REPAIR MAINT OF 11 KV AND 33 KV HT ELECT INSTALLATIONS INCLUDING CONNECTED ITEMS SUCH AS TRANSFORMERS VCBs CT PT GOD DO FUSES AVR CABLES ETC AT OAF MIL STN UNDER AGE E M OF GE 970 EWS

Amount

Taking down Triple pole mechanism complete with DO Fuse unit from the site, supply and installation DO fuse unit triple pole, mechanically operated, mounted on insulator and steel frame,with opertaing mechanism worked from ground level with GI pipe medium grade, for current rating upto 400 Amps and Air break (switch) insulator suitable for HT 11 KV out door type 50 Amp (DO Fuse) complete all as specified and directed.

Taking down old unservicable cable of any size or type from any description (trenches, walls, ceilings., etc) from various locations, including any short length, complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm complete all as specified and directed.

S&F in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

Supply, laying, jointing and testing XLPE HT cable in replacement , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 95 sqmm laid in trenches/ floor/ duct/ fixed on poles through GI tubing in different locations / complete all as specified and directed.

Supply and laying XLPE LT cable in replacement , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3.5 core 150 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations complete all as specified and directed.

Supply, laying, jointing and testing XLPE cable in replacement , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3.5 core 185 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations complete all as specified and directed.

Supply, laying, jointing and testing XLPE cable in replacement , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3.5 core 240 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations complete all as specified and directed.

Supply, laying, jointing and testing XLPE HT cable in replacement , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 120 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations complete all as specified and directed.

S&F in repairs including testing of swing out explusion fuse isolated assembly with fuse carrier out door type 11 KV supply 50 Amp (DO Fuse) including mounting bracket & post insulator complete all as specified and directed.

S&F in repairs transmission class type droup out fuses 11000 volts rating 25-50 amps,outdoor type complete all as specified and directed.

S&F in repairs lightening arrestors expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 11 KV complete all as specified and directed.

S&F Air break Switch insulator HT 11000 volts complete all as specified and directed.

Repairing/ Servicing the Air break isolating switch HT 11 KV 100/200 Amps by replacing the defective major spares including provn of minor bolts nuts etc complete all as specified and directed. Note :- Major spares will be measured & paid seperately under relevant item of Sch'A' (Item No 19.01 to 19.04)

Supply and fixing in repairs 11 KV Airbreak switch spares complete all as specified and directed as under :-

Male contact/moving Contact blade complete all as specified and directed.

Female contact/Fix Contact Jaw complete all as specified and directed.

MS jumper carrier complete all as specified and directed.

Back Connector plate complete all as specified and directed.

Repairing/ Servicing the Air break isolating switch HT 33 KV 100/200 Amps by replacing the defective major spares including provn of minor bolts nuts etc complete all as specified and directed. Note :- Major spare will be measured and paid seperately under relevant item of Sch'A' (Item No 21.01 to 21.05)

Supply and fixing in repairs 33 KV Airbreak switch spares complete all as specified and directed as under :-

Male contact/moving Contact Blade complete all as specified and directed.

Female contact/Fix Contact Jaw complete all as specified and directed.

Rotating contactor pipe 400 ampere complete all as specified and directed.

MS jumper carrier complete all as specified and directed.

Back Connector plate complete all as specified and directed.

S&F in repairs drop out (DO) fuse unit expulsion type outdoor three pole 200 Amp suitable for HT 33 KV, comprising of 6 Nos post insulators, GI steel base mounting frame , GI nut, bolts etc with 30A , HT barrel type fuse complete all as specified and directed.

S&F in repairs including testing, and commissioning of gang operated type air break isolating switch horizontal / vertical type type mounting complete, double break and operation rod of suitable length 400 A capacity with 09 Nos post insulators and suitable for 33 KV HT supply, complete all as specified and directed.

S&F in repairs including testing, and commissioning of gang operated type air break isolating switch horizontal / vertical type type mounting complete, double break and operation rod of suitable length 400 A capacity with 09 Nos post insulators and suitable for 11 KV HT supply, complete all as specified and directed.

