NHIDCL/RO-Imphal/NH-37/Irang Bridge/27

Compacting original ground supporting subgrade (Loosening of the ground upto a level of 500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.)

Construction of Earthen Shoulders with Material Deposited from Roadway Cutting (Construction of sub-grade and earthen shoulders with approved matedal deposited at site from roadway cutting and excavated from drain and foundation of other structures graded and compacted to meet requirement of table No. 300-2)

Construction of granular sub-base by providing close graded Material, mixing in a mechanical 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

Providing, layng, 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

Providing and appllng primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rale of 0.70 kg/sqm using mechanical means

Providing and applying tack coat with bitumen emulsion sing emulsion pressure distributor at the rate of 0.20 kg per on the prepared bituminous/granular surface cleaned wth mechanical broom.

Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 percent by weight of total mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 505 complete in all respects.

Bituminous Concrete (Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.2 per cent of mix and filler, transporling the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects

Filling Pot- holes and Patch Repairs with - Bituminous concrete, 40mm. (Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning ofsurface, painting oftack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2)

Hill Side Drain Clearance (Removal of earth from the choked hill side drain and disposing it on the valley side manually)