Urban Local Bodies has published Annual Maintenance And Emergent Replacement Of Sluice Valve And N.R.V. Of Different Pump House Of Ward No 28 Under Bidhannagar Municipal Corporation For One Year .. Submission Date for this Tender is 06-04-2023. Pump Supply Tenders in bidhannagar West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Taking out existing vertical and horizontal pipe line upto 300 mm dia C.I.D.F.pipe from the water tanker line and lowering the same without damaging of pipe and specials. |
| 2 | Labour charges for laying C.I.D.F. pipeline upto 300 mm in proper alignment either above ground or under ground, vertical or horizontal line as per direction of E.I.C. |
| 3 | C.I. sluice valve with flanged ends drilled to as per I.S. 1358/62 and having all cast iron components as per I.S. 780/71 solid forged bronze inside screw spindle having ultimate tensile strength not less than 4.72 MT per sq. cm(a)200 mm S.V |
| 4 | (b)150mm Sluice Valve |
| 5 | (c)150 mm diaN.R.V. |
| 6 | (d)100mm diaS.V |
| 7 | Supplying fitting &fixingstainless steel spindle with brush for 150 mm dia sluice valve including dismantling & refixing the body of the sluice valve with necessary bolt and nots washers as necessary as per direction of Engineer in charge |
| 8 | Renewing specials only of cast iron spun pipe conforming to I.S.1536/1976 including cutting trenches in any soil or through masonry, concrete etc., if necessary and mending good damages including jointingwith Tyton joints as per manufacturer"s specifications excluding the costof concrete or masonry work, if required, but including the cost of filling up trenches (for all dia. specials, payment will be made on the basis of actual weight of the specials). |
| 9 | Making flanged joints to flanged CI/DI pipes and specials of the following nominal diameter with rubber insulator ,bolts and nuts of approved quality as per instruction of Eng.in charge including cost of the rubber insulator bolts and nuts .a)200mm dia. |
| 10 | b)150mm dia. |
| 11 | c)100mm dia |
| 12 | Sluice valve chamber with C.I. heavy cover with locking arrangement, (weight not less than 25 kg) (size of chamber 450 mm X 600 mm inside upto 900 mm depth) 250 mm thick cement brick walls (6:1), 150 mm thick cement concrete (6:3:1) bed with stone chips, 20 mm thick cement plaster (6:1) for inside wall and 15 mm thick cement plaster (4:1) for outer walls including rounding corners. |
| 13 | Dismantling upto 100mm sluice valve by parts and cutting out worn out bolts and reassembling the same after regrinding valve, rewashering flanges, asbestos diamond packing including studs,bolts, nuts and necessary repairs. |
| 14 | Supplying Fitting and M.S Plate 20mm thick including gas cutting & grinding .a)150mm dia. |
| 15 | Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenanceworks related to leakage. breakage and making wet connections. |
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