RO-Aizawl/Maint./2021-22/LT/3

Amount

Bush clearence : Clearing road side vegetation, brush wood mooli bamboos, overgrown grass including removal etc. along existing road side, and disposal of the cut bushes down hill side of the road formation. This jungle clearance should includes minimum height of Clearance of 4.5m from top of pavement on uphill side of the road including road shoulder and all the bushes on the shoulder and down hill side of the road. c) for NH's

Land slide clearence (Clearance of land slides in soil and ordinary rock by a bull-dozer D 80 A-12, 180 HP and disposal of the same on the valley side)

Filling Pot-holes with WBM Materials (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including , hand packing, rolling, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density.)

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

Hiring of Dozer D-80-A 12

Providing and constructing temporary restoration work with form of a palasiding with empty bags filled with approved quality earth/sand/moorum/gravel etc. including stitching the bags with jute string and placing the filled up bags in popuslope to withstand the road structure temporarily from sliding down.

Prime coat: Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate shown in 500-1 using mechanical means (i) Low Porosity

Dense Bituminous Macadum (DBM) (Black Spot Rectification - Providing and laying dense bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix of 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. 507 complete in all respects (i) For Grading-I (40 mm nominal Size)

Close Graded Premix Surfacing/Mixed Seal Surfacing (Mechanical means using HMP of appropriate capacity not less than 75 tonnes/hour. Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.09 mm (Type-a) or 13.2 mm to 0.09 mm (Type-b) aggregates using penetration grade 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) (i) A. Using 60/70 Grade Bitumen

Emergency Culvert Repair (As per detailed estimate enclosed with RFP)

Construction of Retaining Wall (Height 4 m) (As per detailed estimate enclosed with RFP)

P.C. Lalthantluanga