Construction of Bridge over Local Nallah on Tanpura to Janda road in the district of Sambalpur under SBY for the year 2024-25.

Earthwork in excavation for bridge works in all kinds of soil, by mechanical means utilising the surplus earth locally for road work where ever required, back filling the excavated earth to the extent required complete in all respect as per approved drawing and technical specifications as per Section 900 and Clause 301 & 304 of MoRT&H Specifications for Road & Bridge works (5th Revision) & including cost of all labour, T&P, royalty etc complete and as per direction of the Engineer-in-Charge.

Labour of sinking single circular well caission/ cribwell of specified external diameter in all kinds of soil to lines levels & plumb by scooping out from inside the well & below the steining including cost of dredging & plants ,supply & work of pumps, dredgers & compressors, derrick, winches, cranes etc. balling out of water & dredging, removing all materials & obstacles from inside the wells inclusive of hire & running charges of all such machinery including materials & labour charges for providing kentledge loading if necessary & sinking to the required depth by loading with proper designed & preapproved weight & taking precautions adequately against tilting & shifting & dispiosal of the dredged materials away from the wells as per the direction of Engineer-in charge with all leads & lifts in all repects including all incidental charges like temporary sand filling, top pluging of well etc. for safety of the structure during execution as directed by the Enginer-in charge. (Payment will only be made for sinking of the well & other items required for the well sinking operation is only incidental & no payment will be made for such items) For 7.50 mtr dia Well

For 6.5 mtr dia Well

Labour of sinking single circular well caission/ cribwell of specified external diameter in soft rock to lines levels & plumb by scooping out from inside the well & below the steining including cost of dredging & plants ,supply & work of pumps, dredgers & compressors, derrick, winches, cranes etc. balling out of water & dredging, removing all materials & obstacles from inside the wells inclusive of hire & running charges of all such machinery including materials & labour charges for providing kentledge loading if necessary & sinking to the required depth by loading with proper designed & preapproved weight & taking precautions adequately against tilting & shifting & dispiosal of the dredged materials away from the wells as per the direction of Engineer-in charge with all leads & lifts in all repects including all incidental charges like temporary sand filling, top pluging of well etc. for safety of the structure during execution as directed by the Enginer-in charge. (Payment will only be made for sinking of the well & other items required for the well sinking operation is only incidental & no payment will be made for such items) For 7.5m dia wells

For 6.5m dia. wells

Labour of sinking single circular well caission/ cribwell of specified external diameter in hard rockl to lines levels & plumb by scooping out from inside the well & below the steining including cost of dredging & plants ,supply & work of pumps, dredgers & compressors, derrick, winches, cranes etc. balling out of water & dredging, removing all materials & obstacles from inside the wells inclusive of hire & running charges of all such machinery including materials & labour charges for providing kentledge loading if necessary & sinking to the required depth by loading with proper designed & preapproved weight & taking precautions adequately against tilting & shifting & dispiosal of the dredged materials away from the wells as per the direction of Engineer-in charge with all leads & lifts in all repects including all incidental charges like temporary sand filling, top pluging of well etc. for safety of the structure during execution as directed by the Enginer-in charge. (Payment will only be made for sinking of the well & other items required for the well sinking operation is only incidental & no payment will be made for such items)For 7.5m dia wells

ii) For 6.5m dia. wells

Supplying & fitting fixing in position steel cutting edge as per approved design & drawing weighing not less than 80kg. per meter including steel cladding using M.S.Angles/ rods, plates bolts & nuts, rivets complete wherever necessary including bending to size & shape drilling holes riveting welding bolting etc. complete in all respects confirming to relevant IRC codes & ISI specification including cost conveyance & all taxes of all materials, labour & T&P & all machineries etc. required for the work with all leads & lifts complete in position in all respects (cutting edge to be placed at the level of the bottom of well cap indicated in Drg. or 150 mm. above L.W.L. as specified in the Drg. or as per written order of the Engineer-in-Charge.

