Repair maint to HT OR LT LT overhead line LT cable in domestic area and Tech area at AF station Jodhpur

Amount

Preventive maintenance for 63KVA compact substation (CSS) which includes general preventive maintenance activities carried out twice in a year and breakdown Maintenance / emergency visit twice in a year Note:- (i) Preventive maintenance shall be carried out one time in every six months (twice in contract period) (ii) Contractor shall be responsible for repairing the CSS and connected items during any breakdown / emergency. (within contract period deemed included in the quoted rates) (iii) Routine testing shall be carried out once in six months. (iv) Contractor shall be responsible for refilling of gas required for CSS (v) the quoted rate shall be inclusive of repairing works like welding / Hinges of CSS both door's Quoted rates shall also be deemed to include for the following:-(ii) Contractor shall be responsible for repairing the CSS during any breakdown / emergency.(iii) Preventive maintenance and routine testing as detailed above. (iv) Contractor shall also be responsible for refilling of gas required for CSS 1.01 Lubrication of mechanical critical parts of circuit breaker shall be done.Lubrication of spring mechanism shall be carried out.Checking the movement and interlocks of RMU with VCB & isolator.Checking of alignment of open cable doors.Physical healthiness of switches,indication lamp, aux relays.Busbar tightness , bus joint healthiness checks by torque wrench and contact resistance check.Any other service point observed.Planning & updating maintenance CSS testing.Testing of protection relay by secondary injection test.Routine testing of transformer.1.02 Check the trip operation of the breaker through relay.Primary injection test on CTs.Contact resistance testing on breaker and bus joints.Ratio check of potential transformer.Checked the open delta voltage ( if applicable).Megger & HV test.B.Check list for CSS preventive Maintenance :-(a) Common check point :-Visual Inspection of CSS.Visual Inspection of side wall of CSS.1.03 Earthing pit connection checking,Earthing pit Healthiness verification-ground resistance,Opening and Closing of HT door,Opening and Closing of Metering Door,Opening and Closing of Trafo door -1,Opening and Closing of Trafo door -2,Opening and Closing of LT door,Operation Healthiness HT door limit switch,Operation Healthiness Trfo door limit switch -1- HT tripping /alarm,Operation Healthiness Trafo door limit switch -2- HT tripping / alarm.1.04 Operation Healthiness LT door limit switch,(c) Operational checking point of HT panel :-SF6 gas level indication - position in zone,DC power pack operation healthiness,Battary 24 V DC heathiness,Spring Charging of HT breaker -by manual operation,Spring Charging of HT breaker -by motor operation if available,Closing of breaker by push button,Opening of breaker by push button,Off load Isolater closing and opening.1.05 Earthswitch closing and opening checking -Interlock between breaker and off load isolater,Interlock between Earth switch and off load isolater,Interlock of earth switch and BKR cable door,ON load isolater operation of closing and opening by manual,ON load isolater operation of closing and opening by motor if available,ON load isolater earth switch operation,ON load Isolater Interlock of earth switch and cable door.1.06 Individual opening and closing of cable door -ON load isolater.1.07 Individual opening and closing of cable door -Breaker-3,Earthing tigthness checking of HT Breaker,Termination Tightness verifiation of all three HT module,Ensure - for proper Gland plate, Cable support , termination boot,Ensure - cable bushing must be unloaded,Tripping coil health in operation,Remote tripping of HT breaker.Relay self power battery checking.Relay trip test operation checking,Reading in measurement checking / healthiness of relay by testing .1.08 VPIS heathiness,Transformer protection Relay working,Earth Fault indicator testing / resetting,All Padlock checking of RMU,(d) Transformer Check Points :-Visual inspection of transformer,Visual inspection of bushing & bolt.Insulation resistance of Trafo cable.1.09 Insulation resistance of Transformer,Tigtness of HT bushing,Tigtness of Bus bar,Transformer earthing,CSS body earthing,Hooter operation healthiness checking,Pressure relief Valve healthiness,Pressure relief Valve and HT tripping/alarm verification if provided,WTI reading verification,WTI operation tripping / alarm checking.1.10 Tap change over opeartion healthiness.Transformer compartment lamp,Proper HT Cable support,GI earthing strip supporting Insulator condition,(e) LT compartment Check Points :-Manual operation of MCCB,Manual closing and opening.1.11 Tightness off all busbar,Earthing connection verification,Indication Lamp of Phase,LT BKR / ACB indication ( alarm / trip),Protection relay working- LT.

