REPAIR MAINTENANCE OF DISTRIBUTION TRANSFORMERS, VCBS AND OIL FILTERATIONS REPLACEMENTS OF OTHER CONNECTED ITEMS INSTALLED AT ARMY AREA UNDER GE (W) COLABA

Amount

M & L for on line Centrifuging (filteration) of transformer oil incl checking initial and after filteration dielectric strength of oil for transformers installed at various locations in Colaba area under AGE E/M(West) with suitable machine having filteration, heating and pumping facility to improve the dielectric strength/insulation value of oil all as specified and directed by Engr - in- Charge. Note:- (i) Dielectric strength of oil after filteration/dehydration shall not be less than 50 KV. (ii) Oil for toping up shall be measured and paid for separately as supply only. (iii) The contractor will take shut down orders in writing before commencement of the work from Engr - in - Charge. (iv) The contractor shall ensure no wastage of transformer oil. (v) The contractor solely responsible for any damage to the transformer during filtration operations. He is responsible for making good any damage to the transfomer at his own cost without any extra cost to the department. (vi) The contractor shall ensure that the conservator tanks are full to its level before starting the dehydration. (vii) The di-electric strength of oil shall be tested before & after filtration. Test results shall be submitted to Engr-in-Charge.

Supply and filling of transformer oil, di electric strength not less than 60 KV, confirming to IS 335/1983 complete for the transformers installed at variuos locations under Colaba area all as specified and directed .

M & L for spray painting to indoor/outdoor type, step up/step down transformer of size 100KVA/160 KVA installed at different location of Colaba area under AGE E/M(West) , after scraping throughly the existing corroded paint/rust, filing of cavaties and applying two coats of heat resistant paint of approved quality of required colour and writing the details such as SM/MES No. etc. all as per specified and directed by Engr - in - Charge .

All as per Item No 03 above but for 200KVA/315 KVA

All as per Item No 03 above but for 400KVA/500 KVA

All as per Item No 03 above but for 1000 KVA

Excavating in trenches, n exc1.5 m wide and n exc 1.5 m indepth; for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc. nexc 10 sq m on plan and n exc 1.5 m in depth and getting out complete in soft/loose soil all as specified.

All as per sl. item No.07 above but in hard/dense soil.

Returning,filling in soft/loose soil including spreading, levelling, watering ,well ramming in layers n.exc 25 cm complete all as specified.

Removing of excavated material not exc. 50m away from starting point and depositing where directed at a level not exc. 1.5m above the starting point.in soft /loose soil

Supply and providing sand for sand cushioning for cable protection or filling in trenches of sand in cable ducts after cleaning of ducts all as directed and specified Note:. for the purpose of payment punned thickness will be measured.

Supply and providing unreinforced pre cast cement concrete cable cover for cable protection (Ready made Covers) of sizes Class LV type I, flat size 250x150x40 mm putting adjecent to each other as specified.

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 alumunium conductor cable of size 120 sqmm to 185 sqmm all as specified.

Supply and fix cable jointing kit for 11 KV (earthed) grade cable for straight through Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured alumunium conductor cable of size 120 sqmm to 185 sqmm all as specified.

Supply,laying in trench, in duct on wall,and testing in replacement for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts, grade cross sectional area 185 sq. mm X 3 core including taking out old U/S Cable all as specified and as directed.

Material & labour incl necessary tools and plants for detection of LT 1.1 KV underground cable fault at various location/spots by latest technology LT fault detection equipments & making the spot of cable fault complete all as specified and directed. Note : Earth work measured and paid separatly

Material & labour for cable jointing kit, in repair, for LT 1.1 KV grade cable for straight through joint M-Seal type for underground PVC/XLPE armoured heavy duty cable aluminum conductor of size 3.5/4 core 50 Sqmm complete including testing & commissioning complete all as specified and directed. Make: Raychem/3M/Mahindra and Mahindra.

