REPAIR MAINTENANCE OF AMF PANEL INCLUDING HT LT ELECTRIC SUPPLY SYSTEM WITH REWINDING AND MAINTENANCE OF TRANSFORMER AND ITS CONNECTED WORKS AT INSP ORG UNDER GE MH AND RH KIRKEE

Amount

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 mtr depth n exc 10 sqm on plan ffor taking out cable etc for repairs / laying cables etc and getting out in soft/loose soil complete all as specified and as directed.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 mtr depth n exc 10 sqm on plan ffor taking out cable etc for repairs / laying cables etc and getting out in hard/dense soil complete all as specified and as directed.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 mtr depth n exc 10 sqm on plan ffor taking out cable etc for repairs / laying cables etc and getting out in soft / disintegrated rock complete all as specified and as directed.

Returning filling in including spreading, levelling, watering and well ramming in layers n.exc. 25cm in soils complete all as specified and as directed.

Removing excavated material( soil) to a distance not exceeding 50mtr and depositing where directed at a level not exceeding 1.5mtr above the starting point complete all as specified and as directed.

M&L for clean dry river sand cushioning to under ground cable in trenches 8 cm in depth before laying the cable and 15 cm in depth after laying the cable including spreading levelling hand punning and consolidating complete all as specified and directed ( Note: Thickness after punning down shall be measured and paid)

Supply and laying reinforced precast concrete cable cover class HV, type 1, flat size 300 mm x 180 mm x 40 mm size for cable protection complete all as specified and as directed.

S & F old size sub-class ‘B’ brick, well burnt, laid breadth wise along the length of cable laid in trenches over sand cushion laid for UG cable Protection, complete all as specified and as directed.

Taking down burnt bricks / PCC covers of any size and relaying the same after laying of cable complete all as specified and as directed.

Taking down unserviceable cable of any size and description all as directed and specified complete all as specified and as directed.

Relaying only the serviceble cable of any size and description obtained from item No 10 above after jointing, etc all as directed complete all as specified and as directed.

Supply, laying & testing XLPE insulated, PVC sheathed, bedded, galvanized steel strip (heavy duty) amoured electric aluminium conductor cable 11000 volts (earthed) grade of cross sectional area 95 Sqmm 3 core including disconnecting and removing old unserviceable cable and bricks complete all as directed.

Supply, laying & testing XLPE insulated, PVC sheathed, bedded, galvanized steel strip (heavy duty) amoured electric aluminium conductor cable 22000 volts (earthed) grade of cross sectional area 95 Sqmm 3 core including disconnecting and removing old unserviceable cable and bricks complete all as directed.

M & L for cable jointing kit for 11 KV (Earthed) 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 95 Sqmm including taking down old cable joint kit complete all as specified and directed by Engr-in-charge.

M & L for cable jointing kit for 22000 V (Earthed) 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 95 Sqmm including taking down old cable joint kit complete all as specified and directed by Engr-in-charge.

M & L for cable jointing kit for 22000 V (Earthed) 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 185 Sqmm including taking down old cable joint kit complete all as specified and directed by Engr-in-charge.

M & L for heat shrinkable HT 22 KV (earthed) straight through joint cable kit suitable for aluminium conductor cable of size 3 core 185 Sqmm complete all as specified and directed by Engr-in-charge.

M & L for heat shrinkable HT 22 KV (earthed) straight through joint cable kit suitable for aluminium conductor cable of size 3 core 95 Sqmm complete all as specified and directed by Engr-in-charge.

M&L for cable route indicator made out of PCC 1:3:6 of size 300x100mm, 450mm above ground level finished even and fair with 10mm thick plaster 1.6 ambeded upto 600mm below ground level of size 300x300mm and marked/ written for HT 11KV including indicating direction with and including painting with two coats of synthetic enamel paint over a coat of primer to exposed surfaces complete all as specified and directed by the Engineer-in-charge.

