Construction of RCC Box culvert

Amount

Clearing and grubbing road land including uprooting wild vegetation, grass, buses, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such 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 250 mm in thickness as per Technical specification clauses 201

Construction of ebankement with approved material obtained from borrow pits with a lift upto 1.50m, transporting to site, spreading granding to required slope and compacting to meet requirement of Table 300.1 and 300.2 with a lead upto 1000 m as per Technical specification Clauses 301.5 (i) Private land

Construction of sub grade and earthen shoulders with approved material obtained from borrow pits with all lift and leads, transporting to site, spreading grading to required slope and compacted to meet requirement of Table 300.2 with lead up to 1000 m as per Technical Specification clauses 300.1 (i) Private land

Construction of grannular sub-m 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 clauses 401.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clauses 1701.2.3 fixed over aluminium sheeting 1.5 mm thick supported on GI pipe 50 mm dia firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 mm x 450 mm x 600mm, 600 mm below ground level as per drawings and Technical Specification clauses 1701 (iv) 80 cm x 60 cm rectangular

Const of Box cell culver (5.00 mm x 5.00 m ) = 4 cell Earthwork in excavation for structures as per drawing technical specification clauses 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deletious material and disposal upto a lead of 50 m, dressing of sides and bottom and back filling in trenches with excavated suitable material.

Filling in foundation trenches as per drawing and technical specification clauses 305.3.9

Providing concrete for plain/reiforced concrete in open foundations complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B. with natural gravel.) I. P.C.C. grade M 10

Providing concrete for plain/reiforced concrete in open foundations complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B. with natural gravel.). I.P.C.C. grade M 20

Providing concrete for plain/reiforced concrete in open foundations complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. (B. with natural gravel.). I.P.C.C. grade M 20

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification clauses 802, 804, 805, 806, 807, 1202 and 1204 B. With Natural Gravel

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer : TATA/SAIL/Esser Steel/Jindal Steel/Shyam steel/RINL) in foundation complete as per drawings and technical specification.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar I/BISCON/THERMAX or equivalent) in substrure complete as per drawings and technical specification clauses 1002, 1005, 1010 & 1202.

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

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical spefication clauses 1204.3.8

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications .B with Natural Gravel.

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar I/BISCON/THERMAX or equivalent) in substrure complete as per drawings and technical specification clauses 1002, 1005, 1010 & 1202.

Providing and laying cement concrete wearing course M30 grade including reinforcement complete as per drawing and technical specification clauses 800 and 1206.3 B. with Natural Gravel.

Construction of RCC 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 specification clauses 800, 900 and 1208.3

Providing and laying curtain walls complete as per drawing and technical specification clauses 1304. III. Cement concrete grade M 10

Drainage spouts complete as per drawing and Technical specification

Flexible Apron : Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 Kg beyond curtain wall.

Providing and laying boulder apron laid in wire crates with 4mm dia GI Wire conforming to IS:4826 in 100 mm x 100 mm mesh (woven diagenally) 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 Specification clause 1301.

Providing and laying filter material underneath pitching in slopes complete as per drawing and Technical specification clauses 1302.

Providing and laying boulder pitching on slopes laid over prepared filter media as per drawing and Technical specification clause 1302 Stone/Boulder

DHILAN BASUMATARY (BID ID -260210)

SRI BIBEKANANDA DEY (BID ID -260209)