FDR of different roads under Raishyabari R.D. Block under PWD(RandB), Gonda Twisa Sub-Division during the year 2026-27/SH- Jungle clearing, surface drain, patch repairing, flat brick soling, patch carpeting etc. (Group-II).

SH: SITE CLEARANCE

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. I) By Manual Means A) In area of non throny jungle

SH: EARTHWORK, EROSION CONTROL AND DRAINAGE

Surface Drains Construction of unlined surface drains of average cross-sectional area 0.40 sqm in ordinary soil to specified lines, grades, levels and dimensions. Excavated material 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 307. i) Surface Drains in Ordinary Soil A) Manual Means

SH: GRANULAR SUB-BASES, BASES (NON-BITUMINOUS) AND SHOULDERS

Brick soling ii) Flat Brick soling 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.

SH: MISCELLANEOUS ITEMS FOR ROADS

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 Clauses 1900, 502, 503 and 504.

Tack coat 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.

SH: BASES AND SURFACE COURSES (BITUMINOUS)

25 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade/modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 25 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using Viscisity 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 Manual Means (I) Bitumen of VG-30

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specific levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specifications Clause 510. (A) By Manual Means Case- IV: Type D ( premix with fine sand) (I) Bitumen (60/70 Grade) VG-30

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