Disconnecting the transformer indoor/ out door from HT (22/11 KV) / LT(440 volt) side at site dismantling carefully and removing primary and secondary terminals, top cover with conservator tank, neutral earth strip and draining out transformer oil to the required level and storing carefully in cleaned containers, cleaning of terminals, inspection of core, supply and replacing 5 mm thick rubberised cork sheet gasket for tank top cover and reassembling the complete dismantled items, reconnecting the HT/ LT supply cable ends at the site for the following transformers complete all as directed by engineer incharge.

a) Transformer capacity 100KVA to 200 KVA

b) Transformer capacity 300KVA to 500 KVA

Filteration of transformer oil of transformer installed at various locations out door/in door transformer to achieve electric strength of 40 KV for 1 minute at 4mm gap as per relevant IS with portable filteration plant, testing of oil for di electric strength before and after filteration shall be conducted all as directed by the Engineer in Charge Note : Test results after filteration shall be produced on completion.

Supply and topping up new transformer oil into the conservator tank/body tank of the transformer at various location complete all as directed by the Engineer-in-charge. (Make : Power Oil or its equivalent as approved by GE) Note : The transformer oil for topping up shall be with di-electric strength of 40KV

Material and Labour for rewinding of HT /LT windings of transformer of capacity 200 KVA, winding the defective coils with approved quality copper wire as per IS of same gauge and existing size together with new insulation materials, bracings the terminals before placing into the tranformer and assembling the HT / LT coil with new insulation between core and LT coil all as required and fitting the coils in the chamber, testing and commisioning the transformer after providing necessary connections complete including transportation to workshop all as directed.

Material & Labour for replacing silica gel breather for the following sizes of transformers:-

(a) 100 to 200 KVA

(b) 300 to 500 KVA

Material and Labour for shifting of transformer of any capacity from one area to another area and placing in position and making all conections including removing and depositing the old transformer to store yard carefully and properly testing and commisioning transformer complete all as specified and directed

Taking out old unserviceable deffective HT bushings from transformers and material and labour for new porcelain bushing with brass stud, nuts and washers, connecting to the winding testing and commissioning the transformer of capacity 100 to 200 KVA complete all as specified and directed

Taking out old unserviceable deffective HT bushings from transformers and material and labour for new porcelain bushing with brass stud, nuts and washers, connecting to the winding testing and commissioning the transformer of capacity 300 to 500 KVA complete all as specified and directed

Taking out old unserviceable deffective LT bushings from transformers and material and labour for new porcelain bushing with brass stud, nuts and washers, connecting to the winding testing and commissioning the transformer of capacity 100 to 300 KVA complete all as specified and directed

Taking out old unserviceable deffective LT bushings from transformers and material and labour for new porcelain bushing with brass stud, nuts and washers, connecting to the winding testing and commissioning the transformer of capacity 300 to 500 KVA complete all as specified and directed

M&L for switch air-break gang operated horizontal/vertical type single break, 11000 volts grade, triple pole, mechanically operated mounted on 9 insulator and steel frame, with operating mechanism worked from ground level, for current rating 400 amps capacity including taking down old AB switch all as directed. ( Make: Pactil /Jaipuria Brothers / MEC Trivandrum as approved by GE)

M&L for Drop out fuse suitable for 11 KV current rating 25 to 50 Amps including taking down old HT Drop out fuse units complete all as directed ( Make: WSI / Jayshree / Mysore as approved by GE)

M&L for Drop out fuse suitable for 22 KV , horn gap fuse type , current rating 25 to 50 Amps including taking down old HT Drop out fuse units complete all as directed ( Make: WSI / Jayshree / Mysore as approved by GE)

M&L for lightning arrester high tension expulsion type complete with all fittings transmission class, discharge capacity 30 Kilo amps suitable for 11000 Volts supply including taking down old lightning arresters complete all as directed ( Make: WSI / Jayshree / Mysore/Areva as approved by GE)

M&L for lightning arrester high tension expulsion type complete with all fittings transmission class, discharge capacity 22 KV/33 KV supply including taking down old lightning arresters complete all as directed ( Make: WSI / Jayshree / Mysore/Areva as approved by GE)

Supply and replacement of pin type porcelain vitreous white/ brown insulator of size 150 mm height, 150 mm dia 11000 volts grade incl one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut all as directed. (Make: Jayshree / Mysore porceleain / Jaipuria / BHEL / Southern insulator / WS insulators as approved by GE)

