Laying of WBM from Haridas Baroi houe to Kalpong Nallah via Ranjan Biswas house at Khudirampur ward No. 04 under Panchayat Samiti Diglipur..

Amount

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 pulverised 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

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.

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 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.

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.

All kinds of soil

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. 19,522.45) For 2nd year (Rs. 58,163.34) For 3rd year (Rs. 79,579.68) For 4th year (Rs. 1,01,827.60) For 5th year (Rs. 1,24,941.33) Maintenance Cost (Fixed) Total 5 year maintenance cost = Rs. 3,84,034.40) (Same rate to be quoted i.e Rs. 3,84,034.40)

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.

Naveen kumar kashyap