Const. of ICBP road from Bengtal Ouguri to Bikrampur village including Cross Drain works of the road under Chirang District, BTR for the year 2021-22. (TN_71_3)

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 materials to be used or auctioned, up to 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 (i) Private Land

Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement Table 300.2 with lead up to 1000 m as per Technical Specification Clause 303.1. (i) Private land

(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 achieve the desired density, complete as per Technical Specification Cl. 401. (ii) For Grading II Material.

3) WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr-III Providing, laying, spreading and compacting stone aggregate of specific size to WBM 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 Mnaul Means.

(A) Inter locking pavement block i) Providing and laying Interlocking concrete Block pavement (M30) having thickness 80mm as per technical specification clause 1504 complete including carriage. A) Including Edge block/Edge restraints.

A. Retro-reflectorised Traffic Signs. (1) 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 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450mm x 450mm x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 801. iv. 800mm x 600mm rectangular.

(B) CD Work: 1. HP Culvert 1000 mm 2. Box Culvert 2/44/0 1 No: (A) Type A (Concrete Cradle) Bedding (i) Laying concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105 (i)

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

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

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 50m, dressing of sides and bottom and back filling in trenches with excavated suitable material. I. Ordinary Soil Upto 3 m depth

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 50m, dressing of sides and bottom and back filling in trenches with excavated suitable material. V. Marshy Soil

Filling 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 (iii) PCC Grade M-20 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

Brick masonry work in cement mortar in foundation complete exculding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203 ii. Brick masonary in 1:4 cement mortar

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 specification clause 1000 and 1202.

Plastering with cement mortar (1:4) 15 mm thick on brick work in substructure as per technical specification clause 613.4 & 1204.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 B. With natural gravel IV. R.C.C.Grade M 25 (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 sub structrue 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 Clause 614, 709, 1204.3.7.

Back filling 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 M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3 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

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

Md Gafur