Construction of Rural Road from ATR to way of newly constructed Multipurpose hall at Uttara ward No. 03 Rajiv Nagar under Gram Panchayat Uttara (L-154m).

Amount

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 :

1:2:4 (1 Cement : 2 Pulverised sand (zone-III) derived from natura sources : 4 graded stone aggregate 20 mm nominal size derived from natura sources)

1:3:6 (1 Cement : 3 Pulverised sand (zone-III) derived from natura sources : 6 graded stone aggregate 20 mm nominal size derived from natura sources)

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

Centering and shuttering including strutting, propping etc. and removal of form for:

Foundations, footings, bases of columns, etc. for mass concrete

12 mm Cement Plaster of mix:

1:4 (1 Cement :4 Fine Sand)

Extra for making chequers of approved pattern on cement concrete floors, steps, landing, pavements etc.

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.

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 2cm 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.

SWAPAN KUMAR ROY (BID ID -53540)

SUBHASH CHANDRA MONDAL (BID ID -53516)