REPAIR / MAINT OF DISTRIBUTION SUB STATION, VCB PANEL DISTRIBUTION TRANSFORMERS, HT RMUS, HT UG CABLES INCLUDING SERVICING AND CALIBERATION OF RELAYS AT DOLPHIN HILLS AND OTHER ALLIED AREAS UNDER AGE E/M NO.I OF GE (U-I) (V)

Amount

Excavation in trenches in hard/dense soil not exceeding 1.5 Mtr in wide and not exc. 1.5m in depth for taking out / laying of under ground cable in trenches or cable ducts all complete all as specified.

Returning, filling in including spreading, levelling, watering and well ramming in layers, not exceeding 25 cm thick in soil after repairing / jointing and laying and testing of cables complete all as specified

Removing surplus soil to a distance not exceeding 50 Mtr and deposited at a level not exceeding 1.5 mtr above from the starting point complete all as specified

M&L natural river sand as cushioning of cables including spreading and punning down all as per clause No 19.75 of SSR part -I all as specified. Note : Punned thickness shall be measured for payment purpose.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mmHV class with 'ELECTRIC' embossed on the top side in trenches along the electric cable as protection all complete as specified and directed.

Supply and lay fly ash brick of size 200x100x80mm locallly available as protection of cable in trenches complete all as specifed and as directed by Engineer in charge

M&L Cutting the tarmac / hard standings and excavating in trenches across the road with a size not exceeding 0.45 mtr wide and 0.6 depth for laying cable including making good the excavated portion by means of PCC 1:3:6, type C1 using 20mm graded aggregates matching with the surroundings all as directed.

M&L for 100mm dia GI pipe medium grade galvanised for cable protection and sealing both ends including taking out old pipe complete all as specified. MAKES : TATA/JINDAL/UTKARSH / SURYA ROSHINI

Taking down or out existing cable of following sizes XLPE conductor from the trenches / ducts/ along walls / poles / through poles / under roads/ inside sub station including segregation the serviceable cable by cutting down defective portion after testing by meggar (insulation tester ) , stacking and rolling unserviceable cable for further disposal all as directed by Engineer in charge. (Note: Earthwork required shall be measured and paid separately)

240/185 Sqmm 3 core 11KV grade

300/240/185 Sqmm 3.5 core 1.1 KV grade

150/120/95 sqmm 3.5 Core 1.1 KV grade

70/50/35 sqmm 3.5 Core 1.1 KV grade

25/15/10/6 Sqmm 4 core 1.1 KV grade

Relaying only serviceable cable obtained from taking out in same or new location or through cable ducts inside sub station of following sizes in trenches / ducts / along walls / poles / under road etc all complete as specified and directed. (Note: Earthwork if required shall be measured and paid separately)

240/185 SQmm 3 core 11KV grade

300/240/185 Sqmm 3.5 core 1.1 KV grade

150/120/95 sqmm 3.5 Core 1.1 KV grade

70/50/35 sqmm 3.5 Core 1.1 KV grade

25/15/10/6 Sqmm 4 core 1.1 KV grade

Supplying, laying, testing and commissioning XLPE insulated , armoured heavy duty electric power cables (heavyduty) with aluminium conductor, Earthed of following sizes laid in trenches / passing through pipe / duct/ road crossing /fixed on poles / walls Complete all as specified and directed. MAKE: Havells / Gloster / KEI Industries Ltd / Polycab / Asian Cables / Finolex [Note: The rate quoted shall inclusive of termination at ends with suitable aluminium lugs where required]

240 Sqmm 3 core 11KV grade

185 Sqmm 3 core 11KV grade

300 Sqmm 3.5 core 1.1 KV grade

240 Sqmm 3.5 core 1.1 KV grade

185 Sqmm 3.5 core 1.1 KV grade

150 sqmm 3.5 Core 1.1 KV grade

120 sqmm 3.5 Core 1.1 KV grade

95 sqmm 3.5 Core 1.1 KV grade

70 sqmm 3.5 Core 1.1 KV grade

50 sqmm 3.5 Core 1.1 KV grade

35 sqmm 3.5 Core 1.1 KV grade

25 Sqmm 4 core 1.1 KV grade

16 Sqmm 4 core 1.1 KV grade

10 Sqmm 4 core 1.1 KV grade

Supply and replace heat shrink type Straight through Cable jointing kit for Earthed XLPE armoured aluminium conductor complete with jointing material and accessories suitable for following cable sizes and grade all complete as specified and directed. Make : Raychem / Denson/ 3M.

