CWE/P-57/2019-20

Amount

Inspection of defective step down 11 KV / 0.433 upto 500 KVA transformer any make, plinth/floor/pole mounted, indoor/outdoor type, strip opening, removing the top cover of transformer, detecting the fault, rectfying the defect at site(Basoli, Janglote & Madhopur) except major fault of unsv of winding or other all as per direction of Engr-in Charge. The following tasks if required will be performed :- (a) Strip opening of the transformer and removing the transformer top cover for checking/rectifying the faults of the transformer. (b) Replacement of defective HT/LT bushes, brass spindles etc. (c) Refixing the transformer top cover with nuts, bolts and washers. (d) Testing of transformer Complete. Note : (i) In case of replacement of LV / HV bushing / spindles / tap changer etc, will be measured and paid for separately under relevant items of Sch A/BOQ (ii) Transformer oil (if required) for topping will measured and paid for separately under relevant item of Sch A/BOQ. (iii) Cost of hiring T&P , megger or any other instrument required at site deemed to be included in the cost of repair .

Inspection of defective step down 11 KV / 0.433 upto 500 KVA transformer any make, plinth/floor/pole mounted, indoor/outdoor type, (Basoli, Madhopur & janglote), lifting, transporting, handling, the transformer to authorised work shop for carrying out the repair to transformer, detecting the fault, strip opening of the transformer, rectfying the defect except major fault of burnt winding or other & carrying out of the followings works, required and transporting back to original site & re-fixing :- (a) Taking out the transformer oil from transformer into seperate container barrel. (b) Taking out the core / coil assembly of transformer. (c) Cleaning of transformer inside by used transformer oil. (d) Re-fixing the core/coil in transformer including heating up of transformer core assembly to remove moisture after carrying out the repair as required including filteration /dehydration of oil to remove moisture and suspended dust particles . (e) Replacement the rubber gasket set for top cover, spindles, HT / LT bushing etc. as required (f) Refilling of the removed transformer oil after filteration for removal of moisture.

(g) Re-fixing of the transformer top cover with nuts, bolts and washers (h) Testing of transformer Complete. Note : (i) Replacement of LV / HV bushes / spindles / rewinding of HV / LV coils (replacement or reconditioning ) / tap changer/insulators etc will be measured and paid for separately under relevant items of BOQ. (ii) Top up / replacement of transformer oil (if required) will be measured and paid for separately under respective item of BOQ. (iii) Cost of hiring T&P , megger or any other instrument required at site deemed to be included in the cost of repair .

Repairs / reconditioning of LV leg coil aluminium / copper for transformer of capacity upto 500 KVA to be done only in case where only insulation is damaged and conductor strip is intact i.e. not deformed. This work will involve valve all turns of leg coil to be reconditioned removing complete insulation from conductor strip, cleaning of conductor, wrapping of conductor with fresh DPC insulation and remaking of LV leg coils with reconditioned strip for use in transformer under repairs complete all as directed.

Repairs / reconditioning of HV leg strip aluminium / copper for transformer of capacity upto 500 KVA including insulation, varnishing by vaccum impregnation and backing of coil assembly complete all as specified and directed by Engineer-in-Charge.

Supply only LV leg strip of aluminum conductor for transformer of capacity upto 500 KVA complete with insulation, varnishing by vaccum impregnation and baking of LV leg strip assembly to match with the existing etc. complete all as specified and directed.

Supply only LV leg strip of copper conductor for transformer of capacity up to 500 KVA complete with insulation, varnishing by vaccum impregnation and baking of strip assembly to match with the existing etc complete all as specified and directed.

Supply only HV leg coil of aluminum conductor for transformer of capacity up to 500 KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly to match with the existing complete all as specified and directed.

Supply only HV leg coil of copper conductor for transformer of capacity up to 500 KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly to match with the existing original winding coils, etc complete all as specified and directed.

Supply only HT 11 KV brass spindle, threaded with washers, nuts,lock nut and rubber seal suitable for transformers of any make /Type rating from 50 KVA to 63 KVA all as specified and directed.

