OUTSOURCING OF SERVICES AND OPERATION AND MAINTENANCE OF 66 11 KV MAIN RECEIVING SUB STATION NO II 11 KV SUB STATION AT DG AERO CAMPUS 11 KV ELECTRIC SUB STATION AT ADA CAMPUS OF AND LIFT AT ADE AND OTHER ALLIED CONNECTED WORKS UNDER GE I R D

Amount

Operation and maintenance of 66/11 KV MAIN RECEIVING SUB STATION NO - II, next to AGE E/M office, including Operation and maintenance of DG set 50 KVA , Operation and maintenance of 66 KV control panel, RTCC panel, DC Power pack for Realys, GOS, SF6 Breakers, Power Transformers, Distribution Transformers, 66/11 KV Transmission at MRS yard HT switch gears, round the clock in three shifts each shift of 8 hrs, including Sundays and General Holidays all as specified and directed as under : SHIFT TIMINGS :- (i) 1st Shift : 0600 hrs to 1400 hrs (Electrician-1, Helper-1) (ii) 2nd Shift : 1400 hrs to 2200 hrs (Electrician-1, Helper-1) (iii) 3rd Shift : 2200 hrs to 0600 hrs (Electrician-1, Helper-1) Details of equipments are as under :- (a) Power Transformer 8000/ 5000 KVA 66/11 KV – 3 Nos. (b) Distribution Transformer 200 KVA 11/0.433 KV – 1 No (d) DG set 50 KVA – 1 No with AMF Panel. (e) Control and relay panel – 03 nos. (j) Charger with battery bank – 1 No. (k) SF6 66 KV 1250AMPS (l) SF 6 Circuit breaker 66 KV 1250 Amps (m) Control and operation of Transformer to main incoming VCB breaker including 66 KV completer. NOTE : The electrician shall be highly skilled, should have working knowledge in 66 KV yard, Relays setting operations, DC Pack up services for relay tripping . The contractor should make sure that proper settings to be done in all control relays, panels, Transformer protection functions, MRS yard 66 KV breaker and other items.

Nature of work to be carried out are as under :- (a) Maintaining of log books for sub station and DG sets. (b) Operation of HT panel boards in sub station. (d) Monitoring of, CT, PTs, Relays. (f) Operation and routine maintenance of DG set, control panel, batteries, relay in case of automatic starting on main failure and with AMF panel. (g) Maintenance of capacitor panel for up keeping power factor above 0.95. (h) Maintenance of earth pits and testing including earth test register maintaining of records in sub station and timings of Street lights. (j) Cleaning of All equipments of sub station and surrounding areas.

(k) The Contractor has to maintain the maintenance schedule and to record the readings and duly obtain the sign of Contractor, JE E/M and Engineer in charge and records to be put up duly updating as and when required.

(I) The Contractor has to prepare the Duty Roster of man power working at MRS with proper relievers and should be kept at record at Duty notice board

(m) The details of maintenance schedule are specified as below.

(i) HOURLY INSPECTION : To be recorded hour wise.

Check hourly Ambient Temp & Winding Oil Temp & ensure that the Temp rise is reasonable.

Load Amperes / Load Voltage, ensure that the figures are within the rated values

(ii) DAILY INSPECTION : To be recorded daily

Check Oil level & Oil temp in Consvervator & Transformer, Check against Transformer oil Temp.

Check Oil level in Bushing, Check the oil level from gauage glass.

Check Oil level in OLTC Conservater,

Check for Leakage of woter into cooler

Check Relief Vent Diaphragm to be intact

Check oil level in the oil cup, Oil seal of Dehydrating breather.

(iii) MONTHLY INSPECTION : To be recorded.

Check Dehydrating Breather, Check colour of the active agent.

Check for Bushing to be examined for any cracks and dirt deposits.

(iv) MONTHLY /QUARTERLY : To be recorded.

Check for Cooler fan and pumps bearings, motors & operating mechanism, Lubricate bearings, check gear box, examine control and interlocks.

Check for ON Load tap changer driving mechanism, Lubricate bearings, check gear box oil level and examine contacts.

Check for ON Load tap changer Autamatic control, Check all circuits independently, check step by step operation including limit switches.

(v) HALF YEARLY : To be recorded.

Check Measurement of windings of PI Value, Compare with values at the time of commissioning

BDV & water content of oil in transformer and tap changer, Check for Dielectric strength and water content

Check Ventilators, Check that air passage are free.

Check Earth resistance.

Check oil cooler, Test for pressure.

Check for ON Load tap changer driving mechanism, Inspect all moving parts contacts brake shoes, motor etc.

Check oil for DGA and otheroil parameters(applicable for 100 MVA & above), Test for various fault gases.

Check Oil in Transformer can convenientally be taken out for checking, Check as per IS

Check Oil filled Bushings, Gasketted Joints, Cable end boxes, Checking for sealing arrangements for filling holes, Check for Surge Diverters and gaps, Examine for cracks & dirt deposits.

