Construction of RCC Box culvert 2/2 with approach road at Thaisoguri village under North Gongia VCDC under BADP (SCA) for the year 2021-22.

Amount

ROAD WORKS: Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 250 mm in thickness as per Technical Specification Clause 201. (i) By Manual means. (A) In area of non-thorny jungle. Rate as per SOR Rural roads- 2020-21. Quantity= (480.00 x 6.00)/ 10000= 0.288 Hect

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 to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (l) Private Land.

Construction of Sub grade and Earthen shoulder with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300.2 with a lead upto 1000 m as per Technical Specification clause 303.1 (i) Private Land.

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. ii) For Grading II Material

Construction of Box Cell Culvert (2.00m x 2.00m) 2 Cell 11.1 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. l. Ordinary soil

11.2 Filling in foundation trenches as per drawing and technical specification Clause 305.3.9 I. Sand filling

11.4 Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specifications Clause 802, 803. 1202 & 1203 B. With natural gravel l. P C.C grade M 10 (i) Nominal mix l:3:6

11.4 Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specifications Clause 802, 803. 1202 & 1203 B. With natural gravel IV R.C.C. Grade M20

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

12.5 Plain/reinforced cement concrete substructure complete as per drawing and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 B. With Natural Gravel IV R.C.C. grade M 25 (i) For height up to 5m

11.7 Supplying, fitting and placing TMT (Fe-500D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/ Shyam steel/ RINL) in Foundation complete as pre drawing and technical specification Clauses 1000 and 1202

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

12.9 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 structure with slop of 1(V):20(H) towards drawing face complete as per drawing and technical specification clauses 614, 709, 1204.3.7

12.10 Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8 (A) Granular material

13.1 Providing and laying reinforced cement concrete in superstructure as per drawing and technical specification Clause 800, 1205.4 and 1205.5 B. with Natural Graval II. R.C.C. M25 (a) Height up to 5m

13.3 Supplying and fitting palcing TMT (Fe-500 D) reinforcement bar (Other ISI approved TMT reinforcement bar (SAI/BISCON/THERMAX or equivalent) in superstructure complete as per drawing and technical specification clause 1002, 1010 ans 1202.

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

13.6 Construction of R.C.C. railing M25 grade in cast-in-situ with 20mm 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 post not to exceed 2000mm as per drawing and technical specification Clauses 800, 900 and 1208.3

14.9 Providing and laying curtain walls complete as per drawing and technical specification clause 1304 III. Cement concrete grade M10

13.10 Drainage Spouts complete as per drawing and technical specification

Flexible apron : Construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 40kg beyong 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 GI pipe 50mm dia 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 1701. (iv) 80cm x 60cm rectangular

Binay Basumatary