S&F in replacemner LT Feeder Pillar ( Kiosk )of suitable made out 3 mm thick out door type CPRI approved) with openable Front door including locking arrangement with Copper Busbar 400 amps rating with MCCB 250 Amps 4pole 25KA thermal megnatic type for incoming and fixed on angle iron frame and PCC plinth complete all as specified and directed.

S&F in replacmenet LT Feeder Pillar ( Kiosk )of suitable made out 3 mm thick out door type CPRI approved) with openable Front door including locking arrangement with Copper Busbar 250 amps rating with MCCB 125 Amps 4pole 16KA thermal megnatic type for incoming and fixed on angle iron frame and PCC plinth complete all as specified and directed.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 150 sqmm*3.5 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sqmm*3.5 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sqmm*4 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sqmm*3.5 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sqmm* 4 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 50 sqmm*4 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sqmm*4 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sqmm* 4 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sqmm* 3.5 core as directed by Engineer- in- Charge.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 sqmm* 2 core as directed by Engineer- in- Charge.

Material & labour in repair for earthing complete with galvanised steel earth electrode 60cm x 60cm x 6 mm buried directly in ground vertically to depth not less than 2.25m below normal ground level with top edge of the earth plate at a depth not less than 1.5m below ground level connected to and including GI earth lead wire 4mm dia by means of nuts, bolts, check nuts and washer etc, made of GI and connected to test point and earth dolly all as shown in electrical plate No. 3 SSR Part-I 2009 and specified or indicated including excavation and earthwork in any type of soil, PCC (1:3:6) Type C1 in earth pit chamber, precast RCC cover 50mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric or XPM (Weight not less than 4.00 Kg/Square metre) with cast iron frame, funnel with wire mesh, 20mm bore medium grade GI watering pipe, lugs, 15 mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed. Note :- The rate of above Item includes the cost of earth lead and GI protection pipe up to 7.5 Metres. GI strip beyond 7.5 Metre shall be measured and paid for separately.

Material & labour in repair for earthing complete with galvanised steel earth electrode 60cm x 60cm x 6 mm buried directly in ground vertically to depth not less than 2.25m below normal ground level with top edge of the earth plate at a depth not less than 1.5m below ground level connected to and including GI strip earth lead 25*4 mm dia by means of nuts, bolts, check nuts and washer etc, made of GI and connected to test point and earth dolly all as shown in electrical plate No. 3 SSR Part-I 2009 and specified or indicated including excavation and earthwork in any type of soil, PCC (1:3:6) Type C1 in earth pit chamber, precast RCC cover 50mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric or XPM (Weight not less than 4.00 Kg/Square metre) with cast iron frame, funnel with wire mesh, 20mm bore medium grade GI watering pipe, lugs, 15 mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed. Note :- The rate of above Item includes the cost of earth lead and GI protection pipe up to 7.5 Metres. GI strip beyond 7.5 Metre shall be measured and paid for separately.

Boring of holes under road, pavement, hard standing by manual method including 100mm of HDPE pipe complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation etc or for laying of cables, errection of poles, struts/stays etc not exceeding 10 sqm on plan and getting out in soft / loose soil complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25 cm in soft / hard dense soil complete all as specified and directed.

Removing excavated materials to a distance not exceeding 50 m and depositing where directed, at a level not exceeding 1.5 m above the starting point in soils complete all as specified and directed.