All as per item No 17 above but cable 3.5/4 core 70 Sq mm

All as per item No 17 above but cable 3.5/4 core 95 Sq mm

All as per item No 17 above but cable 3.5/4 core 120 Sq mm

All as per item No 17 above but cable 3.5/4 core 185 Sq mm

All as per item No 17 above but cable 3.5/4 core 240 Sq mm

All as per item No 17 above but cable 3.5/4 core 300 Sq mm

Supply and fix for synthetic insulation Mat of size size 2m x lm x 19 mm all as specified

M & L for structural steel work confirming with 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 of redoxide primer, one under coat and one finishing coat of Synthetic Enamel paint all as specifeid and directed by Engr-in-charge.

Supply ,fixing ,testing and comissioning in repairs for MCCB 4 Pole, 415 V, Adjustable type, 160 Amps with breaking capacity 36 KA including making all electrical connections in existing system all as specified and directed .

Supply , installing ,testing and commissioning in repairs to old UNSV burnt APFC panel for new Automatic Power Factor Correction (APFC ) Panel for 3 phase, 415 Volts & 50 Hz system of capacity 50 KVAR alongwith connecting all electrical incomming and outgoing connections all as specified and directed

Supply and replace unserviceable, LV porcelain bushings/insulators, complete suitable for 100-500 KVA transformer indoor/outdoor type, step up/step down transformers of any make/model complete all as specified and directed.

All as per item No 28 above but for 750-2000 KVA transformer

Supply and replace unserviceable, HV porcelain bushings/insulators, complete suitable for 100-500 KVA transformer indoor/outdoor type, step up/step down transformers of any make/model complete all as specified and directed.

All as per item No 30 above but for 750-2000 KVA transformer

Supply only silica gel in air tight container suitable for dehydrating breathers of transformers.

Supply and fix in replacement silica gel container/breather transparent type including connecting with rubberrised gasket suitable for transformer of any capacity and testing complete all as directed. Note:- Silica gel shall be measured & paid for separately under respective item of this schedule.

Dismantling and drawout Vaccum Ciruit Breaker from encloure by carefully and checking ,burnt portion/parts ,servicingand repairing and tasting complete reset and realliginment of VCB as mentioned bellow : (i) Removal of old grease and regreasing the same parts for smooth functioning . (ii) Checking of arcing contacts and gap between fixed and moving contacts. (iii) Checking and repairs to reset mechnisum,triping of breaker through pushbutton,through protection realese. (iv) Checking presence and proper tightening of hardware and circlips . (v) Cleaning of all moisture and dust from breaker by terpentile/petrol and making good

Dismantling and drawout SF6 Ciruit Breaker from encloure by carefully and checking ,burnt portion/parts ,servicingand repairing and testing complete reset and realliginment of SF6 Ciruit Breaker including Bus coupler as mentioned bellow : (SUBSTATION No.1) (i) Removal of old grease and regreasing the same parts for smooth functioning . (ii) Checking of arcing contacts and gap between fixed and moving contacts. (iii) Checking and repairs to reset mechnisum,triping of breaker through pushbutton,through protection realese. (iv) Checking presence and proper tightening of hardware and circlips . (v) Cleaning of all moisture and dust from breaker by terpentile/petrol and making good. (vi) Checking and repairs Relays calibrating it for smooth funtiong.

Dismantling and taking out the existing unsv Buchholz Relay (GOR1) assembly and supply and fix of new Buchholz Relay assembly suitable for any make of 750 KVA transformer all as specified and directed.

M&L in repairs earth continuity conductor or main earthing lead fixed to wall or recess or chases or buried in ground or drawn in GI pipe or fixed to poles or any other indicated situation for loop earthing etc. as required including clamping jointing complete of size 32 x 6 mm galvanised iron stip all as diretced .

Supply and lay graded coarse aggregate of 63mm/40mm size underneath of transformer yard all as specified and directed.

Supply and lay graded coarse aggregate of 20mm size underneath of transformer yard all as specified and directed.