Check Relays, Alarams, their Circuits, Examine Relay and Alarm Contacts & their operation fuses, etc. Check relay accuracy etc.

Caliberation of temp Indication of OTI & WTI. Pocket holding thermometer should be checked.

Dail type oil gauge, Check pointer for freeness, Paint work should be inspected.

(vi) YEARLY : To be recorded yearly

Check Diverter switches for tap changer having non arching switch, Check for worn out contracts. Filter oil irrespective of oil tests.

(vii) TWO YEARLY : To be recorded if applicable

Check Oil Convervator, Internal inspection, Buchholz relay mechanical Inspection.

(viii) 3 YEARS OR AFTER 15000 OPERATIONS if applicable

(ix) 7 to 10 YEARS if applicable

Conservator Transformer above 3 MVA, Over all Inspection including testing, if applicable

Providing services for Manning and operation of HT 11 KV/415 volts sub station for 2 shifts each of 8 hours duration sub station including operation and maintenance of Transformers, VCB, OCB, APFC PANEL, HT/LT switch gears systems, Street light control systems, HT/ LT Distribution systems, Operation of DG set as and when required etc. in the ADA Phase - II Campus sub stations, including operation of all systems in 2 shifts all as directed by Engineer-in-charge, Shift Timings are as under : Ist shift 0600 to 1400 hrs IInd shift 1400 to 2200 hrs Shift Timings are as under : Details of equipment in the sub stations are as under : Electrician - 02 Nos ( 01. No. in First shift, 01 No. in Second Shift. ) Note : Man power for operations are not required for Sundays and General holidays. Hence rates are not to be considered for reliver.

(a) Contractor shall employ one electrician (Skilled) in each shift.

(b) The tradesman shall be provided with shoes, uniform with name badges with name of concerned MES office and all safety equipment as per IE rules and the unit rate quoted shall deemed to include the same.

(c) The Contractor shall provide required tools, break down register complaint book/Slip, complaint register and attendence register and wages register etc and the quoted rate is deemed to be inclusive of rate for the above items and shall be submitted as and when asked by Engr-In-Charge/Accepting Officer.

(d) The labour element for replacement/ reliever is not required and not to be included in the rate quoted by tenderer for item.

(e) Cleaning of substation and its surroundings including cutting / choping of tree branches & bushes all round the bldg including fence area (whenever fence area exists) all as directed.

(f) Cost shall be deemed to be include for cleaning of HT Sub station points/complaint cells and its surroundings areas regularly.

(g) The Contractor shall provide uniform to all the staff employed and the following ot be printed on uniform and the cost of same is deemed to be included in the unit rates quoted by the contractor

(i) Name of operator

(ii) Name of firm.

Providing services for Manning and operation of 8 passenger/good lift on all working day except Sunday and General Holidays to serve ground + upper floors for one lift all as specified and directed. One Lift operator at SIMEL/ AVIONICS building ( Total 01 nos Lift Operator) Total 01 Nos Lift Operator (one operator for Lift) Shift Timings : 0800 hrs to 0430 hrs with half and hour lunch break. Location : LIFT AT SIMEL & AVIONICS BUILDING AT ADE

(a) Contractor shall employ one Lift Operator in each shift. Shift timings are as under:-

Shift Timings : 0800 hrs to 0430 hrs with half and hour lunch break.

(b) The tradesman shall be provided with shoes, uniform with name badges with name of concerned MES office and all safety equipment as per IE rules and the unit rate quoted shall deemed to include the same.

(d) The Contractor shall provide required tools, break down register complaint book, attendence register and wages register etc and the quoted rate is deemed to be inclusive of rate for the above items and shall be submitted as and when asked by Engr-In-Charge/Accepting Officer.

(d) The labour element for reliever is deemed to be included in the rate quoted by tenderer for item.

Providing services for Manning and operation of HT 11 KV/415 volts sub station for 2 shifts each of 8 hours duration sub station including operation and maintenance of Transformers, VCB, OCB, APFC PANEL, HT/LT switch gears systems, Street light control systems, HT/ LT Distribution systems, Operation of DG set as and when required etc. at DG AERO office Campus sub stations, including operation of all systems in 2 shifts all as directed by Engineer-in-charge, Electrician - 02 Nos ( 01. No. in First shift, 01 No. in Second Shift. ) Note : Man power for operations are not required for Sundays and General holidays. Hence rates are not to be considered for since reliver is not required Details of equipment in the sub stations are shown as under : (i) Transformer 500 KVA - 01 Nos. (ii) VCB/ OCB - 06 NOS (iii) DG Set 250 KVA.

(a) Contractor shall employ one electrician (Skilled) in each shift.

Shift Timings are as under :

Ist shift 0600 to 1400 hrs

IInd shift 1400 to 2200 hrs

(b) The tradesman shall be provided with shoes, uniform with name badges with name of concerned MES office and all safety equipment as per IE rules and the unit rate quoted shall deemed to include the same.

