Construction of RCC Box Culvert No.2/1 on Kazigaon Bashbari Road to Monglajhora under the Head Grants to BTC for Infrastructure Development Fund for the year 2023-24. (TN_90_15)

Amount

2.2 Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees cut earlier and disposal of unserviceable materials to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm 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 pita 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

3.14 Construction of Sub grade and earthen shoulders with approved material obtained from borrow pits with all lift and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead up to 1000m as per Technical Specification Cause 300.1 (i) Private land

4.1(A) Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on on prepared surface, mixing by mix in to place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (l) For Grading II Material.

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

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

16.6 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 manure, planting the saplings, backfilling the trenches, watering fixing the tree guatrd and maintaining the plants for three year

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, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm frmly fixed to the ground by means of properly designed foundation with Ml5 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 600mm equilateral triangle

ii 800mm x 600 mm rectangular

10.10 Reiforced 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)

ii) 200m Stone (precast)

RCC BOX CELL BRIDGE OF SIZE : 8 CELL X 5.00 M X 5.00 M 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 n lead of 50 m, dressing of sides nod bottom and backfilling in trenches with excavated suitable material. I. Ordinary Soil

11.2 Fillling in foundation trenches 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 specification clause 802, 803, 1202 & 1203 B. With natural gravel l. P.CC M 10 IV. 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. RCC grade M 20

11.4 Providing concrete for plain/reinforced concrete in open foundations complete as per drawings md 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 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

11.7 Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser steel/ Jmdal steel/Shyamsteel/ 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 substructure complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

12.9 Providing weepholes in brick masonry/stonc masonry, plam/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of towards drawing face complete as per drawing and technical specification Clause 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

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 II. 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 md 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 Consuuction 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 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 Spout complete as per drawing and Technical specification

Flexible Apron :Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.

BOULDER PROTECTION 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

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

14.6 Providing and laying filter material underneath pitching in slopes complete as per drawing and Technical Specification Clause 1302.

Providing and laying boulder pitching on slopes laid over prepared filter media as per drawing and Technical Specification Clause 1302 Stone/ Boulder

TAPAN KUMAR BASUMATARY