NHIDCL/RO-Imphal/YFC3/25-26

Construction of Subgrade and Earthen Shoulders. (i) Construction of Subgrade and Earthen Shoulders with Materials Obtained from Borrow Pits(Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads,transporting to site,spreading,grading to required slope and compacted to meet requirement of table No. 300-2)

Granular Sub-Base with Close Graded Material(Table:-400-1) A. Palnt Mix Method Construction of granular sub-base by providing close graded Material,Mixing in a mechanicla mix plant at OMC,carriage of mixed Material to work site,spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density,complete as per clause 401 (ii) Grading-II Material

Wet Mix Macadam(Plant Mix Method) 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 sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

Tack Coat on Bituminous/Granular Surface: Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.25 Kg/Sqm. On the prepared bitumen surface cleaned with mechanical broom.

Dense Grade Bituminous Macadam Grading-II, Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading,premixed with bituminous binder @ 4 percent by weight of total mix and filler,transporting the hot mix to work site,laying with the hydrostatic paver finisher with sensor control to the required grade,level and alignment,rolling with smooth wheeled vibratory and tandom rollers to achieve the desired compaction as per MORTH specifications clause no:- 505 complete in all respects. (a) VG-40

Prime Coat on WMM/WBM Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including cleearing of road surface and spraying primer using mechanical means (a) on WBM/WMM surface @ 0.70 - 1.00 kg/sqm as per clause 502 of Ministry of Road Transport and Highways specifications for Road and Bridge works(Fifth Revesion)

Overlay of Bituminous Concrete,40 mm. (Providing and laying bituminous concrete with higher capacity batch type hot mix palnt using crushed aggregates of specified grading,premixed with bituminous binder @5.2 percent of mix and filler,transporting the hot mix to work site laying with hydrostatic paver finisher with sensor control to the required grade,level and alignment,rolling with smooth wheeled,vibratory,and tandom rollers to achieve the desired compaction as per MoRTH specification clause No.507 complete in all respects. (ii) For Grading-II(10 mm nominal size) (a) VG-40

Surface Drains in Soil (Construction of unlined surface drain of average cross sectional size of 0.9 m * 0.9 m in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 to 309. Excavated material to be used in embankment at site within a lead of 1000 meters.) A. Mechanical Means.

Land Slide Clearance in soil Clearance of land slides in soil and ordinary rock by a bulldozer D 80 A-12, 180 HP and disposal of the same on the valley side.

Jungle Cutting/Clearing grass/Cutting of bushes and removal of rubbish upto a distance of 50 meters outside the periphery of area cleared (By manual means)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 3.00 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 3.00 mm is exclusive of surface applied good glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)

Road Delineators (Supplying and installation of delineators (road way indicators, hazard markers, object markers), 80- 100 cm high above ground level, painted black and white in 15 cm wide stripes, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and confirming toIRC-79 and the drawings.)

Retro-reflectrorised Traffic signs(Providing and fixing of retro-reflectorised cautionary,mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 801.3,fixed over aluminium sheeting,1.5 mm thick, supported on a mild steel angle iron post 75 mm *75 mm *6 mm firmly fixed to the groundf by means of properly designed foundation with M15 grade cement concrete 45 Cm*45 Cm*60 Cm,60 Cm below ground level as per approved drawings. (iv) 60 Cm Equilateral Triangle(each).

Painting on Concrete Surface. Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt,dust,oil,grease,efflorescence and applying paint @1 lit for 2 sqm.

Painting on Steel Surface. Painting on Steel Surfaces (Providing and applying two coats of ready mix paint of approved brand on steel surface after through cleaning of surface to give an even shade)

MASTIC ASPHALT ON SLAB. Providing and laying 36 mm thick mastic asphalt wearing course on top of deck slab excluding prime coat with paving grade bitumen meeting the requiremnets given in table 500-29,prepared by using mastic cooker and laid to required level and slope after cleaning the surface,including providing antiskid surface with bitumen precoated fine grained hard stone chipping of 9.5 mm nominal size at the rate of 0.005 cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions.pressed in to surface when the temperature of surface not less than 100 deg.C,protruding 1 mm to 4mm over mastic surface,all complete as per clause 516.

Excavation Work. Earth work in excavation of foundation of strctures for pipe culvert 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 backfi lling with approved material. (a) ordinary soil.(b) Mechanical Means,depth up to 3 m.

Granular Sub-Base with Coarse Graded Material (Table:- 400-2) for Pipe Culvert of granular sub-base by providing coarse graded material, spreadding in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401(By Mechanical Means,I.R.C. Grade - II)

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 sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

Plain cement concrete(PCC),1:3:6,for pipe culvert, (mix with crushed stone aggregate 40mm nominal size mechanically mixed,placed in foundation and compacted by vibration including curing for 14 days)(including Wall)

Plain/Reinforced Cement Concrete for wall etc. complete as per Drawing and Technical Specifications. incl. shuttering & excluding Reinforcement(Cast in Situ) (A)RCC Grade M25

RCC Pipe NP 4 heavy duty non pressure pipe 1200 mm dia. (SI NO M149)

Laying Reinforced Cement Concrete Pipe NP4/prestrssed concrete pipe on first class bedding in single row. (Laying Reinforced cement concrete pipe NP4/prestrssed concrete pipe for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, bacldlling, concrete and masonry works in head walls and parapets.) (i) 1200 mm dia.

Plain/Reinforced Cement Concrete for wall etc. complete as per Drawing & Technical Specifications. (C) RCC Grade M30,using batching plant,transit mixer & concrete pump.

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