85869 E8 REPAIR AND MAINTENANCE OF EXTERNAL ELECTRIFICATION AND ALLIED WORKS AT AF STN MANDORE UNDER AGE EM AT GE (AF) NO 2 JODHPUR

Amount

Excavation in trenches n.exc 1.5 Mtr wide and n.exc 1.5 Mtr in depth in soft/loose 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 complete all as specified and directed.

Taking out defective LT UG 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 item No 6 above but 3.5 core 25 Sqmm

All as per item No 6 above but 3.5 core 35 Sqmm

All as per item No 6 above but 3.5 core 50 Sqmm

All as per item No 6 above but 3.5 core 70 Sqmm

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

Taking out defective HT UG 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 Engineer -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 Engineer-in-Charge.

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

All as per item No 8 above but 3.5 core 35 Sqmm

All as per item No 8 above but 3.5 core 50 Sqmm

All as per item No 8 above but 3.5 core 70 Sqmm

All as per item 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 directed.

Taking out of existing LT UG cable of any size after jointing using LT cable jointing kit provided in tem No 9 complete all as specified and directed.

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

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

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

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

M&L for boring of road corssing of size 100mm dia by sing trenchless technology with use of machinery equipment complete without damaging the surface at suitable depth for drawing cables/ pipe lines etc complete all as specified and directed.

Dismantling and taking out the stay assembly complete including demolition of plain cement complete all as specified and directed.

M&L for stay assemble complete with wccessories as shown in electricla plate No 1 incl GI adustable stay Rod of 16mm Dia, GI Stay wire of size 7/4 mm incl stay clamps, loop type insulator excavation in any strata with PCC 1:3:6 & Concrete complete all as specified and directed including taking down old unserviceable stay assembly.

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 complete all as specified and directed.

Supply,Fixing, installing, commissioning and testing HT 11 KV, 3 Phase system, outdoor type gang operatted switch, air break type suitable for vertical 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 complete all as specified and directed. Make :- JAIPURIA/ PACTIL

All as per Ser No 23 above but Horizonatally operated w/o drop out fuses (9 insulator) complete all as specified and directed.

S&F 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 complete all as specified and directed.

M&L for painting with two coats of synthetic enameled paint on LT PCC pole upto 1.5 mtr above the GL in alternatively black and white strap of 30 cm each after scrapping/ removing the existing paint and the preparation the surface of PCC LT pole 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 Engineer-in-Charge.

M&L for lighting arrestor LT outdoor Non-Linear type with Arcing Horns 1100V grade incl connecgting and taking down old UNSV and removing from site as directed by Engineer-in-Charge.

S&F in repairs GI Strip 32 x 6 mm burried in ground/ laid in floor/ fixed to wll on saddles/ on porcelain insulators etc complete all as specified and directed.

M&L 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)

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

All as per item No 31above but 100 Amps, 16 KA complete all as specified and directed.

S&F MCCB in replacement with thermal magnetic release adustable type DU 160, 125A, 16KA, 415 Volts 3 pole complete all as specified and directed.

S&F MCCB in replacement with thermal magnetic release adustable type DU 160, 160A, 36KA, 415 Volts 3 pole complete all as specified and directed.

All as per item No 34 above but 200 Amps, 36 KA complete all as specified and directed.

S&F MCCB in replacement with microprocessor release 250A, 415 Volts 4 pole 36KA complete all as specified and directed.

S&F MCCB in replacement with microprocessor release 400A, 415 Volts 4 pole 36KA complete all as specified and directed.

S&F Change over main switch, on load, four poles, 400 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 directed. Make:- L&T.

Transfromer 11 KV, up to 300 KVA ,Indoor/ outdoor type externally included all accessories (such as conservator tank, marshaling box, bushings, bucholz relay radiator, bushing,oil level indicator ) complete and checking the incoming and outgoing termianl connection complete with the following testing :- (i) Transformer oil dielectric strength (BD voltage) test (ii) Buccholz realy alarm and trip testing (iii) Oil temperator alarm & trip testing (iv) Winding tempreture alarm & trip testing (v) Meggar testing between HV to earth (vi) Meggar testing betweeen LV to earth) (vii) Meggar testing between HV to LV (viii) Earth resistenace test of transformer neutral (ix) Earth resistence test for body earthing (x) Repalcement all packing and viewing glass in marshilling box (if requried)

Taking down/Shifting carefully transformer any capacity, any make, any type from pole / plinth by dismantaling, dis-connecting HT & LT sides, earthings of transformer, supporting angles/crossarms, Shifting / transporting transformer carefully from the site to the other Location/workshop and refixing at site with all electrical connection to the entire satisfaction of Engineer -in- Charge.

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 etc complete 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 etc complete all as specified and directed.

Taking down burnt HT/LT copper winding and rewinding the same with super enameled new copper wire and cotton wire of existing size specification including insulation of HT/LT winding insulation and insulating materials and changing of transformer oil complete all as per latest engineering practice and IS.and all as directed by Engineer -in- Charge.

M&L for replacement of defective silica gel breather with silica gel complete set upto 300KVA Engineer -in- Charge.

