Construction of RCC Bridge over Buri River at Bhutiapara village including approach road and protection work in Kokrajhar District, BTR, Assam. TN No.01_01.

Amount

Road works: 2.2 Cleaning 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 materials to be used or auctioned, upto a lead of 1000m including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical sepcification Clause 201. (i) By Manual means. (A) In area of non-thorny jungle.

3.4 Construction of embankment with approved materials obtained from borrow pits with lift upto 1.5km, transporting to site, spreading grading to required slope and compaction to meet requirement of Tables 300.1 adn 300.2 with lead upto 1000m as per Technical Specification Clause 301.5 (a) Private land.

3.14 Construction of subgrade and earthen shoulder with approved materials obtained from borrow pits with all lifts and leads transporting to site, spreading grading to required slope and compacted to meet requirement of Tables 300-2 with lead upto 1000m as pre Technical Specification Clause 303.1a (a) 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 rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density. complete as per Technical Specification Clause 401 (II) Grading- II

III WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III 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 cum 2,867.80 B By Mechanical Means

5.1 Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

10.2/A/i 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 M15 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 800mm x 600mm rectangular

10.10 Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703 iii) 200 m stone (precast)

Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with 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

CD Works: RCC Slab Culvert, Size 1x1.2M Span Width 7.5M 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 Upto 3 m depth

11.4 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 I P.C.C Grade M 10 Nominal mix 1:3:6

11.4 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 IV R.C.C Grade M20

12.5 Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 B With Natural Gravel II P.C.C. grade M 20 i) Nominal mix (1:2:4)

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 iv RCC M25 c) Height upto 5M

12.7 Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer, TATA/ SAIL/Esser Steel/ Jindal Steel/ Shyam Steel/ RINL) in substructure complete as per drawing and technical specification clause 1002, 1005, 1010 & 1202.

12.9 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 Clauses 614, 709, 1204.3.7

12.10 Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 II Sandy material

13.5 Backfilling behind abutment, wing wall and return wall complete as per drawing & technical specification clause 1204.3.8 A With crushed stone

13.10 Drainage spouts complete as per drawing and technical specifications Clause 1209

13.16(iv) Providing and fillling joint sealing compound as per drawings and technical specifications with coarse sand and 6 per cent bitumen by weight.

Protection Works: Construction of embankment with approved material obtained from borrow pits with initial lead upto 3.00 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300-2 (including land compansation of earth)

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specification clause 1302

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specification clause 1302

Providing and laying of boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mm x 100mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25..

BIRKANG WARY