Repair and Maintenance to Kudumulugumma - Naliguda road in the District of Malkangiri for the year 2025-26.

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 materials etc complete as per direction of EIC.

Cleaning the existing Black topped surface with removal of foreign materials with brooms or soft btrushes and finally dusting with old gunny bages and/or compressed air to receive bituminous etc complete as per direction of EIC.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam Grading No. -III (53-22.4 mm size) specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening(morum and sand admixture) to fill-up the interstices of coarse aggregate, watering and compacting to the required density as per Technical Specification Clause 405 of MoRD & as per direction of Engineer-in-Charge.

Providing & applying primer coat with Bitumen emulsion on prepaired sueface of granular base including cleaning the road surface and spraying primer @ 0.60kg / sqm using mechanical means as per clause 502 of MoSRT & H specification for road & bridge works etc complete as per direction of EIC..

Providing & applying tack coat with Bitumen emulsion using emulsion pressere distributer @0.20kg / sqm on the prepared bituminous / granular suerface cleaned with mechanical broom as per clause 503 of MoSRT & H specification for road & bridge works as directed by the Engineer-in-charge

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness using 0.27cum of 13.2 mm to 5.6 mm aggregates using S-60/70 penetration grade bitumen 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 Type C as per Technical Specification Clause 508 of MoRD including cost, lead, lift royality and taxes of all materials required for the work by manual means etc. complete and as per direction of the Engineer -in- charge.

Providing 6 mm thick pre coated seal coating including cost, conveyance, royalty & taxes of all materials including hire & running charges of P.R .R etc complete as directed by the Engineer-in-charge

Providing granular sub-base in layers not eceeding 22.5 cm well watered and compaction to the required density in O.M.C with Vibrater roller. etc. complete including cost, carriage, royalty . as directed by the Engineer-in-charge

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