S&F in repairs lightening arrestor Zinc oxide gap less type, station class suitable for 33 KV / 10 KA complete with all fittings complete all as specified and directed.

S&F in repairs single post insulator, 33 KV with mounting spindle etc. complete all as specified and directed.

S&F in repairs Pin insulator, 33 KV with mounting spindle etc. complete all as specified and directed.

S&F in repairs disc insulator, 33 KV with hardware fittings etc.complete all as specified and directed.

M&L preparation of old painted surfaces of HT 33/11 KV MRS Yard at Old Air Field consisting of Steel poles / ISMBs, cross arms, GOD pipe,clamps etc., having of any description and applying one coat of Aluminium paint complete all as specified and directed.

S&F in repairs including testing of metering & protection current transformer Oil filled out door type of 33 KV capacity ratio 100-50/5 or 200-100/5 class=5P, 10/1 15 VA including dismantling old existing CT complete all as specified and directed.

S&F in repairs cable end box heat shrinkable type jointing kit outdoor type, suitable for XLPE cable 3 core, 300 sqmm, 33 KV HT supply, complete all as specified and directed.

Dismantling old and burnt out PT unit 11000/110 volts draw out type epoxy resin cast type taking out contact with lead and bushing from the bus bar and PT, replacing by new one of same model suitable for 11 KV VCB including testing on complete all as specified and directed.

M&L cutting and trimming of tree branches of girth 25mm to 75mm to 3mtr all around of any size which is obstructing illumination of street light and touching LT / HT Over head line by using required tools and plants incl removing trimmed tree branches complete all as specified and directed.

S&F in replacement insulating rubber mat ISI marked of size 1 m x 2 m x19mm suitable for 11 KV at 33 KV MRS Old Air Field complete all as specified and directed.

Material and labour for replacement of temperature gauge suitable size for power transformer/AVR of any capacity complete all as specified and directed.

S&F in repairs bolted type LM 6 alloy aluminium rigid stud type terminal connector of type universal connector suitable for 33/11 KV type ACSR conductor / busbar complete all as specified and directed.

S&F in repairs bolted type LM 6 alloy aluminium rigid pad type terminal connector for pad to conductor suitable for 33/11 KV type ACSR conductor complete all as specified and directed.

S&F in repairs bolted type LM 6 alloy aluminium rigid parallel connector conductor to conductor suitable for 33/11 KV type ACSR conductor complete all as specified and directed.

Taking out the existing HT AVR unit 11000 volts grade (Make : Adrew Yule) carefully by dismantling all incoming & outgoing elect/ mechanical connections lifting and transport to reputed work shop by means of using suitable tools & plants, opening the body of buck booster/AVR units find out the defects and Servicing, repair/removing including replacing the defective spare parts and re-assembling complete all as specified and as directed. (De-hydration of oil/new winding will be measured and paid under relavent item of this schedule) The job involves the following :- (a) Dismantling and taking down carefully from plant room by disconnecting all electrical/mechanical connection from HT and LT side including transporting to work shop complete all as specified and directed. (b) Opening the body of the AVR/buck booster units complete, drain out the oil, lifting the cover and coil assembly, checking the serviceability state of spares such as moving carbon roller, windings, insulating oil, LT/HT elect connections, HT/LT bushings, HT/LT brass terminals, Tic & Tac connectors, chain rack, limit switch, bearings, couplings, motor, Micro processor based PCB card, CT/PT assy, Aux/Reversible contactors, Winding/Oil temp/Buchloz relays assy, earthing connections, copper strip, etc. and repair/replace the same of existing model/make and making fully serviceable state of AVR/Buck booster assy at site incl testing as per OEM specifications complete all as specified and directed. (c) Cleaning the core laminations assembly by oil complete, removing the carbon sediments/dust in the coil and core gently without making any damage to coil and core complete all as specified and directed. (d) Re-assembling all dismantled parts including provision of new gasket, nut, bolts, refilling with transformer oil and transporting back to original location including electric/mechanical connection testing and commissioning complete all as specified and directed.

