Details: dismantling of existing structures like culverts, bridges, retainingwalls, cc road and other structure comprising of masonry, cementconcrete, wood work, steel work, including t&p and scaffoldingwherever necessary, sorting the dismantled material, disposal ofunserviceable material and stacking the serviceable material with all lifts and lead of 50 metres as directed by engineer cement concrete grade m-15 and above and pcc blocks carriage of materials by mechanical transport including loading, unloading and stacking :: stone, boulders, gravelly material (1 km) providing and laying lean cement concrete 1:4:8 in sub- base over a prepared sub-grade with coarse and fine aggregate conforming to is: 383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed 15:1, aggregate gradation after blending to be as per table 600-1, cement content not to be less than 150 kg/ , optimum moisture content to be determined during trial length construction, concrete strength
Sector: RDPR