Development of road from Gonda Twisa school road (Near Town hall) to Gonda Twisa-Amarpur road via Boys hostel (L - 1.280 km) under PWD (RandB) Gonda Twisa Sub-Division during the year 2026-27.

SUB-HEAD : 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

SUB-HEAD : MAINTENANCE OF ROADS

Maintenance of Earthen shoulder (Stripping of excess soil) Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawing and MoRD technical specification Clause 3003

SUB-HEAD : GRANULR SUB-BASES, BASES (NON-BITUMINOUS) AND SHOULDERS

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

SUB-HEAD : MISCELLANEOUS ITEMS FOR ROADS

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.

SUB-HEAD : BASES AND SURFACE COURSES (BITUMINOUS)

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.