HDTRD_NDRF(PDNA_2022)_25_26_36 Recovery and Reconstruction of KatlicherraVeterbond Road (MDR) under NDRF (PDNA -2022) for the year 2025-26 under Hailakandi District Territorial Road Division.

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 Technical Specification Clause 301.5 (I) Private Land

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. Private Land

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 Clause 401. III) For Grading III Material

Providing , laying, spreading and compacting stone aggregates of specified sizes to water bound macadam specification including spreading in uniform thickness , hand packing ,rolling with 3 wheels 80-100KN static roller 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 as per Technical Specification Clause 405. (2) Grading - II (Screening B). A) By Manual Means-

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

Providing and applying tack coat with Bitumen emulsion(RS-1)using emulsion distributor at the rate of 0.20 to0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical SpecificationClause 503.

20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) Binder 'Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration 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 plant, 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 as per Technical Specification Clause 508. Case - I: By Manual Means ii) Bitumen (S-65) a) including Edge block/Edge restraints

Providing, laying seal coat sealing the voids on a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510. A. By Manual Means Case-I : Type A (11.2 mm to 2.56 mm) (i) Bitumen (S-90)

Preparation of dry mortar filled cement bags for pitching including filling in bags and stiching the mouth with jute sutli etc complete as directed. (0.70m x 0.40m x 0.10m)

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