OUT SOURCING OF SERVICES FOR OPERATION AND MAINTENANCE AT MRS PHASE III INCLUDING REPAIR MAINT OF HT BREAKERS TRANSFORMER HT PRIMARY PROTECTION AND CERTAIN REPAIR TO AC AT DEBEL UNDER GE I RD EAST BANGALORE

Amount

Operation and maintenance of 66/11 KV (MRS) sub station with DG set 63 KVA, HT/LT switch gear at Phase III area round the clock in three shifts each shift of 8 hrs including Sundays and General Holidays all as specified and directed as under :- Details of equipment are :- (a) Transformer 5000 KVA 66/11 KV – 1 Nos. (b) Transformer 100 KVA 11/0.433 KV – 1 No (c) HT VCB – 7 Nos (d) DG set 63 KVA – 1 No with AMF Panel. (e) Control and relay panel – 03 Nos (f) HT breakers – 5 Nos (g) LT Panel board – 2 Nos (h) Security lights. (j) Charger with battery bank – 1 No. Operating staff to be employed (i) 11 KV Switch board Attendent - 01 No for each shift (Total 3 shifts) (ii) Helper - 01 No for each shift (Total 3 shifts) (iii) The shift timings for first shift will be from 0600 hrs to 1400 hrs, second shift will be from 1400 hrs to 2200 hrs and third shift will be from 2200 hrs to 0600 hrs,

Notes : (The rates quoted by the contractor shall be includes for the following) 1. The rate quoted shall be inclusive of the reliever beyond the man power as per requirement 2. The contractos will be responsible for keep the Sub station and surrounding area neat & clean regularly for inspection. 3. If the operator will be absent from duty, recovery shall be effected at double the rate per shift as quoted. 4. Proper duty rosters/attendence reisters/log sheets will be maintained and signed by Engr-in-Charge/Contractor. 5. The rate quoted shall be inclusive of stationary/registers for maintaing substation maintenance/earth testing etc. 6. The rate quoted shall be inclusive of the cleaning material/cotton waste etc. 7. Switching ON/OFF of all street light/gate light all aroundPhase 3 to be carried out in evening and morning every day including Sunday and holidays 8. PF (Power factor) to be maintained above 0.9. In case PF recorded below 0.9 the penalty imposed by Karnataka State Electricity Board (BESCOM) shall be recovered from the contractor. 9. Necessay unioform duly stritching name plate and marked with trade of person shall be provided by the contractor to the operator as approved by the GE all as specified and

Supply & fix in replacement of old unserviceable Gang operating system 1250 Amps, 66 KV in main line feeder.

Supply & fix in replacement of old unserviceable Lighting arrestor 69 KV, Make: LAMCO/ABB/SCHNEIDER

Supply & fix in replacement of old unserviceable CT with new CT 66 KV, CT ratio 75 / 5 -5 A for 5 MVA Transformer Additional control relay panel for protection complete all as specified and as directed. Make: LAMCO/ABB/SCHNEIDER

M & L for filtration of transformer oil through stream line filtration plant for extracting moisture content in the oil and carbon deposits and bringing the di-electric strength not less than 40 KV for one minute with sphere gap of 2.5 mm including checking the value of acidity of oil with a acidity test kit and submitting test report for Die electric strength and acidity of transformer oil before/after filteration complete all as specified and as directed. Note : 1.The contractor should submit the Test sheet for all transformer in which dehydration of transformer oil carried out

Supply and filling of New transformer oil confirming to IS 335-1963 as amended and die electric strength not less than 60 KV for topping up/replacement of unserviceable transformer oil complete all as specified and as directed. Make : Electrol/Castrol

Replacement of old unserviceable breather of power transformer 66 KV / 11 KV of capacity 5000/8000 KVA (capacity 5 Kg) fresh silica jel

