Delhi Development Authority-DDA has published Maintenance Of Various Colonies Under South Zone Sh- Cleaning Of Ugr , Rcc Roof Tank , Cleaning Of Sewer Line And Providing And Laying Cement Concrete On Road Damaged By Bses At 852 Plus 362 ( Hig/Mig/Lig ) Houses Cluster-1 To 6 At Vasant Kunj .. Submission Date for this Tender is 13-04-2021. Road Work Tenders in SPD-4,DDA, Pocket A-14 Kalkaji Extension,New Delhi Delhi. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 09-Apr-2021 | Date Extension | Date | 13-04-2021 |
| Name of Work:M/o various colonies under South Zone. SH : Cleaning of U.G.R. , RCC roof tank, cleaning of sewer line & providing and laying cement concrete on road damaged by BSES at 852+362 (HIG/MIG/LIG) houses cluster-1 to 6 at Vasant Kunj. | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-\n(i)Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits.\n(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.\n(iii) Chlorination of RCC internal surface by liquid chlorine.\n(iv) The treated surface shall be dried using air jetting and all loose\nparticles shall be removal from the surface.\n(v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.\n | BI01010001010000000000000515BI0100001113 | 4821.6 | Sqm |
| 2 | 2 | Cleaning of chocked sewer line by diesel running vehicle mounting\nhydraulic operated high pressure suction cum jetting sewer cleaning\nmachine fitted with pump having 4000 litres suction capacity and\n6000 litres water jetting tank capacity including skilled operator,\nsupervising engineer etc. for cleaning and partial desilting of manholes\nand dechocking of sewer lines. Dechocking and flushing of sewer\nline from one manhole to another by high pressure jetting system of\n2200 PSI for sewer line from 150mm dia upto 300mm\n | BI01010001010000000000000515BI0100001114 | 1323.5 | metre |
| 3 | 3 | Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.\n | BI01010001010000000000000515BI0100001115 | 41.4 | cum |
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