Tender For Maintenance of Drain (Repair Of Rcc Drain From Skymark Sector-98 To Small Underpass) Noida, 1 Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using coarse aggregates as well as fine aggregates derived from natural sources and cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.(Note: Cement content considered in this item @330 kg/cum. excess/less cement used as per design mix is payable/ recoverable separately) All works above plinth level up to floor V level. DSR 18/I.No. 5.33.2 2 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Cold twisted bars. 3 Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor,etc., up to floor five level, excluding the cost of centering, shuttering and finishing :1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) 4 Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exccding 30 cm in depth, 1.5m in width or 10 sqm on plan) including disposal of excavatedlead upto 50 mtr. & lift upto 1.5Mtr. dispose earth to be leveled & dressed. : All kinds of soil. The Contractor has to detect Different utilities like sewer line, water Supply line, electric cable, telephone cable, gas pipe line etc. using utility detecting machine before start of excavation and shall start excavation only after getting permission of Engineer-in-Charge 5 Earth work in excavation by machanical means (Hydraulic excavator) / manual means in foundation trenches ordrains (not exceeding 1.5 m in width or 10 sqm on plan),including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. The contrator has to detect different utilities like sewer line, water supply line, Electric cable, Telephone cable, Gas pipe line etc. using utility detecting machine before start of excavation and shallstart excavation only after getting permission of Engineer-in-charge. 6 Dismantling Kerb Stone ( Dismantling kerb stone by manual mean and disposal of dismantled material with lifts and up to a lead of 1000 meter) 7 Taking out existing CC interlocking Paver Blocks from footpath/central verge, including removal of rubbish etc. disposal ofunserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge (DSR 2016/ I.No. 16.83/P-280) 8 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix) DSR 18/I.No. 15.2.2 9 Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. 10 Demolishing brick workmanually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar ,DSR-2018/Item no. 15.7.4 11 Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level 1:4:8 (1 Cement : 4 coarse sand : 8 graded stoneaggregate 40 mm nominal size) DSR 18/I.No. 4.1.8/P- 12 Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including disposal of excavated upto 50 m and lift upto 1.5 m disposed soilto be levelled and neatly dressed. All kinds of soil. (DSR-2016/I-2.1.1/P-64) 13 P/L factory made coloured chamfered edge cement concrete paver blocks of required strength, thickness & size/shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of fine sand, caompacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate/vibrator filling the joints with jamuna sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand in footpath, parks, lawns, drive ways or light traffic parking etc. complete as per manufactures specifications & Direction of Engineer in charge 60mm thick C.C. paver block of M-35 grade with approved colour, design & pattern. DSR-2018/I.No-16.91) 14 Construction of granular sub base by providing close graded material, spreding in uniform layers with motor grader on prepared surface, mixing by mix in place method with front end loader at OMC, and compacting with vibratory roller to achieve the desired density, complete as per clause 401 15 Providing & Laying in position cement concrete of specefied grade excluding the cost of centring and shuttering - All work upto plinth level -1:2:4 (1cement : 2 C-sand : 4 graded stone agg. 20MM N.S.) 16 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). 17 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 100 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand AOR 6.1.1 18 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 100 in foundation and plinth in: OLD BRICK AVAILABLE AT SITE 19 Removing mortar from bricks and cleaning bricks including stacking within a lead of 50 m (stacks of cleaned bricks shall be measured) : From brick work in cement mortar DSR:-18/15.8.3 20 12 mm cement plaster of mix : 1:4 (1 cement : 4 coarse sand) (DSR-18/I-13.4.1/P-222) 21 Neat cement punning. 22 Centering and shuttering including strutting, propping etc. and removal of form for : Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. 23 15 mm cement plaster of mix : 1:4 (1 cement : 4 coarse sand) (DSR-18/I-13.P-222) 24 Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding.DSR-18/ I.No: 14.72 25 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 loads including all lifts involved. 26 Laying old cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over and including 50mmthick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. (Old CC paver blocks shall be supplied by the department free of cost)
