Mtc. of road from Kalachara to Bhuratali Kalibari road via Ekalavya School. (L - 3.100 km) SH - Wedining, metalling, carpeting and seal coat. during the year 2025-26. (Portion from 0.00 km to 0.595 km)

(ii) Compacting original ground supporting subgrade Loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per MoRD Technical Specification Clause 303.5.2.

Granular Sub-base with Well Graded Material (Table 400.1) using Jhama Brick Aggregate (A) By Mix in Place MethodConstruction 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.(i) For Grading - I Material (jhama brick aggreate)

Water Bound Macadam Sub-Base / Base using Jhama Brick Aggragate 2) 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.

Tack Coat: (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 & cleaned with Hydraulic broom as per MoRD Technical Specification Clause503.

20mm thick open –graded premix carpet using Bituminous (viscosity grade / Modified bitumen) binder. Providing & laying rolling of open –graded carpet of 20mm thickness composed of 13.2mm to 5.6mm aggt.Either using penetration grade bitumen of emulsion to required line, grade & level to serve as wearing course on a previously prepared base in/c. mixing in a suitable plants, laying & rolling with a three wheel 80-100km static roller capacity, finished to required level & grades to be followed by seal coat of either type A or type B C or type D as per MoRD technical specification clauses 508. Case-I: By manual means ii) Bitumen (60/70 Grade) 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 B type C or 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

Road side Pucca Drains Construction of road side pucca drain with M10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement) B.Trapezoidal drain (top clear width 600 mm, bottom clear width 300 mm and clear depth of 400 mm)I. In Ordinary Soil

Surface Drain: Construction of unlined surface drain of average cross sectional area 0.4 sqm in ordinary soil to specify lines , grades, levels and dimensions. Excavated materials to be used in embankment with a lead upto 3 m and lead upto 3m (average lead 25 m) as per MoRD technical specification 307. I) Surface Drains in Ordinary Soil A) Manual Means