Delhi Development Authority-DDA has published Tender For Maintenance Of Schemes Under Na-Ii, Rohini Zone.Sh: -Repair Of Road From Rithala Bridge Connecting To Kanjhawala T Point In Sec-4(Extn),Rohiniic/Repair Of Footpath,Centralverge,Road Berms & Drain. For The Year 2023-24.. Submission Date for this Tender is 16-05-2023. Road Work Tenders in rohini Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.a) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 2 | Earthworkinexcavationbymechanicalmeans(Hydraulicexcavator)/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. a) All kinds of soil |
| 3 | Earth work in excavation by mechanicalmeans (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. a ) All kinds of soil. |
| 4 | Carriage of earth by mechancial transport for a lead of 2 km including loading and unloading all complete as per direction of Engineer-in-charge. |
| 5 | Preparation and consolidation of sub grade with power road roller of8 to 12 tonne capacity after excavating earth to an average of 22.5cm depth, dressing to camber and consolidating with road rollerincluding making good the undulations etc. and re-rolling the subgrade and disposal of surplus earthwith lead upto 50 metres. |
| 6 | Supplying and stacking at site. A ) 90 mm to 45 mm size stone aggregate |
| 7 | 63 mm to 45 mm size stone aggregate |
| 8 | 53 mm to 22.4 mm size stone aggregate |
| 9 | Stone screening 13.2 mm nominal size (Type A) |
| 10 | Stone screening 11.2 mm nominal size (Type B) |
| 11 | Red bajri |
| 12 | Laying, spreading and compacting stone aggregate of specified sizesto WBM specifications in uniform thickness, hand picking, rollingwith 3 wheeled road/vibratory roller 8-10 tonne capacity in stages toproper grade and camber, applying and brooming requisite type ofscreening / binding material to fill up interstices of coarse aggregate,watering and compacting to the required density . |
| 13 | Providing and applying tack coat using bitumen emulsion conformingto IS:8887, using emulsion pressure distributer including preparingthe surface & cleaning with mechanical broom. a) With medium setting bitumen emulsion.i) On W.B.M / W.M.M. @ 0.4kg/sqm |
| 14 | On bituminous surface @ 0.25kg/sqm |
| 15 | Providing and laying Dense Graded Bituminous Macadam usingcrushed stone aggregates of specified grading, premixed withbituminous binder and filler, transporting the hot mix to work site bytippers, laying with paver finisher equiped with electronic sensor tothe required grade, level and alignment and rolling with smoothwheeled, vibratory and tandem rollers as per specifications to achievethe desired compaction and density, complete as per specificatonsand directions of Engineer-in-Charge. a) 50 to 100 mm average compacted thickness with bitumenof 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 TPHcapacity. |
| 16 | Providing and laying Bituminous concrete using crushed stoneaggregates of specified grading, premixed with bituminous binderand filler, transporting the hot mix to work site by tippers, laying withpaver finisher equiped with electronic sensor to the required grade,level and alignment and rolling with smooth wheeled, vibratory andtandem rollers to achieve the desired compaction and density as perspecification, complete and as per directions of Engineer-in-Charge. a) 40/50 mm compacted thickness with bitumen of gradeVG-30 @ 5.5% (percentage by weight of total mix) andlime filler @ 3% (percentage by weight of Aggregate)prepared in Batch Type Hot Mix Plant of 100-120 TPHcapacity. |
| 17 | Carriage of C & D waste recived from construction site from Rohini to rani Kherea C&D waste plant i/c loading,unloading all lead and lift etc.All complete as per direction of Engineer-in-charge.All the charges applicable for C&D waste plant shall be borne by the agency and nothing extra shall be payable from this item. |
| 18 | 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 (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 19 | 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 20 | Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: a)Cement mortar 1:4 (1 cement : 4 coarse sand) |
| 21 | 12 mm cement plaster of mix : a) 1:4 (1 cement: 4 coarse sand) |
| 22 | Neat cement punning. |
| 23 | Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work;usingcoarse aggregate and fine aggregate derived from natural sources,Portland Pozzolana / Ordinary Portland /Portland Slagcement,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 allleads;butexcludingthecostof centering, shuttering,finishingandreinforcementas perdirectionof the engineer-in- charge; for the following grades of concrete.A) All works upto plinth level. a) Concrete of M25 grade withminimum cement content of 330 kg /cum.Note: Nothing extra shall be paid if extra cement is used.the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. |
| 24 | Centering and shuttering including strutting, propping etc. and removal of form for a) Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 25 | Suspended floors, roofs, landings, balconies and access platform |
| 26 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.a) Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 27 | Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality A)EHD - 35 a) Circular shape 560 mm internal dia |
| 28 | Taking out existing kerb stones of all types from footpath/ centralverge, including removal of mortar etc., disposal of unserviceablematerial to the dumping ground, for which payment shall be madeseparately and stacking of serviceable material within 50 metre leadas per direction of Engineer-in-Charge. |
| 29 | Laying at or near ground level old kerb stones of all types in positionto the required line, level and curvature, jointed with cement mortar1:3 (1 cement : 3 coarse sand), including making joints with or withoutgrooves (thickness of joints, except at sharp curve, shall not bemore than 5 mm), including making drainage opening whereverrequired etc. complete as per direction of Engineer-in-charge. (Lengthof finished kerb edging shall be measured for payment). (Old kerbstones shall be supplied by the department free of cost) |
| 30 | Providing and laying at or near ground level factory kerb stone of M- 25 gradeof C&D waste 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). |
| 31 | Taking out existing CC interlocking paver blocks from footpath/ centralverge, including removal of rubbish etc., disposal of unserviceablematerial to the dumping ground, for which payment shall be madeseparately and stacking of serviceable material within 50 metre leadas per direction of Engineer-in-Charge. |
| 32 | Laying old cement cocrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern overand including 50 mm thick compacted bed of coarse sand, filling thejoints 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) |
| 33 | Providing and laying 60mm thick factory made cement concrete paver block of approved shape and colour of M -30 grade made of C&D waste by block making machine with vibratory compaction laid in required pattern and including over 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge. |
| 34 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :a ) One or more coats on old work |
| 35 | Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :a) Two or more coats on new work |
| 36 | Providing and applying 2.5 mm thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic materialby fully/ semi automatic thermoplastic paint applicator machine fittedwith profile shoe, glass beads dispenser, propane tank heater andprofile shoe heater, driven by experienced operator on road surfaceincluding cost of material, labour, T&P, cleaning the road surface ofall dirt, seals, oil, grease and foreign material etc. complete as perdirection of Engineer-in-charge and accordance with applicablespecifications. |
| 37 | Add for revised GST @18% in place of 12% ie 6.33% on 31060317.04 |
| 38 | addcost index@ 7 % |
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