NH-6 to Bishipali

Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area etc. complete as per direction of the Engineer in charge.

Flank dressing to proper camber including T&P materials etc. complete as per direction of the Engineer in charge.

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embamkment location with a lift upto 1.5 m and lead upto 1000 m as per Technical Specification Clause 302.3

Providing granular sub-base (Sand Moorum Admixture) in layers not eceeding 22.5 cm well watered and compaction to the required density in O.M.C with Vibrater roller. etc. complete including cost, carriage, royalty . as directed by the Engineer-in-charge

Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including 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 of MoSRT&H Specifications for Road & Bridge works

Cleaning the existing black topped surface with removal of foreign materials with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means as per Technical Specification Clause 502 of MoRD for low porosity surface and as per the direction of the Engineer-in-charge.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom as per Clause 503 of MoSRT&H Specifications for Road & Bridge works (4th Revision)

Providing laying and rolling of premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using S-65 penetration grade bitumen to 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of Type C as per Technical Specification Clause 508 of MoRD by manual means and as per the direction of the Engineer-in-charge.

Providing and laying semi dense bituminous concrete with batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder of 60/70 penetration grade of bitumen, 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 wheelede, vibratory and tandem rollers to achieve the desired compaction as per Clause 508 of MoSRT&H Specifications for Road & Bridge works (4th Revision)

Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of Tables 300.1 and 300.2 as per Technical Specification Clause of MORD and as per the direction of the Engineer-in-charge

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