NHIDCL/RO-AIZAWL/NH-2(NH-150 Old)/2026-27

Restoration of Rain Cuts (Restoration of rain cuts with soil, moorum, gravel or a mixture of these, clearing the loose soil, benching for 300 mm width, laying fresh material in layers not exceeding 250 mm and compacting with plate compactor or power rammers to restore the original alignment, levels and slopes) From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Maintenance of Earthen Shoulder (filling with fresh soil) (Making up loss of material/ irregularities on shoulder to the design level by adding fresh approved soil and compacting it with appropriate equipment.) From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

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) MDRs, SHs, NHs etc From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Hill Side Drain Clearance (Removal of earth from the choked hill side drain and disposing it on the valley side manually) From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Land Slide Clearance in soil (Clearance of land slides in soil and ordinary rock by a Excavator / Back Hoe and disposal of the same on the valley side) locations: CH : 2.858, CH : 7.368, CH : 7.452, CH : 8.050, CH : 15.015, CH : 58.510, CH : 77.745, CH : 92.920, CH : 102.820

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) From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Prime Coat (i) Low porosity 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 0.70- 1.0 kg/sqm using mechanical means as per Technical Specification Clause 502. From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Tack Coat (i) Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared Normal Bituminous Surface with primer and cleaned with Hydraulic broom as per Technical Specification Clause 503. From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

(iii) Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surface treated with primer and cleaned with Hydraulic broom as per Technical Specification Clause 503. From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000

Dense Graded Bituminous Macadam (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.) Case - I for Grading I ( 40 mm nominal size ) From CH: 0+000 to CH: 42+800 From CH: 60+300 to CH: 130+000