Construction of H.L.Bridge over Local Nallah at 0.826 K.M on Nandapura to Mandiguda road in the District of Nabarangpur under SBY for the year 2024-25.

Dismantling of existing structures like culverts, bridges, retaining walls and other sturcture comprising of masonry, cement concrete wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable materials and stacking the serviceable materials with all lifts and lead of 1000m as per Technical Specification Clause 202

Earth work in cutting in all kind of soil within 50m initial leads &1.5m initial lifts includingrough dressing and breakingclods to max 5cm to 7cm and laying in layers not exceeding 0.3m in depth etc complete as per specification &direction of the Engineer-in-Charge .

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.

Labour of sinking single circular well caission/ crbwell of specified external diameter in all kinds of soil to lines levels & plumb by scooping out from inside the well & below the steining by chiselling, grabbing blasting (if required) etc, including cost of dredging chiseling, hammering, cutting with pick axes & crow bars, jack hammers or using any other modern devices for removing the rock i.e. methods of sinking inside rock strata, including cost of necessary tools & plants supply & work of pumps, dredgers & compressors, derrick, winches, cranes etc. bailings out of water & dredging removing all materials & obstacles from inside the wells by divers excluding pneumatic sinking with Air lock (however the use of exposives in removing & braking the rocks is probbited inside the well if steel, cladding has not been provided) & removing the materials & obstacles from inside the wells by divers & other mechanical devices inclusive of hire & running charges of all such machinery including materials & labour charges for providing kentledge

In all kinds of soil (Upto 10m. Depth)

a) For 7.5m dia abutment wells

b) For 6.5m dia. pier wells

Labour for sinking of R.C.C well sinking in soft rock (Non coring)/ Boulder/ Hard Soil )(wherein SPT>100) to lines levels & plum by scooping out from inside and below the steining including cost of hire and running charges of tools and plants and supplying & working of pumps bailing out of water and removal of all materials and obstacle from inside the well by divers etc. including precaution against shifting and lifting disposal of the soil with all leads and lift etc. complete as directed by the Engineer-in-charges.

a) For 7.5m dia abutment wells

b) For 6.5m dia. pier wells

Construction of R.C.C well sinking in soft rock to lines levels & plumb by scooping out from inside and below the steining including cost of hire and running charges of tools and plants and supplying & working of pumps bailing out of water and removal of all materials and obstacle from inside the well by divers etc. including precaution against shifting and lifting disposal of the soil with all leads and lift etc. complete as directed by the Engineer-in-charges.

a) For 7.5m dia abutment wells

b) For 6.5m dia. pier wells

Construction of R.C.C well sinking in Hard rock to lines levels & plumb by scooping out from inside and below the steining including cost of hire and running charges of tools and plants and supplying & working of pumps bailing out of water and removal of all materials and obstacle from inside the well by divers etc. including precaution against shifting and lifting disposal of the soil with all leads and lift etc. complete as directed by the Engineer-in-charges.

a) For 7.5m dia abutment wells

b) For 6.5m dia. pier wells

Earth work excavation in foundation in Hard and compacted sheet rock within all leads and lifts including shoring, shuttering, propping bullahs, piling, dewatering from the foundation, supply & working of pumps stacking the excavated material away from the work in site.

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). BOTTOM PLUGGING

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). Top PLUGGING

RCC of design mix of M-250 grade 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 vbrators watering & curing for 28 days including water tight steel centering , shuttering

Well Curb

Well steining

RCC Crash barrier of M40 Grade.

Plain Cement Concrete M 20 Grade using 20mm down graded chips in superstructure

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 vbrators watering & curing for 28 days including water tight steel centering , shuttering

Well Cap

Abutment & Pier Shaft

Wing Wall

Abutment & Pier caps

Dirt walls

Super structure

Approach Slab

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 of all complete as per clause 501, 502,503 & 516 of MoRT&H Specification for road & bridge work (5th revision), followed by asphaltic concrete to be laid in two layers of 25mm thick each 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. Wearing Coat - Mastic Asphalt

Supply of HYSD bars confirming to grade S-415 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 (weight of binding wire shall not be considered for payment at all which will be borne by the contractor (standard CO-efficient of different sizes of the steel shall be considered & welding & lapping should confirm to relevant clause of IRC-21/1987)

Providing and laying of filter media/ metal spall backing in the rear side of retaining wall,abutment etc using hard broken granite stone aggregate (50mm size) to the required thickness with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment and retaining wall / wing wall of bridge works etc to the full height compacted to a firm condition complete as per approved drawing and technical specifications as per Section 900 & 2500 of MoRT&H Specifications for Road & Bridge works (5th Revision) and as per direction of Engineer-in-Charge.

Providing weep holes in PCC/RCC structures such as abutments ,wing walls, protection walls of bridge work and retaining wall etc with 100mm dia A.C. / PVC pipe as per approved drawing and technical specifications as per Section 2200 & 2700 of MoRT&H Specifications for Road & Bridge works (5th Revision) and as per direction of Engineer-in-Charge.

Rough stone dry packing in aprons and revetments of desgned thickness on slope using 30cm and above size hard broken granite stones of approved quality free from weathering skin and from approved quarry including filling the interestices with small stones spalls etc. with cost, conveyance and royalty and with all leads and lifts and taxes of all materials and labour T&P etc. complete in all respects (the weight of each stone shall not be less than 50kg to 70kg) as per specification and direction of Engineer-in-charge.

Providing and filling with clean sand of approved quality in wells / foundation trenches of structures in uniform layers, watered and rammed/ compacted as per approved drawing and technical specifications complete in all respect as per Section 900, 2100 and Clause 401 & 304 of MoRT&H specifications for Road & Bridge works (5th Revision) & including cost & conveyance of all materials, labour, T&P, royalty etc complete and as per direction of Engineer-in-Charge.