M&L for PCC 1:3:6 type C1 using 20mm grade stone aggregate as in transformer platform.

Taking down plastering on lathing (other than wire - netting), without removing lathing, in cement mortar from the existing transformer platform complete all as specified and directed.

M&L for rendering cement plaster 10mm thick 1:3, on fair faces of existing transformers platform complete all as specified and directed.

S&F in repair aluminium lugs duly crimped at end termination of Transformer/LT distribution panel connected with various sizes of cable including all allied works such as disconnecting cable from supply site, removing from gland, making equal length of each core of cable by necessary excavation/earth work fro extend extra length of Cable and refixing the same, testing complete all as specified and directed of 35 Sqmm Size

All as per item No 43 but for 50 Sqmm size

All as per item No 43 but for 70 Sqmm size

All as per item No 43 but for 95 Sqmm size

All as per item No 43 but for 120 Sqmm size

All as per item No 43 but for 150 Sqmm size

All as per item No 43 but for 240 Sqmm size

All as per item No 43 but for 300 Sqmm size

All as per item No 43 but for 400 Sqmm size

Supply, install ,testing and commissioning of factory made LT Panel board outdoor type made totally enclosed dust & vermin proof single opening with double leaf shutter duly hinged with locking arrangement made of MS angle iron frame work & CRCA sheet of 3.15 mm thick as per IS 5039, CPRI approved, duly painted with powder coated of approved shade over a coat of zinc chrome primer after min seven tank treatment process including numbering & lettering mounted on C channel of appropriate size. Neccessary holes shall be kept on the kiosk box for incoming and outgoing cable entry, all holes shall be provide with brass cable gland of apprppriate size. The feeder pillar box shall be suitable for 415 volts, 50Hz , 3 phase 4 wire system & shall comprise with suitable capacity aluminium TPN bus bar chamber having 3 phase 4 wire system fixed on porceilin insulator with suitable size PVC copper conductor and duly sleeved with 4 coloured heat shrinkable PVC sleeve, thimble & glands. the pannel board shall confirm as per IP 52 complete all as directed with foliowing accessories. (Note:-The cost of the PCC plateform deemed to be included in the qouted rates of above said item complete all as specified & directed).(Near CMP Office) Incoming (a) MCCB 4 pole,adjustable type, 415 Volts, 250 Amps, 35KA - 01 No. (b) Voltmeter digital type (c) Ammeter digital type (d) Phase indicator lamps (RYB) -set of 3 Outgoing: (a) MCCB 3 pole, adjustable type, 415 Volts, 160 Amps, 25 KA - 02 No. (b) MCCB 3 pole, adjustable type, 415 Volts, 100 Amps, 25 KA - 03 No. (c) MCB 3 pole, 415 Volts,40 Amps, 10 KA - 02 No. (d) MCB 2 pole, 415 Volts,20 Amps, 10 KA - 02 No. (e) CT 300/5 A, 03 Nos (f) Power Contactor (g) Analog Time switch

Supply, install ,testing and commissioning of factory made LT Panel board outdoor type made totally enclosed dust & vermin proof single opening with double leaf shutter duly hinged with locking arrangement made of MS angle iron frame work & CRCA sheet of 3.15 mm thick as per IS 5039, CPRI approved, duly painted with powder coated of approved shade over a coat of zinc chrome primer after min seven tank treatment process including numbering & lettering mounted on C channel of appropriate size. Neccessary holes shall be kept on the kiosk box for incoming and outgoing cable entry, all holes shall be provide with brass cable gland of apprppriate size. The feeder pillar box shall be suitable for 415 volts, 50Hz , 3 phase 4 wire system & shall comprise with suitable capacity aluminium TPN bus bar chamber having 3 phase 4 wire system fixed on porceilin insulator with suitable size PVC copper conductor and duly sleeved with 4 coloured heat shrinkable PVC sleeve, thimble & glands. the pannel board shall confirm as per IP 52 complete all as directed with foliowing accessories. (Note:-The cost of the PCC plateform deemed to be included in the qouted rates of above said item complete all as specified & directed). Incoming (a) MCCB 4 pole, adjustable type, 415 Volts, 250 Amps, 35KA - 01 No. (b) Voltmeter digital type (c) Ammeter digital type (d) Phase indicator lamps (RYB) -set of 3 Outgoing: (a) MCCB 3 pole, adjustable type, 415 Volts, 160 Amps, 25 KA - 02 No. (b) MCCB 3 pole, adjustable type, 415 Volts, 100 Amps, 25 KA - 03 No. (c) MCB 3 pole,adjustable type, 415 Volts,40 Amps, 10 KA - 02 No. (d) MCB 2 pole,adjustable type, 415 Volts,20 Amps, 10 KA - 02 No. (e) CT 300/5 A, 03 Nos (f) Power Contractor (g) Analog Time switch

