WBPWD/AEBSD/NIET-14/2025-26/3

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes with vertical edges, cleaning the disintegrated materials, heating matrix and applying tack coat (including sides), finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tack coat. [Tack coat is to be considered separately] : i) With premixed Chips or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine. (The payment is to be made on the basis of loose net volume of stone materials consumed in the work) (b) Using Mobile HMP (Light duty)

Providing & Laying 20 mm thick Mix Seal Surfacing (MSS) : Providing, laying and rolling of close graded premix surfacing using materials of 20 mm thickness composed of 11.2mm to 0.09mm (For Type – A) or 13.2mm to 0.09mm ( For Type – B) aggregates using penetration grade bitumen to the 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 smooth wheeled roller 8 – 10 tonne capacity and finishing to required level and grade etc. including all other incidental charges, quality control as per clause 508 of specifications for Road & Bridge Works of MoRT&H (5th Revision) complete : (a) Type – A : Using 2.2 kg bitumen per square meter surface area : i) Using Hot Mix Plant not less than 75 T / Hr. :

Providing and applying tack coat using Cationic Bitumen Emulsion of approved grade conforming to I.S. 8887-1978, over prepared surface including cleaning of surface with mechanical broom, moistening the surface, applying tack coat including cost and carriage of emulsion, hire charges of machineries and labour, cost of fuel and lubricants all complete as per specification and direction of the Engineer-in-Charge.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal/ Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge.