REPAIR AND MAINTENANCE OF MAIN RECEIVING STATION, SWITCH YARD AND MISC WORK AT CERTAIN AREA OF MIL STN JAISALMER UNDER GE (A) JAISALMER

Amount

Caliberation/servicing/overhauling & testing of all protection relays, CTs, PTs of 33 KV VCB 1250 A out door type model 36 PV 25 A, including indoor control panel complete. Make : CG, including all circuit control wiring complete and all as follows:- (a) CTs primary current injection test . (b) IR values of CTs (c) Ratio test of PTs and IR value (d) Protection relays testing through secondary current injection kit (e) Voltmeter, ammeter functional tesing (f) Breaker tesing for tripping time, closing time, contact resistance values and physically healthyness of Vaccum interuptor.

Caliberation/servicing/overhauling & testing of all protection relays, CTs, PTs of 33 KV VCB 400 A out door type model 30-SFGP-25, including indoor control panel complete. Make : CG, including all circuit control wiring complete and all as follows:- (a) CTs primary current injection test . (b) IR values of CTs (c) Ratio test of PTs and IR value (d) Protection relays testing through secondary current injection kit (e) Voltmeter, ammeter functional tesing (f) Breaker tesing for tripping time, closing time, contact resistance values and physically healthyness of Vaccum interuptor.

Caliberation/servicing/overhauling & testing of all protection relays, CTs, PTs of 33 KV VCB 630/800 A out door type including indoor control panel complete. Make : CG, including all circuit control wiring complete and all as follows:- (a) CTs primary current injection test . (b) IR values of CTs (c) Ratio test of PTs and IR value (d) Protection relays testing through secondary current injection kit (e) Voltmeter, ammeter functional tesing (f) Breaker tesing for tripping time, closing time, contact resistance values and physically healthyness of Vaccum interuptor.

Caliberation/servicing/overhauling & testing of all protection relays, CTs, PTs of 33 KV VCB 630/800 A in door type including indoor control panel complete. Make : CG, including all circuit control wiring complete and all as follows:- (a) CTs primary current injection test . (b) IR values of CTs (c) Ratio test of PTs and IR value (d) Protection relays testing through secondary current injection kit (e) Voltmeter, ammeter functional tesing (f) Breaker tesing for tripping time, closing time, contact resistance values and physically healthyness of Vaccum interuptor.

S&F in repair, post insulator, porcelain, vitreous, with hardware fitting complete for 33000 volts grade all as specified & directed by Engineer-in-charge.

S&F in repair in repair/Replacement of lightening arrestors 11KV, 10 KA station type class including all clamps, nuts, bolts and washers and connection to earth with 32X6mm GI strip complete all as specified & directed by Engineer-in-charge.

M&L for switch air break gang operated triple pole mechanically operated, mounted on HT insulators (9 insulators type & 6 insulators for DO with horizontal operated) and MS galvanized steel frame with operating mechanism worked from ground level including operating rod for current rating up to 200 Amps 11000 volts complete with locking arrangement MS clamps, bolts and nuts and washers etc also including drop out expulsion type of fuses with fuse barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work and including taking down old switch air break gang operated complete all as specified. (stack for fixing with poles shall be measure and paid separately)

M&L for switch air break gang operated triple pole mechanically operated, mounted on HT insulators (15 insulators vetical type operated) and MS galvanized steel frame with operating mechanism worked from ground level including operating rod for current rating up to 200 Amps 11000 volts complete with locking arrangement MS clamps, bolts and nuts and washers etc also including drop out expulsion type of fuses with fuse barrels of required capacity to suit load at site including two coats of aluminum paint over a coat of red oxide primer on MS work and including taking down old switch air break gang operated complete all as specified. (stack for fixing with poles shall be measure and paid separately)

S&F in repair, annunciator relay box consisting of 4 block 18 to 90 volts DC complete in existing VCB of CG make all as specified & directed by Engineer-in-charge. (Make :- Minilec/ Alan or equivalent as approved by GE).

