REPAIR AND PERIODICAL SERVICES OF THE VARIOUS POWER/ DISTRIBUTION TRANSFORMER ALONGWITH RMU, VCB ETC, WITH REPLACEMENT OF BURNT OUT HT JOINT/CABLES LT CABLE/LT JOINTS ETC WITH OTHER CONNECTING ACCESSORIES FOR MAFI PROJECTS UNDER AF STN BAREILLY

Material and Labour for earth continuity conductor or main aluminium strip of size 25 x 3 mm burried in ground, fixed to wall, any other indicated situation for loop earthing and the like upto test point on necessary insulators and fastening screws, rawl plugs complete all as specified and directed. NOTE: - The joints of each lead strip shall be welded / brazed and the cost of brazing / welding shall deem to be included in unit rate of this item.

M&L for maintenance & Overhauling of 11 KV VCB of existing make/ type/mode/ capacity including dismantling of operating mechanism parts well cleaning with petrol and CRC-226 and replacing unserviceable spare parts re-assembling of parts including well cleaning and greasing of all mechanical parts. The complete panel board, main busbar, decarbonizing all joints busbar CTS, PTS, spouts metal parts and making VCB perfect operating in manual and electric mode and calibration & checking of tripping system of 11 KV circuit breaker through IDMT over current and earth fault relay at plug setting infented in service by primary current injection method to ensure proper function of trip coil control circuit etc. during fault condition setting by expert complete all as specified and directed. Note:- Spare parts required to make VCB functional will be measured and paid separately under respective items.

Repair/replacement of following spare parts for 11 KV VCB of any make all as specified :-

S&F in replacement of automatic spring Charging Motor suitable of 11 KV VCB 110 V-230 Volt AC supply for the opening and closing of contacts complete all as specified and directed at site as per sample.

S&F in replacement of vaccum interrupter bottle as per existing capacity of VCB 110 V-230 Volt AC supply for the opening and closing of contacts complete all as specified and directed

S&F in replacement of Indicating lamp LED suitable for 11 KV as per existing capacity complete all as specified and directed

S&F in replacement of space heater 60 watt 230 Volt AC supply with thermostat complete all as specified and directed

S&F in replacement of digital Voltmeter 0 to 12 KV size 96x96 mm class 0.5 , PTR 11000/rt3/110/rt3 complete all as specified and directed

M&L for replacement of TNC switch as per existing complete all as specified and directed

Comprehensive maintenance / testing of 11 KV RMU as per existing make including painting as per existing colour and checking of circuit wiring, tightening of loose connections, replacement of burnt out wiring thimbles , setting of numerical relays O/C & E/F , ensuring health test by primary injection at site including minor spare parts etc

DISTRIBUTION TRANSFORMER ALONGWITH RMU, VCB ETC, WITH REPLACEMENT OF BURNT OUT HT JOINT/CABLES LT CABLE/LT JOINTS ETC WITH OTHER CONNECTING ACCESSORIES FOR MAFI PROJECTS UNDER AF STN BAREILLY.

S & F in replacement of HT bushing with gaskit for SF-6 Ring main unit 11 KV complete all as specified and directed

complete all as specified and directed

Taking out of existing HT UG cable of size 3 core , 95/120/240 Sqmm including taking out protection bricks complete all as specified and directed. Note:- Earth work & excavation will be measured and paid separately

Supply and laying or fixing jointing and testing 11 KV (E) system XLPE insulated, screened , PVC bedded, galvanised steel strip or wire armoured, electric power cables ISI 7098 marked with aluminium conductor, 11000 Volts ( earthed), laid under floor/ground or fixed on wall complete of cable size 95 Sqmm 3 core complete all as specified and directed.

M & L for detection of pin point fault in HT cable 33/11 KV (burried in ground/under road/path up to depth of 1.5 m) by cable fault locating machine comprising impulse generator, acoustic fault locator and reflectometer (laptop based) complete all as specified and directed. Notes-(i) Cable fault locating machine to be arranged at site with in an hours after intimation (ii) Earth work will be included in quoted rate. (iii) Cost of transportation in unit rate is deemed to be included.

M&L for cable jointing kit for 11 KV (E) grade cable for indoor end termination heat shrink type complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 sqmm 3 core complete all as specified and directed.

M&L cable jointing kit for 11 KV (E) grade cable for out door end termination heat shrink type complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 sqmm 3 core complete all as specified and directed.

