tender for issr sor 2.3.3.1 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 by manual means plain cement concrete grade m-15 and m-20 , issr sor 3.9.1 excavation for pipe laying (exceeding 30 cm in depth) including disposal of excavated earth with all lift and leadup to 50 m, disposed earth to be levelled and neatly dressed. all kinds of soils , v2 sor 19.1.2/208 centering and shuttering including strutting, propping stretching etc. complete for and removal of form work by sheet plate or ply wood shuttering for : walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc , v2 sor 4.1.3/32 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering all work up to plinth levelcement concret grade m-15 (nominal mix) with 20 mm maximum size of stone aggregate , v1 issr 6.3 providing and laying cement concrete grade m-10 with 40 mm graded crushed stone aggregate, spreading the concrete by shovels mixing shall be in mechanical mixer, compacting by use of pin/plate/screed vibrators including form work by strong steel girders fixed by spikes. , v1 issr 6.4 providing and laying cement concrete grade m-20 with 20 mm graded crushed stone aggregate, mixing shall be in mechanical mixer, laying with paver compacting by use of pin, plate / screed vibrators including form work by strong steel girders fixed by spikes, separation membrane 125 micron thick, including cutting of joints @ 4 to 5 m interval and filling it with hot applied bituminous sealant (without dowel bars) (max.thickness 20 cm). , v3 sor 22.6.2/233 providing and laying non-pressure np2 class (light duty) reinforced cement concrete pipes with co