Military Engineer Services-MES has published Special Repair And Replacement To External Electric Supply 33/ 11 Kv And Ht Vcb In South Area At Ge Nasirabad. Submission Date for this Tender is 30-01-2021. Electrification Work Tenders in Nasirabad Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Jan-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 30-01-2021 |
| Name of Work: SPECIAL REPAIR AND REPLACEMENT TO EXTERNAL ELECTRIC SUPPLY 33 11 KV AND HT VCB IN SOUTH AREA AT GE NASIRABAD | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Disconnecting of electric supply of vacuum circuit breaker and dismantling and lifting the vacuum circuit breaker using hydro/JCB/crane etc. and shifting to AGE E/M store yard complete all as directed by Engineer-in-Charge. | 41015B | 1 | Each Job |
| 2 | 2 | Supplying, installing, testing and commissioning 400 Amps VCB (vacuum circuit breaker), indoor type, totally enclosed metal-clad switchgear, rated voltage - 12 kV, operating voltage 11 kV, rated short duration power frequency withstand voltage- 28 kv for 1 min, rated lighting impulse withstand voltage- 85 kV, rated frequency - 50 Hz, rated normal current - 400 Amps, rated short time withstand current -21 kA for 3 seconds, rated peak withstand current -52.5 kA, rated duration of short circuit - 3 sec, rated operating sequence– O-3 min-CO-3-min-CO, copper busbar, single panel switch board, vertical or horizontal isolation and horizontal draw out type, single break tip free breaker with SPMX mechanism, mounted on truck carriage, complete with self-contained operated fully interlocked rack out mechanism, extensible pattern with automatic deop download independent spring charging type motor operated circuit closing mechanism including motor suitable for operation on 230 volts, single phase complete all as specified and as directed.\n\nMake: CROMPTON GREAVES / SCHNEIDER / SEIMENS / ABB or as approved by GE. | 19649G | 1 | Each |
| 3 | 3 | S & F in repairs gas-operated relays with magnetic reed switch for oil filled transformer of nominal pipe bore 50 mm suitable for 1001 kVA to 10000 kVA rating transformer, IP 65 protection degree, types of faults as per Table 1 of IS 3638: 1966 to be operated by relay, conforming to IS 3637: 1966 complete all as specified and as directed. | 19943E | 1 | Each |
| 4 | 4 | S & F in repairs control cable for control relays for dc voltage upto 1500 V, 10 core, 2.5 sqmm, stranded copper conductor, armoured, insulated, sheathed as per IS 1554 (Part 1): 1988 complete all as specified and directed. | 19944B | 100 | Running Metre |
| 5 | 5 | Disconnecting existing incoming & outgoing connections and repair, overhauling and maintenance of VCB panel, 11 kV, vertical or horizontal isolation, installed with VCBs and connected relays/ accessories including checking of different functional parts and setting/ calibration of VCB installations including the followings: -\r\n\r\n(a) Cleaning of Vacuum Circuit Breaker with CRC-226.\r\n(b) To check the condition of SIC contacts.\r\n(c) Checking condition and alignment of jaw contact.\r\n(d) Checking and proper tightening of hardware.\r\n(e) Checking of proper closing/ open of all poles.\r\n(f) Checking of breaker tripping through push button.\r\n(g) Checking and adjusting gap between hylem sheet and side plate.\r\n(h) Checking motor operation in case of EDO.\r\n(i) Checking auxiliary contacts continuity proper.\r\n(j) Checking of presence if circlips.\r\n(k) Checking IR between phase to phase (VCB closed condition).\r\n(l) Checking IR between phase to earth (VCB closed condition).\r\n(m) Checking IR between phase to earth (VCB open condition).\r\n(n) Cleaning and providing lubricants on movable mechanical parts.\r\n(o) Testing of relays through secondary injections.\r\n(p) Tripping of VCB through Buchholz relay/ OTI/WTI if required.\r\n(q) Testing of CTs and PT.(s) Testing of contact resistance of VCBs\r\nNote: -\r\n(i) The quoted rate shall be inclusive of required T & P for including servicing, overhauling, calibration and testing etc. \r\n(ii) The new spare parts required for replacement shall be paid and measured separately as Supply only.\r\n(iii) Servicing, overhauling, calibration and testing etc. shall be carried out as per the Manufacturer’s instructions/ guideline and by the authorised rep of the manufacturer. The certificate shall be rendered by the company for effective and properly functioning of the VCB. The original test certificates shall be submitted in duplicate. The quoted rate shall be inclusive of this aspects. | 44001A | 1 | Each Job |
