REPAIR/MAINT OF HT CONTROL GEAR, VCB, RMU, TRANSFORMER, HT UG CABLE AND ALLIED WORK FOR EXTERNAL ELECTRIC SUPPLY AT AIR FORCE STN UNDER GE (AF) GURGAON NO.1

Amount

M&L for rewinding of HT/LT coils of transformer of capacity 25 KVA to 500 KVA, (11KV/433V) with super enamelled copper winding wire of existing gauge and existing number of turns alongwith insulating material i.e leatheroid, paper insulation, cotton tapes, empire tapes, wooden block packings, PVC sleeves, soldering and varnishing with insulating varnish , heating/drying etc including replacement of top cover gasket made out of sheet 4 mm thick including leak proofing by shalak solution complete all as specified and directed. Note :- (i) Transformer rewinding will be done at workshop of approved manufacturer available in CE zone list . (ii) Transformer will be inspected by 'Rep of HQ CWE(AF) TKD before and after repair. (iii) During taking down/repair of u/s transformer, contractor shall arrange the transformer of the same rating inplace of existing one so that power supply is constantly supplied to the user and for that no extra cost will be paid to the contractor.

Taking down/dismantling from foundation base and refixing back to the site after repair of any capacity of transformer by using suitable crane complete and including tranportation shifting to approved manufacturer/Workshop including testing and commissioning all as directed. (Note- Dismantling and fixing after rewinding and Transportation from 54 ASP to Workshop and workshop to 54 ASP will be paid as one job)

Replacement of breather assembly of approved make filled with silica gel sealed packing of silica get to brougt at site for fixing of breather assembled at site suitable for transformers of following capacity

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

Replacement of brass spindle for terminal on HT side threaded complete with nut, washers etc of suitable dia for transformers of following capaicty :-

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

All as per item No 4 here-in-before but for LT side of transformers of following capacity :-

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

Replacement of ceramic bushing and Gasket on LT side of transformers of following capacities. Make : Mysore Potteries/BHEL

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

All as per item No 6 above, but on HT side of transformer of following capacites :-

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

Replacement of arc horn surge arrester complete with mounting ring, nut bolt etc complete of approved make suitable for transformers of following capacity :-

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

Dehydration/filtration of transformer oil by means of centrifugal filtration plant to achieve the specified dielectric strength of 40 KV at 2.5 mm gap as per IS-355 in existing position by means of suitable dehydrating mechanism of transformer of any capacity and transformer oil for topping up at various sub station complete all specified and as directed. NOTE: Transformer oil for TOP UP shall be measured and paid separately under respective item of this schedule.

Supply only transformer oil of approved quality (Dielectric strength not less than 50 KV) ISI marked for filling in transformer for topping up all as directed . . Note- The transformer oil will be brought at site in sealed container at the time of filling/Topup.

M&L for painting of transformer with MES approved colour scheme after cleaning the body surface of transformer after preparation of old painted surface by rubbing with emery Paper to remove oil stains, dust etc and applying one coat of snthetic enamel paint by spray paint incl writing SM No/MES No , capacity of transformers of following capacity all as directed. Note- The contractor has to arrange their own local generator for supply to the spray painting machine.

25 KVA to 100 KVA

150 KVA to 300 KVA

320 KVA to 400 KVA

M&L boring of hole for laying of cable by trenchless technology under the road, path, culvert etc including HDPE/PPR pipe 150 mm bore as a cover to protect cable .

Supply, laying, jointing and testing in replacement of HT XLPE insulated ,screened,PVC bedded galvanised steel strip or wire armoured ,electric power cables(heavy duty) with aluminium conductor,11000 volts(earthed) , grade cross sectional area 95 sqmm 3 core for working voltage upto 11000 Volts, including cable lugs for providing connections as in repair complete all as specified and as directed.

Excavation in trenches n.exc 1.5 mtr wide and n. exc 1.5 mtr in depth and getting out in soft/ loose for laying cables, erection of poles complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and as directed.