In abutment/ pier wells with sand

Add for SBY Informatory sign board of 12' 0" x 8' 0" size

Providing and filling with granular material of approved quality in uniform layers, watered and rammed/ compacted as per approved drawing and technical specifications complete in all respect as per Section 900, 2100 and Clause 401 & 304 of MoRT&H specifications for Road & Bridge works (5th Revision) & including cost & conveyance of all materials, labour, T&P, royalty etc complete and as per direction of Engineer-in-Charge.

Providing and fixing R.C.C. of grade M-20 in guard posts of 600mm height and 15 cm diameter including cost of steel reinforcement for finished item of work as per approved drawing and technical specifications complete in all respect as per Section 800, 900, 1000, 1500, 1600 & 1700 of MoRT&H Specifications for Road & Bridge works (5th Revision) and as per direction of Engineer-in-Charge.

Providing, fitting and fixing strip seal expansion joints as per approved drawing and technical specifications as per Section 2600 of MORT & H Specifications for Road & Bridge works (5th Revision) and as per direction of the Engineer-in-charge.

Fixing of anchoring bars upto 25mm to 38mm dia in foundation rock in abutments and piers including drilling holes, fixing wedged anchors and grouting with cement mortar 1:4 complete as per the direction of Engineer in charge excluding cost of M.S. rods .

Levelling the hard rock surface under wells for piers, abutments & wing under water

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 vbrator ,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

Providing & fixing of POT-PTFE bearing procured from approved manufacturer & with test certificates as per specification provided in drawing at location with all accessories complete & fixing on piers in position with all materials, labour, tools, equipment for fixing as per drawings and technical specifications section 2000 & its relevant clauses & sub clauses of MoRT&H specifications for Road & Bridge works (5th Revision) and as per direction of the Engineer-in-Charge.

Providing C.I. grating to holes in deck slabs size upto 15 cm dia for drainage of water including cost of materials & T&P required for the work as directed by the Engineer-in-Charge.

Providing and applying two coats of Enamel paint over a coat of primer to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescense and applying paint @ 1 litre per 02 Sqm including cost of painting , all materials, T&P required for the work complete for the finished item of work as per technical specifications as per Section 800 of MoRT&H Specifications for Road & Bridge works (5th Revision) and as per direction of Engineer-in-Charge.

Construction of embnkment with approved material obtained from borrow pits with all lifts and leads. Transporting to site by mechanical means spreading, grading to required slope and compacting to meet requirement Specifications for Road & Bridge works (4th Revision)and as per the direction of engineer in charge.

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 subbase Grading-III material as per table 400-1, spreading in uniform layers with motor 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 Specifications for Road & Bridge works (4th Revision)

Providing, laying, spreading & 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 sub base/base course on well prepared surface & compacting with vibratory roller to acieve 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-1] on prepared surface of Granular base including cleaning of road surface & spraying primer @ 0.60kg/ 1.0 kg/sqm using mechanical means as per clause 502 of MORD Specification for Rural roads including cost,conveyance,royalty, taxes, labour and T&P required for the work and as per direction of Engineer-in charge.

Providing and applying tack coat with bitumen Emulsion [RS-1] using emulsion distributor @ 0.25 to 0.30 kg /sqm on the prepared granular surface treated with primer & cleaned with hydraulic broom as per clause 503 of MORD Specification for Rural roads including cost, conveyance, royalty, taxes, labour and T&P required for the work and as per direction of Engineer-in charge.

Providing & laying Bituminous Macadam with hot mix plant using crushed aggregates of specified grading premixed with bituminous binder of 60/70 penetration grade of bitumen, transported to site, laid over previously prepared surface with hydrostatic paver finisher with sensore control to the required grade, level & alingment & roling with smooth wheeled,vibratory & tandem rollers to achieve the desire compaction as per clause 504 of MoSRT&H Specifications for road and bridge works (4th Revision) Page-169 Item -45

Providing & laying Semi Dense Bituminous Concrete with batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder of 60/70 penetration grade of bitumen, transporting the hot mix to site, laying with a hydrostatic paver finisher with sensore control to the required grade, level & alingment, roling with smooth wheeled,vibratory & tandem rollers to achieve the desire compaction as per clause 508 of MoSRT&H Specifications for road and bridge works (4th Revision) Page -175 item - 47

Providing and filling with clean sand of approved for construction of drainage layer in uniform layers, watered and rammed/ compacted as per approved drawing and technical specifications complete in all respect as per Section 900, 2100 and Clause 401 & 304 of MoRT&H specifications for Road & Bridge works (5th Revision) & including cost & conveyance of all materials, labour, T&P, royalty etc complete and as per direction of Engineer-in-Charge.

Providing concrete for plain concrete of M-15 in open foundations complete as per drawings and technical specification clause 802, 803, 1202, 1203 of MORD Specification for Rural roads including cost, conveyance, royalty, taxes, labour and T&P required for the work and as per the direction of the Engineer-in-Charge IN FOUNDATION

Providing concrete for plain concrete of M-15 in open foundations complete as per drawings and technical specification clause 802, 803, 1202, 1203 of MORD Specification for Rural roads including cost, conveyance, royalty, taxes, labour and T&P required for the work and as per the direction of the Engineer-in-Charge IN SUB-STRUCTURE

Providing and laying reinforced cement concrete pipe (NP3) for culverts including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry work in head wall and parapets as per Clause 1106 of MORD Specification for Rural roads including cost, conveyance, royalty, taxes, labour and T&P required for the worketc complete and as per direction of Engineer-in-Charge. 1000 MM DIA Hume Pipe