REPAIR AND MAINT OF HT CABLE,VCBs TRANSFORMER AND ALLIED WORKS AT AF STN MANDORE UNDER AGE E/M , GE (AF) NO 02 JODHPUR

Amount

Excavation in trenches n.exc 1.5 Mtr wide and n.exc 1.5 Mtr in depth in hard/dense soil and getting out complete all as directed.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers n.exc 25cm complete all as directed.

Removal of excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and as directed.

M&L sand cushioning / filling for underground cable protection, filling under floors ,consolidated and compacted with clean dry sand complete all as specified and as directed.

M & L stone Slab 40 to 50 mm thick rough dressed jodhpur stone patties/ slab cover in trenches for protection of cable 25 to 30 CM wide and thickness not less than 50 mm in length lay dry abutting each other with gap between adjacent slab not exceeding 10 mm over sand cushioning.

Taking out defective LTUG cable XLPE/PVC sheathed 1100 volt grade heavy duty armoured with aluminium conductor from trenches, shifting serviceable cable 4 core 16 sqmm for relaying or taking the unserviceable cable as credit complete all as specified and directed for the following:- Note: Excavation and earth work shall be measured and paid for separately.

All as per itme No 6 above but 3.5 core 25 Sqmm

All as per itme No 6 above but 3.5 core 240 Sqmm

All as per itme No 6 above but 3.5 core 300 Sqmm

Taking out defective HTUG cable XLPE insulate, Screned PVC bedded galvinised steel strip or wire armoured, electric power cable with aluminium conductor, 11000 volt gradecrossenctional area 95 sqmm 3 core laid in trenches/ duct/pipe including all electrical connection with required lugs and nuts, bolts complete all as specified and directed by Engr -in-charge.

Supplying, Laying, Jointing and testing of under ground cable XLPE insulated, 1100 volt grade heavy duty armoured with standed aluminium conductor 4 core 16 sqmm laid in trenches/ duct/ pipe including all electrical connection with required lugs and nuts, bolts complete all as specified and directed by Engr-in-Charge.

All as per itme No 8 above but 3.5 core 25 Sqmm

All as per itme No 8 above but 3.5 core 240 Sqmm

All as per itme No 8 above but 3.5 core 300 Sqmm

Supply, laying & testing of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 (E)volts, grade cross sectional area 95 sq mm 3 core including taking down old unserviceable cable complete all as specified and as directed.

Taking out of existing LT UG cable of any size for joining LT cable using LT cable joining kit provided in tem No 11 to 14 complete all as specified and directed.

S&F LT Cable joining kit straight through heat shrinkable type complete with joining materials suitable for LT Armoured cables of size upto 25 Sqmm 2/3.5/4 core all as directed.

S&F LT Cable joining kit straight through heat shrinkable type complete with joining materials suitable for LT Armoured cables of size 35-70 Sqmm 3.5 core all as directed.

S&F LT Cable joining kit straight through heat shrinkable type complete with joining materials suitable for LT Armoured cables of size 95-120 Sqmm 3.5 core all as directed.

S&F LT Cable joining kit straight through heat shrinkable type complete with joining materials suitable for LT Armoured cables of size 185-240 Sqmm 3.5 core all as directed.

Supply & jointing cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95Sqmm including taking out old unserviceable jointing kit complete all as specified and as directed.

Supply & jointing cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95Sqmm including taking out old unserviceable jointing kit complete all as specified and as directed.

Supply & jointing cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95Sqmm including taking out old unserviceable jointing kit complete all as specified and as directed.

M&L for detecting of fault in 11KV (E) HT Cable 3 core of any size laid in trenches/ducts with the help of elecronic fault locating machine comprising of surge generator pulse, echo fault locator with high frequency distance calculator etc, exposing the cable fault, removal of deteriorated portion of cable, treating the cable including making it ready for jointing work complete all as specified and as directed by Eng- in Charge. Note: (i) The quoted rate shall deemed to include for the cost of excavation, earthwork as required. (ii) Cable & jointing kit if replaced shall be measured and paid separately under relevant items in the Schedule.

Dismantling and taking down air break gang operated switches vertical/ horizontal mounted including insulators and operating mechanism/ replacement of old serviceable air break switches of 400/200 Amps.

