Development of road from (i) NH108B to Mohanpur Dighalia road under Mohanpur RD Block (L-0.80 km).(II) Sashimohna Debnath house to house of Kanailal Dey at South Taranagar (L-0.600 km) during the year 2026-27/SH- Grouting, Patch WBM-III, Carpeting, T

Patch repairing/ Maintenance of bituminous surface road using Jhama brick aggregate & viscocity graded bitumen (VG-30) Repairing pot-holes and making up small depressions with ramming or power rolling after removal/ disposal of disintegrated materials within a lead of 50 m, cutting pot holes to regular shapes with vertical edges and levelling the bottom, cleaning the same with compressed air or any other appropriate method including screening, cleaning of aggregates; and filling up with with jhama chips using bitumen of VG-30 @ 54 kg per m3 of loose volume of jhama brick chips, after applying tack coat of bitumen on sides and bottom @ 0.75 kg/ sqm and finishing the top of repaired surface levelled with adjoining area in proper grade and camber including spreading of sand @ 0.006 cum/ sqm of prepared road surface as per direction of the Engineer-in-Charge and all as per MoRD technical specification Clauses1900, 502, 503 and 504

"WBM grading-3 Providing, laying, spreading and compacting jhama brick aggregates 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. By Manual Means

"Tack coat using hot straight run bitumen of grade VG-30 on W.B.M. 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 W.B.M. @ 0.75 kg/ sqm."

"Tack coat using hot straight run bitumen of grade VG-30 on bituminous surface. 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.

"20mm thick open Graded premix carpet using using bituminous (penetration grade/modified bitumen) binder. Providing,laying and rolling open graded premix carpet of 20mm thickness composed of 13.2mm to 5.6mm aggregates either using penetration grade bitumen or emulsion to required line grade and level to serve a 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 manual means. .(i).Bitumen (60/70 grade) V.G.-30.

"Seal coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross full using Type-A or Type-B or Type-C or Type-D as per MORD technical specification clause 510. A.By manual means.Case-IV Type –D (Premix with fine sand) Bitumen (60/70 grade) VG-30

" Surface Drains in Ordinary Soil: Construction of unlined surface drains of average cross-sectional area 0.40 sqm in ordinary soil to specified lines, grades, levels and dimensions. Excavated materials to be used in embankment with a lift upto 3 m and lead of 50 m.(average lead 25 m) as per MoRD Technical specification clause i)Surface Drain in ordinary Soil A)By manual means