NIT NO:222/Raipur/B/R/2026-27

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material as per Clause 304, loading the unserviceable material in tipper and unloading with all leads & lifts as directed by Engineer-in-Charge. Ordinary soil Upto 3 m depth

Plain cement concrete complete as per drawing and Technical Specifications (i) PCC Grade M 15

PCC Grade M 20

Providing and laying Reinforced Cement Concrete pipe NP 3 / prestressed concrete pipe. Laying Reinforced cement concrete pipe NP3 /prestressed concrete pipe complying to IS:458, with ends casted as per the requirements of flush jointing of pipes for culverts including joints duely filled and finished with cement mortar 1:2 but excluding bedding below pipes, excavation, protection works, backfilling, concrete and masonry works in head walls and parapets. A 450 mm dia

600 mm dia

900 mm dia

Providing and laying Pitching Stone/Boulder on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications as per clause 2504.

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification including trimming of slopes to proper profile and preparation of bed and as per clause 2504.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with including all leads and lifts and as per relevant clauses of section-200 in (i) Lime / Cement Concrete B Cement Concrete Grade M-15 & M-20

Removing all type of Hume Pipes in serviceable condition without damaging the pipe and Stacking with all lifts and lead excluding Earthwork and Dismantling of Masonry Works. A Up to 1000 mm dia

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density as per clause-404. B Grading- II (53 to 22.4 mm size aggregate) (ii) Using Screening Type-B (11.2mm Agg.)

Providing and laying cement concrete for plain concrete/ reinforced concrete i/c form work, shuttering complete in as per drawings and specifications.( For Village roads ) (I) P.C.C. M-10

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification as per clause 503.

Granular Sub-base as per Table:- 400-1 Construction of granular sub-base by providing graded Material, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface watering, rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401. Plant mix method (with Mechanically crushed stone only) (a) For Sub-base cum drainage layer or upper sub-base with (i) Grading- III Material

Providing and laying Un-reinforced Cement Concrete without Dowel bars including formwork and expansion, contraction & longitudinal joints as per design and as per IRC-62, over a prepared base a per approved mix design and finising to lines and grade as per Drawing for Pavement thickness less than 200mm in Low Volume Roads. With Cement concrete grade M-30 and minimum cement content @ 375 kg/cum

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