Supply and replacement of pin type porcelain vitreous white/ brown insulator of size 150 mm height, 150 mm dia 22KVA grade incl one galvanised mild steel spindle, two galvanised washers and one galvanised iron nut all as directed. (Make: Jayshree / Mysore porceleain / Jaipuria / BHEL / Southern insulator / WS insulators as approved by GE)

Supply and replacement of disc type porcelain vitreous 145 mm height and 255 mm dia ball and socket type white, brown or green for working pressure 11000 volts including mild steel straps of size 38 x 5 with 20mm dia bolts all as directed (Make: Jayshree /Mysore porcelain / Jaipuria / BHEL / Southern insulators / WS insulator as approved by GE)

Supply and replacement of disc type porcelain vitreous 145 mm height and 255 mm dia ball and socket type white, brown or green for working pressure 22KVA including mild steel straps of size 38 x 5 with 20mm dia bolts all as directed (Make: Jayshree /Mysore porcelain / Jaipuria / BHEL / Southern insulators / WS insulator as approved by GE)

Taking down old unserviceable earthing and M & L for earthing complete withGI earth plate electrode of size 600mm x600mmx 3.15 mm thick burried directly under ground vertically to a depth not less than 2.25meter below ground level with top edge of the plate at a depth not less than 1.5 m below ground level connected to and including GI strip 32 x 6 mm, by means of bolts, nuts, check nuts and washeres made out of GI including protection pipe GI light grade 40 mm size and watering pipe 20 mm dia GI medium grade all as shown on plate No 3 of SSR Part-I, connecting to earthing test point, including necessary earth work in any type of soil, PCC earth chamber made in PCC 1:3:6 type C1 (using 20mm graded aggregate), common salt, charcoal, CI funnel, earth pit cover in RCC 1:2:4 type B1 (using 20mm graded aggregates), with 8mm CTD bars @ 100mm c/c in both ways, including necessary form work complete including necessry test on completion all as specified and as directed.

Supply and replace MCCBs 4 pole 100-160 Amps, 415 Volts, 25 KA adjustable complete all as specified and as directed

Supply and replace MCCBs 4 pole 200Amps, 415 Volts, 25 KA adjustable type complete all as specified and as directed

Supply and replace MCCBs but 250 Amps 4 pole 36 KA complete all as specified and as directed

M & L for detect HT 11/22 KV cable fault and LT cable fault for various size cable of 24 hrs x 7 days i.e entire contract day with technician around the clock on CQA (ME) & CQA (EE), CQA(FE), NBC, and CQA residential areas detect the cable fault and necessary excavation of soil and refilling the soil, joint the faulty cable with new straight through joint kit, after jointing, testing, and charging of HT / LT cable all as specified and directed by Engr-in-Charge. (Note: (i) Cable joint required size measured and paid separately (ii) Each job considered cable fault locator use in one day)

M&L for cleaning of MES electric supply installations/campus by surface dressing or trimming of natural ground to remove small unequalities (including removing vegetation/ shrubs/brush wood/under growth) and carrying away the rubbish to a distance of not exc 50 mtr away complete for the various sub stations complete all as specified and as directed

Supply,laying, testing and commissionnig of UG LT cables 1100 volts grade, XLPE insulated and PVC sheathed, armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 1554 part-I, including cable glands, crimpimg type cable lugs in LT panel/MCCB in bldg etc to suit the cable laid in trenches/ducts/under plinth floors passing through pipes etc, fixed on wall including removal of existing unservisable cable carefully from trenches/poles/ducts/LT panels, OH conductors and relay at different locations etc and making good damaged surfaces as required complete of following sizes :-

(a) 25 Sqmm 3.5 core

(b) 35 Sqmm 3.5 core

(c) 50 Sqmm 3.5 core

(d) 70 Sqmm 3.5 core

(e) 95 Sqmm 3.5 core

(f) 120 Sqmm 3.5 core

(g) 185 Sqmm 3.5 core

(h) 240 Sqmm 3.5 core

(j) 16 Sqmm 4 core

Re-laying only the serviceable cable of any size and description obtained from Item No-45 above after joining etc all as directed. Note: (i) While re-laying retrived sand will be re-used without any extra cost. (ii) Re-trived Bricks and PCC cover paid as laying only rate. (iii) Earth works are meaured and paid in Item No-01 to 05 like excavation, re-laying bricks, Returning & Refilling, Removal.complete all as specified and as directed

