FDR/Mtc. of road from Bairagi Dokan to Krishna Kanto para under the Jurisdiction of Jatanbari PWD (RandB) sub-Division/SH-Through-out 20mm carpeting ,VG-30 as tack coat, Sand seal coating and other allied works during the year 2026-27.

Clearing and Grubbing Road Land:- 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 material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRD Technical Specification clause 201. (II) By Mechanical Means (A) In area of non-thorny jungle

Maintenance of bituminous surface road using Jhama brick aggregate:-Repair to pot holes by removal of failed material, trimming the sides to vertical and levelling the bottom, cleaning the same with compressed air or any appropriate method, filled with B.M (using jhama brick aggregate & bitumen of VG-30), after applying prime coat at the bottom and tack coat on sides and on bottom (using bitumen emulsion) and compacting, trimming & finishing the surface to form a smooth continuous surface, all as per MoRD technical specification Clauses 1900, 502, 503 and 504.

Water Bound Macadam Sub-base/base:-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. 2) WBM Grading -3 ( A ) By Manual Means

Prime Coat:-(i)Low porosity :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- 1.00 kg/sqm using mechanical means as per MoRD Technical Specification Clause 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 Clause 503.

Providing and applying 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 specifications: On bituminous surface @ 0.50 Kg/ Sqm.

25 mm thick Open-Graded Premix Carpet using Bituminous(Viscosity grade/ modified bitumen) Binder Providing, laying and rolling of open-graded premix carpetof 25 mm thickness composed of 13.2 mm to 5.6 mmaggregates either using Viscosity 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 ofeither Type A or Type B or Type C or Type D as per MoRDTechnical Specification Clause 508. Case - II By Mechanical Means (I) Bitumen of VG-30

Seal Coat:-Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510. A. By Manual Means, Case - I : Type A (I) Bitumen of VG-30