Supplying and fixing installing commissioning and testing HT 11 KV, 3 Phase system, outdoor type gang operatted switch, air break type suitable for vertical /horozintal mounting complete with necessary insulators and separators, set of drop out fuses (12 insulators) and operating handle of GI pipe 25 mm dia, medium grade rod of suitable length (Mechanically operating arrangement) locking arrangement with lock and two keys complete or rating 400 Amp including painting with EPOXY paint over handle of GOD upto 2 feet from handle complete including taking down defective/ unserviceable GOD all as specifed and directed MakeL JAIPURIA/ PACTIL

Supply and fixing drop out fuse assembly complete set with insulator 6 Nos and connecgted accessories for 11000 V grade with suitable size of drop out fuses incl taking down old unsv.

Material and labour for painting above the copping upto 1.5 mtr in alternatively black/Blue and white strips of 30 cm each & rest of the portion with two coats of silver/aluminium paint on steel tubular LT pole of any height and write the MES Pole no complete all as specified and directed

M&L for lighting arrestor expulsion type transmission class 65 Kilo Amps 11000V Grade incl connecting and taking down old unsv and removing from site as directed by Engr-in-Charge.

Supply and fix in repairs GI Strip 32 x 6 mm burried in ground/ laid in floor/ fixed to wll on saddles/ on porcelain insulators etc as directed.

Material and labour for earthing complete with galvanized steel earth plate electrode 60cmx60cmx6mm thick, buried directly in ground, vertically to a dpeth not less than 2.25 mtr deep below ground level with top edge of the earth plate at depth not lss than 1.5 mtr below ground level earth plate surrounded by 15 cm thick and packed layers of charcoal, dust and common salt, earth lead GI strip 32 x 6mm by means of bolts, nuts, check-nuts and wahsers of galvanised iron and thimbles and of earth wire protected by galvanised iron pipe light grade 40mm bore and water pipe 20mm bore GI medium grade with funnel and wire mesh complete 1:3:6 type C-1 using 20mm graded stone aggregate in lieu of CI cover and frame etc all as specified and shown in electrical plate No 3 of SSR- 2009 (Part-1)

Supply and fixing MCCB in replacement of 63 Amps, 3/4 pole, 415 volts, 50 HZ, rupturing capacity 16KA, connection with proper size of thimbles complete including taking out defective/ unserviceable MCCB all as specified and directed.

All as per item No 26 above but 100 Amps, 16 KA

Supply and fix MCCB in replacement with thermal magnetic release adustable type DU 160, 125A, 25KA, 415 Volts 3/4 pole all as specified & directed.

Supply and fix MCCB in replacement with thermal magnetic release adustable type DU 160, 160A, 25KA, 415 Volts 3 /4pole all as specified & directed.

All as per item No 37 above but 200 Amps, 36 KA

Supply and fix MCCB in replacement with thermal magnetic release adustable type DN2-250D, 250A, 415 Volts 4 pole 36KA all as specified & directed.

Supply and fix MCCB in replacement with thermal magnetic release adustable type DN3-400D, 400A, 415 Volts 4 pole 36KA all as specified & directed.

S & F Change over main switch, on load, four poles, 200 Amps, 415 Volts, 36 KA ,50 Hz, with enclosure, fixed in the existing LT panel board/ sheet metal enclosure including connecting up incoming/ out going cables with suitable lugs and testing complete all as specified and as directed.

Dismantaling top cover of transformer of capacity upto 300 KVA , any make for repair / replacement of HT / LT bushing of transformer , or for replacement of top cover gasket or for inspection of transformer or for internal repairs of transformer all including draining carefully transformer oil as required / upto the required level and refilling the same , re fitting the top cover of transformer after completion of the work including testing complete etc all as specified and directed.Note - spare parts will be measured and paid seperatelly

Repairs to the leaks of transformer from tap switch/ fins/ any pats of body, by replacing gasket / seal , or Repairs to the leaks of transformer body / fins, by welding / brazing and painting of transformer complete all as specified and directed.