Supply and joint heat shrinkable type straight through joints(Tubular sleeve version) for joint LT 1100 volts grade 120-185 sqmm, 3/3.5/4 core, complete all as specified and as directed make-3M, Raychem RPG, M-Seal as approved by GE (Note: Necessary excavation, returning filling will be measured and paid separately)

Supply and joint heat shrinkable type straight through joints(Tubular sleeve version) for joint LT 1100 volts grade 185-300 sqmm, 3/3.5/4 core, complete all as specified and as directed make-3M, Raychem RPG, M-Seal as approved by GE (Note: Necessary excavation, returning filling will be measured and paid separately)

supply and connect, testing, commissioning of LT capacitor 3 to 15 KVAR including capacitor duty contactor of suitable capacity of on existing APFC panel and necessary panel wiring for stud mounting cylindrical type having very good KVAr to volume ratio conform to IEC 60831-1 & 2 IS 13340 of range single unit of 5/6 KVAr voltage range 220 V to 440Volt of Heavy duty for non-linear loads up to 440 V using state of art metalisation process for MPP film with heavy edge self healing property, low energy consumption, soft biodegradable resin as impregant safety device in the form of pressure sensitive(over pressure) mechanical interrupter, Temp class 10/D, 3 phase, 50-60 Hz, IR-6.56 amps, after fixing of capacitor testing the PF value achive 1.000 all as directed and satisfied by Engr-in-Charege Make: For capacitor L & T Cat No: LTCCN 56B2 or equivalent make of Legrand/Schneider & For contactor Make L & T cat No: CS96127 or equivaltnt make of Legrand /Schneider as approved by GE

All as per item No 49 Above but of capacity 20 to 25 KVAR Capacitor complete all as specified and as directed.

Taking down old unserviceable CT coil and S & F CT coil of CT Ratio --/5A as per site requirement complete all as directed by Engr-in-Charge.

Supply and laying GI tubeing light grade 40 mm bore ISI marked for encasing cables for mechanical protection, laid in trenches, under floors/plinths/roads/paths etc or fixed on walls (concealed or exposed) including necessary fitting complete all as specified and as directed.

Supply and laying GI tubeing light grade 50 mm bore ISI marked for encasing cables for mechanical protection, laid in trenches, under floors/plinths/roads/paths etc or fixed on walls (concealed or exposed) including necessary fitting complete all as specified and as directed.

Supply and laying GI tubeing light grade 80 mm bore ISI marked for encasing cables for mechanical protection, laid in trenches, under floors/plinths/roads/paths etc or fixed on walls (concealed or exposed) including necessary fitting complete all as specified and as directed.

M&L for road cutting and making good with PCC 1:3:6 type C-2 (using 40 mm graded stone aggregate) of 150mm X 100mm inrespect of width and thickness complete all as directed by Enger -in- charge.

Decarbonizing of LT indoor/outdoor Panel/feeder pillar box any type replacing unserviceable control wiring for panle, including cleaning of bus bar and insulated with suitable colour code , indicator lamps, removing unserviceable Ammeter, Volt meter , replace with new multifunction meter, painting inside and outside of the panel with enamel paint, fixing proper hanging front and rear openings, welding of hinges including using extra sheets replacing burnt thimbles with new thimbles re-fixing of required size, incluidng re-connecting the LT cables and testing complete all as specified and directed by Engr -in- charge.

Calibration of APFC panel by cleaning, tightning of connections, setting programme,checking of CT, Control wiring including replacement of unserviceable items like indication lamps, MCB's, control wires and testing the panel to acheive power factor of 0.999(lag) complete all as specified and as direced by Engr-in-Charge.