Removing surplus excavated soil nexc 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point complete all as specified and as directed.

M&L for Sand cushioning/sand covering including well ramming for underground cable protection complete all as specified and as directed .

Supply and laying reinforced precast concrete cable cover, class HV,type 1,flat ,size 300 mm X 180mm X 40 mm of approved make complete all as specified and as directed.

Supply and fixing in replacement of cable route indicator for HT UG Cable of 11000 Volts 80 mm dia CI Plate marked on HT cable bolted with 40 x 5 mm flat iron member of height 0.9 mtr, embedded in PCC 1 : 3 : 6 type C2 of size 20 x 20 x 30 cm block complete all as specified and directed.

M&L in replacement for GI pipe light grade of size 80mm dia.for laying in trenches/ under floor/on walls for protection of UG cables complete all as specified and directed .

Taking out old U/S damaged parts from VCB / SF6 CB including replacement of unserviceable with new parts and servicing , greasing ,testing ,relay testing ,calibration, control wire checking etc complete all as specified and directed. Note:- New parts shall be measured paid seperately except heater of VCB under relevant items of this schedule. This item includes heater of VCB.

Supply only spring charging mechanism unit assembly suitable for 11 KV VCB complete. Make Crompton Graves,code No 558/SP, ABB, Siemens of equivalent model.

Supply only Tripping Coil, suitable for VCB 11 KV. Make: Crompton Greaves, Code No.-MISC VCBPS, Equivalent model of ABB, Siemens.

Supply only Closing coil, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-MISC VCBPS, Equivalent model of ABB, Siemens.

Supply only Auxiliary switch, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-33P024, Equivalent model of ABB, Siemens.

Supply only Trip catch with all linkage assemblies, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-626/SP, Equivalent model of ABB, Siemens.

Supply only fixed resin type PT complete for VCB 11 KV, Make: Crompton Greaves, Code No.-MISC VCBSP, Equivalent model of ABB, Siemens.

Supply only PT Fuse for VCB 11 KV, Make: Crompton Greaves, Code No.-MISC VCBSP ,Equivalent model of ABB, Siemens.

Supply only Small gear assembly with motor shaft, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-11P009, Equivalent model of ABB, Siemens.

Supply only Sigmantal gear, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-MISC VCB SP, Equivalent model of ABB, Siemens.

Supply only Big cam with main shaft with baring & cover, suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-568/SP1, Equivalent model of ABB, Siemens.

Supply only Meghavin spout suitable for VCB 11 KV, Make: Crompton Greaves, ABB, Siemen.

Supply only Motor charged mechanasim assembly including close/trip coils and charging handle suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-541/SP1, Equivalent model of ABB, Siemens.

Supply only Motor & gear assembly 110 Volt UMG 14 Type suitable for VCB 11 KV, Make: Crompton Greaves, Code No.-536/Sp, Equivalent model of ABB, Siemens.

Taking out old un searviceable, wear, tear and damaged parts from Ring Main Unit and to be deposited at E/M store yard and replaced with new parts including servicing complete all as specified and directed. . Note- New parts shall be paid under relevant items of this schedule.

Supply only Contactor RT - 24VDC, suitable for RMU 11 KV, Make: ABB Ltd, Cat No.-NHSN710013P11, Equivalent model of Crompton, Siemens.

Supply only Close Push button, suitable for RMU 11 KV, Make: ABB Ltd, Cat No.-1SFA616199R1106,Equivalent model of Crompton, Siemens.

Supply only Open push button, suitable for RMU 11 KV, Make: ABB Ltd, Cat No.-1SFA616199R1104, Equivalent model of Crompton, Siemens.

Supply only Operating handle Standard, suitable for RMU 11 KV, Make: ABB Ltd, Cat No.-1VDP000443R1, Equivalent model of Crompton, Siemens.

