Restoration of flood damaged road Simbargaon (Duramari) to Dakhin Duramari from Ch.0.64 KM to Ch.1.74 KM (L-1.10 KM) including CD Works under SDRF for the year 2021-22. Pkg No.177_1

Amount

(A) Road Work: Construction of embankment with approved material approved materials obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacted to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5. By Mechanical Means, Private Land.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 (i) Private Land.

Construction of granular sub-base by providing close 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 vibratory roller to achieve the desired density, complete as per Clause 401. (ii) For Grading II Material.

Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701.

(B) Cd Work: RCC Box Cell Culvert, Size=2.00m x 2.00m, 1 Cell, 1 Nos. Earthwork in excavation of foundation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soi (i) Upto 3.00 m depth

Sand Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9

PCC 1:3:6 in foundation Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. A. With crushed Stone i) PCC Grade M-10 (i) Nominal Mix 1:3:6

PCC 1:2:4 in foundation Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. A. With crushed Stone iii) PCC Grade M-20 (i) Nominal Mix 1:2:4

Plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204. A. With crushed Stone iv) RCC Grade M-25 (i) height up to 5m

Providing and laying reinforced cement concrete in superstructure complete as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 A. With crushed Stone iv) RCC Grade M-25 (i) height up to 5m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing and laying cement concrete wearing course M30 grade including reinforcement complete as per drawing and technical specifications clause 800 and 1206.3 A. With Natural Gravel

Providing weepholes in brick masonry/stone masonry, 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 specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8. A. Granular Materials

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304. iii) Cement concrete grade M-10

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

Painting two coats including primer coat after filling the surface with synthetic enamel paint in all shades on new, plastered / concrete surfaces as per drawing and Technical Specification Clause 1701.

(C)) Cd Work: RCC Box Cell Culvert, Size=1.00m x 1.00m, 1 Cell, 1 Nos. Earthwork in excavation of foundation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soi (i) Upto 3.00 m depth

Sand Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9

PCC 1:3:6 in foundation Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. A. With crushed Stone i) PCC Grade M-10 (i) Nominal Mix 1:3:6

PCC 1:2:4 in foundation Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. A. With crushed Stone iii) PCC Grade M-20 (i) Nominal Mix 1:2:4

Plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204. A. With crushed Stone iv) RCC Grade M-25 (i) height up to 5m

Providing and laying reinforced cement concrete in superstructure complete as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 A. With crushed Stone iv) RCC Grade M-25 (i) height up to 5m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing and laying cement concrete wearing course M30 grade including reinforcement complete as per drawing and technical specifications clause 800 and 1206.3 A. With Natural Gravel

Providing weepholes in brick masonry/stone masonry, 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 specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8. A. Granular Materials

Providing and laying curtain walls complete as per drawing and technical specification Clause 1304. iii) Cement concrete grade M-10

Painting two coats including primer coat after filling the surface with synthetic enamel paint in all shades on new, plastered / concrete surfaces as per drawing and Technical Specification Clause 1701.

DHILAN BASUMATARY