SDRF/Kokrajhar-II

Amount

(Part A) Restoration of flood damaged road on Gosaigaon Sapatgram road to Bamunigaon under SDRF for the year 2021-22 (Providing MT & BT in washout portion of road embankment including protection work with boulder from (Ch. 1490.00m to Ch. 1560.00m) Clearing and grabbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps 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 and not exceeding 150 mm in thickness.)as per technical specification clause no. 201 By Manual Means. A) In area of non thorny jungle

Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per technical specification Clause 303.1 (i) Private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification 401 (A) By Mix in placeMethod (I) for grading- II Material

WBM Grading 3 Using stone sceening Type- B 11.2mm for Gr. III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading II as per Technical Specification Clause 405. (A) By Manual Means.

WBM Grading 3 Using stone sceening Type- B 11.2mm for Gr. III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means.

Providing, applying primer coat with bitumen emulsion (SS-1)on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90-1.2 kg/sqm using mechnical means as per Technical Specification Clause 502.

Providing, applying tack coat with bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30kg per sq.m on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing, laying and rolling of open graded premix carpet of 20mm thickness composed of 13.2mm to 5.6mm aggregates either using penetration grade bitumen 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 three wheel 80-100KN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.Case-1 By Manual Means (i) Bitumen (S-90)

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels,grade and cross fall using Type A or Type B or Type C as per Technical Specification Clause 510.Case-1 By Manual Means (i) Bitumen (S-90)

Providing & laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mmx100mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighting not less than 25kg each as per drawing and technical specifications Clause 1301

Providing & laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

Providing & laying filter materials underneath pitching in slopes complete as per drawing and technical specifications Cl. 1302

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

(PART B) Restoration of flood damaged road on Gossaigaon Sapatgram road to Bamunigaon under SDRF for the year 2021-22 (Providing Earth Work and GSB Works including construction of RCC Box Cell Bridge Size 4x4=3 Cell)Part-II Clearing and grabbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps 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 and not exceeding 150 mm in thickness.)as per technical specification clause no. 201 By Manual Means. A) In area of non thorny jungle

Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per technical specification Clause 303.1 (i) Private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification 401 (A) By Mix in placeMethod (I) for grading- II Material

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

Excavation for Structures: Earth work in excavation for structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V. Marshy soil

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 , I. Sand filling

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203. B) With natural gravel II. PCC Grade M10 (i) Nomical Mix 1:3:6

Plain/reinforced concrete in substructure complete as per drawing and technical specification clause 802,804,805,806,807.1202 & 1204 .B. With natural gravel IV. RCC Grade M25 (i) For height upto 5m

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specification clause 800,1205.4 & 1205.5 .B. With natural gravel IV. RCC Grade M25 (i) For height upto 5m

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawing and technical specification clause 1002,1005,1010 & 1202

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in superstructure complete as per drawing and technical specification clause 1002,1005,1010 & 1203

Providing weepholes in brick masonary/stone masonary ,plain/reinforced concrete abutment,wing wall,return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(v):20(H) towards drawing face complete as per drawing and Technical Specifications Clause 614,709,1204.3.8.

Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8. A) Granular material

Providing and laying Cement concrete wearing course M-30 grade including reinforcement complete as per drawing and Technical Specifications Clause 800 and 1206. A) With crushed stone

Construction of RCC railing of M25 Grade in cast in situ with 20mm 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 adequate space between vertical post for expansion, complete as per approved drawings and technical specifications clause 800,900 and

Drainage spouts complete as per drawing and technical specification clause 1304(iii)Cement concrete grade M10

Providing and laying Curtain walls complete as per drawing and Technical Specifications Clause1304 III) Cement concrete grade M10

Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 25 kg beyand curtain wall.

Providing pressure relief pipes 100mm dia in bottom slab of Box cell on a filter media base of 500mmx500mm as per drawing and Technical Specifications Clause1205.5.7 III) Cement concrete grade M10

(Part C) Restoration of flood damaged road on Mukuldanga No. 1 to Harinpur village road under SDRF(FDR) for the year 2021-22 (Providing Guide Bundh from 1600.00m to Ch. 1680.00m including Boulder Protection work) Part-I Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Providing & laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mmx100mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighting not less than 25kg each as per drawing and technical specifications Clause 1301

Providing & laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

Providing & laying filter materials underneath pitching in slopes complete as per drawing and technical specifications Cl. 1302

(Part D) Restoration of flood damaged road on Mukuldanga No. 1 to Harinpur village road under SDRF(FDR) for the year 2021-22 (Providing Earth work in erosion portion of road embankment from Ch. 1680.00m to Ch. 1780.00m including Boulder Protection work) Part-II Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Providing & laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mmx100mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighting not less than 25kg each as per drawing and technical specifications Clause 1301

Providing & laying filter materials underneath pitching in slopes complete as per drawing and technical specifications Cl. 1302

Providing & laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

(Part E) Restoration of flood damaged road on Shoulmari PMGSY road to Narenguri village road under SDRF for the year 2021-22 (Conversiuon of damaged HPC into RCC Box Cell Bridge at 1st Km including Earth Work and GSB Works from Ch. 0.00m to 800.00m). Part-I. Clearing and grabbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps 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 and not exceeding 150 mm in thickness.)as per technical specification clause no. 201 By Manual Means: In area of light jungle

Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per technical specification Clause 303.1 (i) Private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification 401 (A) By Mix in placeMethod (I) for grading- II Material

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as pert IRC:8 fixing in position includeing painting printing, etc as per drawing and Technical Specification Clause 1703 (ii) Ordinary kilometre stone(Precast)

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

Excavation for Structures: Earth work in excavation for structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil , upto 3m depth

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9, I. Sand filling

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203. B) With natural gravel II. PCC Grade M15 (i) Nomical Mix 1:3:6

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203.B. With natural gravel II. PCC Grade M20 (i) Nomical Mix 1:2:4

Plain/reinforced cement concrete in substructure complete as per drawing and technical specification clause 802,804.805,806,807,1202 & 1204. B. With natural gravel II. PCC Grade M25 (i) Height up to 5m

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawing and technical specification clause 1002,1005,1010 & 1202

Providing and laying Cement concrete wearing course M-30 grade including reinforcement complete as per drawing and Technical Specifications Clause 800 and 1206. A) With crushed stone

Providing weepholes in brick masonary/stone masonary ,plain/reinforced concrete abutment,wing wall,return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(v):20(H) towards drawing face complete as per drawing and Technical Specifications Clause 614,709,1204.3.8.

Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8. A) Granular material

Providing and laying Curtain walls complete as per drawing and Technical Specifications Clause1304 III) Cement concrete grade M10

Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 25 kg beyand curtain wall.

(Part F)Restoration of flood damaged road on Shoulmari PMGSY road to Narenguri village road under SDRF for the year 2021-22 (Construction of RCC Box Cell Bridge in breached portion of 2nd Km including Earth Work and GSB Works from Ch.1100.00m to Ch.1410.00m) Part-III , Clearing and grabbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps 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 and not exceeding 150 mm in thickness.)as per technical specification clause no. 201 By Manual Means. A) In area of non thorny jungle

Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per technical specification Clause 303.1 (i) Private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification 401 (A) By Mix in placeMethod (I) for grading- II Material

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

Kilo Metre Stone (Reinforced cement concrete M15grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc) (ii) Ordinary Kilometer stone (Precast)

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Excavation for Structures: Earth work in excavation for structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V. Marshy soil

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 , I. Sand filling

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203. B) With natural gravel II. PCC Grade M10 (i) Nomical Mix 1:3:6

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203. B) With natural gravel II. PCC Grade M20 (i) Nomical Mix 1:2:4

Providing and laying reinforced cement concrete in substructure complete as per drawing and technical specification clause 802,804,805,806,807 ,1202. & 1204 .B. With natural gravel IV. RCC Grade M25 (i) For height upto 5m

Providing and laying reinforced cement concrete in superstructure complete as per drawing and technical specification clause 800,1205.4 and 1205.5, .B. With natural gravel IV. RCC Grade M25 (i) For height upto 5m

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawing and technical specification clause 1002,1005,1010 & 1202

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in superstructure complete as per drawing and technical specification clause 1002,1005,1010 & 1203

Providing weepholes in brick masonary/stone masonary ,plain/reinforced concrete abutment,wing wall,return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(v):20(H) towards drawing face complete as per drawing and Technical Specifications Clause 614,709,1204.3.8.

Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8. A) Granular material

Providing and laying Cement concrete wearing course M-30 grade including reinforcement complete as per drawing and Technical Specifications Clause 800 and 1206. A) With crushed stone

Construction of RCC railing of M25 Grade in cast in situ with 20mm 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 adequate space between vertical post for expansion, complete as per approved drawings and technical specifications clause 800,900 and

Drainage spouts complete as per drawing and technical specification clause 1304(iii)Cement concrete grade M10

Providing and laying Curtain walls complete as per drawing and Technical Specifications Clause1304 III) Cement concrete grade M10

Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 25 kg beyand curtain wall.

Providing pressure relief pipes 100mm dia in bottom slab of Box cell on a filter media base of 500mmx500mm as per drawing and Technical Specifications Clause1205.5.7 III) Cement concrete grade M10

(Part G) Restoration of flood damaged road from Kachugaon Sonkosh Road to Bangtijhora Road under SDRF for the year 2021-22 (Providing Earth Work and GSB Works from Ch.0.00m to1200.00m including construction of 2x2=2Cell RCC Box Culvert) Clearing and grabbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps 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 and not exceeding 150 mm in thickness.)as per technical specification clause no. 201 By Manual Means. A) In area of non thorny jungle

Construction of embankment with Material Obtained from Borrow Pits(Construction of Embankment with approved materials obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300.1 and 300.2 with a lead upto1000m. as per technical specification Clause 301.5 (i) Private land

Construction of Sub grade and Earthen Shoulders (Construction of Sub grade and Earthen Shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table 300.2 with lead upto 1000m as per technical specification Clause 303.1 (i) Private land

Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2):( Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification 401 (A) By Mix in placeMethod (I) for grading- II Material

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as pert IRC:8 fixing in position includeing painting printing, etc as per drawing and Technical Specification Clause 1703 (ii) Ordinary kilometre stone(Precast)

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as pert IRC:8 fixing in position includeing painting printing, etc as per drawing and Technical Specification Clause 1703 (ii) Ordinary kilometre stone(Precast)

Providing and fixing of retro-reflectorised cautionary, mandatary and informatory sign as per IRC 67 made of encapsulated lens type reflective sheeting vide clause 1701.1.3 fixed over aluminium sheeting , 1.5mm thick supported on a mild steel angle iron post 75mmx75mmx6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concreate 450mmx450mmx600mm, 600mm below ground level as per drawings and Technical Specification Clause 801 (iv) 80cmx60cm rectangular

Excavation for Structures: Earth work in excavation for structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V. Marshy soil

Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 , I. Sand filling

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203. B) With natural gravel II. PCC Grade M10 (i) Nomical Mix 1:3:6

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802,803.1202 & 1203.B. With natural gravel IV. RCC Grade M20

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in foundation complete as per drawing and technical specification clause 1000 and 1202.

Plain/reinforced concrete in substructure complete as per drawing and technical specification clause 802,804,805,806,807.1202 & 1204 .B. With natural gravel IV. RCC Grade M25 (i) For height upto 5m

Supplying, fitting and placing uncoated TMT(Fe-500D) reinforcement bar (other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawing and technical specification clause 1002,1005,1010 & 1202

Providing weepholes in brick masonary/stone masonary ,plain/reinforced concrete abutment,wing wall,return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(v):20(H) towards drawing face complete as per drawing and Technical Specifications Clause 614,709,1204.3.8.

Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8. A) Granular material

Providing and laying Cement concrete wearing course M-30 grade including reinforcement complete as per drawing and Technical Specifications Clause 800 and 1206. A) With crushed stone

Construction of RCC railing of M25 Grade in cast in situ with 20mm 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 adequate space between vertical post for expansion, complete as per approved drawings and technical specifications clause 800,900 and

Drainage spouts complete as per drawing and technical specification clause 1304(iii)Cement concrete grade M10

Providing and laying Curtain walls complete as per drawing and Technical Specifications Clause1304 III) Cement concrete grade M10

Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 25 kg beyand curtain wall.

TAMESWAR BASUMATARY

Arjun Saha

RAJU CHANDRA BASUMATARY