tender for improvement development of -lane by pdg. rmc from h.no.1721 to h.no.1722, h.no.1723 to h.no.1728 gali no.125 in shanti nagar at tri nagar ward no.63/kpz tri nagar, dsr dar civil-2018 and approved items- 1 imp. dev. of 2 15.2.1: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) 3 2.10.1.2:excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil. and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within alead of 50 m:pipes, cables etc. exceeding 80 mm dia but not exceeding 300 mm dia 4 19.1.2:providing, laying and jointing glazed stoneware pipes class sp - 1 with stiff mixture of cement mortar in the proportion of 1:1 ( 1 cement : 1 fine sand) including testing of joints etc. complete:150 mm diameter 5 19.2.2:providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) all - round s.w. pipes including bed concrete as per standard design:150 mm diameter s.w.pipe 6 19.6.3:providing and laying non-pressure np2 class (light duty) r.c.c. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 ( 1 cement : 2 fine sand) including testing of joints etc. complete:250 mm dia r.c. c. pipe 7 19.9.1.1:constructing brick masonry circulartype manhole 0.91 m internal dia at bottam and 0.56m dia at to[ in cement mortar 1:4 (1 cement : 4 coarse sand), in side cement plaster 12 mm thick with cement mortar 1:3 ( 1 cement: 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 mix ( 1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size ), and making necessarychannel 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, all complete as per standard design:0.91 m deep with s.f.r.c cover and frame (heavy duty, hd-20 grade designation) 560 mm internal diameter conforming to is: 12592, total weight of cover and frame to be not less than 182 kg, fixed in cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately):with cement burnt clay f.p.s. (non modular) bricks of class designation 7.5 8 19.19.3.1:providing and fixing in position pre-cast r.c.c. manhole cover and frame of required shape and approved quality.h d - 20circular shape 560 mm internal diameter 9 19.21.1:making connection of drain or sewer line with existing manhole including breaking into and making goodthe walls, floors with cement concrete 1:2:4 mix( 1 cement:2 coarse sand: 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 ( 1 cement: 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete.for pipes 100 to 250 mm diameter 10 19.26.4:raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (raising depth of manhole to be paid separately :circular manhole 140 cm dia with circular cover 600 mm dia of grade ehd - 35 11 19.27.1:constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 ( 1 cement: 4 coarse sand) including 500x450 mm pre- cast r.c.c. horizontal grating with frame complete as per standard design:with common burnt clay f.p.s(non modular) bricks of class designation 7.5 12 16.64:providing and laying 75 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc.complete as per direction of engineer-in- charge. 13 16.75:providing and laying c.c. pavement of mix m-25 with ready mixed concrete from batching plant. the ready mixed concrete shall be laid and finished with screed board vibrator , vacuum dewatering process and finally finished by floating, brooming with wire brush etc. complete as per specifications and directions of engineer-in-charge. (the panel shuttering work shall be paid for separately). (note:- cement content considered in this item is @ 330 kg/cum. excess/less cement used as per design mix is payable/ recoverable separately). 14 1.1.1_20:disposal of materials by mechanical transportincluding loading ,unloading and stacking lime ,moorum, buildingrubbish for lead 20 km 15 110.10:providing and fiving name board made of ms sheet 90x60cm, 1mm thick with frame of ms angle 50x50x6mm, two diagonal braces at the back of the sheet of ms flat 40x6mm, total height of the board above ground level 2.40m, length of legs below ground 0.30m embedded in cc block 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size) 30x30x45cm including excavation and removal of surplus earth with in 50m lead, applying priming coat of approved steel primer, painting with synthetic enamel paint of approved quality and lettering with enamel paint of approved colour (one side) as per drawing/direction of engineer-in-charge