Maintenance of road during the year 2026_27_Maintenance of road from house of Uttam sutradhar up to nandan nagar west PWD road ( Don bosco _noagaon Bazar road) via house of Nagendra sarkar and shitlabari to water supply house and adjacent road under

Flat Brick soiling Providing and laying flat brick soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with Earth, free from clay with a Plasticity Index not exceeding 6, watering and rolling the same with three wheeled road roller 80-100 kN as per MoRD Technical Specification Clause 412.

Brick on edge soling :-- Providing and laying brick on edge soling layer on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with sand, watering and rolling the same with three wheeled road roller 80-100 kN as per MoRD Technical Specification Clause 412.

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

Brick edging laid in full brick width Providing and laying brick edging on prepared subgrade according to lines, grades and cross-section shown on the drawing, filling joints with Earth, free from clay with a Plasticity Index not exceeding 6, watering and rolling the same with three wheeled road roller 80-100 KN as per MoRD Technical Specification Clause 412.

Tack coat using hot stright run bitumen of grade VG-30 on bituminous surface Providing and applying tack coat using hot stright run bitumen of grade VG-30, including heating the bitumen, spraing the bitumen, cleaning and preparing the existing road surface as per specification : On bituminous surface @ 0.50 Kg/Sqm

Providing and applying primer coat with bitumen emulsion (SS-1) on preparred surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90-1.20 kg/Sqm using mechanical means as per MORD technical specifivcaton clause 502.

Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion pressure 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.

20 mm 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 or Type D as per MoRD Technical Specification Clause 508. Case - I : By Mechanical Means ii) With Viscocity Graded 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. Manual Means Case - IV : Type D (premix with fine sand) II) Bitumen (60/70Grade) VG-30

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.