Improvement of Road from Singarajaan to Kalmouguri under Gohpur Civil Sub Division Territorial Road Division of Biswanath District. Gohpur LAC, under SOPD-G, 2025-26. Package No. SBRC/GOH/2025-26/03

Amount

Heavy dressing of the existing road including dressing high spots and filling low spots, cambering, watering, rolling with 8 to 10 tonne roller to obtain a specified compaction etc. to obtain a uniform formation surface with cross fall from the road centre line to the outer shoulder edge with allowance, made for required quantity of shoulder materials to remain in place to contain the new gravel layer. Works to be carried out in accordance with Technical Specification and as directed by the Engineer.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) 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 compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303. (i) Private Land

Construction of granular surface course by providing well 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 three wheel 80-100 kN static roller capacity to achieve the desired density, complete as per Technical Specification Clause 402

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

Direction and Place Identification signs upto 0.9 sqm size board 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

Excavation for Structures Earthwork 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 materials, I. Ordinary soil Upto 3 m depth

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 P.C.C grade M 10

Beeding of Pipe (ii) Type B (First Class beeding) Laying First Class Beeding on well compacted sand, moorum or approved granular materials

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing & technical specifications. A. with crushed stone III.PCC M-20 grade (1:2:4) Hand mixed.

Providing & Laying reinforced cement concrete pipe NP-3 for culverts on 1st class bedding of granular material in single row including fixing coller with cement morter 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works (B)1000 mm dia

Providing & Laying reinforced cement concrete pipe NP-3 for culverts on 1st class bedding of granular material in double row including fixing coller with cement morter 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works (B)1000 mm dia

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 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 R.C.C Grade M20

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A With Crushed stone III RCC Grade M 20 i) For height upto 5 m

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

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

Providing and laying filter media with granular crushed aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and technical Specification.

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 I Granular material

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3 A With crushed stone

Reinforced Cement Concrete M 25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications Clauses 800 and 1211 A With crushed stone

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical railing post not to exceed 1 in 500, centre-to-centre spacing between vertical posts not to exceed 2000 mm as per drawing and technical specifications Clauses 800, 900 and 1208.3

Filler Joint ii Providing and fixing 20 mm thick compressible fibre board in expansion joint complete as per drawing and technical specifications

Drainage spouts complete as per drawing and technical specifications Clause 1209

Dhruba Jyoti Saikia (BID ID -280619)