Restoration to flood damaged Old NT Road ( Manikpur Diversion ) under SDRF for the year 2021-22

Amount

RCC SIDE DRAIN :-Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removalof 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 In ordinary soil

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803,1202 & 1203 PCC Grade M10

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 20

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

Backfilling in Foundation Trenches as per drawing and technical specification Clause 1108 Sand filling

OPEN BRICK DRAIN ;-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 In 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

Brick masonry work in cement mortar in substructure complete excepting pointing and plastering, as per drawing and technical specification Clauses 602, 603, 604,1202 & 1204 In 1:3 cement mortar (Base wall footing)

Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 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 P.C.C. grade M 20

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

RCC COVER SLAB ;- Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 P.C.C. grade M 20

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

RCC SLAB CULVERT (1.5 m Span) :-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.

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.

PCC 1:2.5: 5 in foundation (Plain cement concrete 1:2.5: 5 nominal mix in foundation with cruhed aggregate 40 mm nominal size mechanically mixed place in foundatioand completed by vibrating including curring for 14 days PCC Grade M15 Nominal Mix 1:2.5: 5

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification Clause 802,803,1202&1203 (III) PCC Grade M20 Nominal Mix 1:2:4

Plain/Reinforced cement concrete, in Substructure complete as per drawing and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204. (A)(i) PCC Grade M20 Nominal Mix 1:2:4

Providing and laying Reinforced cement concrete, in Superstructure complete as per drawing and technical specification Clauses 800, 1205.4 and 1205.5 (A)(i) PCC Grade M20 Nominal Mix 1:2:4

Supplying fitting and placing HYSD bar reinforcement in superstucture complete as per drawing and technical specification technical specification Clauses 1002, 1010 and 1202

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and technical specification

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 ( I ) Sand filling

APPROACH ROAD:- Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

3.4: Construction of embankment with approved material obtained from borrow pits with a lift up to 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 up to 1000 m as per Technical Specification Clause 301.5

Preparation of earthen sub-grade shoulders inclusive of cost of borrow soil spreading in layers bringing to appropriate moisture content and compacted to meet requirement of table 300.2 with lead up to 1000 m

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 motivator at OMC , and compacting as per Technical Specification Clause 401 . 2./ For Grading –II meterials

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.

Providing and laying interlocking concrete block pavement having thickness 80mm as per technical specification clause 1504(inclusive of Edge restraint and carriage)

(Providing Project Informatory Board) :- Providing and erecting direction and place identification sqm 12,165.20 retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, Area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Sri Bipul Choudhury

MANOJ KUMAR ROY