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)