Tinsukia/09B Br. No. 1/1 on Chengchap to Gorshinga Road

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 lifts and lead of 1000 m as per Technical Specification Clause 202.

Excavation for Structures, Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material, I. Ordinary Soil, B Mechanical Means with dewatering i) Depth upto 3 m

Bored cast-in-situ M 35 grade RCC pile excluding reinforcement complete as per drawing and Technical Specifications and removal of excavated earth with all lead and lift up to 1000 m. Pile diameter = 1000 mm

Pile load test on single vertical pile in accordance with I.S. 2911 (Part IV)as per technical specifications. a) Initial load test (Safe load = 160 t)

Pile load test on single vertical pile in accordance with I.S. 2911 (Part IV)as per technical specifications. b) Routine Load Test of 2 Nos. test for piles upto 50 Nos.

Cement concrete for reinforcement concrete in pile cap complete as per drawing and technical specifications. D. RCC grade M - 35 i) Using concrete mixer

Levelling course for Pile cap Providing and lying of PCC M - 15 levelling course 100 mm thick below the pile cap. as per drawing and technical specifications.

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications (A) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Plain/ Reinforced Cement Concrete in substructure complete as per Drawing and Technical Specifications. (N) Without plasticiser H) a) RCC Grade M 35 a) Height up to 5.0 m Case-I : Using Concrete Mixer

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification (A) Granular Material

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification.

Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainlesssteel matting surfaces, complete assembly to be of cast steel/fabricated structural steel, meatal and elastomer elements to be as per IRC:83 part-I &II respectively and parts conforming to BS:5400, complete as per drawing and approved technical specification.

Furnishing and placing reinforcement / prestressed cement concrete in super structure as per drawing and technical specifications. (N) Without Plasticiser D. RCC/ PSC grade M - 35 Case I : Using concrete mixer For T beam and slab 1) Height up to 5.0 m

Furnishing and placing reinforcement / prestressed cement concrete in super structure as per drawing and technical specifications. E. RCC Grade M-40, For T beam and slab 2) Height 5.0m to 10.0 m

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing Strip Seal Expansion Joint to cater movement of +70mm as per drawing.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 (i) Stone/Boulder

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Earthwork in excavation for foundation of structures as per drawings and technical specifications , including setting out, construction of shoring and bracing, including dewatering and using machinery, removal of stumps and other deleterious matter, dressing of sides and bottom and back filling with approved material . I) In Ordinary Soil. B. Mechanical means. i) Depth up to 3.00 m (with dewatering)

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. I. Without plasticiser. A. PCC Grade M15.

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. I. Without plasticiser. G RCC Grade M30 (i) Using Concrete Mixer

Supplying, fitting and placing uncoated TMT Bar reinforcement in foundation complete as per drawing and Technical Specifications. (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Plain/ Reinforced Cement Concrete in substructure complete as per Drawing and Technical Specifications. H) a) RCC Grade M 35 I) Height up to 5.0 m Case-I : Using Concrete Mixer

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (a) from private land

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (a) from private land

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401.A)By Mix in Place Method (ii) for grading- II Material

WBM Grading 3, Using stone screening Type-B 11.2 mm for Gr.III (III) Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (b) By Manual Means

Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage.(i) Including Edge block/ Edge restraints

Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, verges or other locations shown on the drawing or as directed by the Engineer including preparation of ground, fetching of sods and watering as per Technical Specification Clause 309

Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department