S&F in repair, master trip relay 24 Volts DC complete in existing VCB of CG make all as specified & directed by Engineer-in-charge. (Make :- Easuna Reyrolle Model No. B-24 or equivalent as approved by GE).

S&F in repair, over current relay 135 Volts DC complete in existing VCB of CG make all as specified & directed by Engineer-in-charge. (Make :- Genesis Model No. MIT 113 or equivalent as approved by GE).

S&F in repair, auxilary relay 110 Volts DC complete in existing VCB of CG make all as specified & directed by Engineer-in-charge. (Make :- Ashida/Easuna Reyrolle Model No. B33X3 or Areva).

S & F in repair of Voltmeter digital type for ACB/VCB complete all as specified and directed by Engineer-in-Charge.

S & F in repair of Amper meter Digial type for ACB/VCB complete all as specified and directed by Engineer-in-Charge.

S&F in repair, indication lamp RGB with holder complete 110 Volts DC complete in existing VCB of CG make all as specified & directed by Engineer-in-charge.

S & F in repair of HRC fuse 5 Amps complete all as specified and directed by Engineer-In-Charge.

S&F in repair, multi functional meter for 11 KV VCB complete in existing VCB of CG make all as specified & directed by Engineer-in-charge. (Make :- Scheinder Model No. EM6459 or equivalent as approved by GE).

S&F in repair of over current and earth fault IDMT protection relay (digital relay) type CGI 14 N,110 Volts complete necessary connection and testing in existing VCB of CG make all as specified and directed by Engineer-in-charge. (Make : Crompton Greeves, ABB, C&S)

S&F in repair of over current and earth fault IDMT protection relay (digital relay) type CGI 14 N,24 Volts complete necessary connection and testing in existing VCB of CG make all as specified and directed by Engineer-in-charge. (Make : Crompton Greeves, ABB, C&S)

S&F in repair universal motor (spring charge for 11 KV VCB) 220 volt AC/DC type PMR5 in existing VCB of CG make (Make- Delco).

Renewal of PT fuse suitable for 33/11 KV in existing VCB of CG make complete all as specified and directed by Engineer-in-Charge.

Dehydration of transformer oil (mounted on poles/platform etc) with the help of filtering and drying plant by mechanical machines of suitable capacity to achieve dielectric strength of 50 KV complete all as specified and directed by Engineer-in-Charge.

Supply, filling & topping up of transformer oil of dielectric strength 50 KV minimum for voltage stablizer, transformer, OCB's and PTS complete all as specified & directed by Engineer-in-charge.

Dismantling transformer of any size/type & taking down carefully from two poles structure/4 pole structure/foundations at Mil Stn Jaisalmer and depositing to E/M yard all as specified and directed by Engineer-in-charge.

Transporting, transformer of any size/ type from E/M yard to any location at Mil Stn Jaisalmer and mounting on two poles/four poles structure/foundations and making all necessary electric connection and testing complete all as specified & directed by Engineer-in-charge.

S&F of PG clamp suitable for ACSR conductor (Dog) two way in 33 KV switch yard complete all as specified & directed by Engineer-in-charge. (Make : - Jayshree, Jaipuria Brothers).

S&F TNC switch suitable for vacuum circuit breaker 11 KV, 110 Volts, DC complete and taking down existing switch all as specified & directed by Engineer-in-charge.

S&F TNC switch suitable for vacuum circuit breaker 11 KV, 24 Volts, DC complete and taking down existing switch all as specified & directed by Engineer-in-charge.

S&F tripping coil suitable for 24 Volts complete and taking down existing coil all as specified & directed by Engineer-in-charge.

S&F tripping coil suitable for 110 Volts complete and taking down existing coil all as specified & directed by Engineer-in-charge.