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

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

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 Engineer -in- Charge. 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 at different locations including replacement of unserviceable spare parts under respective items given in sch 'A' as supply only and testing commissioning of the voltage stabilizer on full load to the entire satisfaction of Engineer-in-Charge. Note :- The following supply only items measured & paid separately.

Supply only Push button switch

Supply only Auto mannual switch

Supply only DPDT switch

Supply only micro switch

Supply only panel lamp

Supply only potentionalmeter

Supply only voltmeter

Supply only amp meter with CT

Supply only PCB Holder for balance stabilizer

Supply only RC Network for 10 KG torque

Supply only RC Network for 30 KG torque

Supply only Carbone bush

Supply only Trigger transformer

Supply only Rotary switch 5 Amp for R YB phase

Supply only electronic cuircuit card (PCB)

Supply only Shunt coil 220Volt AC

Supply only Limit switch

M&L in repair Servo motor 3 KG torque complete all as specified and as directed by Engineer -in- Charge.

M&L in repair Servo motor 10 KG torque complete all as specified and as directed by Engineer -in- Charge.

M&L in repair Drive assy 100 KVA to 400 KVA per phase of servo voltage stabilizer complete all as specified and as directed by Engineer -in- Charge.

M&L Spray painting with two coat of synthetic enamel paint after brushing with wire brush , emery paper etc for 300 KVA to 400 KAV of Voltage stabilizer in varioes location including writing MES /SM No complete all as specified and directed.

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

All as per item No 55 above but 50mm complete all as specified and directed.

All as per item No 55 above but 40mm complete all as specified and directed.

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 Engineer -in- Charge.

Dismantling of dammaged PCC Pole of size 9 mtr long disposal complete all as specified and directed.

M&L in repair for prestressed concrete pole 9 mtr long 102 mm x152mm at top and 102mm x 289mm at bottom class 10 complete all as specified and directed.

M&L 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 under supply only.

M&L 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.

M&L 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 HT33/11 KV RMU/VCB complete all as directed by Engineer -in- Charge.

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

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

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

Supply only closing shaft assembly operated on 110 / 24 volt system suitable for working of relay of HT VCB/RMU complete all as directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/GEC/ L&T/ABB or equivelent.

Supply only Motor cut off limit switch sutable for HT 11 KV VCB/RMU complete all as directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/GEC/ L&T/ABB or equivelent make as given in Appendix 'B' as approved by the GE.

Supply only Push Button element with one NO / NC complete all as directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/GEC/ L&T/Teknic/ABB or equivelent .

Supply only Spring charging handle suitable of VCB/RMU charging as per sample all as specified and directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/GEC/ L&T or equivelent .

Supply only TNC switch with wiring suitable for 11 KV VCB complete all as directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/GEC/ L&T/ABB or equivelent .

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 Engineer -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 Engineer -in- Charge.

S&F in repair multifunction meter with digital display suitabale for measuring 11 KV electrical parameters( Voltage, Amp, power factor, frequcncy. Kwh, harmonics upto 31 level) type EM-6400/PM-820 fixed in existing panel board etc complete all as specified and directed.

Supply only Auxiliary switch 6 NO/6NC complete all as directed by Engineer -in- Charge. Make:- Crompton Greaves/ABB/Alstom/Areva/Schneider/Siemens/ C&S/GEC/L&T or equivelent .

S&F in repair indication lamp (LED type) Red or Yellow or Green colour suitable for 110 volts AC / 110 volt DC / 30 volts DC (as required at site) complete all as specified and directed by Engineer -in- Charge. Make:- Crompton Greaves/Alstom/Areva/Schneider/Siemens/C&S/ L&T/ABB.

S&F in repair cast resin type 2 core CTs 80-40/1 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.

S&F 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 Engineer -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

Material, labour & T&P for repair and maintenance of battery bank of output 110 Volt with total no of 10 batteries with following jobs:- (a) Checking the terminals of battery and cleaning it and pouring of distilled water into it. (b) Checking of terminal voltage output of individual battery and locating the fault if any (c) checking the 110V DC supply to the relay and auxiliary units installed in the VCB (d) Checking the battery charger for the charging of the battery bank Note:- The Battery to be replaced shall be measured separately under Supply only.

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 only under voltage coil assembly suitable for HT VCB operated on 110/30 volt system and testing complete all as specified and directed by Engineer -in- Charge.Make:- Crompton/Siemens/Areva or as approved.

Supply only HRC Fuse for PTs 11 KV capacity 1 to 2 Amp complete all as specified and directed. Make:- L&T or equivelent .

Supply only barrel type HT fuse 6 Amps for PT 11 KV VCB's complete all as specified and directed.

Supply only jaw contact suitable for 11 KV indoor VCB complete all as specified and directed. Make:- CG/ALSTOM/AREVA/SCHNIEDER/SIEMENS.

Supply only vacuum interruptor bottel suitable for HT VCB 11 KV of complete all as specified and directed. Make:- Alstom/CG/scheneider/Siemens . The replacement shall be done by OEM rep/competent Engineer all as directed by Engineer-in-Charge.

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 and directed.

PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregates as in foundation of poles etc filling and mess concretecomplete all as specified and directed.

Nvimal Engineers and Contractor

BHARAT NIRMAN INFRASTRUCTURE COMPANY

M/S RAKESH CHOUDHARY