Recovery and Reconstruction of Sundarpur to Santipur Jengrai Road under NDRF (PDNA-2022) for the year 2025-26 under Jonai Territorial Road Division in Dhemaji District.

Embankment Construction with Material Obtained from Borrow Pits: Construction of embankment with approved material obtained from borrow pits with all lifts upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) From private land.

Granular Sub-base with coarse graded materials (Table : 400-1) : (A) By Mix in place Method: Construction of Granular Sub-base by providing coarse Graded Materials, spreading in uniform LAYER 1s with motor grader on prepared surface, mixing by mix in place method with rotovator at OMC and compacted with vibratory roller to achieve the desired complete as per cl. 401 (ii) For Grading i Material

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

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 (I) Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

RCC Box Culvert: (3 x 3m x 3m) at CH- 1100 m: Excavation for Structures:arthwork in excavation 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 soil (i)upto 3 m depth

Filling in Foundation Trenches as per Drawing & Technical Specification Clause 305.3.9 (I) Sand Filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203 (B) With Natural Gravel (II) P.C.C. Grade M15, Nominal Mix (1:2.5:5)

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 (IV) RCC Grade M20

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203 (B) With Natural Gravel (III) P.C.C. Grade M20, Nominal Mix (1:2:4)

Plain/reinforced concrete in sub-structure complete as per drawings and technical specifications Clauses 802, 804, 805, 806, 807, 1202 & 1204 (B) With Natural Gravel (II) P.C.C. Grade M20, (I)Nominal Mix (1:2:4)

Plain/reinforced concrete in sub-structure complete as per drawings and technical specifications Clauses 802, 804, 805, 806, 807, 1202 & 1204 (A) With Crushed Stone (IV) R.C.C. Grade M25, (I) For Height Upto 5 m

Providing and laying reinforced cement concrete in super-structure as per drawing and Technical Specification' clauses 800, 1205.4 and 1205.5 A) With crushed stone ii) RCC Grade M25 (a)Height upto 5m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/RINL) in foundation complete as per drawing and technical specifications clauses 1000 and 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/RINL) in sub-structure complete as per drawing and technical specifications clauses 1002,1005,1010 and 1202

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

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, 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.

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications (A) With Crushed Stone

Drainage Spouts complete as per approved drawing and Technical Specification

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification clauses 614,709,1204.3.7

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification clause 1204.3.8 (i) Granular material

Providing and Laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications clause 1301

Boulder apron laid in wire crates : Providing & laying boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS:280 & IS:4826 in 100mmX100mm mesh.(weaved diagonally) incldg.10% extra for laps and joints laid with stone boulder wieghting not less than 25 kg each as per drawing and technical specifications clause 1301

Construction of Return Wall and Curtain Wall in the existing damaged Culvert: Excavation for Structures:arthwork in excavation 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 soil (i)upto 3 m depth

Filling in Foundation Trenches as per Drawing & Technical Specification Clause 305.3.9 (I) Sand Filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203 (B) With Natural Gravel (II) P.C.C. Grade M15, Nominal Mix (1:2.5:5)

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203 (B) With Natural Gravel (III) P.C.C. Grade M20, Nominal Mix (1:2:4)

Plain/reinforced concrete in sub-structure complete as per drawings and technical specifications Clauses 802, 804, 805, 806, 807, 1202 & 1204 (B) With Natural Gravel (II) P.C.C. Grade M20, (I)Nominal Mix (1:2:4)

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification clauses 614,709,1204.3.7

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification clause 1204.3.8 (i) Granular material

Providing and Laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications clause 1301