OUT SOURCING OF SERVICES FOR OPERATION AND MAINTENANCE AT MRS PHASE III INCLUDING REPAIR MAINT OF HT BREAKERS TRANSFORMER HT PRIMARY PROTECTION BATTERY BANK 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 around GTRE 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

Dismantling and removing of defective transformer removing to workshop for repair, opening up and taking out coil, core and core assembly for estimation of repair and damaged parts cleaning/washing of tanks and romoving the dust from all parts including cores, tanks, cooling tubes, removal of damaged parts making connection and assembling complete in all respects after repair/ replacement of coils, gasket, sheet, nuts and bolts, refilling of transformer oil, installation and testing on full load including spray painting and testing for 11 KV capacity 100 KVA complete all as specified and directed by the Engr-in-Charge.Note: 1. Spare parts and winding coils as mentioned under respective items of schedule shall be measured and paid for separately as supply only. These shall be identical to those specified by original manufacturer.

Dismantling carefullty and material and labour for rewinding the LT/HT side (primary winding/Secondary windings) of the transformer with copper winding (wire/strip )of suitable gauge or to match the existing including refixing, connecting, testing and commissioning the transformer complete.

Supply and fix in repair HT bushing rod complete with insulator and packing suitable for out door/Indoor type 100 transformers confirming to IS-334 complete with nut bolts brass studs and gasket of synthetic rubber bonded cork sheet all as specified and directed by Engr-in-Charge.

Supply and fix in repair LT bushing complete with insulator and packing suitable1100 volt grade complete with nut bolts, brass studs, insulator and gasket etc suitable for 100 KVA out door/Indoor transformer.

Supply and fix air breather complete with silica gel suitable for out door type step down power transformer 100 KVA all as specified and directed by EIC.

Testing of power transformer 66 KV / 11 KV of capacity 5000 KVA/ 8000 KVA by the authorized company representative and test certificate shall be furnished. All as directed by the Engineer-in-Charge (a) Insulation resistance test (b) Oil temperature alarm trip (c) Winding temperature alarm trip (d) Bucholtz relay alarm trip (e) Low oil level alarm trip (MOG) (f) Vector group (g) Di-electric test of transformer oil (h) Short circuit test (j) Transformer ratio test (TRT) (k) Magnetic core balance test (MBT)

Material and labour for spray painting of power transformer 66/11 KV cap 5 MVA with two coats of synthetic enamel paint of smoke grey colour after neatly cleaning and preparing the surface for spray painting the transformer of the following capacity including writing SM / MES No (5 cm height) with white enamel paint complete all as specified and as directed. Notes: Before starting the painting work proper shutdown shall be taken by Engr-in- Charge.

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)

Supply only OLTC Spares required for 5 MVA Transformer a) Fixed contacts

b) Roller contacts- 3 sets

c) Resistor

d) Top gasket

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.

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.

Supply and fix in replacement traffo difference and integrated protection relay including microprocessor relay and display complete for 66 KV SF6 traffo control and relay panel control panel including Trip/Alarm/Out of service/healthy/edit modefollowing display parameter all as specified and directed. Make : Schneider electric Model No- MiCOM P631

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 in replacement Digital Voltmeter, 11 KV, size 96 x 96 mm including taking down the existing one all as specified and as directed. Make: Schneider / L&T

Supply and fix in replacement Digital Ameter, 11 KV, size 96 x 96 mm including taking down the existing one all as specified and as directed.Make: Schneider / L&T

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.

Supply and fix in replacement of 02 volt 200AH battery for existing battery bank of 110 volt and making all connection of battery bank including making all connection and testing the same all as specified and 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

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 repair 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. Make shakti/leader

Supply laying & testing in replacement of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminum conductor,11000 volts grade, of size 3 core 120 Sqmm including taking out of old HT cable from trenches all as specified and directed by EIC.

All as per item No44 above -400 Sqmm 3 core

Supply and fix cable jointing kit 11 KV cable for indoor termination heat shrink type joint complete joint material and accessories suitable for 3 core XLPE armoured AL conductor cable of size 120 Sqmm

All as per item No -46 above but of size 400 Sqmm cable

Supply and fixed cable jointing kit 11 KV cable for outdoor termination heat shrink type joint complete joint material and accessories suitable for 3 core XLPE armoured AL conductor cable of size 120Sqmm

All as per item No-48 but of size 400 Sqmm

Material and labour for finding out the cable fault of any size of cable upto 11 KV underground cable (HT and LT and of any capacity of cable with the help of cable fault loacator mounting on vehicle and with nessary disconnection of cable from two ends and making connection by joing after repairs and having the following items with electrician at site to find fault of up to length of 10 KM cable complete all as specified and directed by Engr-in-Charge with help of the following accessores- (a) Surge Generator with accessories (b) Head Phone(c) Pin Point Set T-505 with accessories(d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron/wire/capacitor unit/capacitor connecting cables/ power cable/nose plier. Notes: Excavation for the cable fault shall be done by the contractor by his own arrangement.

Supply and fix cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 Sqmm , Indoor/Outdoor type. Make :- Denson/Raychem

Demolition of reinforced cement concrete as in man hole cover slabs, beams , and similar work including cutting, reinformcement to faciliate demolition.

Pre-cast reinforced cement concrete 1:2:4 type B-1 using 20 mm gradced stone aggregate in manhole cover / slabs and placing in position and set in cement mortar (1:4) including necessary form work complete all as specified and directed.

M&L Mild steel TMT bars 10mm dia and over, cut to length , bent to shape required , including cranking , bending spirally for hooping for columns and binding with and including mild steel wire (annealed) , not less than 0.9 mm dia, complete all as specified.

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.

Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size for HT, 25x20cm size

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