Construction/Improvement of Hagrabari to Gadhuligaon road under SOPD-G for the year 2019-20, Chapaguri LAC

Amount

(A) Road Work: Clearing & grubbing and cutting Clearing and grubbing road land including uprooting wild vegetation, grass, bush, shurubs, saplings and trees of girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material 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. i) By Manual Means. A) In area of non thorny jungle.

Loosening of the ground upto a level of 300mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2

Construction of embankment with material obtained from borrow pits, Construction of embankment with material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet required of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause. a) Private Land

Construction of sub-grade and earthen shoulders 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 compacting to meet required of Table 300.2 with lead upto 1000 m as per Technical Specification Clause. (a) Private land

A) By Mix in Place Method-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 Clause 401. (ii) For Grading Material (Gr-II)

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 2 as per Technical Specification Clause 405. (A) By Manual Means Using Stone Screening Type-B 11.2mm for Gr.III

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carraige.

Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC: 67 made of encapsulated lens type reflective sheeting vide clause 170.1.2.3 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 M-15 grade cement concrete 450mm x 450mm x600mm, 600mm below ground level as per approved drawings and Technical Specification Clause 801. (i) 60cm equilaterial triangle.

Reinforced cement concrete M-15 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)

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

(B) CD Work: HP.Culvert, 3 Nos. Earth work in excavation of foundation of structure as per drawing and technical specification Clause 305.1 includding 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 . (i) Upto 3.00 M depth

PCC M-15 in Foundation Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specification clause 802, 803, 1202 & 1203. A. With crushed stone II. PCC Grade M-10 Nominal Mix (1:3:6)

Bedding for Pipe Laying concrete cradle bedding with M-15 Grade Cement Concrete as per clause 1105 (i)

Providing concrete for Plain/reinforced concrete in sub structure complete as per drawings and technical specification Clauses 802, 803, 1202 & 1203. A. With Crushed Stone II. PCC grade M-20

Plastering Plastering with cement mortar (1:4), 15 mm thick on brick work in substructure as per technical specification rate.

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

(C) CD Work: Cost of 1.50 M Slab Culvert, 1 No: Construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50m, dressing sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary Soil . (i) Upto 3.00 M depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specification clause 802,803,1202 & 1203. A. With crushed stone I. PCC Grade M-10 Nominal Mix 1:3:6

Plain/Reinforced cement concrete, in sub structure complete as per drawings and technical specification clauses 802, 804, 805, 806, 807, 1202 and 1204. A. With Crushed Stone I. PCC Grade M-15 I. Nominal Mix (1:2.5:5)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications clause 800, 1205.4 and 1205.5. A. With crushed stone I. PCC Grade M-20 (iii) For design mix RCC M20

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

Providing weep holes 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.

Drainage spouts complete as per drawing and technical specifications Clause 1209

Providing and laying of filter media with granular crushed aggregates as per specification to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall and return wall to the full height, compacted to firm condition complete as per drawing and technical specification clause 1204.3.8

Supplying, fitting and placing TMT bar reinforcement (Fe 500) in sub structrue complete as per drawings and technical specification clauses 1002, 1005, 1010 & 1202.

(D) CD Work: Cost of 3.00 M Slab Culvert, 1 No: Construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50m, dressing sides and bottom and backfilling in trenches with excavated suitable material. I. Ordinary Soil . (i) Upto 3.00 M depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specification clause 802,803,1202 & 1203. A. With crushed stone I. PCC Grade M-10 Nominal Mix 1:3:6

Plain/Reinforced cement concrete, in sub structure complete as per drawings and technical specification clauses 802, 804, 805, 806, 807, 1202 and 1204. A. With Crushed Stone I. PCC Grade M-15 I. Nominal Mix (1:2.5:5)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications clause 800, 1205.4 and 1205.5. A. With crushed stone I. PCC Grade M-20 (iii) For design mix RCC M20

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

Providing weep holes 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.

Drainage spouts complete as per drawing and technical specifications Clause 1209

Providing and laying of filter media with granular crushed aggregates as per specification to a thickness of not less than 600mm with smaller size towards the soil and bigger size towards the wall and providing over the entire surface behind abutment, wing wall and return wall to the full height, compacted to firm condition complete as per drawing and technical specification clause 1204.3.8

Supplying, fitting and placing TMT bar reinforcement (Fe 500) in sub structrue complete as per drawings and technical specification clauses 1002, 1005, 1010 & 1202.

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

Pradip Narzary

GWMSRANG BASUMATARY