Cement concrete with M-150+10% extra cement on nominal mix to be used for bottom plugging having maximum compressive strength of 150 kg./cm2 with minimum quantity of cement as specified in IRC code in work tests on 150 mm. cubes at 28 days curing using cement as per CL 710-7 of IRC-78/1983 after mixing & tests conduct in accordance with IS 456 & IS-516 with crusher broken hard granite coarse aggregate of 40 mm. size down graded in conformity with clause-302.6.2 of IRC-21/1987 of approved quality (test in laboratory) from approved quarry & concrete laid in continuous operation using tremie pipes or skip boxes upto required depth including lowering, hoisting & laying in layers of 150 mm. thick with cost, conveyance royalty & other taxes of all materials, labour hire charges of all T&P & machineries required for the work complete in all respect. (in case of grouted concrete the grout mix shall not be leaner than 1:2) (Recuperation test may have to be done if directed by Engineer-in-Charge). Botton Pluging

Cement concrete of M-150 having maximum compressive strength of 150 kg./cm2 ( test to be conducted) on 150 mm. cubes tested at 28 days including curing (tests conducted in accordance with IS-456 & IS-516) & conforming to clause-302 of IRC 21/1987 using clean crusher broken hard granite coarse aggregate of 40 mm. size down grade of approved quality to be protested in the laboratory) obtained from approved quarry the proportion mix, grading conforming to relevant ISI/IRC codes pre-approved including arranging of reinforcement as per approved drawing including hoisting, lowering concrete in layers not exceeding 150 mm. thick each compacting with vibrator watering & curing for 28 days centering shuttering & finishing the exposed surface smooth providing grooves & beads where necessary including cost, conveyance royality & taxes of all labour machineries etc. required for the work complete in all respects including dismantling the centering & shuttering as per specification & direction of Engineer-in-Charge.Top Pluging

Foundation

Upto Bed

Cement concrete (1:3:6) in foundation & plinth with 4cm. crusher broken granite metal of approved quality from approved quarry including hoisting lowering & laying in layers not exceeding 150mm. thick with proper packing & ramming each layer of concrete by means of vibrator ,providing groove & beads where necessary including curing, dewatering, shoring, shuttering if necessary at the time of laying concrete with cost, conveyance royality & taxes of all material required for the work including supplying & working pumps, T&P articles finishing the exposed surface smooth as per specific ation & direction of the Engineer-in Charge Above Bed

RCC of design mix of M-250grade having specified characteristics compressive strength/ target mean strength of 250kg./cm2 in design mix with minimum quantity of cement as specified in IRC Code of 150 mm. cubes at 28 days curing after mixing & tests conducted in accordance with relevant clauses of IS 456/IS 516/IRC 216/1987/IRC-78/1983 using crusher broken hard granite course aggregate of 20mm. down graded.sizes & proportion as specified in clause-302.6.2 of IRC 21/1987 & IS-10262 & subject to mix design in conformity with the grading & proportion of different materials for concrete as specified in the relevant codes of approved quality, obtained from approved quarry & using minimum quantity of cement confirming to codal provision including hoisting, lowering & laying concrete in layers not exceeding 15cm thick compacting with vibrators watering & curing for 28 days including water tight steel centering , shuttering & form works finishing the exposed surface smooth providing beads & grooves wherever necessary including cost, conveyance royalties and all other taxes of all materials with all leads & lifts, cost of all labour T&P & machineries etc. required for the work including dewatering if necessary, complete in all respects as per direction of the Engineer-in-Charge but excluding cost, conveyance of tor steel & binding wire & labour charges for straightening, cutting, bending, binding welding & tying the grills lapping spacing etc. where ever necessary & hoisting & placing in position ( to be paid separately as required for RCC works) Well Curb

Well Steining

Providing PCC of grade M-20 concrete in well curb/Well steining as per approved drawing and technical specifications as per Section 900, 1000, 1200, 1500, 1700,2200 & 2700 of Ministry of Road Transport & Highways (5th Revision) & and as per direction of the Engineer-in-charge. Well Steining

