tender for annual plan-proj.no.376/2025-26-olively chira belt road maintenance in ward - 2-general civil work - re-concreting 2 od196051/2025-2026:modified 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 required including compaction, finishing and tamping etc .complete. max. size of course aggregate not exceeding 25mm , mixed in concrete mixer etc complete as per specification without formwork.(i) nominal mix (1:2:4) 3 interlock 4 2.15:dismantling of cement concrete pavements as per technical specification clause 202.
dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately 5 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 6 od196077/2025-2026:providing and laying of interlocking concrete block pavements using 80 mm m40 hydraulic blocks of approved size,design & shape laid in required pattern over and including a compacted bed of 6 mm stone aggregate of 50 mm average thickness , etc . all complete as per the direction of engineer- in-charge. 7 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)