Construction of RCC Box culvert at Hakma Village road in Kokrajhar District under the Head Grants to BTC infrastructure Dev. fund for the year 2023-24. (TN_90_10)

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. (I) By Manual Means (A) In area of non thorny jungle

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 1000 m as per Technical Specification Clause 303.1. (I) Private Land

Construction of granular by providing well graded tilaterial, spreading in uniform layors with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achiovothodosired density, complete as per Tochnical Specification Clause 401, (II) For Grading II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand 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. (A) By Manual Means

6.7 Providing and laying interlocking concrete block pavement (M-40 having thickness 80mm as per technical specification clause 1504 complete (inclusive Edge restrains and carriage).

16.60 Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering ,fixing the tree guatrd and maintaining the plants for three year.

10.2(A) 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 I ground level as per drawings and Technical Specification Clause 801 (ii) 800mm x 600mm rectangular

(ii) 600mm equilateral triangle

10.10 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 Kilometer Stone (Precast)

(iii) 200m stone (precast)

RCC BOX CELL BRIDGE SIZE= 4 cell X 4.00 M X 4.00M 11.1 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. I. Ordinary soil

11.2 Fillling 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 I. P.C.C grade M 10 (i) Nominal mix 1:3:6

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 IV. R.C.C grade M 20

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. P.C.C grade M 20 (i) Nominal mix 1:2:4

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. R.C.C. grade M 25 (i) For height up to 5m

11.7 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 drawings and technical

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

12.9 Providing weepholcs in brick masonry/stonc masonry, plain/reinforccd concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through thc full width of the structures with slope of towards drawing face complete as pct' drawing and technical specification

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

13.1 Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 B. With Natural Gravel III. R.C.C M 25 (a) Height up to 5m

13.3 Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent)) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

13.5 Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3 B. With Natural Gravel

13.6 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 I 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

14.9 Providing and laying curtain walls complete as per drawing and technical specification Clause 1304 III. Cement concrete grade M 10

13.10 Drainage Spouts complete as per drawing and Technical specification

Flexible Apron : Construction of flexible apron I m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.

BOULDER PROTECTION WORK 11.1 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. I. Ordinary soil (A) By Manual Means (I) Without dewatering (ii) 3m to 6m

3.4 Construction of embankment with approved material obtained from obtained from borrow pits with a lift up to 1.50m, transporting to site, spreading grading to required slope and compacting to meet requirement of Table 300.1 and 300.2 with lead up to 100m as per Technical Specification Clause 301.5 (I) Private Land.

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100Mm X 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

15.6 Providing and laying filter material underneath pitching in slopes complete as per Drawing and Technical Specification.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications (A) Stone/Boulder

DHILAN BASUMATARY