Supply only HT 11 KV brass spindle, threaded with washers, nuts,lock nut and rubber seal suitable for transformers of any make /Type rating from 100 KVA to160 KVA all as specified and directed.

Supply only HT 11 KV brass spindle, threaded with washers, nuts,lock nut and rubber seal suitable for transformers of any make /Type rating from 200 KVA to 250 KVA all as specified and directed.

Supply only HT 11 KV brass spindle, threaded with washers, nuts,lock nut and rubber seal suitable for transformers of any make /Type rating from 300 KVA to 400 KVA all as specified and directed.

Supply only LV bushing 0.433 / 0.415 KV for transformer 50 to 63 KVA complete set all as specified and directed.

Supply only LV bushing 0.433 / 0.415 KV for transformer 100 to 160 KVA complete set all as specified and directed.

Supply only LV bushing 0.433 / 0.415 KV for transformer 200 to 250 KVA complete set all as specified and directed.

Supply only LV bushing 0.433 / 0.415 KV for transformer 300 to 400 KVA complete set all as specified and directed.

Supply and topping up of transformer oil with di-electric strength not less than 50 KV in to the conservator tank/ body tank of the transformer/ OCB/ FRMUs etc at various locations complete all as directed by the Engineer-in-Charge. Note : (i) Test certificate from manufacturer of oil shall be provided by the contractor. (ii) Supply shall be given in sealed containers and empty containers shall be Govt Property.

Filtration of transformer oil of transformers/ FRMUs installed at various locations to achieve di-electric strength not less than 45 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

Supply and replacement of temperature gauge circular dia type of standard size and suitable for indoor/outdoor type transformer of 63 KVA to 500 KVA capacity all as specified and directed.

Supply and replacement of breather assembly duly filled with silica gel of transformer complete all as specified and as directed.

Supply and filling of silica gel in to the existing breather assembly of transformer as directed.

M & L for replacement of the transformer tap changing switch gear mechanism for varying HT voltage in steps for transformer capacity from 63 KVA to 500 KVA complete all as directed.

M & L Painting to the transformer of any capacity 63 KVA to 160 KVA complete with synthetic enamel paint as existing earlier by spray painting including filling cavities with filler one coat after removing old paint and cleaning all dust etc and marking SM/MES No on the transformer at both site complete all as specified and directed.

All as per Ser item No 23 her-in-before but 250 - 500 KVA complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 type B1 (using 20 mm graded crushed stone aggregate) of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009. Note :- All joints either strip to strip of strip to earth plate are fixed with welded joints.

S & F in replacement of GI strip of size 32 x 6mm from test point to transformer or other places complete all as specified and directed.

S & F in replacement of gun metal gate valve (ISI marked) upto 40mm for drainout of transofrmer oil at the bottom of the container of transformer complete all as specified and directed.

S & F in replacement Gasket sets for transformer tank 50 KVA to 160 KVA capacity with nuts, bolts etc complete all as directed.

S & F Gasket sets for transformer tank 250 KVA to 500 KVA capacity with nuts, bolts etc complete all as directed.

Shifting of HT panel from one room to adjacent room including Tansportation & labour, including of HT cables from GOD to HT panel andPanel to transformer/ Distribution system with in the power house. T&P required for shifting in campus complete including disconnecting the cable/ connections and connecting the cable at new shifted site complete all as directed. The rates quoted are deemed to be included for disconnecting and connecting of connections any type and T&P required & no extra amout be paid on this account.

S & F in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 200/100/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed Make - as per OEM HT panel manufacturers.

S & F in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed Make - as per OEM HT panel manufacturers.

S & F in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 50/25 /5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed Make - as per OEM HT panel manufacturers.

S & F in replacement & testing and commissioning Indication lamps DC 24 volts with showing red, yellow and green in colour of 22.5mm dia to monitor on HT panel board suitable for 11KV HT VCB panel supply complete all ,as specified and directed.

