Arch Bridge across Yargyapchu river in between Mechukha and Dorjeeling

Amount

ITEM : BRIDGE - FOUNDATION

Bored cast-in-situ M35 grade R C C Pile excluding Reinforcement complete as per Drawing and Technical Specifications and removal of excavated earthwith all lifts and lead upto 1000 m PCC M35

Pile Integrity Test. (Pile Integrity test using Low Strain Integrity testing method as per provision of IRC-78-2014, Appendix - 7 ,Part-2 and IS:14893 as per direction of Engineer -In-Charge.) Both Banks

Levelling Course for Pile cap Proving and laying of PCC M15 levelling course 100mm thick below the pile cap.

Cement Concrete for Reinforced Concrete in Pile Cap complete as per Drawing and Technical Specification RCC M30

Supplying, fitting and placing un-coated HYSD bar reinforcement in foundation complete as per Drawing and Technical Specifications

ITEM : ABUTMENT

Plain/Reinforced Cement Concrete in Sub structure complete as per drawing Technical Specifications. RCC Grade M30 Height up to 5m)

Supplying, fitting and placin HYSD bar reinforcement in sub stucture complete as per Drawing and Technical Specifications

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 Specifications

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 towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition complete as per drawing and Technical Specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification Granular Material

ITEM : PARAPETS

Provision of an Reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with M-35 grade concrete with HYSD reinforcement conforming to IRC:21 and dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to MOST circular No. RW/NH - 33022/1/94-DO III dated 24 June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified a) M 35 grade concrete crash barrier

Type - B, "THRIE" : Metal Beam Crash Barrier Providing and erecting a "Thrie" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 2 m high with 1.15 m below ground level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a space of channel section 150 x 75 x 5 mm, 546 mm long complete as per clause 810

Supplying, fitting and placing HYSD bar reinforcement in Sub Structure complete as per Drawing and Technical Specifications, Fe 500 or above.

ITEM : DECK

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification. RCC Grade M 30 Using Batching Plant, Transit Mixer and Concrete Pump.

Furnishing and Placing Reinforced/ Prestressed cement concrete in super-structure as per drawing and Technical Specification. RCC Grade M 40 Using Batching Plant, Transit Mixer and Concrete Pump.

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications -Fe500

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

Reinforced cement concrete (M 30 Grade) approach slab including reinforcement and formwork complete as per drawing and Technical specification

Painting on concrete surface Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm.

Supply and fabrication of steel work at fabricators workshop comprising of main griders, cross griders connecting plates, stringers,stiffening plates etc. from steel plates and structural steel of specified grades as per approved drawing including straightening, decaling, degreasing cutting to size and shape drilling welding and grinding supply of all MS/HTS shop or site bolts nuts & washers, holding down bolts and nuts etc. trail assembling at workshop one priming coat of shop paint with red lead paint conforming to IS-102 with all labour material cost of paints consumables stacking in protected condition etc complete as per specification and as directed by the Engineer in charge ( Carriage cost from fabricator workshop to actual bridge site will be paid separately.

Fabricated steel work from stacks at site as necessary assemblimg and erection at site as necessary assembling and erection of fabricated steel structure to proper line level and camber as per approved drawing complete in asll respect including transportation and handling supply of all fastener. painting of all exposed surfaces of steel work after erection with one coat of red lead conforming to IS-102 and two coats Aluminium paint to IS-2339, grouting of anchor bolts in position including all lobour consumables material machinery tools and tackles complete as per specification and as directed by the Engineer fin charge

Supplying Tension rod Suspender M56 Grade CS460 with bar dia 53mm and length as specified including all accessories such as Fork assembly,Turn buckle, Lock cover etc. as required.

Load Testing of Super structure of bridge after completion in all respect using static loading method to determine accpectance criteria of design as per IRC:SP:51-2015 complete as per direction of Engineer- In-Charge.

ITEM : WING WALLS (RETURN WALL)

Plain/Reinforced Cement Concrete in Sub structure complete as per drawing Technical Specifications RCC Grade M30

Supplying, fitting and placin HYSD bar reinforcement in sub stucture complete as per Drawing and Technical Specifications

ITEM : WEARING COURSE

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

ITEM : JOINTS

Strip Seal Expansion Joint Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation.

