Construction of RCC slab culvert no 1/1 on Amver Amrigog Road at 12th mile near Bornihat for flood mitigation under SOPD G for the year 2022-23.

Amount

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. Ordinary soil.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203. P.C.C grade M 10

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203. P.C.C grade M 15

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204. RCC Grade M 25

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5. R.C.C grade M 25

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 fillling joint sealing compound as per drawings and technical specifications with coarse sand and 6 per cent bitumen by weight.

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 Clauses 614, 709, 1204.3.7

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3. With crushed stone

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302. Stone/Boulder

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

Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and technical specifications Clause 1301

Painting two coats including primer coat after filling the surface with synthetic enamel paint in all shades on new plastered / concrete surface as per drawing and Technical surface clause 1701.

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 p g to meet requirement of Tables 300.1 and 300.2 with a lead upto1000 m as per Technical Specification Clause 301.5. Private land

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.

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. 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. By Manual Means

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. Including Edge block/ Edge restraints

Joy Charan Barman