National Hydroelectric Power Corporation Limited has published Tender For Restoration Of Damaged Hm Components At Teesta-V Power Station, 510 Mw (3 X 170Mw), Located In East Sikkim District Of Sikkim State , India.. Submission Date for this Tender is 16-11-2023. Substation Tenders in East Sikkim Sikkim. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Spillway Radial Gates complete in all respect including skin plate (AISI 304), stiffener, girders, arms, trunnion, guide rollers etc, as described in technical specifications. |
| 2 | Replacement of sill beam |
| 3 | Restoration of Embedded parts (Cylinder supports, wall plates, lintel beams etc.) |
| 4 | Hydraulic Cylinder complete in all respect including suitable arrangement for gate position indication as described in technical specifications. |
| 5 | Hydraulic Power packs complete in all respect including Piping, Electrical Control Panels etc. |
| 6 | Steel liner (32mm thick), for the size 9.0m x 31.2m (Approx.) on the surface of dam bay starting from approximately 8m upstream of dam axis to a length of approximately 23.2m in the downstream of dam axis (Total length 31.2m approx). |
| 7 | Removal of damaged glacis steel liner |
| 8 | Gasoline engine operated portable power pack unit complete in all respect. |
| 9 | Electrically operated portable oil filter unit complete in all respect for online filtering of power pack hydraulic oil. |
| 10 | Low Vacuum dehydration and degasification unit complete in all respect. |
| 11 | Spare parts for item No. 1.1 as per PTS clause No. 14 |
| 12 | Spillway Stoplog Gate and Gantry crane |
| 13 | Spillway stoplogs(slide type) in 6 units/set (One top unit and 5 interchangeable units of 2.385m tentative X 9 m). Out of 12 units (for 2 sets) 2 units ( 1 top unit and 1 interchangeable unit) are available at site. |
| 14 | Restoration/ Refurbishment ofstoplogs (slide type) 2 units |
| 15 | Replacement of sill beam |
| 16 | Restoration of Embedded parts (track, top seal beam, bumper track etc.) |
| 17 | Rails for for Gantry crane |
| 18 | Gantry Crane (50T) complete in all respect and control equipment for 2.1 as described in technical specifications. |
| 19 | Lifting Beam including probe mechanism |
| 20 | Dogging arrangement |
| 21 | Grating cover for spillway stoplog groove |
| 22 | Spare parts for item No. 2.1 as per PTS clause No. 14 |
| 23 | Environmental flow pipe, Valves and Mono rail Hoist |
| 24 | Discharge Pipes (1500mm dia.) approx. 100m length including bend, transition pieces, supports etc. |
| 25 | Fixed trash rack screen at the entry (u/s) of Environmental Flow pipe |
| 26 | Electro mechanically actuated flow regulating gate valve (1500mm dia.), supports, dismantling joints etc. complete with all accessories and appurtenance. |
| 27 | Electro mechanically actuated Knife edge gate valve (1500mm dia.), supports, dismantling joints etc. complete with all accessories and appurtenance. |
| 28 | Pendent controlled Electrically operated mono rail hoist (5T) complete in all respect with control equipment |
| 29 | Intake gate, Hoists & TRCM cum Gantry Crane |
| 30 | Repair/ Refurbishment of Intake gates (Service and Stoplogs) including hoists and Structure |
| 31 | Repair/ Restoration/ Refurbishment of damaged TRCM cum Gantry crane |
| 32 | Repair/ Restoration of Lifting beam |
| 33 | Rails for for TRCM cum Gantry crane |
| 34 | Grating cover for intake stoplog groove |
| 35 | Spare parts for intake gates (service & emergency) & TRCM CUM Gantry crane as per PTS clause No. 14 |
| 36 | Intake Trashrack |
| 37 | Trash racks for complete intake openings (comprising 54 Nos. of trash rack panels) |
| 38 | Restoration of Embedded parts for complete trash rack openings |
| 39 | Desilting chamber gate & EOT |
| 40 | Repair/ Refurbishment of Desilting chamber gate |
| 41 | EOT crane (35T) complete in all respect and control equipment as described in technical specifications. |
| 42 | Rails for for EOT crane |
| 43 | Spare parts for Desilting Chamber gates & EOT Crane as per PTS clause No. 14 |
| 44 | SFT Gate & Hoists |
| 45 | Repair/ Refurbishment of SFT gates including hydraulic hoists and fittings. |
| 46 | Restoration of power pack and control panels for 3 No. Service gate & 3 No. Emergency gate |
| 47 | Removal of all damaged parts (Radial gate limb plates, cylinders, sill beam etc.) |
| 48 | Instrumentation and Remote control system |
| 49 | PLC based Remote Control System, complete in all respects as described in GTS /PTS |
| 50 | Following instruments shall also be provided at their respective locations complete in all respects and is not part of PLC system. |
| 51 | a) Three (3) sets of Differential pressure measurement and indication equipments across Intake Trash Racks. |
| 52 | b) Battery bank (110 Nos. of 2V each, 100AH VRLA batteries) along with battery charger panel. |
| 53 | Main Distribution board and feeder pillarsfor HM equipments at Dam & intake area |
| 54 | Spare parts for item No. 9.1 as per PTS clause No. 14 |
| 55 | TRT Gates |
| 56 | Checking the gate for functionality of wheels, bearings (replacement if required), guide etc |
| 57 | Spare parts for TRT Gates as per PTS clause No. 14 |
| 58 | DG Set |
| 59 | Diesel Generator Set (500KVA) complete in all respect with Mounting Frame, acoustic enclosure, control panels and change-over system etc. |
| 60 | 4KL Disesel tank |
| 61 | Spare parts for item No. 11.1 as per PTS clause No. 14 |
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