S & F in replacement &testing and commissioning Indication lamps AC 220 volts with showing red, yellow and green in colour of 22.5mm dia to monitor on HT panel board suitable for 11KV HT VCB panel supply complete all ,as specified and directed.

S & F in replacement & testing and commissioning Vacuum interrupter for R/Y/B phase for VCB of cap 630/800 Amp complete all as specified, as per OEM HT panel manufacturer.

S & F in replacement & testing and commissioning Isolating contact for R/Y/B phase for VCB of cap 630/800 Amp complete all as specified, as per OEM HT panel manufacturer.

S & F in replacement &testing and commissioning Maintenance free dry batteries of 2V, 100 AH electrically connected to each other battery to VCB and power pack as required at site and directed.

M & L for Elastomer Insulating Mats for Electrical Purposes Class A/voltage grade upto 3.3 KV (AC) as per IS : 15652:2006 with ISI mark of thickness 3.00 mm+ 10% of approx width 1 mtr along with suitable adhesive /chemibound resin waterproofing compound and sealing material all as per manufacturers' recommendations. Make: Electromat or equivalent approved by GE

S & F in replacement &testing and commissioning 80W ,230 V AC single phase rated strip heater with switch and thermostat for space heating complete all as specified and directed

Taking down the existing unsv HT panel controls relay any type and S & F including testing and commissioning of numerical relay microporcesser base Model CAG-14 of CG, ABB SPAJ14PC, GE P-642 retrofit to the existing Panels and programming the relays to overlaod and earthfault setting with respect to the setting of HT Panel issued at PSPCL 11 KV Sub Station al as specified and directed.

Material and labour for old painted surface of steel by brushing / cleaning of stain of grease , spots with thinner and applying a coat of epoxy painting on outer face of HT panel to match with the original based colour all as specified complete in all respect and directed by the Engr in Charge Note :- Cost of Marking of SM Nos/ MES Nos, in coming / out going feeder location wise shall be deemed to included in rate quoted by the contractor.

Servicing /Repair to HT Pannel of make Alstom/ areva/kirloskar having vaccum circuit breaker 11 KV rating of capacity 250MVA and current rating upto 630 Amp by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum intrupter if gap exceeds the permissible limits, readjust as recommended. (d) Cleaing the main contacts to remove carbon or any other unwanted particals if visible. (e) Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair and replacement of all minor ac/dc electrical wiring for electrical/ mannual operation of HT panel loading and all others function based on the ac/dc operation of HT panel etc complete in all respect as specified (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended. (h) Recording IR Values of CTs and PTs (j) Cleaning of bus bar spout.

(k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. Note :- (i) The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM.

Servicing /Repair to HT Pannel of make Alstom/ areva/ having vaccum circuit breaker 11 KV rating of capacity 250MVA and current rating upto 630 Amp by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum intrupter if gap exceeds the permissible limits, readjust as recommended. (d) Cleaing the main contacts to remove carbon or any other unwanted particals if visible. (e) Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair and replacement of complete ac/dc electrical wiring for electrical/ mannual operationof HT panel loading measuring IR values. (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended. (h) Recording IR Values of CTs and PTs (j) Cleaning of bus bar spout.

(k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. (l) Replacement of all DC supply wiring with proper coding nos for complete control of Indicators ,numerical relays of HT panel. Note :- The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor. (ii) The servicing will be carried as per norms of OEM.

Repair to HT Pannel of make kirloskar having vaccum circuit breaker 11 KV rating of capacity 250MVA and current rating upto 630 Amp by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below :- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum intrupter if gap exceeds the permissible limits, readjust as recommended. (d) Cleaing the main contacts to remove carbon or any other unwanted particals if visible. (e) Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair /replacement of complete ac electrical wiring for electrical/ mannual operationof HT panel loading measuring IR values. (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended. (h) Recording IR Values of CTs and PTs (j) Cleaning of bus bar spout.