M&L Sand cusioning of tibba sand for XLPE cable with screened & washed sand & punning to provide a required cover complete all as specified and directed.

Supplying and laying reinforced precast concrete cable cover, Class LV, Type I, flat, size 250mm x 150mm x 40mm complete all as specified and directed.

Labour only for retrived stone putty from excavation complete all as specified and directed.

Dismantling insulators any type, any size complete all as specified and directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete and setting aside for re-use with in 50m complete all as specified and directed.

Dismantling of ACSR or AAC conductors complete all as specified and directed.

Dismantling concrete poles/ struts, any size complete all as specified and directed.

Dismantling stay assembly complete. Including (demolition of concrete, etc. and excavation measured ) complete all as specified and directed.

Supply and fix in replacement of ACSR conductor for LT overhead line complete all as specified and directed.

S& F in Pin type, porcelain, vitreous, white,brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100 mm height, 65mm dia for 1100 volts grade complete all as specified and directed.

S& F in sackle type, porcelain, vitreous, white,brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100 mm height, 115 mm dia for 1100 volts grade complete all as specified and directed.

S& F in repair Cross arms, bracings, 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 one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

S& F in Prestressed concrete pole 9.0 metres long, 102x172mm at top and 102x279mm at bottom, class 10 complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation etc or for laying of cables, errection of poles, struts/stays etc not exceeding 10 sqm on plan and getting out in soft / loose soil speciallu for LT pole stay assembly complete all as specified and directed.

M & L for PCC of ANY size made up of PCC 1:2:4 type B-1 20 mm for coping fixing/ mounting of poles complete all as specified and directed.

M & L for PCC of ANY size made up of PCC 1:3:6 type C 2 40 mm Blocks for FOUNDATION fixing/ mounting of poles complete all as specified and directed.

M & L for PCC of ANY size made up of PCC 1:2:4 type B-1 20 mm Blocks for lower base fixing/ mounting of poles complete all as specified and directed.

S&F in stay assembly including stay wire ,plate and nut bolts complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and exceeding 1.5 m in depth for foundation etc or for laying of cables, errection of poles, struts/stays etc not exceeding 10 sqm on plan and getting out in soft / loose soil speciallu for LT pole stay assembly complete all as specified and directed.

M&L in replacement of composite LT line spacer ,The L.T. Line spacers shall be made of high quality rigid PVC of grey colour and shall be of high workmanship. The spacers shall be waterproof, weatherproof and shockproof. The material used shall also be resistant to chemical etc. ISI marked material shall be preferred complete all as specified and directed.

S&F in replacement cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 400 sqmm*1 core as directed by Engineer-in-Charge.

Material and labour for unbinding ACSR conductor and insulators from the poles and restretching/restringing and fixing of same ACSR conductor on same poles and insulators and binding the same with and including new 2 mm dia aluminium binding wire including making/tightening of jumpers at appropriate place to ACSR Conductor at site all as specified and directed by Engineer-in-Charge. Note: All wires between pole to pole shall be restringed and measured as one length. Distance between pole to pole shall be considered for the purpose of payment.

S&F in repair of power factor meter for LT panel 3 phase 4 wire system including suitable size of CTs of following charactorstics :-Measurement Range - Zero Lag -Unity- Zero Lead 1) Auxiliary Burden: <2.5VA at 230V 2)Voltage & Current Circuit burden : <0.5VA 3)Accuracy : ±0.01% 4)Resolution : 0.01 (For Single phase P.F. Meter) 0.001 (For Three phase P.F. Meter)Lag/Lead indication on the display 5) Bright 4 Digit 14mm LED display 6) Universal Auxiliary Supply -80 to 300V AC/DC

M&L for painting of angle iron/cross arms of LT overhead line pole with aluminium paint complete all as specified and directed.

Supply and fixing in repair of MCCBs of following sizes:-(a) MCCB 400 Amp 4 pole 415 V ,36KA thermal megnatic release type complete all as specified and directed.