Supply, Jointing and testing out door type cable termination heat shrinkable joint kit suitable for size 50 to 95 Sq mm 3 core 11KV (unearthed cable) under ground XLPE cable all as directed by Engineer-in-Charge.

Supply, Jointing and testing out door type cable termination heat shrinkable joint kit suitable for size 120 Sq mm 3 core to 185 Sqmm 11KV (unearthed cable) under ground XLPE cable all as directed by Engineer-in-Charge.

Supply, Jointing and testing in door type cable termination heat shrinkable joint kit suitable for 50 to 95 Sq mm 3 core 11 KV (unearthed cable) under ground XLPE cable all as directed by Engineer-in-Charge.

Supply, Jointing and testing in door type cable termination heat shrinkable joint kit suitable for of 120 Sq mm to 185 Sqmm 3 core 11 KV (unearthed cable) under ground XLPE cable all as directed by Engineer-in-Charge.

Cable jointing kit for 11 KV (unearthed cable) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 50 to 95 Sq mm 3 core under ground XLPE cable, all as directed by Engineer-in-Charge.

Cable jointing kit for 11 KV (unearthed cable) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 120 Sqmm to 185 Sq mm 3 core under ground XLPE cable, all as directed by Engineer-in-Charge.

M & L bore earthing not less than 250 mm dia 16 feet deep filled with black soil up to 7 feet from bottom complete with galvanized iron pipe 40 mm bore medium grade 3 meter long tapers at bottom & provided 12 mm holes (staggered) at 75 mm centre to centre up to 2.5 meter of length from bottom , burried directly in ground filled with 45 cm alternate layer of chemical magnisium sulphate, charcoal & salt up to ground levl connected to galvanized iron strip 32 x 6mm as earthing lead by means of bolt and nut, check nuts and washer of galvanized iron or steel including brazing work and 40mm dia light grade pipe for earth lead protection and testing on completion and including taking out old earthing complete all as specified and directed.

M&L for plain cement concrete (1:2:4) type B-1 (using 20mm graded stone aggregate) for pedestal/coping/plinth of poles, including necessary form work finished even and smooth without using extra cement complete all as specified and directed by Engineer-in-charge. Note :- Volume of poles/struts embedded in concrete shall be deducted for the purpose of payment.

Supply, fabricating , fixing structural mild steel RS joist, channel angle iron, flat iron and brackets etc for fabrications of cross arms, bracings, supports, clamps, stiffeners, eye hooks and back plates fabricated from structural steel sections, including nuts, bolts, washers, welding, banding cold or hot drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one red oxide primer coat, one under coat and one finishing coat of aluminium paint complete all as specified & directed by Engineer-in-charge. (Insulators to be measured and paid for separately)

Demolition the de-shaped/ broken existing earthing PCC pit & construction of PCC pit as per plate No. 3 of SSR Part-I including funnel & wire mesh in & including 40mm thick pre cast cover slab of RCC (1:2:4) type B-1 using 20mm graded stone aggregate reinforced with 8mm TMT bars @ 10 cm C/C on both side with suitable cast iron handle complete all as specified and dircted by Engineer-in-charge.

S&F galvanised strip 32x6mm including taking out the rusted GI strip of any size complete all as specified and directed by Engineer-in-charge

S & F in repair Voltage transformers 11 KV/110 Volts class 0.5 to 3 burden 50VA all as specified complete all as specified and directed by Engineer-in-charge Make :- CG

S&F CT's ratio of 100+50/5,5 Amps complete all as specified and directed by Engineer-in-charge

S & F in repair of 11 KV Vaccum interpter for VCB complete all as specified and directed by Engineer-in-charge. Make :-CG

S & F in repair of epoxy resine cast VCB trolly mounted body assembly of VCB of 11 KV complete all as specified.

S & F ACSR conductor (Dog) on HT pole 11 mtr long including taking down poles cap 800/630 Amps complete all as specified.

Anil Builders

SS SODHA ENTERPRISES

Dadhich Engineers