Public Works Department Tender

All works up to plinth level:

Concrete of M10 grade with minimum cement content of 220 kg /cum

Concrete of M15 grade with minimum cement content of 240 kg /cum

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level.

Thermo-Mechanically Treated bars of grade Fe-500 D or more.

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 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, 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.

All works upto plinth level

Concrete of M25 grade with minimum cement content of 330 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)

15 mm cement plaster on rough side of single or half brick wall of mix:

1:6(1 cement: 6 coarse sand)

Providing and applying tack coat using bitumen emulsion conforming to IS: 8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom.

With medium setting bitumen emulsion

On W.B.M / W.M.M. @ 0.4kg/sqm

On bituminous surface @ 0.25kg/sqm

Providing and laying Dense Graded Bituminous Macadam using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge.

50 to 100 mm average compacted thickness with bitumen of grade VG-30 @ 5% (percentage by weight of total mix) and lime filler @ 2% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge.

40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

Providing and laying factory made chamfered edge Cement Concrete paver blocks In foot path, park & lawns driveway or light & traffic parking etc. 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 course sand, compacting 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 sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand, all complete as per manufacturer's specifications & direction of Engineer in-Charge.

60mm thick Cement concrete paver block of M-35 grade with approved colour, design & pattern

Disposal of building rubbish/malba/ similar unserviceable dismantled or waste materials by mechanical means including loading, transporting and unloading the same at C & D Waste Management Site near Jahangir Puri Safai Karmchari Quarters at Burari Plant, including weighing at plant etc. complete as per direction of Engineer-in-charge. Weighing and unloading at the plant shall be as per procedures/ rules of the Plant Management. The rates are inclusive of all operation, labours, leads and lifts from site of work to the C & D Waste plant. (Processing fees at prescribed rate of C & D waste Management plant will be deposited by the agency and shall be reimbursed by the department on production of only original cash receipts). (Payments of this item shall be made on production of original Municipal dumping ground receipts).

Providing sand stone slab for roofing and laying them over wooden karries or R.C.C. battens or structural steel sections (Karries or battens or structural steel sections to be paid separately) Red sand stone slab 40 to 50 mm thick.

Providing and laying at or near ground level Red sand stone, kerb stone work ashlar sunk or moulded or sunk and moulded in position to required size, line & level in cement mortar 1:6 (1 cement : 6 coarse sand) including pointing with cement mortar 1:2 (1 white cement : 2 stone dust) with an admixture of pigment matching the stone shade : Red sand stone

Providing and fixing position precast reinforced cement concrete bollards of size 950mm height 150 mm dia vibro compacted accurately designed, moulds appropriate reinforced 4 nos. 8mm dia 950 mm long longitudinal reinforcement, (4 nos. 12mm dia 450mm long at bottom) and 4 mm dia stirrups 150mm center to center with plastic spaced and concrete grade of M-25 as per approved design/drawing. The bollards shall be fixed in CC block mix 1:2:4 (1 Cement : 2 coarse sand: 4 graded stone aggregate 20mm nominal size) and of size 30x30x30 cm including earth work in excavation, paint & etc. complete as per direction and instruction of Engineer-in-Charge.

Cold Milling of Asphaltic Surface/Pavement (Removal of BC/DBM or any asphaltic material from road Surface/Concrete Surface) in thickness of 25 to 100 mm so as to below in shape, slope and undamaged workable to lay fresh layer of asphaltic material in line, level, size, depths directed by Engineer-in-Charge including transportation and disposal of removed material from site for all lift and leads, cleaning of surface and making good or asphalting work including local repair of damages/ distress occurre after milling etc. complete as per method and machinery prescribed in IRC.