Development of road T0-3 to Manchandrapara (Link no- L048) (L - 1.697 km) during the year 2025-26 / SH -Patch metalling, re-carpeting and seal coat. (Portion from 1.225 km to 1.697km)

Maintenance of Earthen shoulder (Stripping ofexcess soil) Stripping excess soil from the shoulder surface toachieve the approved level and compacting with plate compactor at OMC as per drawing and MoRD technical specification Clause 1903.

Granular Sub-base with Well Graded Material (Table 400.1) using Jhama Brick Aggregate (A) By Mix in Place Method Construction of granular sub-base by providing well graded material (Jhama Brick Aggregate, Grading-I, as per Table 400.1, spreading in uniform layers with tractor with attachments on prepared surface, mixing by mix in place method with rotavator at OMC, applying and brooming sand to fill up the interstices of coarse aggregate, watering and compacting with smooth wheel roller to achieve the desired density, complete as per MoRD Technical Specification Clause 401.

WBM Grading 2 : Providing, laying, spreading and compacting stoneaggregates of specific sizes to water bound macadamspecification including spreading in uniform thickness, handpacking, rolling with three wheel 80-100 kN static roller/vibratory roller in stages to proper grade and camber,applying and brooming, stone screening and bindingmaterials to fill up the interstices of coarse aggregate,watering and compacting to the required density as per MoRT&H Technical Specification Clause 404.

WBM Grading 3 : Providing, laying, spreading and compacting jhama brick aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing rolling with three wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming binding materials to fill up the interstices of coarse aggregate , watering and compacting to the required density Grading 3 as per MoRD Technical Specification Clause 405. (A) By Manual Means

Prime Coat (i) Low porosity Providing and applying prime 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- 1.00 kg/sqm using mechanical means as per MoRD Technical Specification Caluses 502.

iii) Tack Coat: Providing and applying tack coat with bitumen emulsion (RS- 1) using emulsion distributer at the rate of 0.25 to 0.30kg per sqm on the prepared granular surface treated with primer & cleaned with hydraulic broom as per MoRD Technical Specification Clause 503.

Tack coat using hot straight run bitumen of grade VG-30 on bituminous Surface. Providing and applying tack Tack coat using hot straight run bitumen of grade VG-30, including heating the Bitumen, Spraying the bitumen, Cleaning and preparing the existing road surface as per specification: On bituminous surface @ 0.50 kg/Sqm.

20mm thick open –graded premix carpet using Bituminous (viscocity grade / Modified bitumen) binder. Providing, laying and rolling of open –graded carpet of 20mm thickness composed of 13.2mm to 5.6mm aggregates either using viscocity grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base, including. mixing in a suitable plants, 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 either type A or type B or Type C or type D as per MoRD technical specification clauses 508. Case -1) By Manual Means. II) Bitumen of VG-30

Seal Coat Providing & laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade & cross fall using Type A or Type B or Type C or Type D as per MoRD technical specification clauses 510. 1) By Manual Means. Case-iv : Type D ( Premix with fine sand ) ii) Bitumen of VG-30

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, 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 MoRD Technical Specification Clause 301.5.