Improvements to SH-159 connecting NH-4 to Andhra Pradesh border via Kurihalli, Rantvala, Hosakere, I.D Halli from Km. 46.00 to Km. 50.00 in Madhugiri Taluk, Tumkur District. JOB No (CRIF-KNT-2026-27-159)

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned including removal and disposal of top organic soil not exceeding 150 mm in thickness including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work In area of light jungle - By Mechanical Means using Dozer"

Construction of unlined surface drains of average cross sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work

Scarifying the existing bituminous surface to a depth of 50 mm and disposal of scarified material including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work -By Mechanical Means using Hydraulic excavator

Loosening, leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300-2 for subgrade construction including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work

Excavation for roadwork in soil by hydraulic excavator 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 embankment location, including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work

Construction of Subgrade and Earthen Shoulders : Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 laid in layers not exceeding 250 mm thick and compacting it by mechanical means after adding water to its OMC, so as to achieve 97% compaction of maximum dry density and finish the surface to the required camber, grade and cross section etc., speading, grading by motor grador, consolidation by roller including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work (New road formation)

Granular Sub-Base with Close /Coarse Graded Material (Table:- 400-1) Plant mix method. 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 including protection of edges of GSB layer, cost of all materials, labour, usage charges of all machinery, lighting, guarding, barricading, maintenance of diversion road, loading & unloading all lead, lifts, transportation with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work (Compacted thickness) Grading-V Material (Close graded) as per job mix

Granular Sub-Base with Close/Coarse Graded Material (Table:- 400-1) Plant mix method. 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 including protection of edges of GSB layer, cost of all materials, labour, usage charges of all machinery, lighting, guarding, barricading, maintenance of diversion road, loading & unloading all lead, lifts , transportation with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work (Compacted thickness) Grading-II Material (Close graded) as per job mix

Wet Mix Macadam (Plant Mix Method): Providing, laying, spreading and compacting graded stone aggregate as per table 400-12 & 400-13, 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 in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density of 98% including protection of edges of WMM layer, cost of all materials, labour, usage charges of all machinery, lighting, guarding, barricading, maintenance of diversion road, loading & unloading all lead, lifts including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work (Compacted thickness). Laying using Grader as per job mix

Prime Coat: Prime Coat over WMM/WBM - Providing and applying primer coat with SS1 bitumen emulsion complying IS-8887 on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.as per table-500-3,including cost of all materials, labour, usage charges of all machinery, loading, unloading, transportation lead, lifts, with all incidental charges, etc., complete as per specification and as directed by the the Engineer-In-Charge for successful completion of work