Supply and fixing in repairs moving carbon rollers of existing size and make suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Tic and Tac brass connector suitable for 2000 KVA AVR Unit complete all as specified and directed.

Supply and fixing in repairs Chain rack (double) including bearing complete all as specified and directed.

Supply and fixing in repairs Limit switch suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs SS coupling suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Chain assembly suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Synchronous motor suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs PCB card suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs PT unit 11000/110 volts suitable for 2000 KVA buck booster unit complete all as specified and directed.

Supply and fixing in repairs Reversible Contactor 3 pole 800 Amps suitable for 2000 KVA AVR unit complete all as specified and directed. (Make : Yule Cat Part No PAK 600U (SPL) or equivalent

Supply and fixing in repairs winding temperature relay complete suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Oil temperature relay complete suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Buchloz relay assy complete suitable for 2000 KVA AVR unit/Transformer complete all as specified and directed.

Supply and fixing in repairs Copper strip of any size suitable for 2000 KVA AVR unit complete all as specified and directed.

Supply and fixing in repairs Connector Strip 16 way / 24 way suitable for 2000 KVA AVR Unit complete all as specified and directed.

Supply and fixing in repairs Aux contactor suitable for 2000 KVA AVR unit complete all as specified and directed.

Taking down carefully the existing 11KV/433 V distribution transformer of capacity 100 KVA to 600 KVA by disconnecting HT overhead connection/underground cables and earth strips etc. from any substation / locations using suitable capacity of crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the tranformer after repairs and testing of transformer; transportation to site and unloading including placing at given position and re-commissioning complete all as specified and directed. Note : All the T&P required for disonnection, connection, loading and loading including necessary petty items like bolts, nuts etc will be arranged by the contractor and rates for the same shall be deemed to be included in the rates quoted.

M&L for repairs toTransformer step down 11KV/0.433 KV any type of capacity 100 KVA to 250 KVA, after dismantling the transformer body carefully, opening the top cover of Transformer for inspection /repair, drain out the transformer oil from the tank complete, taking out the core and winding assy by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers , replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nuts and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing guage, insulating the winding connection by using fire proof sleeve and fire proof tape, warnishing the coil, keeping the coils in electric oven chamber for 24 hrs to remove the moisture, Painting of complete transformer body from outside and inside by weather proof type using spray gun, Marking of MES/SM Number etc, replacement of conservator tank glass, re-intalling the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated transformer oil including dehydration, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, Meggering the LT and HT side of the Transformer and testing complete all as specified and directed. Note :- Winding wire including labour for making of coils and LT/HT bushes & T OIL will be measured & paid seperately.

M&L for repairs toTransformer step down 11KV/0.433 KV any type of capacity 315 KVA to 600 KVA, after dismantling the transformer body carefully, opening the top cover of Transformer for inspection /repair, drain out the transformer oil from the tank complete, taking out the core and winding assy by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers , replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nuts and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing guage, insulating the winding connection by using fire proof sleeve and fire proof tape, warnishing the coil, keeping the coils in electric oven chamber for 24 hrs to remove the moisture, Painting of complete transformer body from outside and inside by weather proof type using spray gun, Marking of MES/SM Number etc, replacement of conservator tank glass, re-intalling the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated transformer oil including dehydration, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, Meggering the LT and HT side of the Transformer and testing complete all as specified and directed. Note :- Winding wire including labour for making of coils and LT/HT bushes & T OIL will be measured & paid seperately.

Supply and filling of fresh transformer power oil of BDV not less than 50 KV for topping up of reduced level of transformer due to evaporation/ leakage/losses due to dehydration in HT 33 KV transformer/HT 11 KV AVR /Distribution transformer 100 to 600 KVA or for replacement complete including removing of old unservicable transformer oil complete all as specified and directed.

