CA NO. CWE BLY / GE(W) /40 OF 2022-23 REPAIR/MAINT OF 33 KV MRS DISTRIBUTION TRANSFORMER AND ITS CONNECTED WORK OF WEST AREA UNDER GE(W) BAREILLY

Amount

Maintenance of 33 KV indoor control and relay panel of 33 KV by checking wiring from outdoor VCB to indoor control panel, tightening of loose connections, U/S indicator with holder, thimble, replacement of unserviceable wiring/part including testing, calibration and checking of tripping system of 33 KV control panel through all protective relays installed on each C&R panel including testing and adjust/ repair the alarm circuit as per time current characteristics by primary injection test at 60%, 75%, 100% plug including well cleaning and decarburizing of relay contacts complete all as specified and directed.

Overhauling and servicing of 33 KV VCB including repair and setting of operating mechanism parts, spring charging material mechanism, well cleaning with petrol and CRC-226 and replacing unserviceable parts/ accessories, oiling/ greasing of moving parts, dismantling, checking and well cleaning of pole insulator, checking of vacuum, interrupters well cleaning mechanism links fiber reinforced plastic frame around the vacuum interrupters including routine and periodical test complete all as specified and directed. Note:- Spare parts required to make VCB functional replaced with SCADA compatible parts/ accessories will be measured and paid separately under respective items.

Supply only control motor as existing SCADA compatible in replacement of 33 KV, VCB type 036,1.3 A,220/ 260 V O/PO, 1 KWM/Y06/08,350/Min Manufactured by KPT SHIROL, Dist-KOLHAPUR complete all as specified and directed.

Supply only Spring charging gears as per existing type and Make complete all as specified and directed.

Supply only Integrated LED pilot lamp suitable for operating at 24 and also 110V (AC/DC) Red color as per existing complete all as specified and directed.

Supply only Integrated LED pilot lamp suitable for operating at 24 and also 110V (AC/DC) yellow colour as per existing complete all as specified and directed.

Supply only Integrated LED pilot lamp suitable for operating at 24 and also 110V (AC/DC) blue colour as per existing complete all as specified and directed.

Supply only Integrated LED pilot lamp suitable for operating at 24 and also 110V (AC/DC) green colour as per existing complete all as specified and directed.

Supply only Integrated LED pilot lamp suitable for operating at 24 and also 110V (AC/DC) white colour as per existing complete all as specified and directed.

Supply only Auxiliary relay for buchholz relay, oil temp, winding temp trip 24/110V DC as per existing complete all as specified and directed.

Supply only Master relay 24/110VDC as per existing complete all as specified and directed.

Supply only Multi Function Meter complete all as specified and directed.

Supply only TNC switch as per existing complete all as specified and directed.

Supply only Remote local switch as per existing complete all as specified and directed.

Supply only Control Relay of model CGI 14 C , 50/24 Volt DC in control panel including wiring complete all as specified and directed

Supply, installation, testing and commissioning of 33 KV, outdoor PT, Oil cooled 33KV/110 Volt complete all as specified and directed.

Supply, installation, testing and commissioning of 33 KV outdoor CT oil cooled 200/100/5+5 complete all as specified and directed.

Material and labour for Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of 33 KV outdoor brakers with spraying machine including writing description of equipment in block English letter 50 mm high with white /black synthetic enamel paint complete all as specified and directed.

Material and labour for Preparation of old painted surfaces of 33 KV Switch yard including all outer steel structures/ frame/gate of bus bay at Grid, steel housing by brushing/cleaning stains, greasy spots with thinner, applying two coats of spray painting ( aluminium paint) with spraying machine in the yard including writing description of equipments in block English letters 100 mm high with white/black synthetic enamel paint complete all as specified and directed.

Material and labour for supply, Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of 33 KV 05 MVA transformer and its accessories with spraying machine in the yard including writing description of equipment in block English letter 50 mm high with white/Black synthetic enamel paint and re-connection after painting complete all as specified and directed.

Material and labour for spreading of crushed stone aggregate of nominal size not more than 40mm from the bay/yard manually without damaging any equipments, cable or parts of the 33 KV Grid bays, spreading & leveling of finished gravel uniformly in layers n. exc. 15 cm thick to true surface including taking out of old material complete all as specified and directed.

