Repairing and Maintenance of village road from water tank to main road near Nirmal Halder house at Subashgram-V under Gram Panchayat, Subashgram

Amount

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.

For 75 mm compacted thickness in two layers using stone aggregate of size 63-41 mm graded @ 0.90 cum per 10 sqm key aggregate of size 20.0 mm graded @ 0.18 cum per 10 sqm. With paving asphalt grade VG - 10 @ 68 kg/10 sqm.

Compacting original ground supporting subgrade.

Loosening on the ground upto level of 300mm below the subgrade level, wtered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade constuction as per Technical Specification clause 303.5.2 MORD including contractors profit & over head charges etc.

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

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 @ 0.50Kg/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 and 4.16Kg & 4.48Kgs of shredded waste plastic 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 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.

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, lift upto 1.5 m, 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 :

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

1:3:6 (1 Cement : 3 Pulverised sand (zone-III) derived from natural sources: 6 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, ifnishing and reinforcement- All work up to plinth level :

1:1.5:3 (1 cement: 1.5 Pulverised 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

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.

12 mm cement plaster of mix :

1:4 (1 cement: 4 River sand)

6 mm cement plaster of mix :

1:3 (1 cement: 3 River sand)

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.

40 mm thick with 20 mm nominal size stone aggregate

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

For 1st year (Rs. 17,547.96) For 2nd year (Rs. 68,107.66) For 3rd year (Rs. 95,684.24) For 4th year (Rs. 1,24,331.66) For 5th year (Rs. 1,54,095.87) Maintenance Cost (Fixed) Total 5 year maintenance cost = Rs. 4,59,767.39) (Same rate to be quoted i.e Rs. 4,59,767.39)

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.

KARTICK BAROI