tender for attending civil work of miscellaneous nature at sdc,university of delhi.- 1 clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. 2 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:2:4 (1 cement : 2 coarse sand (zone-iii) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 3 demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge.nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 4 disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. 5 constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with r.c.c. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-iii) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-iii) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design : inside size 90x80 cm and 45 cm deep including c.i. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) : with common burnt clay f.p.s. (non modular) bricks of class designation 7.5