M & L for replacement of defective silica gel breather with silica gel complete set upto 300KVA

M & L for replacement of LT bushing of brass with neoprene rubber bush for Transformer upto 300KVA capacities.all as directed by EIC

M & L for replacement of HT bushing of brass of transformer of any capacity upto 300 KVA.all as directed by EIC

Suply only Silica gel complete all as specified and directed by engineer -in- charge

Supply & filling of transformer/Voltage stablizer oil in site for toping up the level of oil having dielectric strength between 55-65 KV during filling after initial filtration of any capacity complete all as specified and directed by engineer -in- charge. Make : Gujrat Ptrochem/ Savita / Shakti / IPO Petro Ltd / Power Link.

M & L for dehydration /filtration of transformer oil in existing pole mounted/floor mounted transformer/Voltage stabilizer with the help of dehydration/filtration machine to achieve the dielectric strength of transformer oil not less than 50 KV all as directed by EIC Note:- (i) Dehydration/filtration machine will be arrange by the contractor and he will make his own arrangement and to carry the machine at various sub stations including vehicle and towing arrangement. The rate shall be inclusive at above.

Taking down shut down of volatge stabilizer and T & P for fault detecttion of non working existing voltage stabilizer oil cooled /air cooled of different sizes 200 to 400 KVA at different locations including replacement of unserviceable spare parts push button switch ,Auto manual switch,DPDT switch,panel lamp,voltmeter,Ammeter,PCB cards ,rotatory switch 5 Amp for RYB phase including complete servicing and testing commissioning of the voltage stabilizer on full load to the entire satisfaction of engr-in-charge complete all as specified and as directed.

M & L in repair Servo motor 3 KG torque for 200 KVA to 400 KVA per phase of servo voltage stabilizer complete all as specified and as directed by engr-in-charge

M & L in repair Servo motor 10 KG torque for 200 KVA to 400 KVA per phase of servo voltage stabilizer complete all as specified and as directed by engr-in-charge

M & L in repair Drive assy 200 KVA to 400 KVA per phase of servo voltage stabilizer complete all as specified and as directed by engr-in-charge

M & L Spray painting with two coat of synthetic enamel paint after brushing with wire brush , emery paper etc for 200 KVA to 400 KAV of Voltage stabilizer in varioes location including writing MES /SM No all as specified and as directed.

M & L in repair incl taking down old GI tubing Light grade 80mm incl all accessories for protection cable complete all as specified and directed in engr-in-chage

All as per itme No 47 above but 50mm

All as per itme No 47 above but 40mm

S & F in repair GI Bracket for mounting street light fittings made out of light grade 32mm GI pipe and have angle of 120 degree incl fixing arrangement complete all as specified and as directed by engr-in-charge.

Material & labour for Repair,Maitainance & Servicing of 11KV HT VCB indoor/outdoor type complete including the following (a) Taking out 11KV HT VCB & Relays set of VCB panel of 400/630/800 Amp rating trolley from HT Panel after switching off electric supply. Removing all mechanical/electrical/control system for proper functioning e.g. spring charge system, triping system, remote operation, indication system, upward-downward/in-out movement of HT VCB trolley,etc including opening the VCB trolly & checking the quality of insulating material,vaccum system complete. Replace defective parts, fixed/ moving contacts and blowing out dust and applying the proper lubrication/ greasing with AP-3 grease and reassembling the VCB including connection to HT panel and make the VCB functional to the entire satisfaction of and as directed by the Engineer-in-charge. Notes :- (i) The VCBs are installed of different type of makes installed at site like Crompton Greaves, Alstom, Areva, Schneider,Siemens,C&S,ABB, etc. (ii) Spare parts if replaced & if Gas if filled shall be measured and paid separately .

Material & labour for Repair and maintanance of relay set (O/C and E/F relays) of any make for 11KV VCB panel, removing and refixing (the contacts NO+NC should be cleaned by CTC solution and adjust if electromagnetic) with faulty part replaced and calibrate the relays by relay testing kit & proper setting as per reqd load & time delay and fixing the relay set in HT panels complete all as specified and directed by Engr-in-charge. Notes :- (i) Testing shall be carried out by primary and secondry injection kit. (ii) Spare parts shall be measured and paid separately under supply only. (iii) The tripping system should be in accordance with the incomer of the affected feeder and setting should be maintained such that fault does not carry beyond the particular feeder due to overload, 3 phase fault, earth fault etc. (iv) The VCBs/RMUs are of different type of makes installed at site like Crompton Greaves, Alstom,Schneider, Ashida, Siemens,L&T, C&S ,ABB or any other of relays available on the site.