M&L cable jointing kit for 11 KV (E) grade cable for straight through heat shrink type complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 sqmm 3 core complete all as specified and directed.

Relaying the serviceable HT 11 KV 3 core 95/120/240 Sqmm of size cable in trenches/fixed to poles/wall, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable complete all as specified and directed. Note:- (i) Excavation, earthwork, cable joints, sand cushioning & cable cover will be measured and paid separately if required)

Calibration of VCB/RMU relay by injecting High voltage through CTS checking the over load system of VCB upto 90% rated load and artificial fault creation and setting of relay by 10 to 15 % of rated load, removing U/S overload and earth fault relay including connection with power pack. Opening out the trolly checking the operation of VCB mechanically and electrically through shunt trip coil including energizing of springs automatically including checking of TNC switch. Testing and commissioning all as directed. Note:- (i) Maintenance to be carried out by the reps of authorized person (ii) After completion, test certificate shall be furnished.

M&L for changing of Old / Burnt Copper HV winding by new EC grade copper coils including insulation material of transformer complete all as specified and directed.

M&L for changing of Old / Burnt Copper LV winding by new EC grade copper coils including striping out of Insulation of LV Windings and reinsulation of Coil with insulating material of transformer for any type and capacity of transformers complete all as specified and directed.

M&L for Transformer oil having di-electric strength of 40 to 60 KV as per IS complete for top up/ replacement (Oil should be supplied in sealed barrel of Power/Transol brand) Note: Oil shall be filled in the transformers to be repaired or installed at site at different locations.

M & L for taking down carefully Transformer / Isolation transformer of any capacity, any make, any type from pole / plinth/ base, disconnecting HT & LT side connections, earthing strip of transformer, supporting angles, cross arm, shifting / transporting transformer carefully from the site to the workshop opening the top cover of the transformer, bushing, draining of oil from the transformer, lifting the core complete taking out defective coils from the core, cleaning the tank and reassembling the transformer after carrying out the repairs/replacement of worn out part, opening the complete unit till to get desired megger value, transporting returning back to the site installing re-commissioning and testing of the transformer at its original place, connecting up HT & LT sides, earthings, supports / cross arms etc complete. Note:- (i) Spares, Rewinding of transformer, reinsulating & heating if required will be measured and paid separately under respective items of schedule.

M & L for dehydration/Filtration of transformer oil at site by means of centrifuging machine in order to improve dielectric strength of oil as per IS-355. Breakdown voltage should not be less than 50 KV complete all as specified and directed.

Supply and fixing LV porcelain bushing of transformer 1.1KV/160 Amp with metal parts brass as per IS 3347 part iii and 4 Nos hexagonal nuts, complete all as specified and directed.

all as per ser item No 31 above but for capacity 1.1KV /630 Amp

Supply and fixing HV porcelain bushing of transformer 12KV /160 Amp with metal parts brass as per IS 3347 part iii and IS 2009, complete all as specified and directed.

All as per item No 33 above but for Capacity of 400 KVA to 750 KVA

M & L for disconnecting the transformer of capacity up to 630 KVA indoor/outdoor from HT/LT side carefully at site, for top overhauling of transformer dismantling carefully and removing primary and secondary terminals, top cover, conservator tank, neutral earth strips and draining out transformer oil to the required level and storing carefully in cleaned containers, cleaning of terminals, supply and replacing the 5 mm thick rubberised cork sheet gasket for tank top cover, repair of transformer oil leakages from HT/LT bushing, and reassembling the complete, reconnecting the HT/LT supply cable ends at the site and testing complete all as specified and directed. Note : (i) If any damage to transformer/OH line/cables occur during handling, transportation or during hoisting/lifting, the same will be rectified by the contractor without any extra cost to the department. (ii) Spare parts required at site shall be measured and paid separately under respective items. (iii) If T&P for lifting of material is required at site,it shall be deemed to included in quoted rate.

Dismantling air break GOD 11 KV switches vertical / Horizontal mounted including insulators and operating mechanism for repair / replacement of broken / worn out components and insulators etc at site ( spare parts / components will be measured and paid separately)

S&F in repair/replacement of male contact / moving contact blade and fix contact jaw 200 / 400 amp , Tinned copper flexible jumper for GOD 11 KV per phase complete all as specified and directed.

