Nattuvatukkal Road Maintanance Ward 9

OD38083/2026-2027:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:4:8, 1:3:6, 1:2:4 or leaner mix ( including equivalent design mix). Modified Spec DAR 15.2.

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. <br>(ii) Using Gravel mix soil.

OD77617/2026-2027:Providing and laying 80 mm thick factory made cement concrete interlocking paver block of M - 30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of crushed stone, filling the joints with fine sand etc. all complete as per the drawings and Technical Specification Clause 1504

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)