tender for dismantling of existing structures comprising of masonry, cement concrete, wood work, steel work, including t&p and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material, stacking the serviceable material with all lifts and lead up to 1000 meters, as per section- 200 of the specifications concrete bituminous manual means plain cement concrete grade m-15 and m-20 , earth work in excavation for r drains etc. by mechanical means / manual means (exceeding 30cm in depth.) including ramming of bottom, dressing of sides, disposal of excavated earth including of all lift and lead upto 50m. disposed earth to be levelled and neatly dressed.all kinds of soil , centering and shuttering including strutting, propping stretching etc. complete for and removal of form work by sheet plate or ply wood shuttering for 19.1.6 plinth beam ,beam , providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering all work up to plinth level. cement concrete grade m-20 (nominal mix) with 20 mm maximum size of stone aggregate