Public Works Department-PWD has published Tender For Repair Maintenance Of Various Electrical And Mechanical Services Installed At Gtb Hospital, Shahdara, Delhi Sub Head Replacement Of Old Damaged Base Frame Of 320 Tr Cooling Tower And Its Accessories At Mch Ac Plant. Submission Date for this Tender is 08-05-2024. Electrical Maintenance Tenders in shahdara Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Replacement of old damaged/rusted Base frame of 320 TR COOLING Towers without disturbing /dismantling of existing cooling tower by Heavy Duty MS "I" Channel (Size of main BASE20cm H X 10 cm W, thickness not less than 10mm) & supporting iron angle i/c riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position according as per site requirement and applying a priming coat of approved steel primer all complete. |
| 2 | Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. |
| 3 | 150mm dia. BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/hot water circulation as specified |
| 4 | 150mm dia BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified. |
| 5 | 150mm dia. NON - RETURN VALVE with duel plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as specified. |
| 6 | 150mm dia. Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled/ hot water circulation including insulation as specified. |
| 7 | Providing and fixing in position the industrial type pressure gauge complete as required |
| 8 | Providing & fixing in position the mercury in glass industrial type thermometer complete as required |
| 9 | Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastomeric nitrile rubber of minimum 45 Kg / cu m density, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class "O" insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. |
| 10 | 400 mm dia. (32 mm thick insulation) |
| 11 | 150 mm dia. (32 mm thick insulation) |
| 12 | 80 mm dia. (32 mm thick insulation) |
| 13 | Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS ‘C’ class along with necessary clamps, vibration isolators and fittings such as bends, tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. And from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. |
| 14 | 400 mm dia 7mm thick |
| 15 | 200 mm dia. |
| 16 | 150 mm dia. |
| 17 | 100 mm dia. |
| 18 | 50 mm dia |
| 19 | Supplying, fixing, testing and commissioning of following size valves, gauges and strainers for condenser water circulation as per specifications. BUTTERFLY VALVE (MANUAL) with C I body SS disc nitrile sheet & O-ring & PN 16 pressure rating as specified. |
| 20 | 200 mm dia |
| 21 | 150mm dia. |
| 22 | 100mm dia. |
| 23 | 50 mm dia |
| 24 | Supplying, laying, fixing, testing and commissioning of 32 MM thickness closed cell electrometric nitrile rubber of class "O" applied by suitable adhesive, as per specifications and as required complete in all respect. |
| 25 | SITC of 1/2" MS Socket in the existing chilling/condenser pipe line i/c making hole complete etc as required at site |
| 26 | SITC of 1" MS Socket in the existing chilling/condenser pipe line i/c making hole complete etc as required at site |
| 27 | Supply, Installation, Testing and Commissioning of 25 MM sizes C.I BALL VALVE Maximum close off pressure shall not be less than 6 Bar, temp. range 10 degree to 200 degree Celsius . |
| 28 | Dismantle credit |
| 29 | old assorted /rusted MS Iron pipe, base frame, iron angle ,NRV,VALVE/Starter etc |
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