Delhi Development Authority-DDA has published Tender For Maintenance Of Various Colonies Under Nazul Account-Ii, Dwarka Zone.Sub-Head: Cleaning And Desilting Of Sw Drains Of 30M Road Of Sector-16, Dwarka.. Submission Date for this Tender is 15-04-2024. Drainage Tenders in dwarka Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Cleaning and desilting of peripherial and internal covered storm water drain, of any width and depth, including taking out wet/semi-wet sludge, silt and malba, rubbish etc(including any dead animal etc) and disposal of the excavated material for all lead and all lift/depthat Municipal dumping ground/low lying area and opening of drain cover, cleaning of bell mouth, kerb channel, removal of blockage, creating obstruction in smooth flow of drain in or under water/liquid mud including pumping out water, if required in or under foul condition.All complete as per direction of Engineer in charge (Photographs has to be submitted by agency). (For payment purpose, measurement of plan area of executed drain surface area) |
| 2 | Hiring of super sucker and jetting machine having sufficient capacity for effective depth up to 10 mt. i/c 20 HP Submersible pump set with electric panel board, 62.5 Kva Diesel generator set and suction hose pipe with all fittings i/c cost of manpower (2 Nos. driver, 4nos. Beldars, 2no. Operator) Diesel, lubricantsinsurance, safety equipments, Mobilization charges etc, all complete as per satisfaction of engineer-in-charge for 8hrs, Shift per day |
| 3 | Providing and placing in position 75 mm thick factory made machine batched & machine mixed Precast RCC Rectangular Covers on drains of footpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100mm c/c on both ways , neat cement punning on finished surface, properly encased on all edges with 1.6 mm thick , 75 mm wide MS sheet duly painted over priming coat ,reinforcement to be welded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc i/c cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge |
| 4 | 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-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources). |
| 5 | Re-fixing of RCC rectangular cover/inspection chambers of footpath by raising or depressing the rectangular covers in the same level/alignment of footpath for seamless pedestrian movement by dismantling extra material (Cement Concrete/R.C.C.), laying Cement concrete (1 cement:2 coarse sand :4 stone aggregate) at edges, brick work (1 cement:4 coarse sand) for raising if required all complete as per direction of Engineer-in-charge.(For payment purpose, net area inspection chamber is taken). Note: photography/Videography shall be done by the agency on regular basis (work execution days) before & after the work. |
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