Material and labour for servicing OLTC (on load top changing) system of 5/8 MVA, 66/ 11 KV power transformer after draining out transformer oil cleaning and checking the entire system, checking all moving contact portions, replacement of worn-out fixed or Roller contacts, resistor and Top gasket cleaning and checking of hylam barrier sheet (3nos) cleaning and checking of main driven shaft, all mechanical parts of driving mechanism, greasing where required for smooth operation, replacement of worn out brass nuts, tightening of gears, checking of entire system complete all as specified and as directed. (Note: Dehydration of oil, and spares required shall be measured and paid separately)

Resistor

Top gasket

Supply and fix in replacement of old unserviceable PT with new potential transformer OIL Cooled with protective enclosure of ratio 66 KV/ 110 V /RT3/110V/RT3 Class 1.0/3P, Burden 100 VA/50 VA Voltage Factor 1.2 continuous / 1.5 for 30 seconds. ILV 12/28/75 KVP. Ins class B Ref Std IS : 3156/1992 One end earthed type with one No HRC fuse on HV side.Note :Primary Neutral to be solidly earthed including removing of old unserviceable PTs. Make: LAMCO/ABB/SCHNEIDER

Supply and fixing in replacement of big and small end bearing of HT 11 KV VCB trolly including replacement of complete locking mechanism with integral spring charging handle for manual spring charge and replacement of closing coil 420V AC and triping coil 24V DC including replacement of electro magnetic relay, coil rating 220 V, AC of existing sample of make of Crompton greaves/ABB/Schneider.

Supply and fixing in replacement resin encapsulated vacuum interrupter bottles of the same manufacturers as per existing circuit breaker trolley of 11 KV. Make: ABB/Schneider/L&T/CG/Kirloskar

Supply only spring charge universal motor suitable for 11 KV, VCB, A/C 230 Volt, 50 Hz complete all as directed.

Supply and fixing in replacement of current transformer moulded in epoxy compound with dual ratio 100/50/5.5 Amps complete connection with auto wire 2.5sqmm including beading as per existing VCB at site all as specified and directed by Engr-in charge. Note: Circuit diagram shall be produced by the contractor after fixing the CT in VCB at site.Make: ABB/Schneider/Alstom/crompton/Kirloskar

Supply and fix in replacement 11 KV VCB Fixed Contact of suitable for existing switchgear all as specified and as directed.

Supply and fix in replacement 11 KV VCB Moving Contact of suitable for existing switchgear all as specified and as directed.

Supply and fix in replacement 11 KV 400 Amps VCB closing coil 30 / 110 Volts DC of suitable for existing switchgear all as specified and as directed.

Supply and fix in replacement 11 KV 400 Amps VCB Tripping coil 30 / 110 Volts DC of suitable for existing switchgear all as specified and as directed.

Supply and fix in replacement IDMT Relay (Numerical non directional over current and earth fault relay, Aux voltage 110 Volt DC) all as specified and as directed. Make: L&T / ABB / Schneider

M & L for calibration of IDMT relays set of three through relay test kit inlcuding other required measuring equipment to the site by secondary injection method and testing for proper functioning/tripping systems of relays complete all as specified and as directed. Note : The rate quoted by the contractor is deemed to be included for quarterly checking of relays in VCB/OBC for its proper setting/fuctioning and tripping of VCB/OCB during over load/earth fault.

Servicing and testing of outdoor SF-6 circuit breaker of rated voltage 66 KV for 5/8 MVA and Line feeder, 66 KV transformer by Topping up of Sulpha hexa floride gas. Overhauling motor and gear mechanism, repair to all power contactor 1100 volts, and testing the control cables and cable connection for the smooth functioning of system complete all as specified and as directed by Engineer in Charge

Maintenance and servicing of 66 KV GOS, cleaning of carbon pits, greasing, checking proper alignment, lubrication with petroleum gel/CTC including replacing of defective minor items as and when required, Testing smooth operation with electrically driven motor mechanism complete all as specified and as directed.

