A/R and M/O Drains in NCT of Delhi

Construction of coffer dam made of earth and protected with earth filled gunny bags/ HDPE bags placed on either side slope of coffer dam of suitable dimension as per requirement at site of work to withstand the pressure of standing/flowing water of the drain in order to keep the working area free from incoming water/water coming through any broken water mains and subsequent removal upon completion of work upto DBL of the drain to the satisfaction of the Engineer-in-charge.

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. All kinds of soil

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lift.

Extra for every additional lift of 1.5 m or part thereof in excavation /banking excavated or stacked materials.All kinds of soil.

Surface dressing of the ground including removing vegetation and in equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.All kinds of soil

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-lll) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Extra for laying concrete in or under foul positions.

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 in design mix shall be payable separately. In case the cement content 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 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 in design mix shall be payable separately. In case the cement content 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 M15 grade with minimum cement content of 240 kg /cum

Centring and shuttering including strutting, propping etc. and removal of form for.Foundations, footings, bases of columns etc. for mass concrete.

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

Centring and shuttering including strutting, propping etc. and removal of form for.Suspended floors, roofs, landings, balconies and access platform.

Centring and shuttering including strutting, propping etc. and removal of form for.Columns, Pillars, Piers, Abutments, Posts and Struts

Centring and shuttering including strutting, propping etc. and removal of form for.Vertical and horizontal fins individually or forming box louvers band, facias and eaves boards

Centring and shuttering including strutting, propping etc. and removal of form for.Edges of slabs and breaks in floors and walls. Above 20 cm wide

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 Fe-500D or more.

Providing and fixing in position copper plate as per design for expansion joints.

Providing and filling in position, blown bitumen in expansion joints.

Providing and fixing in position 12mm thick bitumen impregnated fiber board conforming to IS: 1838, including cost of primer, sealing compound Grade-A in expansion joints.

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced 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 1S: 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, finishing and reinforcement 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 specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. Concrete of M35 grade with minimum cement content of 370 kg /cum

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)

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :Cement mortar 1:6 (1 cement : 6 coarse sand)

Providing and fixing bolts including nuts and washers complete.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand). Dark shade pigment using ordinary cement

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion.(i) Single socketed pipes.110 mm diameter

Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams.

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

Neat cement punning.

Finishing walls with water proofing cement paint of required shade :New work (Two or more coats applied @ 3.84 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work

Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like.

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.

Supplying and stacking of hard stone (for stone pitching) 22.5 cm thick at site.

Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. (Payment for Stone to be made separately).

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : Moorum

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : Stone aggregate 20 mm nominal size

75 mm thick back filling for pitching including supplying of required materials and consolidation etc. complete with : Stone aggregate 40 mm nominal size

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 :- 500 mm dia. R.C.C. pipe

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.

Supply of earth including excavation, banking excavated earth in layers not exceeding 20 cm in depth, breaking clods watering, rolling each layer with 1/2 tonne roller, or wooden or steel rammers and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions by mechanical transport within 10 km. lead and lift upto 1.5m including royalty.

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