(b) Ditto all as per above item no.46 but MCCB 250 Amp 4 pole 415 V,25 KA thermal megnatic release type complete all as specified and directed.

(c) Ditto all as per above item no.46 but MCCB 200 Amp 4 pole 415 V,25 KA thermal megnatic release type complete all as specified and directed.

(d) Ditto all as per above item no.46 but MCCB 160 Amp 4 pole 415 V,16 KA thermal megnatic release type complete all as specified and directed.

(e) Ditto all as per above item no.46 but MCCB 125 Amp 4 pole 415 V,16 KA thermal megnatic release type complete all as specified and directed.

(f) Ditto all as per above item no.46 but MCCB 100 Amp 4 pole 415 V,16 KA thermal megnatic release type complete all as specified and directed.

(g) Ditto all as per above item no.46 but MCCB 63 Amp 4 pole 415 V,10 KA thermal megnatic complete all as specified and directed.

Supply and Fix in repair ON Load change over switch 415 V in sheet metal enclosure 4 pole of capacity 100 Amps complete all as specified and directed.

Supply and Fix in repair ON Load change over switch 415 V in sheet metal enclosure 4 pole of capacity 160 Amps complete all as specified and directed.

Supply and Fix in repair ON Load change over switch 415 V in sheet metal enclosure 4 pole of capacity 250 Amps complete all as specified and directed.

Supply and Fix in repair ON Load change over switch 415 V in sheet metal enclosure 4 pole of capacity 400 Amps complete all as specified and directed.

S&F in replacement of cable jointing kit for 1100V grade cable for straight through heat shrink type joint complete jointing material & accessories suitable for 3.5 core XLPE armoured aluminium condctor of size 95 to 120 sqmm complete all as specified and directed.

S&F in repair of cable jointing kit for 1100V grade cable for straight through heat shrink type joint complete jointing material & accessories suitable for 3.5 core XLPE armoured aluminium condctor of size 150 to 185 sqmm complete all as specified and directed.

S&F in repair of cable jointing kit for 1100V grade cable for straight through heat shrink type joint complete jointing material & accessories suitable for 3.5 core XLPE armoured aluminium condctor of size 50 to 70 sqmm complete all as specified and directed.

S&F in repair of cable jointing kit for 1100V grade cable for straight through heat shrink type joint complete jointing material & accessories suitable for 3.5 core XLPE armoured aluminium condctor of size 240 to 300 sqmm complete all as specified and directed.

S&F in repair of guard wire for LT overhead line of 4mm GI wire complete all as specified and directed.

Material & labour in repair for earthing complete with copper earth electrode 60cm x 60cm x 3.15 mm buried directly in ground vertically to depth not less than 2.25m below normal ground level with top edge of the earth plate at a depth not less than 1.5m below ground level connected to and including copper strip earth lead 20*3 mm dia by means of nuts, bolts, check nuts and washer etc, made of GI and connected to test point and earth dolly all as shown in electrical plate No. 3 SSR Part-I 2009 and specified or indicated including excavation and earthwork in any type of soil, PCC (1:3:6) Type C1 in earth pit chamber, precast RCC cover 50mm thick in cement concrete (1:2:4) type B1, reinforced with welded steel wire fabric or XPM (Weight not less than 4.00 Kg/Square metre) with cast iron frame, funnel with wire mesh, 20mm bore medium grade GI watering pipe, lugs, 15 mm bore medium grade GI protection pipe, test point etc. complete all as specified and directed. Note :- The rate of above Item includes the cost of earth lead and GI protection pipe up to 7.5 Metres. copper strip beyond 7.5 Metre shall be measured and paid for separately.

M&L for general servicing of isolation transformer of 200KVA capacity including cleaning of winding with electric blower ,checking of winding insulation, checking of serviceability of cooling fan if unserviceable repairing of exhaust fan and refiiting after repair,checking of control wiring ,timer repair made serviceable with entire satisfaction of Engineer-in-Charge.