RCC of design mix of M-300grade having specified characteristics compressive strength/ target mean strength of 300kg./cm2 in design mix with minimum quantity of cement as specified in IRC Code of 150 mm. cubes at 28 days curing after mixing & tests conducted in accordance with relevant clauses of IS 456/IS 516/IRC 216/1987/IRC-78/1983 using crusher broken hard granite course aggregate of 20mm. down graded sizes & proportion as specified in clause-302.6.2 of IRC 21/1987 & IS-10262 & subject to mix design in conformity with the grading & proportion of different materials for concrete as specified in the relevant codes of approved quality, obtained from approved quarry & using minimum quantity of cement confirming to codal provision including hoisting, lowering & laying concrete in layers not exceeding 15cm thick compacting with vibrators watering & curing for 28 days including water tight steel centering , shuttering & form works finishing the exposed surface smooth providing beads & grooves wherever necessary including cost, conveyance royalties and all other taxes of all materials with all leads & lifts, cost of all labour T&P & machineries etc. required for the work including dewatering if necessary, complete in all respects as per direction of the Engineer-in-Charge but excluding cost, conveyance of tor steel & binding wire & labour charges for straightening, cutting, bending, binding welding & tying the grills lapping spacing etc. where ever necessary & hoisting & placing in position ( to be paid separately as required for RCC works) WELL CAP

Abutment & Pier Shaft Above Bed

Column / Wing Wall / Tie Beam

Abutment & pier cap

Dirt wall

Superstructure

Approch Slab

Provision and Reinforced cement concrete crash barrier at thr bridge desk & approches to bridge structure, constructed with with reinforced cement concrete with HYSD Reinforcement conforming MoRth specification and as per detail given IRC - 5 including dowel bar, Expansion Joint filled with pre- moulded asphalt filler board etc. and approved drawing and at location directed by the engineer all as specified.

Providing & laying of wearing course of 56mm thick consisting of 6mm thick mastic asphalt and 50 mm thick asphaltic concrete on top of the Deck slab. The mastic asphalt shall be of paving grade bitumen meeting the requirement given in the table 500-39, prepared by using mastic cooker and laid to required level & slope after cleaning the surface, applying prime coat including providing antiskid surface with bitumen precoated fine grained hard stone chipping all complete as per clause 501, 502, 503 & 516 of MoRT&H Specification for road & bridge works (5th revision), followed by asphaltic concrete to be laid in two layers of 25mm thick each over tack coat etc complete as per approved drawing & technical specification Clause No 503 & 507 of MoRT&H specifications for road & Bridge work (5th revision) and as per direction of the Engineer-in-charge.

Providing HYSD bars confirming to approved grade F-415 including all labours for cutting ,bending, binding, lapping, splicing, welding etc. (conforming to ISI specification) & jointing if necessary by lapping & tying the grills & placing in position as required for RCC works as per the approved design, hoisting, lowering & laying position including cost & conveyance of tor steel & binding wires of 18 to 20 gauge(as to be approved by the Deptt.) etc. complete with Cess in all respect (weight of binding wire shall not be considered for payment at all which will be borne by the contractor) as per specification and direction of the Engineer in charge.

Providing weep holes in the abutment & wing walls 8.00cm. X 23.00cm. size including metal spall backing 30cm X 30cm. size in rear complete as per the approved design & drawing including providing centering & shuttering with cost, conveyance, royality & taxes of all materials T&P articles etc. complete in all respects as per specification & direction of the Engineer-in-Charge.

Back filling behind abutment, wing wall & return wall with granular material including all cost, carriage, royality & labour as per specification & direction of the Engineer-in-Charge.Granular Material

Random rubble hard granite stone masonry in clay or sand or gravel grouted in foundation and plinth Per 1 cum.

Providing 600mm thick filter media in the rear of abutment and wing walls with 5cm size and down graded hand broken granite metal of approved quality from approved quarry as per specification and direction of the Engineer-in-charge including cost, conveyance royalty and taxes of all materials T&P articles required for the work etc. complete.

Supplying and fixing of RCC Guard post of 150 mm dia and IM long in RCC (1:2:4) using 20mm down graded size h.g chips including all labours, materials ,carriage ,royality & taxes of etc. complete.

