Construction of road from Adola Kasibari Bridge to Amjuli Ghagra PWD connecting Road under CMs Goodwill Mission Project for the financial year 2023-24 of District Udalguri. (TN_26_145)

Amount

2.2 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. By Manual Means, In area of non thorny jungle.

2.13 Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works Specification Clause 202. Upto 600 mm dia Hume pipe

Above 600 mm to 900 mm dia Hume pipe

2.5 Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of brick masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (b) Cement mortar

3.4 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 (i) Private Land.

3.14 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 1000m as per technical Specification Clause 303.1 (i) Private Land.

4.1 (A). 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 achived the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material.

4.7.III. Providing, laying, spreading and compacting stone aggregate of specific sizes to water bound macadam specification including spreading in uniform thickness, and packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. By Manual Means.

6.7(A) (i) Providing and laying interlocking concrete Block pavement with M40 grade of concrete Blocks having thickness 80mm as per Technical Specification clause 1504 complete including carriage. Including Edge block/Edge restraints.

10.2.A.I 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, 1.5mm thick supported on a mild steel angle iron post 75mm X 75mm X 6mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mm X 450mm X 600mm, 600mm below ground level as per drawings and Technical Specification Clause 801. 600mm equilateral triangle

600mm circular.

800mm X 600mm rectangular

10.4.A (I). 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, 2mm thick with area exceeding 0.9 sqm supported on mild steel angle iron post 75mm X 75mm X 6mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450mm X 450mm X 600mm, 600mm below ground level as per approved drawing and Technical Specification Clause 1701.

14.2 Providing and laying of boulder apron laid in wire creates with4mm dia GI wire conforming to IS : 280 and IS: 4826 in 100mm X 100mm mesh (woven diagonally) including 10 percent extra for laps and joints laid with stone boulders weighing not less than 25 Kg each as per drawing and technical specifications Clause 1301.

600mm dia HPC (3 Nos) 9.1 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 material. 1. Ordinary soil, (i) Upto 3 m depth

9.7 Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109. B. With natural gravel, I. P.C.C grade M 10, (i) Nominal mix 1:3:6

9.2 bedding for Pipe (i)Type A (Concrete Cradle) Bedding Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i)

9.3 Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 600 mm dia.

9.8 Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604, 1202 & 1204. I. In 1:3 Cement mortar.

9.11 Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification.

1000mm dia HPC (2 Nos) 9.1 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 material. 1. Ordinary soil, (i) Upto 3 m depth.

9.7 Plain Cement Concrete M10 (1:3:6 nominal mix) in levelling course below open foundation of Head walls as per drawings & Technical Specification Clause 1109. B. With natural gravel, I. P.C.C grade M 10, (i) Nominal mix 1:3:6

9.2 bedding for Pipe (i)Type A (Concrete Cradle) Bedding Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i)

9.3 Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 1000 mm dia.

9.8 Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604, 1202 & 1204. I. In 1:3 Cement mortar.

9.11 Plastering with Cement Mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification.

(4 Cell 4X4 RCC Box Cell Culvert) 11.1 Earthwork in excavation for structure as per drawing and thechnical 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 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V. Marshy soil.

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

11.4 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. III. PCC Grade M20, Nominal mix (1:2:4)

11.4 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. III. PCC Grade M20.

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

12.5 Plain/reinforced cement concrete in substructure 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 upto 5m.

12.7 Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in substructure complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202.

12.9 Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100mm dia AC pipe extending through the full width of the structure with slope of 1(V) : 20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

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

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

13.6 Construction of RCC railing of M25 grade in cast-in-situ with 20mm 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 2000mm as per drawing and technical specifications Clause 800, 900 and 1208.3

13.10 Drawings spouts complete as per drawing and technical specification Clause 1209.

14.9 Providing and laying curtain walls complete as per drawing and technical specification Clause 1304. iii. Cement concrete grade M10

14.10 Construction of flexing apron 1 m thick comprising of loose stone boulders weighing not less then 25 Kg beyond curtain wall

NELSON BASUMATARY

Sri Minon Mochahari