| 6 | 6 | S & F in repairs IDMT relay (3 Phase Over Current + Earth Fault Relay), operated on 24V DC Supply as per Model No. MC31A of L&T or equivalent of Make mentioned under Appendix "B" complete all as specified and as directed. | 44001C | 1 | Each |
| 7 | 7 | S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core, 50 sqmm to 95 sqmm complete all as specified and as directed. | 19208D | 1 | Each |
| 8 | 8 | S & F XLPE cable end termination, heat shrinkable, indoor type complete with jointing material and accessories suitable for voltage 6.35 kV/ 11 kV (Earthed), 3 core, 50 sqmm to 95 sqmm complete all as specified and as directed. | 19203D | 1 | Each |
| 9 | 9 | Disconnecting, taking out old unserviceable under ground cable of rated voltage 11 kV, nominal cross sectional area of main conductor 95 sqmm, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for reuse or for taking credit (credit for above items should be made as per conditions separately) all as specified and directed by the Engineer-in-Charge. | 19272B | 80 | Running Metre |
| 10 | 10 | Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 6.35 kV/ 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing complete all as specified and as directed. | 19272A | 80 | Running Metre |
| 11 | 11 | Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed. | 03006A | 19.44 | Cum |
| 12 | 12 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed. | 03009A | 13.9 | Cum |
| 13 | 13 | Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point | 03029A | 5.54 | Cum |
| 14 | 14 | Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly. | 03019C | 4.37 | Cum |
| 15 | 15 | M & L for laying of bricks locally available sub class 'B' bricks, non-modular sizes as per IS 1077: 1992 for cable protection cover laid flat and dry in trenches over the cable perpendicular to the direction of cable all as directed. | 19216C | 590 | Each |
| 16 | 16 | Supplying & laying in trenches, in road cutting and along pole 80 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed. | 19838G | 6 | Running Metre |
| 17 | 17 | M & L for earthing complete with copper plate earth electrode 600 mm X 600 mm X 3.15 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 20 mm X 3 mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge. | 19474A | 2 | Each |
| 18 | 18 | Supply and erection in repairs of three piece metal oxide lightning arrestor suitable for 11 kV continuous operating voltage (3 phase) with rated voltage 12 kV (rms) with nominal discharge current rating of 2.5 kA and complete with galvanised clamping arrangements, GI bolts, nuts, washers etc. complete as specified and as directed. | 19633G | 1 | Set of three |
| 19 | 19 | Supply and fix electronic digital meter three phase four wire, TVM 110 Volt, 1A5A, class 0.5 with box suitable for 33/11KV supply including all connecting from ct to meter box all as specified and directed. | 19945A | 1 | Each |
| 20 | 20 | Supply & connect in replacement of battery 180 AH initially Charged 12 volts complete all as directed by Engineer-in-Charge. (Make:- EXIDE/Amron or equivalent) | 71022A | 2 | Each |
| 21 | 21 | Dismantling cross-arms of mild steel channel or angle sections etc. complete and setting aside for re-use or removing to store or for schedule of credit | 19293A | 0.5 | Quintal |
| 22 | 22 | M & L for cross arms, bracings, supports, clamps, back plates and stay clamp fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed. | 19016A | 0.5 | Quintal |
| 23 | 23 | M & L for broken stone/ boulders aggregate for loose filling, of gauge 40 mm to 80 mm graded complete all as specified and as directed. | 03058A | 4 | Cum |
| 24 | 24 | Supply & laying unreinforced precast concrete cable cover class HV type 2, flat shape, dimension 450 mm X 180 mm X 40 mm as per IS 5820: 1970 complete all as specified and directed. | 19221A | 150 | Each |
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