M&L for conducting oil filtration by stream line / Vacuum type filter machine to remove the moisture/carbon particles to improve required BDV of oil 50 to 60 KV for 1 min for power transformer & as BDV of oil 40 to 50 KV for 1 min for distribution transformer incl routine testing after filtration for any capacity of transformers/AVR/CT/PT units complete all as specified and directed. Note : The contractor shall change the filter assy before starting the filtration of transformer / AVR

M&L for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for HT side of the transformer of any make and capacity from 100KVA to 300 KVA complete all as specified and directed.

M&L for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for LT side of the transformer of any make and capacity from 100KVA to 300 KVA complete all as specified and directed.

M&L for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for HT side of the transformer of any make and capacity from 315 KVA to 600 KVA complete all as specified and directed.

M&L for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for LT side of the transformer of any make and capacity from 315 KVA to 600 KVA complete all as specified and directed.

Supply and replacing silica gel breather clear view type including first filling of good quality silica gel of capacity suitable for 100 KVA to 300 KVA transformer complete all as specified and directed.

Supply and replacing silica gel breather clear view type including first filling of good quality silica gel of capacity suitable for 315 KVA to 600 KVA transformer complete all as specified and directed.

M&L for painting the outer surface of the transformer with one coat of weather proof paint after preparing the surface dust and oil free and cleaning the bushes, name plate etc paint free after painting including writing the MES/SM No with white enamelled paint all as directed for capacity of transformer 63 KVA to 300 KVA (Indoor/outdoor type) complete all as specified and directed.

M&L for painting the outer surface of the transformer with one coat of weather proof paint after preparing the surface dust and oil free and cleaning the bushes, name plate etc paint free after painting including writing the MES/SM No with white enamelled paint all as directed for capacity of transformer 300 KVA to 600 KVA (Indoor/outdoor type) complete all as specified and directed.

Supply and replacing silica gel breather clear view type including first filling of good quality silica gel of capacity suitable for 63 KVA to 600 KVA transformer and 1000 KVA to 2000 KVA transformer / AVR units complete all as specified and directed.

M&L Earthing complete with GI earth plate 60x60cmx6mm thick electrode and 32x6mm GI strip as earthing lead burried directly in ground (Earth pit not less then 2.25 metres deep below ground level) with top edge of the plate not less then 1.5 metre below normal ground level, conneceted to GI strip 32x6mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No.5 and incl earth work, PCC pit and RCC cover, watering pipe 20mm dia light grade, funnel, wire mesh, charcoal dust, 40mm dia light grade protection pipe and salt etc and connected to earthing test point and including testing on completion complete all as specified and directed.

M&L for replacement off load tap changer for distribution transformer of any make and capacity from 200-600 KVA complete all as specified and directed.

M&L for super enamelled copper conductor wire of suitable gauge and size as per requirement for rewinding the HTtransformer / HT AVR of any capacity / any make complete all as specified and directed.

M&L for replacement of bush type insulator brown in colour working pressure 433 Volts LT side complete all as specified and directed.

M&L for servicing and repairing of OLTC (ON load Tap changer) for 11 KV Transformer by disconnecting and dismantling all burnt out cables / fuses/ relays / contactors, toggle switch/knobs /indicators/reading units and other accessories repairs / replace the unserviceable items and making the OLTC serviceable condition and connecting back to its original position complete all as specified and directed.

M&L for servicing of 33 KV VCB / 11KV VCB / bus coupler by dismantling cleaning greasing the complete VCB with attached relays bus bar etc insulation testing, setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking and repairing the current circuit panel wiring, replacement of new spares as required complete including operational testing and commissioning complete all as specified and directed. Note : New spares will be measured and paid separately under relavent item of this schedule

M&L for carrying out primary & secondary injection test of 33 KV or 11 KV indoor /outdoor type current transformer (Set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition, all relay testing and proper functioning incl submitting the test report complete all as specified and directed. Note : PIT/SIT for VCB will be carried out in 6 months intervals and each primary & secondary injection test will be measured and paid.

Supply and fixing in repairs the following spares for outdoor VCB 33 KV 800 A 750 MVA fault level 36V-26/2000 & VCB 11 KV 400 A 25 KA 250MVA:-

Closing coil 24/30V DC complete all as specified and directed.

