Const. of Cross Drainage Work (8.0 Mrcc Slab Culvert) with Approaches at Khwmabari under SOPD for the year 2021-22. (TN_93_2).

Amount

2.2 Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, 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, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201.(1) By Manual Means(A) In area of non thorny jungle.

3.4 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 (1) Private Land

3.14 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. (1) Private Land

4.1 (A) (ii) By Mix in Place Method : 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. (i) For Grading Il Material

4.7 (3) (A) WBM Grading 3 - Using stone screening Type-B 11.2 mm for Gr.lll : 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. (A) By Manual Means

(A) Inter locking concrete Block pavement i) a - Providing and laying interlocking concrete block) pavement(M40) having thickness 80mm as per technical specification clause 1504(inclusive of Edge restraint and carriage)

SLAB CULVERT OF 8.00 M SPAN 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 (I) ordinary soil, up to 3m depth

11.4(i) Providing concrete for plain/reinforced concrete in open foundations complete as per drawing and technical specification Clause 802, 803, 1202 & 1203. A. With Crushed stone. I. PCC grade M10 Nominal mix 1:3:6

11.4 (ii): Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203, A. With Crushed stone , PCC Grade M-15 Nominal mix (1:2.5:5)

12.50(i): Plain/reinforced cement concrete in sub-structure complete as per drawings and technical specification clauses 802, 804, 805, 806, 807 and 1204. A. With crushed stone, PCC Grade M-20 (i) Nominal Mix (1:2.4)

12.7 : Supplying, fitting and placing TMT bar reinforcement (Fe- 415) in substructure complete as per drawings and technical specifications clauses 1002,1005,1010 and 1202.

13.2 : Supplying, fitting and placing TMT bar reinforcment in superstructure complete as per drawings and technical specifcation clauses 1002,1010 and 1202.

13.1 : Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications clauses 800,1205.4 and 1205.5 A. With crushed stone RCC Grade M-20 (i) For nominal mix 1:2:4 (a) height up to 5m.

13.50 : Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical spefications clauses 800 and 1206.3. with natural gravel

13.10: Drainage spouts complete as per drawing and technical speifications clause 1209.

12.90 : 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 strucutres with slope of 1(V):20(H) towards drawings face complete as per drawings and technical specification clauses 614, 709, 1204.3.7.

13.60 : Construction of RCC railing of M-30 grade in - situ with 20mm nominal size aggregates true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, center to center spacing between vertical post not to exceed 2000mm, leaving adequate space between vertcial post for expansion, complete as per approved drawings and technical specifications.

13.16 : Fille joint : Providing and fixing 20mm thick compressible fibre board in expansion joint complete as per drawing and technical specifications.

12.10: Back filling behind abutment, wing wall and return wall complete as per drawings & technical specification clause 1204.3.8 (i) Granular material.

Sri Lakendra Narzary

AJIT KHUNGUR BORO