Details: internal roads 3.2 : preparation of foundation for embankmentscarifying existing bituminous surface to a depth of 150 mm by mechanical meansscarifying 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. 4.11.1 : 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> (i) using naturally occuring gravel 4.9 : wet mix macadam <br> providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at omc in mech