th year (Rs. 73,877.44) Maintenance Cost (Fixed) Total 5 year maintenance cost = Rs. 2,27,082.64) (Same rate to be quoted i.e Rs. 2,27,082.64)

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.

NARESH HALDER