M/o Drain (C/o RCC Drain and Covering of Drain From Sector-71 Underpass to Spectrum Mall, Phase-II towards Sector-50 Metro Station Along Sector-71, 73, 74 and 75 Side on 75.00 Mtr Road) Noida.

Demolishing brick work manually / 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

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 excavated lead 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

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 stone aggregate 40 mm nominal size) DSR 18/I.No. 4.1.8/P-

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level, Thermo Mechanically Treated bars of grade Fo_500D or more. Iten No.-5.22.6

Centring and shuttering including strutting, propping etc. and removal of form work for. Foundation, footings, bases of Columns etc for mass concrete.

Centering and shuttering including strutting, propping etc. and removal of form for : Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying, excluding the cost of centering, shuttering finishing and reinforcement, including cost of 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 the Engineer - in - charge. (Note :- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately). All works upto plinth level

Fabrication & Manufacturing of Prestressed Hollow Core slab (Hollow area 25 to 30%) of different thickness & modular width 1200 mm in Controlled Factory Environment with approved methodology informing to IS 10297- 1982 conforming to IS:10297- 1982 by using long line casting method having arrangement of proper steel bed. Concreting should be done by batch mixing plant capable of producing zero slump concrete,transported through automatic shuttels of standard make &layed on bed with the help of extruder/Slipformer, finishing,curing and also provision of steam curing. Cutting, making necessary cutout/holes of required sizes for services in slab element after achieving required strength, yard handling &stacking all complete as per approved shop drawings & design mix as per the direction of the Engineer-in-charge.(Cost of strands should be paid separately). Note : Excess/ less cement over the specified cement content used as per design mix is payable/recoverable separately. 26.73.1 Concrete Grade-M-40(cement content 400 kg ) 26.73.1.1 100 mm thick hollow core slab

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.

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.