tender for annual plan-mayyil gp: proj. no: 273/25-26-choyyadam gastanaado road concreting from ch 0/000 to 0/088.5 km-general civil work-asset no: 212710050000000210-- 1 road concreting 2 3.15.1:compacting original ground
(i) compacting original ground supporting embankment
loosening, levelling and compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at omc and then compacted by rolling so as to achieve minimum dry density as given in tables 300.1 and 300.2 for embankment construction as per technical specification clause 301.4.1. 3 3.15.2:compacting original ground
(ii) compacting original ground supporting subgrade
loosening of the ground upto a level of 300 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of tables 300.1 and 300.2 for subgrade construction as per technical specification clause 303.5.2. 4 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. 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)