M&L for replacement of gang opearted air-break, triple pole of load switch with dropout fuse set with 15 insulator, mounted on channels outdoor, vertical mounting type HT 11 KV , 50 Hz o rating 200 Amps, ISI marked, mechanically operated, mounted on insulators and frame work with operating mechanism worked from ground level with adequate length of GI pipe 32 mm dia medium grade and locking arrangements including Godrej (Navtal) 65 mm pad locks with two keys, complete with fuse carriers and HT fuse element havfng 10 Amp rating suitable and including necessary electric connections complete all as speciied and as directed..

M&L in replacement of cable jointing kit of 11 KV (E) grade cable for indoor end termination cold shrinkable type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 3 core 95 sqmm complete all as specifiedand as directed. Note : Cost of necessary excavation and earth work (by suitable machine or manual which suits), labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location shall be deemed to include in quoted rates) :- Note- This item also includes charges for exacavation in concrete/pitched road (by hydra) in case fault occurs in the cable below not exceeding 5 metre of depth and 5 metre x 3 metre length and width under the road.

M&L in replacement cable jointing kit of 11 KV (E) grade cable for outdoor end termination cold shrinkable type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 3 core 95 sqmm complete all as specifiedand as directed.Note : Cost of necessary excavation and earth work (by hydra machine or manual which suits), labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location shall be deemed to include in quoted rates) :- Note- This item also includes charges for exacavation in concrete/pitched road (by hydra) in case fault occurs in the cable below not exceeding 5 metre of depth and 5 metre x 3 metre length and width under the road.

M&L in replacement cable jointing kit of 11 KV (E) grade cable for straight through cold shrinkable type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 3 core 95 sqmm complete all as specifiedand as directed. Note : Cost of necessary excavation and earth work (by hydra machine or manual which suits), labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location shall be deemed to include in quoted rates). Note- This item also includes charges for exacavation in concrete/pitched road (by hydra) in case fault occurs in the cable below not exceeding 5 metre of depth under the road.

M&L in replacement cable jointing kit of 11 KV (E) grade cable for straight through cold shrinkable type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 3 core 120 sqmm complete all as specifiedand as directed. Note : Cost of necessary excavation and earth work (by hydra machine or manual which suits), labour, Jointing kit complete, fixing charges & T&P including removing of grass/shrubs nearby the fault location shall be deemed to include in quoted rates). Note- This item also includes charges for exacavation in concrete/pitched road (by hydra) in case fault occurs in the cable below not exceeding 5 metre of depth under the road.

Locating of fault in existing HT 11 KV 3 core 95/120 sqmm XLPE 11 KV(E) under ground cable by means of hiring fault locating machine mounted on 4 wheeler vehicle to locate fault in Defence/Civil area approximately 1.0 to 5.0 KM range by deploying skilled supervisior and labour for the purpose complete with all T&P & labour to find fault as per direction of Engr-in-charge. Note-(1) The area of this contract is very critical for safety reason so as to contractor has to arrange 24X7 hours fault locating machine and jointing kit when fault occurs and when denied or delayed beyond 12 hours of occurance of fault/ in time requirement by the contractor, double of quoted rate as panelty will be imposed .

Dismantling of Old/damaged HT Electric Pole any size, including removal of unwanted material from site and transport to E/M store and removal of old PCC plinth and making good surface complete as directed.

M&L in replacement of U/S steel tubular swaged poles complete with cast iron base plate , finial taper plug,bolts,nuts and screws as specified type 410 SP-55 , 11 Mtr complete all as per specified and directed.

M&L for dismantling of upper cover of servo Voltage stabilizer of capacity 200/300 KVA after disconnecting electrical connection for overall servicing , cleaning of dust and replacement of complete old wiring with FRLS PVC insulated copper conductor of existing size in proper layout and tight with tie including replacement of any unserviceable parts i.e main transformers and dimmerstat (Variac) three phase , servo moter , electronic card, carbon bush or any other parts complete including testing, all as specified and directed . Note :- Replacement of any unserviceable parts will be measured and paid separatly under relevant items except replacement of old wiring which are deemed to be included in the quoted rate.

