MLCSNA/RIDF-XXV/Karimganj/04

Amount

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.

Foundation : '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,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.) (I) Ordinary Soil A) Manual means I) Without dewatering i) upto 3.0m depth

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,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.) (I) Ordinary Soil A) Manual means I) Without dewatering i) 3.0m to 6.00m depth

Providing and constructing temporary island for construction of pile foundation assuming depth of water 4.00m

Providing and constructing one span service road to reach island location

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-1000 mm)

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

Levelling course for pile cap

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification of MoRTH Section 1100,1500,1700 RCC Grade M25 Using Concrete mixer .

Reinforcement in Foundation: Supplying, fitting and placing uncoated TMT bar reinforcement in foundation complete as per drawing and technical specifications as per MoRTH Section 1600 TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Substructure : 'Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork RCC Grade M25 Height upto 5m '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 TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Supplying, fitting and fixing in position true to line and level cast 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 Specificationsas per MoRTH Section 1000,2000,2200

Superstructure : 'Furnishing and Placing Reinforced cement concrete in super-structure as per drawing and Technical Specification' at clause 800,1205.A)with crushed stone i) Height 5m to 10.0m . RCC Grade M25

Reinforcement in Super Structure: Supplying, fitting and placing uncoated TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications 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 of clause 800 and 1206.3 . A)with crushed stone

Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

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 instruction for installation).

Providing and fixing 20mm thick compressible fibre bored in expansion joint complete drawing and technical specification

Drainage Spouts complete as per drawing and Technical specification

PCC M15 grade levelling course below approach slab complete as per drawing and specification

RCC approach slab including reinforcement complete as per drawing and specification

Back filling behind abutment,(A) granular material

Carrying out Sub Soil investigation (SSI) for all type of soil (except boring in rock) upto depthof 30 m or refusal (N=100) for each foundation location as per IRC 78-2014 and submission of SSI report to the Engineer in charge for approval . Preparation & submission of Design calculation & Drawings of foundation , sub structure,Super structure as relevant IRC Codes and SSI Report , 2( two) each of Design& Drawing of each bridge to be submitted for approval and 8 ( eight)copies after approval of competent authority.

Protection work: 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

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification Clause 1302

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI 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 25Kg each as per drawing and technical specification clause 1301.)

Approach : '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 300-1 and 300-2 including all leads as per technical specification clause 301-5(including land compensation of earth)

Construction of Subgrade and Earthen Shoulders (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

Construction of granular sub-base by providing well graded Materials of grading-II,spreading in uniform layers with motor graded on prepared surface, mixing by mix in place method with rotavator at OMC, and compaction with smooth wheel roller to achieve the desired density, complete as per technical specification clauses401

Water Bound Macadam ( 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 tones capacity in stages to proper grade and camber, applying and booming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density. By Manual Means with land broken metals. WBM Grading II (63mm-45mm)

Water Bound Macadam ( 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 tones capacity in stages to proper grade and camber, applying and booming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density. By Manual Means with land broken metals. WBM Grading III (53mm-22.4mm)

Prime coat (Providing and applying primer coat with bitumen emulsion(SS-1) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per technical specificationclause 502

Providing and applying tack coat with bitumen emulsion using emulsion (RS-1) distributor at the rate of 0.20-0.25 kg per sqm on the prepared bituminous/granular surface cleaned with Hydraulic broom as per technical specification clause 503.

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 to required line, grade and level to serve as wearingcoarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 80-100 KNstatic roller capacity, finished to required level and grades to be followd by seal coat of either Type A

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified level, grades and crossfall using TypeA and B seal coats as per technical specification clause 510.

Providing Toe wall

M/S ABDUL LATIF

Debajit Deb

Debopriya Deb

Animesh Deb