tender for annual plan-tarur gramapanchayath 2025-26-chalumpulli road re concrete--(project no-212/2025-26)-general civil work - improvements road 2 3.1:preparation of foundation for embankment
scarifying existing granular surface to a depth of 50 mm by manual means
scarifying existing granular surface to a depth of 50 mm and disposal of scarified material with a lift upto 3 m and leads upto 1000 m as per technical specification clause 301.4. 3 od186634/2025-2026:filling with quarry muck filling up low laying and water logged areas with local material/quarry muck spreading in layers,levelling the top at site and consolidation by ramming etc..complete for improving the cbr value of sub grade. 4 4.1.a.1:granular sub-base with well graded material (table 400.1)
(a) by mix in place method
construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification clause 401.
(i) for grading i material 5 75.8.1:providing plain cement concrete for road work cc 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) nominal mix (1:2:4)