REPAIR MAINTENANCE AND CALIBRATION OF 33/11 KV HT LINE AND SWITCH GEAR, VCB, RELAYS, BATTERY BANK ETC AT DEAL AREA UNDER GE (I) R N D DEHRADUN.

Amount

M&L for Testing and calibration of 33 KV VCB-03 Nos outdoor type alongwith control panel and control wiring, protection system and relays by primary & secondary injection system, battery bank/battery chargers/DC system complete all as specified and directed. Note:- calibration & testing will be carried out by machine which will be arranged by the contractor under his own arrangement.

M&L for Testing and calibration of 11KV VCB-07 Nos indoor type alongwith control panel and control wiring, protection system and relays by primary & secondary injection system bank/battery chargers/DC system complete all as specified and directed. Note:- calibration & testing will be carried out by machine which will be arranged by the contractor under his own arrangement.

M&L for Testing and calibration of 33/11KV, 3.15 MVA outdoor type transformer and control panel- 02 Nos (Indoor type) along with checking control wiring, protection system complete all as specified and directed. Note:- calibration & testing will be carried out by machine which will be arranged by the contractor under his own arrangement.

Disconnecting, dismantling,and taking out of unserviceable current Transformer from HT complete & Supplying installing commissioning and testing of new current transformer,outdoor epoxy type, ratio 180/0.578 conforming to IS 2705 part I of 1981, 50 Hz for HT 11 KV having insulation level class1-P10, IL-28/75kv , burden of 15VA and breaking capacity 18.4 KA for 1.0 second and necessary thimbles nut bolts etc complete all as specified and directed

Disconnecting, dismantling / opening non functional VCB of any description and any make of rating 11 KV,400/630 Amps capacity for servicing / overhauling, taking out and removing unserviceable/defective parts including cleaning & servicing ,greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling / servicing and its testing complete all as specified and directed. Notes :- (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch ‘A’ as supply only but fixing charges of the parts replaced/repaired is deemed to be included in these item

Supply only the following items / spare parts suitable for 11 KV VCB, 400/630 Amps capacity of any make, dismantled/fixed under Sch ‘A’ item No. here in above complete all as specified and directed .

(a) Vacuum Interrupter

(b) Bushing (Female)

© flexible connectors

(d) Closing coil assembly 30/24 /110volts DC.

(e) Tripping coil assembly 30/24 /110volts DC.

(f) Heating element with thermostat switch 150 Watt compact type

(g) Motor cut off limit switch.

(h) Spring charge motor, single phase suitable for spring charge motorised mechanism

(j) Auxilary switch (6 NO + 6 NC ).

Disconnecting, dismantling / opening non functional VCB of any description and any make of rating 33 KV,1250 Amps capacity for servicing / overhauling, taking out and removing unserviceable/defective parts including cleaning & servicing ,greasing, oiling of the parts etc and replacement of unserviceable parts with new one, reassembling the VCB after overhauling / servicing and its testing complete all as specified and directed. Notes :- (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch ‘A’ as supply only but fixing charges of the parts replaced/repaired is deemed to be included in these item

Supply only the following items / spare parts suitable for 33 KV VCB, 1250Amps capacity of any make, dismantled/fixed under Sch ‘A’ item No.10 here in above complete all as specified and directed .

(a) Bushing (Female)

(b) Anti pumping device

(c)Closing coil assembly

(d) Tripping coil assembly

(e) Heating element with thermostat switch 150Watt compact type

(f) Motor cut off limit switch.

(g) Spring charge motor, single phase suitable for spring charge motorised mechanism

(h) Auxilary switch (6 NO + 6 NC ).

(j) HRC Fuse 32 Amp

M & L for servicing/ overhauling of HT 11 KV 3 phase capacitor bank of rating 74x6= 444 KVAr along with series reactor of 11 KV 3 phase 0.90 KVAr, oil cooled and residual voltage transformer by cleaning complete, checking bus bar connection, including replacement of unserviceable accessories, nut bolts, topping up oil ,making connections and testing complete all as specified and directed Notes :- (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch ‘A’ as supply only but fixing charges of the parts replaced/repaired is deemed to be included in these item (ii) Fresh oil required for top up shall be measured as “supply only” but its heating and filling shall be included in the rate quoted by the contractor for above items. (iii) The quoted rate shall be deemed to include replacement of small/ minor parts i.e.nut, bolt washers, etc.

Taking down/disconnection the unserviceable existing cable any type and size from control wiring of 33 KV panel to yard complete and supply and laying new cable through pipes/ducts or on walls PVC insulated sheathed, unarmoured, electric cable heavy duty with stranded copper conductor, 1100 Volt Grade of size 2.5 Sqmm 4 core for control wiring of remote panel of 33 KV VCB including jointing and testing complete all as specified and directed .

Disconnecting, dismantling,and taking out of unserviceable over current and Earth falt relay any type any descriptions and supply and fixing new numerical over current & Earth falt relay type aux voltage 20 to 110 volts AC/DC, CT rating 1A or 5A , with inbuilt master trip & TCS feature. Relay should have minimum 4 digital Binary Inputs and 6 Digital output contacts suitable for AC/DC operation universel type including wiring of the relay with 1.5 Sqmm PVC insulated unsheted copper wire with numbering tags, thimble, insulation material, nut bolts etc complete all as specified and directed.Cat part No.MC61A of make L&T or equivalent model in specified makes ie siemens/Alstom/ABB/JVS as approved by GE.

Disconnecting & taking down existing unserveceable PT any description any position, and supply, fixing, installation and testing of PT outdoor type oil cooled,33kv/110volt, HSV-36kv,single phase,IL-70/170kv,VF-1.2 times contineous & 1.5 times for 30 sec,burden-100VA, class-1.0,Earthed type complete all as specified and directed.

Surface excavation in soft/loose soil n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out of soil complete all as specified and directed by Engr in charge.

M & L for spreading crushed/hand broken 40 mm graded sand stone aggregate around and under 4 pole/ 2 pole structure uniformally complete all as specified and directed. Note :- Spread thickness of aggregates shall be measured and cubical content shall be worked out with deduction of 50% for voids for arriving at net qty.

Brickwork with subclass ‘B’ bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortar 1:6 complete all as specified and directed by Engr in Charge.

Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement plastering 1:4 complete all as specified and directed by Engr-in-Charge.

Disconnecting and taking down carefully old unserviceable GI strip of any type and size and Material and labour for laying along the wall/roof GI strip of size 32mm x 6mm complete with all accessories such as porcelain insulators, saddles and fixing screw etc for conductor all as specified and directed.

Voltmeter square type Digital of size 144Sqmm of capacity 0 to 15 KV PT Ratio 11KV/110Volt for panel complete all as specified and directed by Engr-in-charge

S&F 11 KV panel indicating lamp fitting LED type suitable for 24 volt/30volt DC complete with base complete all as specified.

Preparation of surfaces of VCB Panel Board cubical in shape applying two coat of synthetic enamelled paint by means of Spray gun, approved colour including supplying and fixing PVC name plate indicating different cable/switch and other accessories, connections complete all as specified and directed.

M&L for fixed contact with insulator 800 amps, 11000volt for 11 KV VCB panel complete all as specified and directed

M&L for movable contact with insulator 800 amps, 11000volt for 11 KV VCB panel complete all as specified and directed

Powerfactor meter digital type with auxiliary supply voltage 230volt.

Frequency meter 47 to 52Hz digital type with auxiliary supply voltage 230 Volt.

M& L for replacement of VCB for capacitor bank movable and fixed contact base hard CBC plastic body and reassembling the complete VCB and including all connected parts and all accessories connections complete all as specified and directed

Supply install, testing and commissioning of neumerical n relay IDMT type for 11 KV VCB panel, rating 5 amps, Auxillary supply 30 volt DC complete all as specified and directed.

Dismantling of Old unserviceable batteries 12 Volt, 150 AH, from HT sub station and supply & fixing maintenance free batteries of 12 Volt, 180 AH capacity with electrolyte fully charged battery including interconnection, commissioning and testing complete all as specified & directed .

Dismantling of Old unserviceable batteries 2 Volt, 150 AH, from HT sub station and supply & fixing maintenance free batteries of 2 Volt, 150 AH capacity dry cell fully charged battery 60 Nos including interconnection, commissioning and testing complete all as specified & directed .

M&L for Filtration and dehydration of transformer oil through filtration plant (Dehydration/centrifuging of transformer oil by means centrifuging machine electrically operated at site of installation of transformer in running condition of transformer including testing of transformer oil before and after centrifuging from top and bottom of transformer complete ) to improve the dielectric strength/insulation value of the transformer oil upto 65 KV/40 KV (RMS) at 2.5 mm gap and filling in transformer 33/11KV, etc complete all as specified and directed Note :- (a) The contractor shall obtain shut down orders in writing before commencement of the work from Engineer-in-charge (b) The contractor shall avoid wastage of existing transformer oil. (c) The contractor shall be solely responsible for any damages to the transformer during process of oil filtration. He is responsible for making good any damage to the transformer at his own cost without any extra cost to the department. (d) The contractor shall ensure that the conservator tanks are full to its level before commencement of dehydration process. (e) Additional qty of transformer oil if any required for making the oil level upto the requirement in transformer shall be measured and paid separately as supply and filling but its cost of heating shall be deemed to be included in the rate quoted for above item.

Supply, and filling/topping up of transformer insulating oil EHV grade having dielectric strength 65 KV/40 KV (R.M.S) at 2.50mm gap high viscosity confirming to IS – 335 of 1983 in various capacity of transformer 33 /11KV, and 11/0.433 KV respectivelly complete all as specified and directed .

M & L for servicing/ overhauling of HT 33/11 KV 3 phase remote Tap changer Control panel, voltage ratio 33000/11000 cleaning complete, checking all control cables and its connection, including replacement of unserviceable accessories, nut bolts ,making connections and testing complete all as specified and directed Notes :- (i) Replacement of unserviceable parts shall be measured and paid for separately under appropriate item of Sch ‘A’ as supply only but fixing charges of the parts replaced/repaired is deemed to be included in these item (ii) The quoted rate shall be deemed to include replacement of small/ minor parts i.e.nut, bolt washers, etc.

Supply only the following items / spare parts suitable for 33/11 KV Remote tap changer control panel capacity of any make, dismantled/fixed under Sch ‘A’ item No. 50 here in above complete all as specified and directed .

(a) Tap Position Indicator

(b) Indicating Lamp LED

(c)Heater switch suitable for RTCC

(d) Auto / Manual switch for AVR 1. Auto, 2. manual

(e) Control supply switch suitable for RTCC

(f) Voltage Regulator Relay EE-301 M

(g) Raise push Button

(h) Lower push Button

Supply install, testing and commissioning of Percentage Differential Relay type DDT for 33 / 11 KV VCB panel, rating 5 amps, Auxillary supply 24-50 volt DC Percentage Basis-20,30,40 complete all as specified and directed. Make- ALSTOM

Supply install, testing and commissioning of Over current relay (Inverse) Type CDG & Earth fault relay (Inverse) type CDG & over current relay (Inverse) type CDG suitable for 33/11 KV panel Burden/ DMT-3VA/3 Sec ,0.1-0.4 Amp, 1Amp CT complete all as specified and directed. Make- ALSTOM

Supply install, testing and commissioning of Over/ Under voltage relay,M-12 33 / 11 KV VCB panel, rating 5 amps, Auxillary supply 24-110 volt DC complete all as specified and directed. Make- L&T

Supply install, testing and commissioning of Instantaneous under voltage relay type VAG ,Normal voltage-110 AC 50 Hz Aux. volts-110, drop out volt- 77 AC 50 Hz suitable for 33 / 11 KV VCB panel, complete all as specified and directed. Make- AREVA/ALSTOM

Supply install, testing and commissioning of Over voltage relay Pickup volts-154,50 Hz , Aux. volts-110, 50 Hz suitable for 33 / 11 KV VCB panel, complete all as specified and directed. Make- AREVA/ ALSTOM

Supply install, testing and commissioning of Neutral displacement relay MND-11,Vs-0.02X(1+ Ea) Normal- Inv- 5.7 second suitable for 33 / 11 KV VCB panel, complete all as specified and directed. Make- AREVA/ ALSTOM

S&F KA meter square type Analog of size 144Sqmm of capacity 0 to 15 KV CT Ratio- CTR-150/5KA 11KV/110Volt for panel complete all as specified and directed by Engr-in-charge

Dismantling & taking down of existing worn out / unserviceable aluminium conductor, steel reinforced (ACSR) of any description /size & in any position from existing HT Poles/Lines and supply and laying of aluminium conductor, steel reinforced (ACSR) of any size/description on HT poles/lines including stringing, tightening, binding to insulators with aluminium wire making and connecting jumpers, connections etc including connecting, commissioning and testing complete all as specified & directed .

Dismantling & taking out unserviceable steel & iron items from poles i.e cross arms, bracing, supports, clamps and back plates etc. including nuts & bolts complete and Supply & fixing cross arms, bracing, supports, clamps and back plates 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 inclusive of two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed.

M&L in replecement of UNSV jumper with Dog/ Rabit conductor suitable for HT, 11000/33000 volts grade required at site with suitable size of luge on both end including proper crimpinf etc.complete, all as specified and directed by Engr-in-charge.

Balraj and Co

KAPOOR ELECTRICALS