MLCSNA/RIDF-XXV/ KarbiAnglong/07 Construction of RCC Br no 1/1 On PWD Majgaon Road over river Naojan under Mahavir Lachit Chilarai Setu Nirman Abhijan under RIDF-XXV of NABARD for the year 2019-20

Amount

Labour for dismantelling all members of the timber bridge (excluding piles)with necessary scaffolding, jati bamboos, jumper ropes etc. complete and stacking them at suitable places as directed (all members will be under custody of the contractor till taken over by the department).

Labour for taking out old piles of timber bridge with necessary scaffolding, jati bamboos, jumper ropes etc. complete and stacking them at suitable places as directed

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 A. By manual means (i) depth upto 3.0 m (without dewatering)

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 A. By manual means (ii) 3m to 6m depth (without dewatering)

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1200 mm)

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). A) Initial and routine load test.

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification. N. without plasticiser. A) RCC Grade M20 a) Using concrete mixer.

Levelling course for pile cap : Providing and laying of PCC M15 levelling course 100mm thick below the pile cap

Supplying, fitting and placing TMT IS:1786Fe 500 D 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/ Jindel Panther Steel/ Shyam or equivalent)

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification.

Providing and constructing one span service road to reach island location from one pier to another pier location

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork N. Without plasticiser. F. RCC Grade M25 A) Using Concrete mixure a) Height upto 5m

Supplying, fitting and placing TMT IS:1786 (Fe 500 D ) 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/ Jindel Panther Steel/ Shyam or equivalent)

Providing weep holes in Brickmasonary/Plain/ reinforced cemeconcrete abutment,wing wall/ return wall with 100 mm dia AC pipe , extending through the full width of the structure with slope of 1V : 20H toward draing face complete as per drawing and Technical specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A) Sandy material

Providing and laying of Filter media with granular materials/stone aggregates satisfying the requirements laid down in clause 2504.2.2 of MORTH Specification 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 abutment, 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 elastomeric bearing conforming to IRC: 83(Pt.-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Furnishing and placing Reinforced / Prestressed cement concrete in super-structure as per drawing and Technical Specification including steel shuttering formwork. N. Without Plasticser B. RCC Grade M25 ( Using Concrete Mixer) (II) For T Bean and Slab (b) Height 5m to 10m

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS: 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/ Jindel Panther Steel/ Shyam or equivalent)

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

Construction of RCC railing of M 30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

Drainage Spouts complete as per approved drawing and Technical specification

Strip Seal Expansion Joint - Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70mm, 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 instruction for installation.

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/ Jindel Panther Steel/ Shyam or equivalent)

PCC M 15 Grade levelling course below approach slab complete as per drawing and Technical specification

SSI works : Carrying out boring to make 150 mm bores using casing not less than 1501mm internal dia for all type of soil including clayey, silty,sandy and gravelly soil (except boring in rock) upto depth of 30 m or refusal (N=100) for collection of undisturbed/ disturbed samples, carrying out Standard Proctor Test (SPT) compiete as per Appendix-2 of IRC 78-2000 as directed by the Deptt, inccluding packing and carriage of all types of samples to the laboratory from the site of work and including carrying out all laboratory test, preparation and submission of a report in quaduplicate with all sampling, testing to be done as per relavant IRC/IS codes complete as per direc tion of the Deptt.

Providing and laying of boulder apron laid in wire crates made with 4mm dia G.I. wire conforming to IS: 280 & IS: 4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40kg each.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications. A. stone Boulder (including toe protection)

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification.

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 beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. A) By Manual Means:- a) In area of light jungle

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

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) '(a) from private land / '(b) from Govt land

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density,complete as per cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) A) for grading- II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density. A) By Manual Means: a) 'Grading- II i) Using Screening Type-A

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with an initial lead of 5.0 km. ) A) By Manual Means Means: a) 'Grading- III i) Using Screening Type-B

Providing and applying prime coat with bitumen emulsion on prepared surface of granular base including cleaning of road surface and srying primer at thgae rate of 0.60 kg/sqm using mechanical means. (including cost of testing of materials at site and laboratory as directed by the deptt) using meachanical means (i) With Bitumen emulsion -CSS-1h.

Providing and applying tack coat with Bitumen emulsion using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with mechanical broom. (including cost of testing of materials at site and laboratory as directed by the deptt) using meachanical means. (i) With Bitumen emulsion -CSS-1h. ( dry and hungry bituminous surface)

Providing, laying and rolling of open - graded premix surface of 20 mm thickness cmposed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen 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 cost of testing of materials at site and laboratory as directed by the deptt.) A. Without anti stripping agent (I) Mechanical method using Penetration grade Bitumen (60.70 or VG-30 grade) and HMP of appropriate capacity not less than 75 tonnes/hour

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 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 of seal coat comprising of a layer of bituminous binder (paving bitumen 60/70 or VG-30 grade, followed by cover of crushed stone chipping of specified grade.

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.

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. A) 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) II0 60cm equilateral triangle

Sub Way : 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.

Smti Monumaya Devi

M/S J.R. CONSTRUCTION AND ENGINEERING

Sawarmal Agarwala

North East Plantations & Commercial Pvt Ltd

Sri Jiban Chutia