(c) The Contractor shall provide required tools, break down register complaint book/Slip, complaint register and attendence register and wages register etc and the quoted rate is deemed to be inclusive of rate for the above items and shall be submitted as and when asked by Engr-In-Charge/Accepting Officer.

(d) The labour element for replacement/ reliever is not required and not to be included in the rate quoted by tenderer for item.

(e) The items required for replacement will be issued by the department as and when required.

(f) Cost shall be deemed to be include for cleaning of HT Sub station points/complaint cells and its surroundings of ADE/ DEBEL areas regularly.

(g) The Contractor shall provide uniform to all the staff employed and the following ot be printed on uniform and the cost of same is deemed to be included in the unit rates quoted by the contractor

(i) Name of operator

(ii) Name of firm.

(j) Cleaning of substation and its surroundings including cutting / choping of tree branches & bushes all round the bldg including fence area (whenever fence area exists) all as directed.

NOTE FOR SERIAL ITEM NO 01 TO 04

(a) The contractor shall provide ITI Certificate for Tradesman with minimum experience of 4 years from reputed organisation.

(b) PF, ESI of all tradesman/Helper is required & payment should be given through Bank account only.

(c) If contractor fails to provide the tradesman/helper the recovery should be @ 1500.00 per shift.

(d) The Contractor will provide all the Documents, Register, Tools, Uniform, First Aid box etc at the duty places.

Special earthing of 66/11 KV 5/8MVA transformer body earthing by cast iron pipe of length 3 meter with 4 inch dia, material and labor complete accessories buried directly in ground vertically to a depth of not less than 2.75metre below ground level and connected to GI earth strips 32x6 mm by means of welding. GI protection pipe 40mm bore medium grade and connected to main switch/earth bus bar including Magnesium sulphate , salt and coal mixture in each layers with IS specification including necessary earth work in any type of soil and PCC (1:3:6) type C1 (using 20mm graded stone aggregate) earth chamber, RCC (1:2:4) type B1, cover 40mm thick with 6mm dia MS bars complete all as specified and as directed. Notes: Rate quoted is deemed to include the cost of excavation and earth work, PCC pit, funnel and cover, GI strip

Supply and fix GI strips of size 32 mm x 6mm for body earthing for the transformer 5MVA 66/11 KV and CTs, PTs out door including fabrication work such as bending, drilling making holes for connecting with welding works as directed including excavation and earth work and taking out the unserviceable strip complete all as specified and as directed.

Supply only hand gloves HT for operating/handling sub station of 11 KV ISI Marked complete all as specified and as directed.

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

M&L for online centrifuging (filtration/ dehydration) of transformer oil including checking di-electric strength of oil before and after filtration for transformers located in Minniebay area with suitable machine having filtration, heating and pumping facility to improve the dielectric strength/ insulation value of oil. Notes : (i) Di-electric strength of oil after filtration/ dehydration shall not be less than 60 KV/min. (ii) The contactor shall take shut down orders in writing from Engineer-in-charge before commencement of the work. (iii) The contractor shall ensure no wastage of transformer oil. (iv) The di-electric strength of oil shall be tested before & after filtration and test results shall be submitted to Engineer-in-Charge.

Supply and filling new transformer oil for topping up the transformers duly filtered with filtration plant having dielectric strength not less than 60 KV complete all as specified and as directed. [Make : Poweroil/ Electrol/ Servo]. Note :- (a) The transformer oil shall be type EHV confirming to IS - 335/1983. (b) Mineral oil grade shall be used. (c) The IR value of transformer oil shall not be less than 60KV/min. (d) The unit rate shall be deemed to include the cost of filtration to achieve desired di-electric strength.

Supply, connect, testing and commissioning maintenance free (SMF) lead acid battery, 12 Volts, 100 AH including taking down old unserviceable battery from UPS.

Supply & Fix Tripping coil for 11 KV 400 Amp VCB 30/110 V DC including taking out old unserviceable coil complete all as specified and as directed.

Supply & Fix Closing coil for 11 KV 400 Amp VCB 30/110 V DC including taking out old unserviceable coil complete all as specified and as directed.

Supply & Fix spring charging motor for 11 KV VCB including taking out old unserviceable one.

Supply & laying Synthetic Insulating Mat of size 2.00 M x 1.00M x 19 mm thick

Supply & Fix of unserviceable existing make and model IDMT relay numerical non directional over current and earth fault relay with communication feature (RS 485) with full automation system type Argus, Aux voltage 110 volt DC should comprise of the following feature :- (a) Three phase over current and one earth fault (b) High set - low set (c) RS-485 with full communication system (d) Multi characteristic for both over current and earth fault Make : L&T

Supply and laying Sealing Compound bitumen for arresting of holes at VCB/OCB/ SF6 Breaker panels etc

Supplying & fixing of Vaccum Interupter Bottle for the existing HT VCB for including taking out old unserviceable Vaccum Interupter Bottle complete all as specified and as directed

Material and labour 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.

KARTHIK INCORPORATE

RAHUL ENTERPRISES

K T ASSOCIATES