Supply only hand gloves HT for operating/handling sub station of 66 KV ISI Marked complete all as specified and as directed.

Cleaning of out door Sub Station by cutting and removing vegetation growth and surface leveling complete all as specified and as directed.

Supply and fix Trip-Neutral-Close (TNC) Switch, fixing with the existing HT VCB/OCB 11 KV Panel for including taking out old unserviceable TNC Switch complete all as specified and as directed. Make: Kaycee

Maintenance and servicing of battery panel 220/110/30/24 V DC with battery 55 Nos and its control Panels wiring, PCB, Relays and terminal cables with replacement of defective parts with new one including testing and servicing battery charges complete all as specified and as directed.

M&l for rewinding motor of motorised gang operating device of 1.5 HP with super enamelled copper wire as per existing gauge and fixing the same after rewinding of motor and making all connection for proper testing all as specified and directed

Supply and fix HT spout bushing for VCB HT 11 KV, set of three current transformer/busbar side including taking out old unserviceable bushing complete all as specified and directed.

Taking down old unserviceable DC power pack, Supply and fix DC power pack110/24/12 V DC for energizing tripping and closing coil installed in VCB/OCB

M & L for painting of all street light pole/lightening arrester pole including all MS Channel/GOS/Cross Arms/bus bar/Electric bay available at 66 KV substation PH-II with one coat of red oxide and later two coat of aluminum paint all as specified and directed.

Pressure testing and rectifying leakage in the system of ductable type split air conditioner up to 5 tr capacity including gas charging, testing for satisfactory performance, commissioning all as directed.

Dismantling unserviceable cooling coil from 1.5/2/3 TR capacity split AC carefully without damaging the other parts supply and fix new cooling coil made out from seamless hard copper pipe including brazing and pressure testing dry nitrogen gas including charging of R-22 refrigerant gas testing, commissioning, etc suitable for make LG/Bluestar/Voltas/Carrier., complete all as specified and as directed.

M & L for Insulating the suction/ discharge line of Ductable type split type air conditioner up to 3 TR capacity with necessary insulating filter wool 6mm thick complete all as specified and directed.

Supply and fix in replacement of new hermetically sealed compressor up to 2 TR capacity split type AC including removing of unserviceable sealed compressor unit etc complete all as specified and directed. Make: Emerson/Tecumshah/toal line

Taking up or down G.I. tubing and connection and stacking neatly for reuse and removing the balance material from site of size 15 mm bore complete all as specified and directed.

S&F in replacement of GI tubing medium grade ISI marked including all fittings for laying on ground for earthing pit for watering to earthing pit all as specified and directed

S&F in repairs stop valves cast copper alloy screwed down, high pressure with crutch or butterfly handle screwed both ends for iron pipes or for unions, heavy duty ISI marked and fixed of size 15 mm bore complete all as specified and directed.

M&L for earthing of 66/11 KV 5 MVA transformer body earthing at MRS No-2 by cast iron pipe of length 3 meter with 4 inch dia, including complete accessories buttied directly in ground vertically to a depth of not less thatn 2.75 meter below ground level and connected to main switch/earth bus bar inluding magnesuim suplhat , salt and cola misixture in eaach layers with IS specification including necessary earth work in any type of soil/strata and PCC (1:3:6) type C1 using 20mm graded stone aggregate earth chamber, RCC (1:2:4) type B1 cover 40mm thick with 6 mm dias MS bars complete all as specified and as direcred. Notes : Rates quoted is deemed to include the cost of excavation and earth work, pcc pit, funne and cover , GI strip upto 7.5 Meter of Size 32 x 6mm.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or burried in ground or drawn in conduit/GI pipe or fixed to poles or any other indicated situation for loop earthing etc as required of GI strip 32 x 6mm complete all as specified and as directed

Material and labour for loose filling with graded coarse stone aggregate 20 to 40mm for out type sub Stations not exceeding 15 Cm thick all as specified directed by EIC.

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