M&L for dismantling of upper cover of servo Voltage stabilizer of capacity 500/600 KVA after disconnecting electrical connection for overall servicing , cleaning of dust and replacement of complete old wiring with FRLS PVC insulated copper conductor of existing size in proper layout and tight with tie including replacement of any unserviceable parts i.e main transformers and dimmerstat (Variac) three phase , electronic card, servo moter , carbon bush or any other parts complete including testing, all as specified and directed . Note : Replacement of any unserviceable parts will be measured and paid separatly under relevant items except replacement of old wiring which are deemed to be included in the quoted rate

Supply only Main Transformer of suitable size upto the capacity of upto 200/300 KVA stabilizer complete all as specified and as directed.Make Vintec electronic/volina

Supply only Main Transformer of suitable size upto the capacity of upto 500/600 KVA stabilizer complete all as specified and as directed. Make Vintec electronic/volina

Supply only Carbon bush of suitable size upto the capacity of upto 200 KVA stabilizer complete all as specified and as directed.Make Vintec electronic/volina

Supply only indicators of RYB of suitable size upto the capacity of upto 200 KVA voltage stabilizer complete all as specified and as directed . Make Vintec electronic/volina

Supply and fixing MS chequred sheet made to shape for duct cover thickness not less than 5mm as directed .

M&L for replacement of U/S DC Power pack with battery back up complete enclosed in a sheet metal enclosures size not less than 2mm thick duly compartmentalize for batteries charging system and control system with LED indicator lamps and toggle switch and push button ON/OFF system for charging, discharging etc as per requirement , front openable and lockable with proper ventilation as per latest IS, including supply of 01 No of 24 volt DC 100 AH duly banked with 2 volt LED acid maintenance free battries including float and trickle battery charging system suitable for input single phase 220 volt/3 phase 440 volt 50 Hz AC supply including all electrical and control connection upto existing socket for charging and DC Supply to the existing VCBs upto 2 Nos. The connection of incomming and outgoing battery bank to VCBs willl be made by stranded copper conductor size not less than 2.5 sqmm for each core in case of multi core cable or single core cable PVC insulated unsheathed cable duly drawn into medium grade PVC conduit on floor/wall complete all as specified and as directed .

M&L for replacement of danger notice plate of 1.6 mm thick mild steel sheet ,vitreous enamelled white with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nut of approved size,for HT ,25 X 20 cm size complete all as specified and as directed.

M&L for replacement of Off load tap changer of Transformer Rating from 75 KVA to 500 KVA as per the existing make of transformer.

Testing and calibration for VCB testing for proper tripping and making contact in case of fault. Note- The test should be done by authorised dealer of VCB. The contractor should arraange the tool required to test and calibration the VCB.

Testing and calibration for SF6 CB testing for proper tripping and making contact in case of fault. This item includes all routine test of SF6 CB for proper tripping in case of fault and tripping time should be set lesser than our incoming end VCB. All control wiring of SF6 CB should be cleaned and serviced and change the unserviceable part as per directed by Engr-in-Charge. The u/s item will be paid sepeartely. Note- The test should be done by authorised dealer of SF6. The contractor should arraange the tool required to test and calibration the VCB.

Taking down U/S cable 95 sqmm 3 core cable from trenches.

M&L for drilling hole under hard standing /road in different location as per site requirement (between 03 mtr to 12mtr maximum) for laying of pipe for protection of cable etc by means of mannual bookle and without disturbing the top surface and making good the disturbed surface if any complete as sepecified and directed.

M&L for cement concrete (1:2:4) type B-2 using 40mm graded stone aggregate for foundation of stay assembly/ struts/pole/ panel/ PTH/ etc.

Schedule of Credit

shiv shanker enterprises

A B K Enterprises