(k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. (l) Replacement of complete DC supply wiring with proper coding nos for complete control of Indicators ,numerical relays and all others function based on the DC operation of HT panel etc complete in all respect as specified. Note :- The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM.

S & F in replacement & testing and commissioning of power factor meter of multifunction suitable for HT VCB panel flush pattern square type 96mm x 96mm with adopter including wiring complete all as specified and directed.

Strip Opening the busbar of the HT VCB panel , removing the old teared/ unsv insulation from the bus bar checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleeve suitable for 11 kv busbar not less than 3mm thick having dielectric strength not less than 15kv/mm and HT insulation tapefor CT/ PT connection complete with a certificate from NABL lab. and checking the IR value before testing and commissioning the bus bar all as specified . Note :- Test sheet of IR value shall be submitted by the contractor no cost extra shall be paid by the department and all testing requirement shall be fulfilled by the contractor.

S & F in replacement & testing and commissioning tripping coil operated by ac or dc supply complete with electric copper wire of suitable all as specified and directed

S & F in replacement & testing and commissioning closing coil operated by ac or dc supply complete with electric copper wire of suitable all as specified and directed

S & F in replacement bakelite kitkat complete with HRC fuse 2-20 amps of suitable suitable for HT panel blaclor grey in colour including necessary nuts for fixing in position all as specified and directed

Repair to the battery charger including supply and fixing of unsv parts of the charger including replacement of step down copper wound transformer (having capacity to charge the battery bank of 2voltx12cell ,100 AH,operated on in put voltage 230 volt 50c/s single phase) with the provision of automatic cutoff system ,DC amp meter, Volt meter, indication for charging / over charging,mcb controll, battery voltage indication volt meter controll by toggle switch, suitable capacity of MCB SPN and including rusted part of sheet cabniet complete with appropriate size of copper cable all as specified and directed

Supply, laying, commissioning and testing of XLPE insulated, seceened, PVC bedded, galvanised steel strip or wire armoured heavy duty electric power cable with aluminium conductor, suitable for 11000 volts grade (earthed), cross-sectional area 120 sqmm 3 core complete all as specified and directed.

S&F DWC high density polyethelene pipes having dia 120x103 mm, inner as per site requirement having corrugation on the wall and plain surface on the inner wall conforming to IS: 14930(Part I & II) for protection of underground cable laid along pole/along wall/in PCC on GL/roof and including all fittings as required at site complete all as specified and directed.

M&L for Cable end jointing kit for 11 KV (earthed) grade cable for out door type termination heat shrinkable type joint complete with all jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sq mm complete , all as specified and directed

Excavation in trenches in soft/loose soil n.exc. 1.5 metre wide and n. exc. 1.5 metre in depth and getting out for laying of cables all as specified and directed

Removal of excavated material (soil) to a distance not exc 50m and depositing where directed at a level not exceeding 1.5 metre above starting point complete all as specified and directed

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

M & L for construction of platform of size 3000X 2500 x 1200 mm for transformer with PCC (1:4:8) in foundation and PCC 1:2:4 type B1, 100 mm thickness at top portion of platform , brick work with cement mortar (1:4) and complete plaster work of 15 mm thick to exposed surface in CM (1:4) including necessary MS work ( i.e. MS jali/fencing/MS angle ) on the top of platform around transformer up to height 90 cm and one coat of white wash on plastered surface complete all as shown on drawing No CEPZ/C-TD/002/13Sheet no. 2/5 Dt 11.09.2013 and all as specified .

Shifting of transformer upto 500 KVA as per site requirement from 2/ 4 pole structure to plateform or plateform to 2/4 pole structure including transportation & labour, T&P required for shifting of the transformer within the cantonment campus complete including disconnecting the cable/ connections and connecting the cable at new shifted site complete all as directed. The rates quoted are deemed to be included for disconnecting and connecting of connections any type and T&P required & no extra amout be paid on this account.

Notes : The Schedule of Credit amount shall be deducted from the total of this schedule(BoQ) to arrive at Contract Sum.

Standard engineers

SHUSHANT ASSOCIATES