Construction of RCC Box Culvert (size- 4x4 3 Cell) on Sialmari Lungsung Village Road under the BTR SOPD for the year 2023-24. 187-1

Amount

RCC BOX CELL BRIDGE OF SIZE : 3 CELL X 4.00 M X 4.00 M : 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 materials and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. Marshy Soil.

Filling in foundation trenches as per drawing and Technical Specification Clause 305.3.9 (i) Sand filling

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802,803,1202 & 1203 B. With natural Gravel. I. P.C.C. grade M 10 (i) Nominal Mix 1:3:6

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802,803,1202 & 1203 B. With natural Gravel. IV. R.C.C. grade M 20 (i) Nominal Mix 1:2:4

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802,803,1202 & 1203 B. With natural Gravel. III. P.C.C. grade M 20 (i) Nominal Mix 1:2:4

Plain/reinforced cement concrete in substructure complete as per drawings and technical specifications Clauses 802,804,805,806,807,1202 & 1204. B. With Natural Gravel. IV. RCC Grade M 25 (i) For height up to 5m

Supplying, fitting and placing TMT (Fe-500D) reinforcement bar (From Primary Producer : TATA/SAIL/Essar Steel/Jindal Steel/Shyam Steel/RINL) in sub-structure complete as per drawing and technical specification clauses 1000 & 1202

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

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100mm 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

Backfilling behind abutment, wing wall and return wall complete as per drawings and technical specification Clause 1204.3.8. A. Granular material.

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 B. With Natural Gravel II. RCC M 25 (a) Height up to 5 m.

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

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications clauses 800 and 1206.3 B. With Natural Gravel

Construction of RCC Railing of M 25 Grade cast in situ with 20mm nominal size aggregate, true to line and grade, tolerance of vertical RCC Post not to exceede 1 in 500, center to center soacing betwwen vertical post not to exceed 2000mm, as per drawing and technical specifications Clauses 800, 900 and 1208.3

Providing and laying curtain walls complete as per drawing and technical specification Clause 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 25 kg beyond curtain wall.

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 M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. (iv) 80 cm x 60 cm rectangular.

Sri Sanswrang Bargayary (BID ID -253702)

SRI BIBEKANANDA DEY (BID ID -253699)