ITEM : DRAINAGE

Drainage Spouts complete as per drawing and Technical specification

ITEM : BEARINGS- PTEE

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 stainless steel mating surface, complete assembly to be of cast steel/fabricated structural steel, metal and elastomer elements to be as per IRC: 83 part-I & II respectively and other parts conforming to BS: 5400, section 9.1 & 9.2 and clause 2006 of MoRTH Specifications complete as per drawing and approved Technical Specifications.

ITEM : EARTHWORK (INCLUDING FOR FOUNDATION)

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 sides and bottom and backfilling with approved material (without de-watering) (A) Ordinary Soil

(B) Ordinary rock (not required blasting)

(C) Hard rock (required blasting)

Construction of Embankment with Material obtained from borrow pits (for approaches) 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 requirement of table-300-2

Gabian Structure for Erosion Control, River training workand Protection works Providing and constructing gabian structures for erosion control, river training work and protection work with with wire crates of size 2 m x 1 m x 0.30 m each divided into 1.00 m compartments by cross netting, made from 4 mm galvanised steel wire @32 kg per sqm having minimum tensile strength of 300 Mpa conforming to IS;280 abd galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 mm x 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be securely tied with 4 mm galvanised steel wire.

ITEM :SEISMIC STOPPERS

Plain/Reinforced Cement Concrete in Sub structure complete as per drawing Technical Specifications RCC Grade M30

Supplying, fitting and placin HYSD bar reinforcement in sub stucture complete as per Drawing and Technical Specifications

ITEM :ROAD COMPONENT (FOR APPROACHES)

Granular Sub base with close Graded Material (Table :- 400-1) By Mix in Place Method Construction of granular sub-base by providing close grded material, spreading in uniform layers with motor graded 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 clause 401

Water Bound Macadam Providing, laying, spreading stone aggregates of specifc sizes to water bound macadm specification including spreading in uniform thickness, hand packing, rolling with 3 wheel steel/vibratory roller 8-10 tonne in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. By Mannual means- Grading -II

Water Bound Macadam Providing, laying, spreading stone aggregates of specifc sizes to water bound macadm specification including spreading in uniform thickness, hand packing, rolling with 3 wheel steel/vibratory roller 8-10 tonne in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. By Mannual means- Grading -III

Prime Coat Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means.

Open -Graded Premix Surfacing Providing, laying and rolling of open - graded premix syrfacing of 20 mm thickness compossed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or cut-back 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 rolled 8-10 tonne capacity, finished to required level and grades.

ITEM :ROAD LOGO & OTHER ROAD FURNITURE

Providing,and fixing of typical PMGSY Logo board as per MORD specification and drawing of cast- in-situ RCC Post (Size of post 25 cm x 25 cmm x 90 cm below GL & 15 cm x 15 cm x 260 cm above GL), (Size of board 1 x 85 cm x 85 cm x 7.5 cm) incl. earth work, finishing with 15 mm plaster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropriate colour with required shade of approved quality ready mixed paint.

Providing,and fixing of typical PMGSY Citizen information sign board as per MORD specification and drawing of cast- in-situ RCC post (Size of post 25 cm x 25 cmm x 90 cm below GL & 15 cm x 15 cm x 245 cm above GL), (Size of board 2 x 85 cm x 85 cm x 7.5 cm) incl. earth work, finishing with 15 mm plaster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropriate colour with required shade of approved quality ready mixed paint.

Providing,and fixing of typical PMGSY Citizen information sign board as per MORD specification and drawing of cast- in-situ RCC post (Size of post 25 cm x 25 cmm x 90 cm below GL & 15 cm x 15 cm x 245 cm above GL), (Size of board 2 x 90 cm x 80 cm x 7.5 cm) incl. earth work, finishing with 15 mm plaster 1:4 and neat cement punning, applying priming coat, painting and lettering with appropriate colour with required shade of approved quality ready mixed paint.

ITEM : 5 YEARS MAINTENANCE

Maintenance for First Year

Maintenance for Second Year

Maintenance for Third Year

Maintenance for Fourth Year

Maintenance for Fifth Year

M/s.Nima Enterprises (BID ID -618964)