Details: maintanance 3.2:preparation of foundation for embankment <br> scarifying existing bituminous surface to a depth of 150 mm by mechanical means <br> 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. 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 mechanical mixer (pug mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kn weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per tables 400.11 & 400.12 and technical specification clause 406. <br> by mechanical means with 1 km lead 5.1.1a:prime coat :- low porosity