Delhi Development Authority-DDA has published Tender For Maintenance Of Various Colonies Under Nazul A / C-Ii Dwarka Zone. Repair And Maintenance Of Stp Water Lines Under Network No. 1 To 4 In Dwarka. Submission Date for this Tender is 18-03-2024. Sewage Treatment Plant Tenders in dwarka Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | 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 lift upto 1.5 m, as directed by Engineer-incharge. (a) All kinds of soil |
| 2 | 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 m and lift upto 1.5 m. |
| 3 | Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge. |
| 4 | Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineerin-charge. (Old CC paver blocks shall be supplied by the department free of cost). |
| 5 | Providing and laying 60mm thick faciory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge. |
| 6 | Dismantling 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 : (a) Water bound macadam road |
| 7 | 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) |
| 8 | 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 1:4:8 or leaner mix (i/c equivalent design mix) |
| 9 | Providing and laying D.I. Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 : (a)Up to 600 mm dia |
| 10 | Providing, laying, jointing and testing S&S Centrifugally Cast Ductile Iron double chamber Class K-9 pressure pipes conforming to IS : 8329:2000 with restrained joints (bolt less), all complete. (a) 100 mm nominal dia pipe |
| 11 | (b) 150 mm nominal dia pipe |
| 12 | (c ) 200 mm nominal dia pipe |
| 13 | (d) 250 mm nominal dia pipe |
| 14 | ( e) 300 mm nominal dia pipe |
| 15 | (f)400 mm nominal dia pipe |
| 16 | Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like by Engaging a pump se of capacity 4000 litres per hour for dewatering including fuel, operator and other over heads |
| 17 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : (a) 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 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 | Providing & laying high density poly ethylane (HDPE) pipe PE-80 (IS 4984) i/c fittings of working pressure 6kg/cm2 i/c jointing of pipes and testing complete with all lead and lift as per direction of Engineer-in-charge. a) 110mm outer dia meter (4" nominal bore). |
| 20 | b). 160mm outer dia meter (6" nominal bore) |
| 21 | Moling/drilling up 300mm dia, Bore with trenchless method by manual/mechanical means under the road or any other required places on all types of soil including hire & running charges of all equipments, tools, plants and machineries required for the job all complete as per direction of Engineer-in-charge, required length and depth below the ground level. |
| 22 | Supplying, assembling and fixing in longitudinal position in trenchless bore, ERW (Electric Resistance Welded) FE-410 mild steel screwed and socketed/plan ended pipes of required dia confirming to IS: 4270 of reputed & approved make, included pointed with out side surface with two coats of anticorrosive paint of approved brand and manufacturer, including required hire and labour charges fittings & accessories, all complete, for all length as per direction of Engineer-in-charge (a) 150mm dia having min wall thickness 5.50mm |
| 23 | 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. |
| 24 | Providing and laying S&S centrifugally cast (spun) iron pipes (Class LA) conforming to IS - 1536 : (a)300 mm dia pipe |
| 25 | Cleaning and desilting of UGR STP tank of any width & depth including takingout west/semi-wet, sludge, silt, malba, rubbish etc. (including dead animals etc) and disposal of the excavte material same within so meter lead and for all lift/depth and creating obstruction in the smooth flow of drain in or under water for liquid mud including pumping and water if required in or under foul conditions all complete as per directions of Engineer-in-Charge. |
| 26 | 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. Note: photography/Videography shall be done by the agency on regular basis (work execution days)before & after the work. |
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