M&L for replacement of 90 degree lug boot for HT terminals on each phase for protection of the HT terminals from moisture/dust etc complete all as specified and directed.

M & L for replacement of old defective earthing by providing new earthing comprising of copper earth plate electrode 600 mm X 600 mm X 3.15 mm thick buried directly in ground (earth pit not less than 2.25 m below ground level) with top edge of earth plate not less than 1.50 m below normal ground level, connected to copper earth strip of size 20 X 3 mm by means of nut-bolts, check nuts and washers of galvanised iron or steel all as shown on electrical plate No. 3 of MES schedule 2020, Part–I (Specifications) and connected to main switch board / main DB’s / earthing test point including all necessary excavation and earth work in any type of soil, adequate quantity of charcoal dust and common salt all around the earth plate in alternate layers minimum 150 mm (compacted thickness) in all directions with and including watering pipe 20 mm dia GI medium grade, GI funnel made out of 0.63 mm thick GI sheet, wire gauge, , GI protection pipe light grade 40 mm bore complete all as specified and directed.

M & L for shifting of transformer / Isolation transformer of any capacity, any make, any type from pole / plinth/ base, disconnecting HT & LT side connections, earthing strip of transformer, supporting angles, cross arm, carefully from the one site to another site and installing re-commissioning and testing of the transformer, connecting up HT & LT sides, earthings, supports / cross arms etc complete all as specified and directed.

M&L for complete cleaning of the internal & external parts of LT panel, checking & testing of all the components of the panel for cable insulation, lugs, connections and the like, replacement of & including provision of minor parts like lugs, insulation tape, nuts bolts, connectors and the like as directed by Engineer-in-Charge, replacement and / or welding of existing damaged hinges of the panel, preparation of old painted surfaces (internal & external) of the panel, complete removal of existing paint using emry paper grade 220, by sanding and scrubbing, application of corrosion resistant primer by sprayers, applying hammer finish metal paint using sprayers in two coats and till shining surfaces are obtained, application of two coats of epoxy black paint on panel frames including cutting/dressing of cable, excavation upto 5 mtrs in any type of soil refilling the trench including sand cushioning and brick protection complete (Approximate average size of panel=1.50x0.75x0.45m) (Note - Rates included for provision of sufficient technicians for getting electric shut down and to attend the shutdown on site till completion. Replacement of major items like MCCBs etc. shall be measured & Paid for separately).

S&F in replacement of MCCB 4 Pole, 400 Amps, 50 KA, 415 V with adjustable magnetic setting, with 02 Nos spreader links for both incoming side and out going side , in existing electric panel with all necessary connection complete all as specified and directed.

All as per item No 42 above but for MCCB 4 Pole, 320 Amps, 36 KA, 415 V complete all as specified and directed.

All as per item No 42 herein before but MCCB 4 Pole, 250 Amps, 36 KA, 415 V complete all as specified and directed.

All as per item No 42 herein before but MCCB 4 Pole, 200 Amps, 36 KA, 415 V complete all as specified and directed.

All as per item No 42 herein before but MCCB 4 Pole, 160 Amps, 36 KA, 415 V complete all as specified and directed.

M&L for maintenance of Air Circuit Breaker of different capacity including removal of ACB trolley, cleaning of all copper male and female contact, tightening of all connections, checking of all auxiliary contacts, control wiring, etc. refixing the ACB trolley to its original position including proper setting of manual/motorize operation of ACB, checking/setting of tripping system, etc complete all as specified and directed. Note:- (i) Maintenance to be carried out by the rep of OEM only.

Taking out of existing LT UG cable of size 3½/4 core, 25 to 95 Sqmm including taking out protection bricks complete all as specified and directed. Note:- Earth work & excavation will be measured and paid separately

Taking out of existing LT UG cable of size 3½/4 core, 120 to 300 Sqmm including taking out protection bricks complete all as specified and directed. Note: Earth work & excavation will be measured and paid separately

Relaying of old serviceable LT XLPE UG cable 1100V grade of size 3.5/4 core, 25 sqmm to 95 sqmm after fault rectification complete all as specified and directed. [Note: Excavation & earth work will be measured and paid separately.

Relaying of old serviceable LT XLPE UG cable 1100V grade of size 3.5/4 core, 120 sqmm to 240 sqmm after fault rectification complete all as specified and directed. [Note: Excavation & earth work will be measured and paid separately.