M & L for cutting and removing grass, vegetation bushes etc from inside boundary wall and outside boundary wall of 33/11 KV Sub Stn, around 33 KV towers and removing all rubbish to a distance not exceeding 50 m complete all as specified and directed.

M&L for Servicing & Repairs to Air-break switch (isolator) off load, rotating type, 33 KV, 800 Amps to 1250 Amps capacity, with proper alignment of isolator rotating blades, with fixed contact jaws, arcing horns, applying petroleum jelly to moving mechanism, cleaning and lubricating to isolator gear box assembly, tightening all nuts, bolts and clamps of jumpers etc, repairing to isolator gear box assembly and making in proper serviceable condition for smooth functioning, testing and commissioning on load complete all as specified and directed.

Supplying and Fixing in repairs, male/moving contact/ rotating blade of HDE copper silver plated of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc complete all as specified and directed.

Supplying and Fixing in repairs, Fixed Contacts, made of HDE copper, silver plated, of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed.

Supplying and fixing of terminal pad for Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity complete all as specified and directed.

M&L for lightening arrester expulsion type ( set of three as per existing make/model/capacity to be fixed on existing structure) complete with all fitting, transmission class, discharge capacity 65 kilo amps suitable for 33000 volts incl taking down old one etc complete as specified and directed

Supply , installation, testing and commissioning in replacement of air- breaker off load line isolator switch rotating type manually gear drive mechanism operated highest system voltage 36 KV rated current 1250 Amps triple pole with earthing device each pole consist of insulating pedestals 03 Nos on galvanized steel base as per BSS /IS including rotating blade of HDE copper and fixed contacts of same material , spring loaded arcing horns of adequate section to brake magnetizing current of transformer as directed with adequate 50mm dia GI operating pipe for operation from ground level and operating handle complete with both off and on positions complete all as specified and directed.

Supply and laying in replacement PVC insulated PVC sheathed cable galvanized steel strip or wire armoured electric control cables (Heavy duty) with stranded Copper conductor of size 2.5 sq mm 10 core 1100 Volts grade complete all as specified and directed.

All as per item No. 16 above but 2.5 sqmm 6 core copper conductor.

S&F in replacement silica gel with breather assembly, suitable for power transformer 33KV/11KV of 5 MVA capacity complete all as specified and directed

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type set of three, of 13.1 KA/Sec having ratio 200/100/5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed

Supplying, installation, commissioning and testing of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type set of three, of 13.1 KA/Sec having ratio 100/50/5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering and associated wiring including taking down old UNSV CTs complete all as specified and directed

Supplying, installation, commissioning and testing of SCADA compatible 3 o/c + 1 EF relay RS 485 port compatible for SCADA operation with IEC 61850 incl taking out of existing of complete all as specified and directed

S&F in replacement of vacuum interrupter suitable for 1250 amps, 11 KV HT VCB complete all as specified and directed

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil for laying / taking up/ taking down of cables and getting out and leveling of bottom surface to required level all as specified.

Returning filling in,. Including spreading, leveling,. Watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed.

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed. Note : Measurement shall be taken after punning down.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm complete all as specified and directed. .

Supplying, laying, jointing testing and connecting in replacement , XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armored, electric power cable (heavy duty) with multistranded aluminum conductors, 33 KV (E) grade, of size 240 Sq mm, 3 core, laid in trenches complete all as specified and directed.

Supply and fix Cable jointing kit for 33 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 Core XLPE armoured aluminum conductor cable of size 240/300 Sqmm incl taking down of existing complete all as specified and directed.

Supply and fix Cable jointing kit for 33 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 300 Sqmm 3 core incl taking down of existing complete all as specified and directed.

Supplying, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system laid in trenches fixed to pole, including jointing & testing of size 300 Sqmm 3 core complete all as specified and directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cable of size 300 Sqmm incl taking down of existing complete all as specified and directed.