Providing fitting & fixing expansion joints with M.S. Angles 75mm. X 75 mm. X 6 mm. at the edges of the slab with suitable anchoring arrangements by 12mm. M.S. Bars as per MOST design & drawing including fitting, fixing & welding with 6 mm. plates & filling joints of wearing coat with bitumen joint filler 12 mm. thick & joint sealing compound at top including painting of exposed surface of M.S. covered plates with anticorrosive bitumanstic paint etc. with cost, conveyance taxes of all materials labour & T&P etc. complete in all respects as per specification & direction of the Engineer-in-Charge.

Supply and fixing of the POT / PTFE Bearing procured from approved manufacturer & with test certificates as per specification provided in drawing at location with all accessories complete & fixing on abutment and piers in position with all materials, labour, tools, equipment for fixing as per drawings and technical specifications part I/II, section 2000 & its relevant clauses & sub clauses of MoRTH specification for Road & Bridge works (4th revision) as directed by Engineer/or his representative to satisfaction.

Providing & Fixing drainage spout with 100mm dia GI pipe in deck slab with MS grating as per Clause-2705 under Section 900, 2700 of MORT&H specifications for Road & Bridge works (5th Revision) and as per direction of Engineer-in-Charge.

Providing Rough stone dry packing pitching in slope protection walls approns and revetments to designed thickness using hard granite stones of required size of approved quality from approved quarry including quarrying supplying conveying and cost conveyance taxes royalty of all materials including T P complete including filling the interstices with small stones by wedging and hammering finished to proper slope and level as per direction of the Engineer in charge including dewatering if required.

Providing and applying two coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescense and applying paint @ 1 litre per 02 Sqm etc complete as per derection of Engineer-in-charge.

Fixing anchor bars upto 28mm. dia to the founding level at rock strata as per approved design including cost, conveyance & all taxes of all materials and T&P required for the work but excluding cost of TS rod & labour charges for bending, binding, tying the grills & placing in position as per specification & direction of Engineer-in-Charge.

Dismetalling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonary, cement concrete, wood work, steel work, including T&P and scaffolding whereever necessary, sorting the dismentalled material, disposal of unserviceable material and stacking the serviciable material with all lifts and lead of 1000 m as per Technical Specification Clause 202.1

Clearing grass and removal of rubbish up to a distance of 50 mtr outside the periphery of the area and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness as per specification and as per the direction of Engineer in charge.

Construction of embankment with approved material obtained from borrow pits with all liifts and leads, transporting to the site by mechanical means within a lead of 05kms, spreading, grading to required slope and compacting to meet requirement of table 300-2 & clause 305 of MoSRT&H specifications for Road & Bridge works (04th Revision)

Loosening of the ground upto a level of 500 mm below the sub grade level, watered, graded and compacted in layers to meet requirements of table 300 - 2 for sub grade construction & clause 305 of MoSRT&H specifications for road & bridge works(4th revision).

Construction of granular sub-base by providing close graded granular sub base Grading III material as per table 401-1, spreading in uniform layer with moter 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 clause 401 of MoSRT&H Specification for Road & Bridge works (4 th Revision)

Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including pre mixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, laying in uniform layers with paver in subbase/base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per Clause 406 of MoSRT&H Specifications for Road & Bridge works (4th Revision).

Providing and applying primer coat with bitumen emulsion (SS) 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 as per Technical Specification Clause 502 of MOSRT&H including cost, conveyance, royalty, taxes of chips and bitumen & other required materials etc. complete and as per direction of Engineer-In-Charge.

Providing and laying tack coat with penetration grade of bitumen emulsion (RS) of 0.20 Kg per Sqm after scraping cleaning the road surface including cost, conveyance royalty of all materials, T&P labour, hire charges of machinaries etc. complete as per Technical Specification Clause 503 of MOSRT&H and as per direction of the Engineer in charge.

Providing and laying Bituminous Macadam with 100 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction

Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH spefn. clause No. 508 complete.

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

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