Relaying of old serviceable LT XLPE UG cable 1100V grade of size 3.5/4 core, 300 sqmm after fault rectification complete all as specified and directed. [Note: Excavation & earth work will be measured and paid separately.

Supply & Fixing in replacement, connecting, testing and commissioning and jointing, LT under ground cable 1100 volts grade, XLPE insulated, armoured with galvanized round steel wire or steel strip, electric power cables heavy duty, with multi stranded aluminum conductor, laid in trenches,ducts, fixed on poles/walls with proper size saddles and clamp laid under roads /path /drain /culverts or encased in GI pipe fixed & testing and commissioning complete all as specified and as directed by the Engineer-in-Charge of following Sizes:- Note:- (i) Sand cushioning, Cable protection cover, GI pipes, excavation and earth work shall be measured and paid for separately under respective items of Schedule.

LT cables 25 Sqmm, 3.5 core.

LT cables 35 Sqmm, 3.5 core.

LT cables 50 Sqmm, 3.5 core.

LT cables 70 Sqmm, 3.5 core.

LT cables 95 Sqmm, 3.5 core.

LT cables 120 Sqmm, 3.5 core.

LT cables 150 Sqmm, 3.5 core.

LT cables 240 Sqmm, 3.5 core.

LT cables 300 Sqmm, 3.5 core.

M&L for straight through joint (epoxy) for LT 1100 Volts grade, aluminum conductor including jointing kits, aluminium ferrules and labour complete for making joints and testing of following Sizes:- (Make :- M seal/3M /Denson)

Cable size 185 sqmm to 240 sqmm 3.5 core

Cable size 70 Sqmm to 150 sqmm 3.5 core

Cable size 25 sqmm to 50 Sqmm, 3.5 core

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth for foundation etc or for shafts, wells, cesspits, manholes pier holes etc not exc. 10 sqm on plan and not exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

Returning filling in soil and including spreading leveling watering and well ramming in layers n.exc. 25 cm thick complete all as specified and directed.

Removing excavated soil to a distance n.exc. 50 mtr and depositing where directed at a level n.exc. 1.5m above the starting points.

M&L for sand cushioning for UG cables using dry river sand; gently punning down all as directed and specified. ( Note : For measurement purpose punned thickness shall be considered)

S&F in repair/replacement of 11 KV Post insulator Porcelain / Polymer complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 2 flat size 300mm x 180mm x 40 mm for covering to under ground cable laid flat transversally width equal to the lenth of the cable complete all as specified and directed.

All as per Item No 60 herein before but except bricks. [Note: Serviceable bricks retrieved from taking out cable item shall be reused].

M & L for sub class 'B' brick for covering to under ground cable laid flat transversally width equal to the length of the cable complete all as specified and directed.

Labour only for cleaning the vegetation/surplus soil around the earth pits upto 1.00 mtr all around the pit, cleaning the chamber of the earth pit & checking the results of the earthing using earth tester, re-activating the earth pit using suitable measures as required to bring the results within the limits of 1 /2/3/5 ohm NOTE : i) All materials required for re-activation of earthing pit will be measured and paid separately under supplied only of respective item of schedule. ii) The resistance test of earth pits to be carried out in dry season only. iii) Contractor has to submit the satisfactory earth test reasult duly countersigned by users fo payment purpose.

Supply only common salt for earth pit complete all as specified and directed.

Supply only Charcoal dust complete all as specified and directed.

Supply only magnesium sulphate for earth pt. complete all as specified and directed.

Supply & Fixing in replacement of earthing strip insulators made of any material as PVC/Fiber/porcelain including nut and bolt suitable for fixing / support of copper/GI strip of size upto 32x6 mm complete all as specified and directed.

M&L for flex sheet glow sign board duly printed computerised letter as directed fixed over square bar duly welded in rectangular shape including fixed the tube light fitting box type one No per Sqm area, Tube lights to be properly fit in connectors with clippers. Frame - 1”x1” cubic, square pipe 16 gauge. Galvanized Metal sheet box – side 26 gauge powder coated and back 28 gauge complete all as specified and directed.

Supply and fixing in replacement of copper strip 32x6 mm fixed with saddles, insulators and screws etc for roof conductor and down conductor above ground, including brazing at joints complete all as specified and directed.