Nit.No.49/26-27

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 Lime / Cement Concrete Cement Concrete Grade M-15 & M-20

Dismantling of flexible pavements and disposal of dismantled materials including all leads, stacking serviceable and unserviceable materials separately and as per relevant clauses of section-200. Bituminous courses

Dismantling of flexible pavements and disposal of dismantled materials including all leads, stacking serviceable and unserviceable materials separately and as per relevant clauses of section-200. Granular courses

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 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. Up to 1000 mm dia

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) For Sub-base cum drainage layer or upper sub-base with Grading- IV Material

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layers with paver in subbase / base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per clause 406.

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 backfdling 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 PCC Grade M 15

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 2503.

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

Providing and laying Reinforced Cement Concrete pipe NP 3 / prestressed concrete pipe on first class bedding 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 on first class bedding of granular material including joints duely filled and finished with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets. 900 mm dia

Filling Pot-holes and Patch Repairs with Wet Mix Macadam (WMM) Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, spreading by mechanical or mannual means as per size of the patch on well prepared surface and compacting with vibratory roller to achieve the desired density.as per clause 406

Prime coat Providing and applying primer coat with bitumen emulsion (SS-1, grade confirming to IS:8887) on prepared surface of granular base including clearing of road surface and spraying primer using mechanical means as per clause 502. (i) on WBM / WMM surface @0.85 kg/ sqm.

Tack coat Providing and applying tack coat with bitumen emulsion (RS-1, grade confirming to IS:8887) using emulsion pressure distributor on the prepared bituminous/granular surface cleaned with mechanical broom and as per clause 503. (ii) Granular surface treated with primes @ 0.30 kg/ Sqm

Close Graded Premix Surfacing/Mixed Seal Surfacing Mechanical means using minimum 40-60 TPH capacity of HMP. Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness using bitumen to the required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade, complete as per clause 508. With mechanical paver finisher With bitumen Type B ( 13.2 mm to 0.09 mm size aggregates )

Dry Lean Cement Concrete Sub- base Construction of dry lean cement concrete Sub-base as per IRC:SP-49 over a prepared sub-grade with coarse and fine aggregate conforming to IS: 383, the size of coarse aggregate not exceeding 26.5 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, laid with a paver with electronic sensor, compacting with 8-10 tonnes vibratory roller, finishing and curing as per clause 601.

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 ) P.C.C. M-10

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.

Excavation in Soil (by Mechanical Means.) Excavation for roadway in soil using mechanical means including loading in tipper for carrying of cut earth to embankment site and unloading with all leads & lifts as per relevant clauses of section 300.

Granular Sub-base as per Table:- 400-1 Constructiom of granular sub-base by providilJlg graded Material, carnage of mixed Material to work site, spreading Ill 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) For Lower Sub-base with Grading-VI Material

Scarifying Existing Granular Surface to a Depth of 50 mm Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all leads & lifts.

Providing and laying Cement concrete wearing coat M-35 grade including reinforcement of 8 mm diameter @ 150 mm c/c spacing in both ways for each 75 mm thickness of concrete complete as per drawing and Technical Specifications as per section 2700

Construction roller compacted concrete pavement over a prepared sub-base, coarse and fine aggregate conforming to IS:383, and graded as per table 600-3, mized as per approved mix design at site, laid, spread, vibrated, compacted with vibratory roller of the double drum wheel type (80-100 kn) and finished m a continuous operation including separation membrance, sealant primer, joint seaInt, de-bonding strip, admixtures as approved, curing compound, finisung to lines and grades as per drawing (as per TRC SP:68) B) With Cement concrete grade M-30 and minimum cement content@ 375 kg/cum.

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