Material & labour for Repair and maintanance of 11 KV HT RMU indoor/outdoor type, EACH WAY of RMU 400/630/800 Amp rating from HT Panel after switching off electric supply. Removal of all the possible mechanical/electrical/control system for proper functioning e.g. spring charge system, triping system, indication system, including checking the quality of insulating material, complete & refixing with faulty part replaced blowing out dust and applying the proper lubrication/ greasing and reassembling the including motorised operation and connection to HT panel & filling of gas (if quantity is lesser than required) and make the RMU functional to the entire satisfaction and as directed by the Engineer-in-charge. Notes :- (i) The RMUs are different type of makes installed at site like Crompton Greaves, Alstom, Areva, Schneider,Siemens,C&S,ABB etc. (ii) Spare parts if replaced & if Gas if filled shall be measured and paid separately under supply only.

Supply only SF6 gas suitable for HT 11 KV RMU/VCB complete all as directed by Engr-in-charge.

Supply and fixing trip coil suitable for HT, VCB/RMU, operating on 24/110 volt system and testing complete all as directed by Engr-in-charge. Make:Crompton Greaves, Alstom, Areva, Schneider, Siemens, C&S,GEC,ABB.

Supply and fixing closing coil operated on 110 / 24 volt system suitable for working of relay of HT VCB/RMU complete all as directed by Engr-in-charge. Make: Crompton Greaves, Alstom, Areva, Schneider, Siemens, C&S,GEC, L&T,ABB or equivelent make.

Supply & testing of spring charging motor(Universal motor/DC Motor) for outdoor/indoor type, 11KV, VCB/RMU,operated on 110/24 volts DC,with charging time less than 15 sec of approved rating complete all as specified and directed by Engr-in-Charge.

Supply & testing of spring charging mechanism for outdoor/indoor type, 11KV, VCB/RMU,operated on 110/24 volts DC,with charging time less than 15 sec of approved rating complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair cast resin type 2 core CTs 100-50/1 suitable for RMUclass 5P10, burden of 15 VA and metering & protection core class 1 and burden of 2.5 VA etc complete all as specified and directed. Make:Crompton Greaves,Alstom,Areva, Schneider,Siemens,C&S,L&T, ABB

Supply and fix in replacement of Power Pack for 11 KV VCB/RMU suitable for incoming supply 220/110 volts AC supply and output 110/24 volts DC supply all as per existing with wiring complete all as directed by Engr-in-Charge. Note : - The contractor has to visit the site to check the existing system of 11 KV VCB for installation of power pack unit. Make:Crompton Greaves,Alstom,Areva, Schneider,Siemens,C&S,L&T, ABB

Supply, installation, testing and calibration of relay in replacement, Microprocessor based 110V/24V three phase relay system to overcurrecnt , one earth fault protection type for 11 KV breaker, setting range suitable for over current and earth fault with necessary wiring/fitting including dismantling of old or unserviceable relays.The setting of the relay should be in accordance with the incomer and setting should be maintained such that fault does not carry beyond the affected feeder in case of Overload,3 phase fault, earth fault etc. complete all as specified and directed Note :- The rate to be quoted for any make of relays available on the site. Make:CG,Alstom,Areva, Schneider,Siemens,C&S,L&T,ABB,Ashida

Supply and fixing vacuum interruptor bottel suitable for HT VCB 11 KV of Make Alstom/CG/scheneider/Siemens . The replacement shall be done by OEM rep/competent Engineer all as directed by engr in charge

M & L PCC 1:4:8 type D-2 using 40 mm graded crushed stone aggregates as in foundation of poles etc filling and mess concrete complete all as specified.

M & L PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregates as in foundation of poles etc filling and mess concrete complete all as specified.

LOKESH ELECTRICAL WORKS CONTRACTOR

Shri Electrical Enterprises