Development works in unauthorized colonies. C/o CC Road and Repair of S.W drain at Deep Vihar (Part-5) in Bawana AC (Regn.no.1071).

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 meters lead as per direction of Engineer –in – charge (a) 1:4:8 or Leaner Mix

Demolishing cement concrete manually / by mechanical means including disposal of material within 50 meters lead as per direction of Engineer –in – charge (b) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

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

Demolishing R.C.C. work by mechanical means and stockpiling at designated locations and disposal of dismantled materials up to a lead of 1 kilometre, stacking serviceable and unserviceable material separately including cutting reinforcement bars.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and plinth in : cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and laying factory made precast concrete solid block of 200 mm thickness of grade M-10 made of C&D waste from approved manufacturer in foundation & plinth in: (a)Cement mortar 1:6 (1 cement: 6 coarse sand)

12 mm cement plaster of mix (a) 1:6 (1 cement : 6 coarse sand)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work up to plinth level. (a) 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering. All work up to plinth level. (b)1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)

Providing and Laying 25mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 12.5mm nominal size) on the top of S.W. drain walls including centering and shuttering etc. complete.

Neat cement punning.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement All works upto plinth level : Concrete of M10 grade with minimum cement content of 220 kg /cum

Providing and laying ready mix cement concrete of M-30 grade, in roads using cement content as per design mix, using coarse sand and graded stone aggregate of 20 mm nominal size in appropriate proportions as per approved & specified design criteria including cost of admixtures in recommended proportions as per IS :9103 to accelerate/retard setting of concrete, improve workability without impairing strength and durability including pumping of R.M.C: from transit mixer to site, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/camber, finishing with required texture, booming with wire brush curing excluding the cost of centering, shuttering complete all as per directions of engineer-in-charge (minimum cement content required in M-30 is @ 350 kg/cum). Cement concrete manufactured in approved R.M.C. plant including transportation to site in transit mixture.

Deduct for not laying the concrete by using the pump, piping-work & accessories etc, as per direction of Engineer-in-charge

Providing and fixing pre-moulded joint filler in expansion joints of RCC roads / CC pavements after making the joints dust free with high pressure air jet cleaners, all complete as per direction of the Engineer-in-Charge. (Pre-moulded joint fillers shall be made of bitumen hot sealing compound impregnated fibre board having impregnation more than 35%, conforming to IS:1838 for fibre board and IS: 1834 for hot sealing bitumen compound grade A.)

Centering and shuttering including strutting, propping etc. and removal of form for : (a) Foundations, footings, bases of columns, etc. for mass concrete.

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement – All work up to plinth level 1:1:5:3 (1 cement : 1.50 coarse sand : 3 graded stone aggregate 20 mm nominal size)

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete Thermo Mechanically treated bars.

Providing and placing in position Red stone over S.W drains including Loading, unloading, carriage and T&P etc complete as per direction of Engineer-in-charge Red sand stone slab 30 mm thick (Undressed)

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

Providing and fixing in position pre cast R.C.C manhole cover and frame of required shape and approved quality EHD -35 Circular Shape 560 mm internal dia.

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.

Desilting of open drains, covered drains, culverts, pipe drain etc. by taking out silt, sludge, building rubbish earth mixed malba, dead animals, plastic bags & all type of floating, solid and semi-soilid malba / rubbish etc. from flowing water (including removing and replacing of drain cover) and stacking of waste material / silt /rubbish etc. within a lead of 50 meter and for all lifts in or under foul condition including pumping out water if required during desiltng including all required T & Ps (Disc rope, bamboos, steel road, suitable mechanical device, JCB, oxygen mask, sand bags, pump set, pump operator and diesel etc. required for de-silting) as per direction of Engineer-in-charge. The rate includes all the operation as above including working in foul condition and making all road safety measure during the execution of work. The payment of this item will be made on submission of the coloured photographs in two copies at an interval of every 50m of before and after cleaning of drains and a digital soft copy of the same. For Drain Widths from 0.30 mtrs to 0.60 mtr and depth of silt from 0.20 mtr to 0.60 mtrs

Item – 2 Disposal of silt, sludge, building rubbish, earth mixed malba, dead animals, plastic bags & all type of floating, solid and semi-solid malba/ rubbish received from desilting of drains by mechanical transport including loading, unloading upto DSIIDC approved MCD dumping site / recycled C&D waste plant within a lead of 24 km with all lifts as per the direction of Engineer-in-charge.

Credit cost for old brick

Correction factor on existing items of the DSR-2023 i.e. 0.973 (Or Less 2.7%)

Add Cost Index @ 3% on DSR 2023

Add 3% Maintenance Charges

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