Construction of RCC Box cell culvert including Approaches on Khalihamari Butikur to Kechukhana NC via Saikia chuk under Dhemaji LAC, Dist- Dhemaji under infrastructure development in ITDP and outside ITDP areas of Assam during the year 2023-24

Amount

Civil Works

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 3 m to 6 m depth

Fillling 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 A With crushed Stone I P.C.C grade M 10 Nominal mix 1:3:6

Supplying, fitting and placing MS Bar (Fe-500 D) reinforcement bar(From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/ Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A With Crushed Stone III RCC Grade M 20 i) For height upto 5 m

IV. RCC Grade M 25 i). For height upto 5 m

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

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

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Construction of R.C.C. railing of M 25 grade in cast-in-situ with Running 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 specifications Clauses 800, 900 and 1208.3

Drainage spouts complete as per drawing and technical specifications Clause 1209

Reinforced Cement Concrete M 25 grade approach slab including reinforcement and formwork complete as per drawing and technical specifications Clauses 800 and 1211

Filler Joint ii Providing and fixing 20 mm thick compressible fibre board in Running expansion joint complete as per drawing and technical specifications

Providing and laying of apron with cement concrete blocks of size as per Table 1300.1 cast-in-situ and made with nominal mix of M-15 grade cement concrete as per drawing and technical specifications Clause 1301

Construction of toe walls for protection of slopes as per drawing and technical specifications Clause 1302.5 i Random rubble masonry in case of stone pitching laid with cement mortar (1:5)

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 (ii) Govt. Land

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. (ii) Govt. 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. (I) For Grading I Material

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/binding materials to fillup the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405.

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

Sign Board 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. 800 mm x 600 mm rectangular (L/S)

Demolishing R.C.C structure manually/ by mechaniical means including stacking of steel bars and disposal of unserviceable material as per direction of Engineer - in - charge

BIKRAM RAJ WARY