Supply and replace power factor controllers 8 steps, 415 volt, AC, 50 HZ power supply and replacing old unserviceable controllers including suitable wiring all as directed and satisfied by Engr-in-Charge. Make: L &T Cat No ETACONM008R or equivalent make of Scheider, EPCOS as approved by GE

Taking down unserviceable LT panel and Supply, install, commissioning and testing of LT outdoor type feedar pillar box 415 V/440 Volts, confirming to IEC 61439 with IP-54 protection of suitable size made out of 3.15 mm thick CRCA sheet with both side openable door with locking arrangement and complete panel should be powder coated with having neoprene rubber gasket for sealing door, doors of the panel should be removable type, including 1500 A current capacity Aluminium bus bar for 3 Nos phase, 1 No of neutral of suitable size horizontal and vertical mouniting on suitable capacity of insulators, Multifunction meters with suitable size of Current Transformers copper wounded, resin cast, indicators lamp etc with provision for 11 Nos of 4 Pole MCCBs 01 No Incoming as ACB 1000 Amps & 10 Nos outgoing MCCBs with Analog street light timer , copper panel control wiring as per IS direction,make internal compartment for mounting MCCBs/MCbs and bus bars using 2 mm thick CRCA sheet, the panel shall be mounting on 50 x 50 x 6 mm MS angle iron and 60 cm above the normal ground level & embedded 20 cm below ground level in PCC foundation (1:2:4) type B 1, connect new UG cable for Incoming from Transformer to panel and out going ten nos thorugh MCCB cable shall enter through cable glands for safety of cable where enter through panel complete all as specified and directed by Engr-in-charge. Note: (i)Multifunction meter Make L & T Cat No: WC4420510000. (ii) Current Transformer should be caliberated and tested on MSEDL certificate should produce by contractor. (iii) ACB 1000 Amps & MCCBs measured and paid separately.

Supply and replace MCCBs 3 pole 63 Amps, 415 Volts, 16 KA adjustable type complete all as specified and as directed

Supply and replace under volt trip device for 240 V, AC for 800-1000 Amps complete all as specified and as directed

Supply and replace under volt trip device 440 V AC for 1000 Amps complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace shunt Trip coil 240 V AC for 1000 Amps ACB. complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace closing coil 240 V for 1000 Amps ACB. complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace Spring closing Motor 240 V AC for 1000 Amps ACB complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace spring charge indicator SCIS-M for 1000 Amps ACB complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace mechanical interlocking (D/O-Vertical/Horizontal) system for 1000 A ACB complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace Arc contacts, for 1000 Amps ACB complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and triping indicating switch for ACB 1000 Amps. complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace moving contact Assembly for 1000 amps ACB complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace under volt release (UVR) 220/415 Volt AC for ACB 1000 Amps complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace Earth fault relaease for ACB 1000 Amps. complete all as specified and as directed Make: CG or equivalent make as approved by GE

Supply and replace shunt release (SR) 240/415 V AC, complete all as specified and as directed

Disconnecting incoming and outgoing cable/busbar connections (as required), taking out the draw out type air circuit breaker of any make, type from the cradel for overhauling & servicing through OEM of 3/4 pol, 415 Volts, AC, current rating 800 A-1000 Amps by carrying out the following all as specified and as directed. (a) Cleaning of dust, spider web, foreign particles etc. (ii) cleaning of various parts with CRC-2-26 (iii) Replacement of damaged parts. (iv) Checking, setting and adjusting the spring charging mechanism closing and tripping mechanism operation auxilary switch contacts. (v) Checking of breaker operation in isloating/test and service position. Note: 1. The contactor has to replace minor spares like spring washers, locking pin, circlip, spring, nut-bolts etc. 2. The servicing/overhauling of breaker is to be carried out at site. 3. Major spares required to be replace during servicing will be measured and paid under relevant items as specified in the schedule.

M & L for jointing the LT cable with heat shrinkable straight through join, by disconnecting the cable ends, removing the damaged portions of cable, by suitable means, joining by ferrules etc and testing for LT 1100 V cable of size 3.5/4 core 10-25 Sqmm all as directed and specified.

M & L for jointing the LT cable with heat shrinkable straight through join, by disconnecting the cable ends, removing the damaged portions of cable, by suitable means, joining by ferrules etc and testing for LT 1100 V cable of size 3.5/4 core 35-70 Sqmm all as directed and specified.

M & L for jointing the LT cable with heat shrinkable straight through join, by disconnecting the cable ends, removing the damaged portions of cable, by suitable means, joining by ferrules etc and testing for LT 1100 V cable of size 3.5/4 core 95-120 Sqmm all as directed and specified.

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