Construction of 1 No.RCC Box Culvert at Amlaiguri village under Borobazar VCDC under SOPD, BTC for the year 2023_24 of Chirang District, Assam.TN_376

Amount

Clearing and grubbing of road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm removal of stumps of tress cut earlier and disposal of unserviceable materials & stacking of serviceable material 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

Construction of Embankment with material approved materials obtained from borrow pits, with a lift up to 1.5m, transporting to site spreading, grading to required slope and compacted to meet requirement of tables 300.1 and 300.2 with a lead upto 1000m as per technical specification clasue 301.5. By Mechanical Means, 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 of table 300.2 with lead upto 1000m as per technical specification clause 303.1 (i) Private land

Construction of granular sub-base by providing close graded material, spreeding in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per Technical Specification clause 401. (ii) For Grading II Material

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 not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600mm, 600mm below ground level as per approved drawing and Technical Specification Clause 1701.

Planting of Trees and their Maintenance for three year (Planting of trees by the road side (Avenue trees) in 0.60m dia holes, 1m 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.

Providing and laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mm x 100mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications clause 1301.

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications clause 1302. (i) Boulder.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications clause 1302.

(a) RCC Guard Post: Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. (a) 15cm dia RCC guard post with reinforcement of 4 nos. 12mm dia TMT main steel bars and 6mm TMT/MS stirrups at15 cm c/c.

Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. Apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm centre to centre and placed over 20cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mm x 100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department.

RCC Box Cell Bridge 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 50m dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary soil

Sand Filling in foundation trenches as per drawing and Technical Specification 305.3.9

PCC 1:3:6 in foundation. Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203. A. With crushed stone. I. P.C.C grade M10 (i) Nominal mix 1:3:6

PCC 1:2:4 in foundation. Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203. A. With crushed stone. III. P.C.C grade M20 (i) Nominal mix 1:2:4

Plain/Reinforced cement concrete in sub-structure complete as per drawing and technical specifications clauses 802, 804, 805, 806, 807, 1202 & 1204. A. With Crushed stone iv) RCC Grade M25 (i) Height up to 5m

Providing & laying reinforced cement concrete in superstructure complete as per drawing and technical specifications clauses 800, 1205.4 and 1205.5 A. With crushed stone iv) RCC Grade M25 a) Height upto 5M

Construction of RCC railing of M25 grade, cast-in-situ with 20mm nominal size aggregate, true to line and grade, tolerance of vertical railing post not to exeed 1 in 500, centre to centre spacing between vertical posts not to exceed 2000mm as per drawing and technical specifications cluases 800, 900 and 1208.3

Supplying, fitting and placing TMT (Fe-500D) reinforcement bar (From primary producer: TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/RINL) in sub structure complete as per drawings and technical specifications clauses 1002, 1005, 1010 & 1202.

Supplying, fitting and placing TMT (Fe-500D) reinforcement bar (From primary producer: TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/RINL) in super structure complete as per drawing and technical specifications clauses 1002, 1010 & 1202.

Providing and laying cement concrete wearing course M30 grade including reinforcement complete as per drawing and technical specifications clauses 800 and 1206.3 A. With crushed stone

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 structures with slope of 1(V): 20(H) towards drawing face complete as per drawing and technical specification clauses 614, 709, 1204.3.7

Back filling behind abutment, wing wall and return wall complete as per drawings and technical specification clause 1204.3.8

Providing and laying curtain walls complete as per drawing and Technical Specifications clause 1304. iii) Cement concrete grade M10

Drainage spouts complete as per drawing and technical specifications clause 1209.

Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 25 kg beyond curtain wall.

Providing pressure relief pipes 100mm dia in bottom slab of box cell on a filter media base of 500mm x 500mm as per drawing and technical specification cl. 1205.5.7

P.C.C. M15 ordinary grade (1:2.5:5) levelling course below approach slab complete as per drawing and technical specifications clauses 800 and 1211. (A) With crushed stone (i) Nominal Mix. (1:2.5:5)

Reinforced cement concrete M25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications clauses 800 and 1211 etc. (A) With Crushed stone

Painting two coats including primer coat after filling the surface with synthetic enamal paint all shades on new, plastered/concretes surfaces as per drawing and technical specification clause 1701.

DHARAMSING NARZARY (BID ID -264848)

PINKU NARZARY (BID ID -264849)