Opening up the top cover of power transformer of 5 MVA outdoor type and taking out the transformer Oil in a separate container (arranged by contractor within day) after disconnecting the HV/LV side electric connections from both the primary & secondary side of the transformer, for carrying out necessary repair & testing like leakage arresting ,Visual inspection of Tap etc or visual inspection of core/ winding at site including taking out complete core assembly, Megger the defective winding portion/taking out ,cleaning the laminated core, cleaning the tank including minor repair ( ie brazing, soldering, adjusting of coil, packaging ) or as directed if reqd for transformer including assembling & testing & installation the same at the site complete all as specified and directed. Note:- (a) All T&P charges etc shall be deemed to be inclusive in the above quoted rate. (b) The cost of insulation material such as paper, cotton tape, lathered sheet, cork sheet and minor repair work etc are inclusive in the quoted rates. (c ) Cost of cleaning are included in quoted rates.

M&L for shifting of transformer 5 MVA from 33 Yard to workshop for repairing purpose with suitable T&P and Vehicle safely and revert back from workshop to original place incl connection installation and charging complete all as specified and directed.

M&L for Dehydration and filtering the transformer oil with dehydration machine to achieve required di-electric strength of the oil up to 60 KV at 2.5 mm gap complete all as specified and directed. Note (a) Dehydration machine and other required equipments shall be arranged by the contractor and no extra cost shall be paid to the contractor on this effect. (b) BDV Test certificate shall be submitted by contractor after dehydration.

Supply and filling transformer oil in sealed container for topping up the level of oil having dielectric strength 60 KV during filling after initial filtration, Make -:POWER/ INSOLE/ UNIVERSAL conforming to relevant IS-335 complete all as specified and directed.

M& L for opening up the top cover of transformer and taking out the transformer oil in a separate container after disconnecting the HT/LT side electric connections from both the primary & secondary side of the transformer of any type/description (indoor/out door type) installed on pole/floor, for carrying out necessary repair/rewinding to HT/LT side after shifting the transformer to contractors work shop including taking out complete core assembly, megger testing the defective winding portion/taking out , cleaning the laminated core and rewinding with appropriate gauge/winding wire/strip winding of existing description for transformer of capacity 50 to 100 KVA including assembling & testing on completion & installation the same at the site complete all as specified and directed. Note:- (a) Winding of coil shall be measured and paid separately under respective item. (b) Transportation charges are deemed to be included in the quoted rate. (c) The cost for the dehydration of transformer oil if required shall be measured and paid separately. (d) The cost of insulation material such as paper, cotton tape, lathered sheet, cork sheet etc are included in the quoted rate. (e) Proper shut down shall be taken by the contractor before execution of the work.

All as above Srl item No 37 here in before but of capacity exceeding 100 KVA and upto 200 KVA complete all as specified and directed.

All as above Srl item No 37 here in before but of capacity exceeding 200 KVA and upto 1000 KVA complete all as specified and directed.

M&L for replacement of copper winding wire of any size/description suitable for step down transformer of any capacity, including winding of coil of HT side as per manufacturers design and specification to obtain rated KVA complete all as specified and directed.

All as above Srl item No 40 here in before but for strip winding of LT side complete all as specified and directed.

All as above Srl item No 40 here in before but for aluminum strip winding of HT side complete all as specified and directed.

All as above Srl item No 40 here in before but for aluminum strip winding of LT side

Shifting only of trolley mounted transformer upto 500 KVA from one location to another location after carefully disconnecting from existing location and connecting at new location complete all as specified and directed

M&L for Replacement of existing defective drain out oil outlet valve of any type & size suitable for outdoor/ indoor transformer complete all as specified and directed .

M&L for Replacement of synthetic rubberized cork sheet gasket, 1/4" thick suitable for main body top cover of transformer of capacity up to 1000 KVA incl opening and lifting of top cover complete all as specified and directed.

M&L for air breather assembly complete with fresh blue colour silica gel suitable for indoor/outdoor transformer capacity upto 200 KVA of 11/0.415 KV Tfr connected to air column with conservator tank complete all as specified and as directed.

All as above Srl item No 47 here in before but for capacity above 200KVA and upto 1000 KVA complete all as specified and directed.

S&F in replacement transformer oil temperature gauge 0 - 100, graduated, analogue dial type complete all as specified and directed.

S&F in replacement HT porcelain bushing (set of three) of suitable size for transformer upto 250 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement of HT porcelain bushing (set of three) of suitable size for transformer above 250KVA and upto 500 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement LT porcelain bushing (set of four) of suitable size for transformer upto 250 KVA including nuts, bolts & washers complete all as specified and directed.

