REPAIR AND MAINT OF VCB, HT PANELS, TRANSFORMERS AND CONNECTED E/M WORKS UNDER GE (AF) ADM AREA KHERIA, AGRA

Amount

Taking out Transformer from its Position from any location under AF Stn Kheria for repair /servicing/ rewinding of capacity 63 to 200 KVA , 11/0.433 Volts disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works.

(a) Transportation of transformer to workshop at AF Stn to workshop at Agra and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripoid to be arranged by firm ) as directed. (b) Opening of transformer top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc. (c).Draining out of transformer oil and keeping in safe custody for reuse (d) Lifting primary coil (HT) and secondary coil (LT) , dismantaling of transformer complete part by part carefully. (e) Refilling topping up of transformer oil after dehyderation and filteration in transformer. (f) Reassembeling the transformer complete with all existing serviceable parts, and new parts as ordered . (f) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load . Note- (a) Replacement of userviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, rewinding , reinsulation of Primary and secondary coil with copper winding wire, dehyderation and filteration of transformer oil etc shall be measured and paid seperately under appropriate Item of schedule. (b) Renewal of adequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED

Taking out Transformer from its Position from any location under AF Stn Kheria for repair /servicing/ rewinding of capacity 250 to 400 KVA , 11/0.433 Volts disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works.

(a) Transportation of transformer to workshop at AF Stn to workshop at Agra and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripoid to be arranged by firm ) as directed. (b) Opening of transformer top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc. (c).Draining out of transformer oil and keeping in safe custody for reuse (d) Lifting primary coil (HT) and secondary coil (LT) , dismantaling of transformer complete part by part carefully. (e) Refilling topping up of transformer oil after dehyderation and filteration in transformer. (f) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load . Note- (a) Replacement of userviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, rewinding , reinsulation of Primary and secondary coil with copper winding wire, dehyderation and filteration of transformer oil etc shall be measured and paid seperately under appropriate Item of schedule. (b) Renewal of adequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED

Taking out Transformer from its Position from any location under AF Stn Kheria for repair /servicing/ rewinding of capacity 500 to 750 KVA , 11/0.433 Volts disconnecting /opening HV, LV Electrical connections, earthing connections along with following other works.

(a) Transportation of transformer to workshop at AF Stn to workshop at Agra and back to site by making necessary arrangements of T&P (crane, recovery, vehicle, tripoid to be arranged by firm ) as directed. (b) Opening of transformer top cover by extraction ,removing of serviceable - unserviceable nuts bolts and washers etc. (c).Draining out of transformer oil and keeping in safe custody for reuse (d) Lifting primary coil (HT) and secondary coil (LT) , dismantaling of transformer complete part by part carefully. (e) Refilling topping up of transformer oil after dehyderation and filteration in transformer. (f) Reassembeling the transformer complete with all existing serviceable parts, and new parts as ordered . (f) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load . Note- (a) Replacement of userviceable parts like; Bush insulator, brass studs, cork gasket, breather assembly, tap changer, rewinding , reinsulation of Primary and secondary coil with copper winding wire, dehyderation and filteration of transformer oil etc shall be measured and paid seperately under appropriate Item of schedule. (b) Renewal of adequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED

M & L for rewinding HT coil of 11/ 0433 KV Transformer any capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewinding including taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed.

M & L for rewinding LT coil of 11/ 0433 KV Transformer any capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewinding including taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed.

Re-insulation of LT coil of transformer of any capacity using proper size paper insulation material to form DPC Copper wire and insulation material suitable for HT 11 KV transformer complete all as specified and directed. [Note : Item shall be measured only where re-insulation of copper wire is required].

Supply & filling up of transformer oil conforming to IS -335 of 1993 as in topping up / replacement up to desired level of transformer oil capacity complete all as specified and as directed. [Note: Dielectric strength of oil should not be less than 42 KV/cm complete all as specified and directed.

Dehydration and filtration of existing transformer oil of transformers capacity ranging from 63 KVA to 315 KVA ( 33 KV System step down to 33/11 KV and 11 KV System step down to 11/0.433 KV) on site at different locations without disturbing the power supply system with filtration machine and heating system in order to achieve Di-electric strength of oil 55KV minimum at 2.5 mm gap complete all as specified and as directed.

Servicing to transformer at site of capacity 63 KVA to 315 KVA installed on Plinth / Pole mounted structure by opening top cover & replacing unserviceable spares / components of transformer ,without lifting core assembely reassembling after repair & testing complete all as specified and directed.

Servicing to transformer at site of capacity 400 KVA to 750 KVA installed on Plinth / Pole mounted structure by opening top cover & replacing unserviceable spares / components of transformer ,without lifting core assembely reassembling after repair & testing complete all as specified and directed.

Supply only Tap Changer as per existing size, shape and specification complete for capacity 315 KVA to 500 KVA , 11/0.433 Volts transformers complete all as spd and directed.

Supply only Tap Changer as per existing size, shape and specification complete for capacity 200 to 300 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only Tap Changer as per existing size, shape and specification complete for capacity63 to 200 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only breather assembly as per existing size, shape and specification complete for capacity 63 to 200 KVA , 11/0.433 Volts transformers complete all as spd and directed.

Supply only breather assembly as per existing size, shape and specification complete for capacity 250 to 400KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only breather assembly as per existing size, shape and specification complete for capacity 500 to 750 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Taking out the existing silica gel and supplying and filling the new silica gel in the breather of transformer of any capacity complete all as specified and directed by Eng-in-charge.

Supply only brass stud on HT side as per existing size, shape and specification for capacity 500 to 750 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only brass stud on HT side as per existing size, shape and specification for capacity 250 to 400 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only brass stud on HT side as per existing size, shape and specification for capacity 63 to 200 KVA , 11/0.433 Volts transformers complete all as spd and directed.

Supply only brass stud on LT side as per existing size, shape and specification for capacity 500 to 750 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only brass stud on LT side as per existing size, shape and specification for capacity 250 to 400 KVA , 11/0.433 Volts transformers complete all as spd and directed.

Supply only brass stud on LT side as per existing size, shape and specification for capacity 63 KVA to 200KV transformers complete all as spd and directed.

M & L in replacement 32 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed.

M & L in replacement 25 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed.

M & L in replacement 20 mm dia gunmetal drain valve of transformer as per existing one complete all as specified and directed

Supply and fixing as in replacement Temperature Guage as per existing size, shape and specification complete for capacity 500 to 750 KVA , 11/0.433 Volts transformers

Supply and fixing as in replacement Temperature Guage Changer as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Volts transformers

Supply and fixing as in replacement Temperature Guage as per existing size, shape and specification complete for capacity 63 to 200 KVA, 11/0.433 Volts transformers complete all as specified and directed.

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 500 KVA to 750 KVA , 11/0.433 Volts transformers complete all as spd and directed.

Supply only top cover gasket set as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Volts transformers complete all as spd and directed.

Supply only set of gasket (rubberized cork ) as per existing size, shape and specification complete for capacity 63 KVA to 200 KVA Volts transformers complete all as spd and directed.

M & L for porviding new cable box made out of MS sheet of thickness not less than 5 mm including fabrication works, welding etc. to suit the existing transformer size, including nuts, bolts, cable glands, termination of existing cables etc., all as directd by the Engineer-in-charge for the following capacity transformers:

(a) 250 to 750 KVA

(b) 63 to 200 KVA

Supply only porceline Bush insulators on HT side as per existing size, shape and specification for capacity 500 to 750 KVA, 11/0.433 Volts transformers

Supply only porceline Bush insulators on HT side as per existing size, shape and specification for capacity 250 to 400 KVA, 11/0.433 Volts transformers

Supply only porceline Bush insulators on HT side as per existing size, shape and specification for capacity 63 to 200 KVA, 11/0.433 Volts transformers

Supply only porceline Bush insulators on LT side as per existing size, shape and specification for capacity 500 to 750 KVA, 11/0.433 Volts transformers

Supply only porceline Bush insulators on LT side as per existing size, shape and specification for capacity 250 to 400 KVA, 11/0.433 Volts transformers

Supply only porceline Bush insulators on LT side as per existing size, shape and specification for capacity 63 to 200 KVA, 11/0.433 Volts transformers

M&L for preparation of old painted steel or iron surfaces of transformer 11/0.433 Volts capacity by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed.

(a) 500 to 750 KVA

(b) 250 to 400 KVA

(c) 63 to 200 KVA

Clearing of bushes/small plants upto root level around and surroundings areas E/M installations (i.e.Two Pole/ Four structures, outdoor-substation yards & Misc E/M installations etc) including spraying of chemical for anti-vegetation growth as approved, surface dressing n.exc 15 cm deep and removing debris to a distance n.exc 50m complete all as directed.

M & L for shifting of transformers 11/ 0.433 KV installed on 2 pole/PCC plateform/ indoor/ outdoor from one sub stn to another sub stn upto distance 3 Km incl disconnecting elect connection LT/HT side re-installation at site and connect LT/HT connection, commissioning & testing complete all as directied for the following capacities:-

(a) 315 to 750 KVA

(b) 63 to 250 KVA

M & L for shifting of transformer 11/ 0.433 KV of capacity 500 KVA Trolly Mounted from Main Power house to required location at the AF station incl. making all HT/ LT electric connections and disconnectiong all HT / LT connections of faulty transformer of any capacity and restore the electric supply of affected area complete all as spd and directed.

Repair/ servicing of HT VCB 630/400 amps of any make by replacing defective/ worn out parts, adjustment of gap for smooth operation all as detail below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended. (c) Checking the arcing contact gap of vacuum interrupter if gap exceeds the permissible limit, adjust as recommended. (d) Cleaning the main contacts to remove carbon or any other unwanted particles if visible. (e) Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking repair/ replacement of all electric wiring for electrical/ manual operation of panel including measuring IR value. (g) Checking all nuts, bolts, springs, levers, latches, connectors etc and adjustment as required. (h) Recording IR values of CTs and PTs. (j) Cleaning of bus bar spouts. (k) Checking of all moving parts for proper functioning of VCBs and adjustment as per manufacturer recommendations. Makeof VCBs :- Alstom/ CG/ Areva.

Note:- (i) The quoted rates by the contractor includes for fixing the serviceable parts against unsv parts. (ii) The new replaced parts shall be measured and paid seperately under respectice items of Sch. A as "Supply only" (iii) Quantity of under mentioned items is tentative and contractor shall have no claim on account of variation of qty or non execution of any of item.

Supply only 1.5 sqmm flexible PVC stranded copper conductor cable, unshethed, 1100 V grade for control wiring.

Supply only 2.5 sqmm flexible PVC stranded copper conductor cable, unshethed, 1100 V grade for control wiring.

Supply only LED Indication Lamps with holder

Supply only LED type push button actuators

Supply only Shunt trip coil 30 V DC/110 V DC

Supply only Closing coil 30 V DC/ 110 V DC.

Supply only CTs epoxy cast wound primary CTs with minimum primary current 60 to 400 A, single/ double ratio, double core (Protection core-5P10 & Metering core- Class 0.5/1.0), 18/21/25 KA for 1 sec of 15 VA Burden.

Supply only Breaker control switch

Supply only Breaker bushing contact

Supply only Vacuum interrupter assembly

Supply only Busbar Spout

Supply only Circuit spout

Supply only Control circuit fuses 2 A to 63 A

Supply only HRC fuse (PT HT side)

Supply only PT plug contact

Supply only Spring charging motor with gear assembly. Make: Bosch or as per OEM make

Supply only Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, KVARh etc.) Class 0.5 with RS485 port for communication in Modbus protocol.Make : L&T, HPL (SOCOMEC), CG.

Supply only Rachet handwheel with gear assembly

Supply only Closing spring assy

Supply only Tripping spring assy.

Supply only Fixed contact block.

Supply only Moving contact block.

Supply only Isolating contact assy.

Supply only Space heater as per assuitable capcity and rating

S & F in replacement of Master Trip Relay suitable for 11 KV HT panel for protection system . Make: ABB/ Siemens/Areva/Easun/CG

S & F in replacement DC SupervisionRelay suitable for 11 KV HT panel for protection system . Make: ABB/ Siemens/Areva/Easun/CG

S & F in replacement Auxiliary Relay suitable for 11 KV HT panel for protection system . Make: ABB/ Siemens/Areva/Easun/CG

Disconnect and taking out the Numeric/ Microprocessor based relay/IDMT relay of any type of any Make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defects in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier settings of the relay to achieve the descrimination in tripping, tune/synchronise upstream breaker relay settings, re-installation of relay, testing & commissioning etc complete all as specified and as directed. Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc and shall also submit detailed test reports, panel wise. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the Department, to the satisfaction of the Department.

M & L for spray painting with one coat of smoke Grey Synthetic enamel paint on VCB panel after cleaning dust, dirt and oil including writing the SM/ MES No. on VCB in block letters complete all as spd and directed.

M & L for making updated complete 33 KV/ 11 KV overhead/ underground electrical distribution system display board as per sample of entire AF station using different colured LEDs for indication of MRS-I & II, RMU, Out-door Transformers, In-door Transformers, HT OH system, HT UG system including showing capacity of transformers on PVC board 18/20 mm thick including covered with glass for protection from dust/ dirt including making all electric connections complete all as spd and directed.

S & F in replacement Auxiliary Relay Type- AVA21, Contact 4 No, Vol 24- 30 VDC suitable for 33 KV HT panel for protection system . Make: ABB/ Siemens/Ashida Electronics/CG

S & F in replacement Auxiliary Relay Type- AVA33, Contact 2 No+ 2 NC HR, Vol 24- 30 VDC suitable for 33 KV HT panel for protection system . Make: ABB/ Siemens/Ashida Electronics/CG

S & F in replacement DC Trip circuit Supervision Relay Type- ATSR 31A, Aux 24/30 VDC suitable for 33 KV HT panel for protection system . Make: ABB/ Siemens/Ashida Electronics/CG

S & F in replacement Master Trip Relay Type AVAJH13, Contact 4NO + 1 NCHR, Vol 24-30 VDC suitable for 33 KV HT panel for protection system . Make: ABB/ Siemens/Areva/Easun/CG

S & F in replacement Alarm annunciator Model- 2x 5 N suitable for 33 KV HT panel for protection complete all as spd and directed. Make: ABB/ Siemens/ Proton Electronics/CG

FUTURE Inc.