Restoration of flood damaged road from Mothambil and Nasraibil to Dolgaon Road under SDRF for the year 2021-22 (Providing Earth work and GSB Works from Ch.350.00m to 1050.00m including construction of 3x3-5 Cell RCC Box Culvert).Pkg No.178_5

Amount

(A) Road Work: Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. (I) By Manual Means. (A) In area of non-thorny jungle.

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 to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5

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 303.1. (i) Private Land.

Construction of granular sub-base 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading-II Material.

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

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. (iv) 80 cm x 60 cm rectangular.

(B) CD Work: RCC Box Cell Bridge, Size=4.00 m x 4.00 m, 5 Cells, 1 No.: 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 soil (i) Upto 3.00 m depth

Fillling in foundation trenches as per drawing and 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 i) PCC Grade M-10 (i) Nominal Mix 1:2:4

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 iv) RCC Grade M-20

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in sub-structure complete as per drawing and technical specifications Clauses 1000 and 1202

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

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in sub-structure complete as per drawing and technical specifications Clauses 1002, 1005, 1010 and 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

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

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

Drainage spouts complete as per drawing and technical specifications Clause 1209

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.

Mehuel Wary

BHABENDRA WARY

Sanjit Kr. Mushahary

RENU BASUMATARY

RUSTAM BASUMATARY