M&L for general servicing of isolation transformer of 630 KVA capacity including cleaning of winding with electric blower ,checking of winding insulation, checking of serviceability of cooling fan if unserviceable repairing of exhaust fan and refiiting after repair,checking of control wiring ,timer repair made serviceable with entire satisfaction of Engineer-in-Charge.

S&F in repair tempra plug and socket including DBs Consisting 4 module of 63A 415V including 3P+N+E-FP complete all as specified and directed.

S&F in repair metra plug and socket including DBs Consisting 4 module of 32A,415V including 3P+N+E complete all as specified and directed.

S&F in repair metra plug and socket including DBs consisting 02 module of 32A ,240V including 1P+E+N complete all as specified and directed.

S&F in repair MCB TPN 63A,C curve 415V complete all as specified and directed.

S&F in repair MCB TPN 32A,C curve 415V complete all as specified and directed.

S&F in repair MCB DP 32A,C curve 240V complete all as specified and directed.

S&F copper cable 1100 V PVC insulated multicore 10 sqmm 05 core unarmed for industrial sockets fixing of hanger side wall incluiding all fixing accessories complete all as specified and directed.

S&F copper cable 1100 V PVC insulated multicore 6 sqmm 03 core unarmoured for industrial sockets fixing of hanger side wall incluiding all fixing accessories complete all as specified and directed.

S&F SITC of cubical type outdoor type LT panel with ribbed type external surface, made of high quality CRCA 3MM characterised MS Flat iron clamp/angle iron of size 40X40X6 mm with nut, bolt washer etc shall be provided if required at site comp;lete including necessary PCC foundation with PCC(1:3:6)/bricks works and necessary earth work etc. for lifting 4 hook should be provided at top of panel (1) Incomming:-(a) Bus bars of alluminium strips of 300 Amp current rating capacity mounted on epoxy/FRP bus bar insulator - 01 set. (b) MCCB 160 Amps TPN 25 KA, 415 V thermal megnatic type - 01 No. for incoming.(c) multifunction meter with accuracy class 0.5 RS 485 enable to measure voltage,current ,power with suitable size CT.(d) indicating lamp set of 03 R,Y,B.(2) OUT GOING:-(a) MCCB 100A Amps TPN 16 KA 415 Volts thermal megnatic type -02 for outgoing.(B) MCCB 63A Amps TPN 16 KA 415 Volts thermal megnatic type -02 for outgoing.(c) MCB 32 Amps TPN 10 KA 415 Volts-01.Note:- all outgoing feeder shall be connected with suitable size of bus baar.

S&F SITC of cubical type outdoor type LT panel with ribbed type external surface, made of high quality CRCA 3MM characterised MS Flat iron clamp/angle iron of size 40X40X6 mm with nut, bolt washer etc shall be provided if required at site comp;lete including necessary PCC foundation with PCC(1:3:6)/bricks works and necessary earth work etc. for lifting 4 hook should be provided at top of panel.(1) Incomming:-(a) Bus bars of alluminium strips of 500 Amp current rating capacity mounted on epoxy/FRP bus bar insulator - 01 set.(b) MCCB 250 Amps TPN 25 KA, 415 V thermal megnatic type - 01 No. for incoming.(c) multifunction meter with accuracy class 0.5 RS 485 enable to measure voltage,current ,power with suitable size CT.(d) indicating lamp set of 03 R,Y,B.(2) OUT GOING:-(a) MCCB 160A Amps TPN 16 KA 415 Volts thermal megnatic type -01 for outgoing.(B) MCCB 100A Amps TPN 16 KA 415 Volts thermal megnatic type -02 for outgoing.(c) MCCB 63A Amps TPN 16 KA 415 Volts thermal megnatic type -02 for outgoing.(c) MCB 32 Amps TPN 10 KA 415 Volts-01. Note:- all outgoing feeder shall be connected with suitable size of bus baar

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