SBRC/TB/SDRF/02/RAN/2022-23

Amount

Dismantling of Structures Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. By mechanical means b) Reinforced Cement Concrete

Dismantling Brick/Tile Work Dismantling of existing structures like culverts, bridges, retaining walls and other structures comprising of brick masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specification Clause 202. (b) Cement mortar

RCC Box Culvert :- Excavation for Structures 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 Upto 3 m depth

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A) Granular material

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specifications Clause 802, 803, 1202 & 1203. A. With crushed stone. I) PCC grade M 10 Nominal mix 1:3:6

Providing PCC/RCC Concrete in Open Foundation Providing concrete for PCC/RCC in open foundations complete as per drawing and technical specifications clause 802, 803, 1202 & 1203 A) with crushed stone II) PCC grade M15 i) Nominal mix 1:2.5:5

Plain and reinforced cement concrete in substructure complete as per drawing and technical specification clauses 802, 804, 805, 806, 807 and 1204 A. with crushed stone III) RCC grade M20 (i) For height up to 5 m.

Plain/reinforced cement concrete in substructure complete as per drawing and technical specification clauses 802, 804, 805, 806, 807 and 1204 A. with crushed stone II) PCC grade M20 (i) Nominal mix (1:2:4)

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

Providing weep holes in brick masonry/stone masonry, plain/reinforced concrete abutment, wingwall, returnwall with 100 mm dia AC pipe extendeing through the full width of the structures with slope of 1(V) : 20 (H) towards drawings 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 & technical specification clauses 1204.3.8 ii) Sandy material.

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.

Construction of RCC Railing of M-25 grade in cast in situ with 20 mm nominal size aggregate true to the 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 clauses 1209.

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

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.

Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per cl. 401 (Including cost of testing of materials at site and laboratory as directed by the deptt.)

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate, watering and compacting to the reqd. density (with an initial lead of 5.0 km.) (A) By Manual Means, (iii) Grading-III

Providing and laying Interlocking Concrete Block Pavement (ICBP) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and as directed.

Reinforced cement concrete M15 grade boundary pillars/local stone of standard design as per IRC:25, fixed in position including finishing and lettering but excluding painting as per drawing and Technical Specification Clause 1704

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 firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 800mm x 600mm rectangular

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 belowground level including providing 20cm to 25cm center to center and placed over 20 cm 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 x100mm 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

Bhaskarjyoti Nath