tender for annual plan-karimannoor gp 2025 - 2026-transformer mannarathara ward-8 (pro.no:148/26)-general civil work - road maintenance 2 3.2:preparation of foundation for embankment
scarifying existing bituminous surface to a depth of 150 mm by mechanical means
scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per technical specification clause 301.4. 3 4.11.2:granular sub-base/base/surface course with local materials (table 400.13) by mix in place method normal. construction of granular sub-base by providing local material spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at once and compacting with smooth wheel roller to achieve the desired density complete as per clause 401.4 as per technical specification clause 408.
(ii) using gravel mix soil. 4 od175046/2025-2026:supplying and laying interlocking tile 80 mm or nearest size thickness, minimum strength m 30 including providing a layer of 6 mm aggregate for 5 cm thickness, then laying interlock cobbles in lines and levels as per the directions of the departmental officers at site inclusive of all cost and conveyance charges etc. complete (labour and material observed from 55.23 of morth data) 5 75.8.1.1.a:providing plain cement concrete for wearing coat cc 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) nominal mix (1:2:4)