Supply, install ,testing and commissioning of factory made LT Panel board outdoor type made totally enclosed dust & vermin proof single opening with double leaf shutter duly hinged with locking arrangement made of MS angle iron frame work & CRCA sheet of 3.15 mm thick as per IS 5039, CPRI approved, duly painted with powder coated of approved shade over a coat of zinc chrome primer after min seven tank treatment process including numbering & lettering mounted on C channel of appropriate size. Neccessary holes shall be kept on the kiosk box for incoming and outgoing cable entry, all holes shall be provide with brass cable gland of apprppriate size. The feeder pillar box shall be suitable for 415 volts, 50Hz , 3 phase 4 wire system & shall comprise with suitable capacity aluminium TPN bus bar chamber having 3 phase 4 wire system fixed on porceilin insulator with suitable size PVC copper conductor and duly sleeved with 4 coloured heat shrinkable PVC sleeve, thimble & glands. the pannel board shall confirm as per IP 52 complete all as directed with foliowing accessories. (Note:-The cost of the PCC plateform deemed to be included in the qouted rates of above said item complete all as specified & directed). Incoming (a) MCCB 4 pole,adjustable type, 415 Volts, 250 Amps, 35KA - 01 No. (b) Voltmeter digital type (c) Ammeter digital type (d) Phase indicator lamps (RYB) -set of 3 Outgoing: (a) MCCB 3 pole, adjustable type, 415 Volts, 160 Amps, 25 KA - 02 No. (b) MCCB 3 pole, adjustable type, 415 Volts, 100 Amps, 25 KA - 03 No. (c) MCB 3 pole, 415 Volts,40 Amps, 10 KA - 02 No. (d) MCB 2 pole, 415 Volts,20 Amps, 10 KA - 02 No. (e) CT 300/5 A, 03 Nos (f) Power Contractor (g) Analog Time switch

Cleaning the vegetation including glass, bushes small trees and all vegetation growth complete including digging out the root of bushes and small trees around the installation/sump/OH reservoir, valve chamber etc. filling the rough holes with earth and levelling the surfaces by removing all debris outside MD land complete all as specified and directed.

Earthing complete with GI earth plate electrode 60 cm X 60 cm X 6 mm thick, burried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.50 mtr below normal ground level connected to GI earth lead strip 32 x 6 mm dia by means of GI bolts, nuts, check nuts, washers made out of GI/steel, all as shown on electrical plate No3 of MES schedule part-I, earth lead strip connected to indicated position including concrete pit in PCC(1:3:6, C1),Precast RCC cover slab 55 cm x 55 cm x 5 cm with reinforcement of 8 mm dia bar 100 mm c/c bothways including one handle made of 12 mm dia MS bar embedded in pre cast slab and 20 mm bore galvanised iron pipe "medium grade" for watering with GI funnel and wire mess including charcoal and salt in alternate layers of 15 cm including necessary excavation and earth work in any type of soil complete all as specified and as directed and testing on completion.

OM SAI POWER SYSTEMS

ELECTRO ASSOCIATES