Tripping coil 24/30V DC complete all as specified and directed.

Antipumping device 24/30V DC complete all as specified and directed.

33 KV porcelain bushing for VCB Top complete all as specified and directed.

33 KV porcelain bushing for VCB bottom complete all as specified and directed.

Connector strip 16 way complete all as specified and directed.

Earth Fault and over current relay of L&T Model No MC61A 24-110V complete all as specified and directed.

Digital type power factor indicator meter complete all as specified and directed.

Digital type Voltmeter / Ammeter 96 x 96 mm size complete all as specified and directed.

LED type indicator lamp assembly complete all as specified and directed.

Vacuum Interrupter for indoor VCB complete all as specified and directed.

Spout incoming side complete all as specified and directed.

Spout outgoing side complete all as specified and directed.

Epoxy insulators bushings for incoming / out going cables / bus bar suppors as per existng size of VCBs complete all as specified and directed.

Insulated Copper bus bar of existing size and thickness for VCBs complete all as specified and directed.

Gear system assy complete with handle for charging / discharging of VCBs complete all as specified and directed.

Spring charging motor for VCBs complete all as specified and directed.

Supply only Tinned copper fusse wire SWG No.001, 11 KV grade having fire resistant copper wire mixed with silver coated fuse wire of capacity 2.5 to,5 Amps in 250 metre roll complete all as specified and directed.

Supply only Tinned copper fusse wire SWG No.001, 11 KV grade having fire resistant copper wire mixed with silver coated fuse wire of capacity 5 to 10 Amps in 250 metre roll complete all as specified and directed.

Supply only Tinned copper fusse wire SWG No.001, 11 KV grade having fire resistant copper wire mixed with silver coated fuse wire of capacity 20 to 25 Amps in 250 metre roll complete all as specified and directed.

Supply only Tinned copper fusse wire SWG No.001, 33 KV grade having fire resistant copper wire mixed with silver coated fuse wire of capacity 50 to 60 Amps in 500 metre roll complete all as specified and directed.

Excavation in trenches not exc 1.5 M wide and not exc 1.5 M in depth and getting out in any type of soil or hard/dense soil for taking up or laying of cable, pipes etc complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cms complete all as specified and directed.

Removal of surplus soil not exceed to a distance not exceeding 50M and depositing where directed at a level not exceeding 1.5M above the starting point complete all as specified and directed.

Supply and laying dry river sand laid in trenches as cable cushioning and covering complete all as specified and directed. Note : Punned thickness only measured and paid

M&L brick well burnt locally available sub class 'B' laid over sand cushioning to cable in trenches keeping width of brick parallel to the length of cable complete all as specified and directed.

S&F in trenches/ on wall in repairs GI tubing light grade for road crossing and cable protection of size 80mm dia complete all as specified and directed.

S&F in trenches/ on wall in repairs GI tubing light grade for road crossing and cable protection of size 100mm dia complete all as specified and directed.

M&L PCC 1:4:8 type D-2 using (40mm graded crushed stone aggregate) including use and waste of form work of concrete for pole and stay foundation complete all as specified and directed.

M&L for PCC 1:3:6 type C-1 using (20mm graded crushed stone aggregate) including use and waste of form work for coping complete all as specified and directed.

M&L for graded coarse aggregate, broken stone or boulders of size 40mm in sub - station yard for laying complete all as specified and directed.

M&L for PCC 1:2:4 type B1 (using 20mm graded crushed stone aggregate) including use and waste of form work for pole coping or benching any other description complete all as specified and directed.

Notes :- An amount of Rs. 363733.75.00 on account of Credit Schedule for Schedule 'A' Part-II shall be deducted from total quoted amount of BOQ to arrive at the contract sum.

M/s Nasir Rasool Dar (BID ID -3514351)

M/S RATHER CONSTRUCTION CO (BID ID -3516250)

M/S Noor Mohammad Shalla (BID ID -3510382)

CHINAR CONSTRUCTION TRADERS (BID ID -3508926)