S&F in replacement LT porcelain bushing (set of four) of suitable size for transformer above 250KVA and upto 500 KVA including washers nuts, bolts complete all as specified and directed.

S&F in replacement HT bush rod (set of three) made out of copper with brass nuts and washers of required length including connecting up with HT coil of transformer upto 200 KVA capacity complete all as specified and directed.

S&F in repairs HT bush rod (set of three) made out of copper with brass nuts and washers of required length including connecting up with HT coil of transformer above 200KVA and upto 1000 KVA capacity complete all as specified and directed.

S&F in repairs LT bush rod (set of four) made out of copper with brass nuts and washers of required length including connecting up with LT coil of transformer upto 200 KVA capacity complete all as specified and directed.

S&F in repairs LT bush rod (set of four) made out of copper with brass nuts and washers of required length including connecting up with LT coil of transformer above 200KVA and upto 400 KVA capacity complete all as specified and directed.

S & F rubber seal for transformer HT/LT studs complete for any capacity of transformer complete all as specified and directed.

Supply and filling in replacement of silica gel inside the breather assembly and fixing properly with transformer complete all as specified and directed.

M&L for cutting worn out aluminium cable terminal lugs from the HT cable of size 120 to 300 Sqmm and S&F of new aluminium cable lugs of suitable size and reconnecting the cable with transformer, terminal stud including dressing of cable, excavation & surface dressing after providing sand cushioning and brick protection to match with the existing complete all as specified and directed.

M&L in replacement Earthing complete with galvanized steel earth plate electrode of size 600mmx600mmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized strip 32mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanised iron side, including testing and commissioning complete all as specified and directed. Note :- (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in soft/loose soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 type C2 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement 6mm dia both ways as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

Looping/Prunning of tree branches to obtain clearance all around the 33 KV yard including removing of cut branches and cleaning of site complete all as specified and directed. Note:- (a) The tree branches etc willl be left as it as and will not be carried away by the contractor as wood belongs to CEO/DEO and they will be responsible to lift the wood.However the same shall be stacked properly to avoid any inconvience to traffic etc. (b) Prunning of all tree branches of one tree shall be measured as one Job. (c) Contractor shall employ sufficient labour to complete the job within time as required. (d) Contractor shall be responsible for any type of mishappeing/accident while prunning of the trees. (e) Contractor's supervisor will take proper shut down from the MES installations before starting the work and clear it before resuming power supply. However full assistance will be provided by MES Staff. (f) The contractor will provide proper tools and safety devices to his staff for carrying out prunning of trees

S&F 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 completeall as spd and directed.

M&L for PCC 1:2:4 typeB1 using 20 mm graded stone aggregate as in coping to the poles complete all as specified and directed.

M&L for PCC 1:3:6 type C2 using 40 mm graded stone aggregate in foundation, filing and mass concrete complete all as specified and directed.

S&F in repair GI tube 100 mm bore light grade with all fittings and fixed complete for road crossing /on wall/floor and crossing culvert or laid in floor complete all as specified and directed.

Supply installation,testing and commissioning of chemical earthing maintenace free with electrode of size 85 mm dia x 300 mm long with 17.2 mm Cu bonded MS conductor pre cast or in situ cast in high purity electrically conductive granular material having ultra low resistive value . Electrode made of conductive earth enhancing material mixed wirth cement in ratio 3:1 to encase or back fill the voids surrounded the 17.2 mm cu bonded MS conductor or other metal components places in augured bore hole of 85 mm diax3000 mm depth, resulting to increase in the effective surface area of the earth electrode or grids to lower the resistance permanently with no further maintenance, like periodic, re- watering or recharge of salt or earth enhancing compound for a long period in dry soil or rocks, earth enhancing material should not leach chemicals in to the adjacent soil or underground water chanels and should be pH neutral range. Earth enhancing material should permanently protect the encased metal compound of earthing system. All hardware like nuts, bolts and washers should be stainless steel Electrode top terminal be sealed permanently packed with conductive concrete and Cu bonded MS/ copper extension strip taken out be terminated on to the earth bus bar complete all as specified and directed.

Note : Tenderers may note that amount of credit Rs 7,64,122.00 will be deducted from the total amount arrived, at the time of Acceptance of contract.