Improvement of Road from Kashibari to Boro Singmari under IBA (Infrastructure Development Project) for the year 2025-26. TN_123_01

Clearing and Grubbing Clearing and grubbing road land including uprooting wild vegetation, grass, bushes,shrubs,saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be use do auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. A) In area of non thorny jungle

Construction of Embankment Construction of embankment with approved material obtained from borrow pits with a lift upto1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private Land

Earth work in Shoulder Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private Land

Earth Work in Excavation Excavation in Ordinary Soil Excavation roadway in soil using manual means for carrying of cut earth to embankment site with a lift 1.5 and lead upto 50 mas per Technical Specification Clause 302.3 (Manual method should be adopted where can not be deployed due to site condition)

GSB Grading-II Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. (ii) For Grading II Material

Providing WBM WBM Grading 2 Using stone screening Type-B 11.2 mm for Gr.II Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, handpacking rolling with smooth wheel roller 80-100kN in stages to proper handpacking, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber,applying and brooming, stone screening / binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405.

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, handpacking, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate,watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (B) By Mechanical Means

Providing WMM Providing, laying,spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compactingwith smooth wheel roller of 80 to100kNweight to achieve the desired density including lighting ,barricad in gand maintenance of diversion,etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406.

Prime Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at there at of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Tack Coat Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at there at of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.