Construction of new bye lane no 14 at IGC Chaygaon Chatabari

Amount

Clearing and Grubbing Road Land (Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned up to lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm thickness. ii. By Mechanical Means A. In area of light jungle

Dismantling of Structures (Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 metres) II. By Mechanical Means for items No. 202( b) & ( c) ii) Dismantling Brick / Tile work

Excavation in Marshy Soil (Excavation for roadway in marshy soil with hydraulic excavator 0.9 cum bucket capacity including cutting and loading in tippers and disposal with in all lifts and lead upto 1000 metres, trimming of bottom and side slopes in accordance with requirements of lines, grades and cross sections.)

Removal of Unserviceable Soil with Disposal up to 1000 metres (Removal of unserviceable soil including excavation, loading and disposal upto 1000 metres lead but excluding replacement by suitable soil which shall be paid separately as per clause 305.) For extraction of black cotton soil

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) from private land Against general excavated areas

Construction of sub grade and earthen shoulders with approved materials obtained from borrow pits, with initials lead up to 3.0 km transporting to site spreading, grading to required slope and compacting to meet requirement of table 300-2 (including land compensation of earth) (a), (Including cost of testing of materials at site and laboratory as directed by the deptt.) a) from private land Filling in sub grade to have reqd. height/ level

For extra 3 KM lead @Rs.8.46 per cum/km

Compacting original ground Case –II Compacting original ground embankment Loosening, Levelling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry as give in Tables 300.1 and 300.2 for embankment construction as per Technical specification Clause 301.4.1 Case-II

Granular Sub-Base with close graded material (Table: 400-1) (B) By Mix in Place Method Construction of Granular Sub-Base by providing close graded material, spreading in uniform layers in with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per Technical Specification Clause 401.( with an initial lead of 5 KM) (Including cost of testing of materials at site and laboratory as directed by the deptt.) (i) For Grading I Material

Water Bound Macadam Providing, laying, spreading and compounding stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, roller with vibratory roller 80-100 tonnes in stages to proper grade and camber, applying and brooming requisities type of screening/ binding materials to fill-up the insertices of coarse aggregate, watering and compacting to the required density.(with an initial lead of 5 KM) A. By Manual Means (II) Grading-II (b) Using Screening Type –A (13.2 mm Agg.) In two layers

(III) Grading-III (b) Using Screening Type –B (11.2 mm Agg.)

Prime coat Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means(Including cost of testing of materials at site and laboratory as directed by the deptt.) (ii) With bitumen emulsion CSS-1 (IS-8887-2004) c) Granular surfaces treated with primer

Tack coat Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg/sqm on prepared bituminous/granular surface cleaned with mechanical brooms (Including cost of testing of materials at site and laboratory as directed by the deptt.) (II) With bitumen emulsion CSS-1(IS-8887-2004) c) Granular surfaces treated with primer

Open –Graded Premix Surfacing Providing, laying and rolling of open –graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cutback or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades.(including carriage up to initial lead 5.0 KM from quarry and carriage of mixed materials up to 10.0 Km initial lead from mixing plant). (Including cost of testing of materials at site and laboratory as directed by the deptt.) A.Without anti stripping agent Type A

Seal Coat Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats) (including carriage up to initial lead of 5.0 km from quarry) (Including cost of testing of materials at site and laboratory as directed by the deptt.) A. Without anti stripping agent Case-I : Type A Providing and laying liquid seal coat comprising layer of bituminous binder (paving bitumen of 60/70 grade or CG-30 grade, followed by a cover of crushed stone chipping of specified grade) (including carriage up to initial lead of 5.00 km from quarry)

Pradip Kalita

SRI NABA BAISHYA

Paresh Kalita

SRI NARAYAN DAS

KRITI ENTERPRISE

Basanta Barman

Sri Kaushik Deka