240 SQmm 3 core 11KV grade

185 SQmm 3 core 11KV grade

300/240 Sqmm 3.5 core 1.1 KV grade

185/150 Sqmm 3.5 core 1.1 KV grade

70/95/120 sqmm 3.5 Core 1.1 KV grade

25/35/50 sqmm 3.5 Core 1.1 KV grade

6/10/16 Sqmm 4 core 1.1 KV grade

Supply & replace 630 A 4 Pole MCCB, 65 KA, 415V, 50 Hz, AC supply, Ics=100% Icu, adjustable Overload 80-100%, thermal megnatic release mechanism including necessary cable lugs & wire etc complete all as specified and directed. MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells

Supply & replace 400 A 4 Pole MCCB, 50 KA, 415V, 50 Hz, AC supply, Ics=100% Icu, adjustable Overload 80-100%, thermal megnatic release mechanism including necessary cable lugs & wire etc complete all as specified and directed. MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

Supply & replace 400 A 3 Pole MCCB, 50 KA, 415V, 50 Hz, AC supply, Ics=100% Icu, adjustable Overload 80-100%, thermal megnatic release mechanism including necessary cable lugs & wire etc complete all as specified and directed. MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

- ditto - all as per item No. 15.00 above but of capacity 250 A 4 pole MCCB, Icu=35/36 KA, MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

- ditto - all as per item No. 15.00 above but of capacity 250 A 3 pole MCCB, Icu = 35/36 KA , .MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells/Standard

- ditto - all as per item No. 15.00 above but of capacity 200 A 3 pole MCCB, Icu = 26 KA, MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

- ditto - all as per item No. 15.00 above but of capacity 125 A 3 pole MCCB, Icu = 18 KA ,. MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

- ditto - all as per item No. 15.00 above but of capacity 80 A 3 pole MCCB, Icu = 18 KA ,. MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

- ditto - all as per item No. 15.00 above but of capacity 63 A TP MCCB, Icu = 18 KA, . MAKES : Legrand / Seimens / ABB/C&S/ L&T / Havells /Standard

M & L for Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, all complete as specified and described.

Dismantling Existing earthing and providing new new maintenance free chemical earthing complete with 40mm X 3000mm advance chemical earthing pipe with (Strip in pipe Technology) with 50 kg of back fill compound buried directly in ground (Rocky soil) with earth pit not less than 2.5 Mtr deep below the normal ground level with top edge of plate not less than 1.5 Mtr below normal GL connected to existing copper strip as earth strip by means of SS bolts,nuts,check nuts and washers all as per IS 3043-1987 all as specified or indicated including testig on completion and as directed.The earth resistance shall be measured using fall of potential method as per Para 37 of IS:3043 & combined resistance should be less than 1 Ohms. NOTE:- The unit rate shall be deemed to include for Excavation & Earth work in any type of soil,PCC (1:3:6) type chamber,RCC 1:2:4 type B-1 cover 50mm thick reinforced with 8mm dia CTD Bars@75mm c/c both ways,MS handle 12mm dia and funnel.

Supply and replace Dry cell type maintenance free battery 12 V 180 AH all complete as specified and directed (Make : Exide/Amaron/Amco/Multimax)

Supply and replace Dry cell type maintenance free battery 12 V 130 AH all complete as specified and directed (Make : Exide/Amaraon/Amco/Multimax)

M&L for PCC 1:4:8 type D2 using 40 mm graded aggregate as in foundation complete all as specified and directed.

M&L for PCC 1:3:6 type C1 with 20 mm graded aggregate for coping of poles and stay including form work complete all as specified and directed.

Supply & replace digital type Ammeter 96X96 mm square Flush mounted case of class 1.0 MAKE : AE / IMP / MECO / MEI / HPL

Supply & replace digital type Voltmeter 0-500V, 96X96 mm square Flush mounted case of class 1.0 MAKE : AE / IMP / MECO / MEI / HPL

Supply & replace CT 200 - / 5A 433 volt for ammeter MAKE : AE / IMP / MECO / MEI / HPL

M&L Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick, buried directly and preferably vertically in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to galavanised earth strip 32x6mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3, connected to earthing point of outdoor panel boards all as specified including earth work and excavation in any type of soil, PCC 1:3:6 type C1 chamber & RCC 1:2:4 type B1 cover 40mm thick, with 8mm dia steel deformed (TMT bars) reinforcement at 150mm c/c both ways, 20mm dia GI medium grade pipe for watering , water funnel, complete all as specified and testing on completion.

Supply and replace P.V.C insulated single core flexible 2.5sqmm copper cable for instrument wiring all as specified and directed by Engineer in charge Make : Plaza/Finolex/Polycab/Havells

Supply and replace power contactor, 3 pole, current rating AC3=40A, AC1 = 55A, 415 V, 50Hz, with integrated auxiliary contactor including necessary wiring, complete all as specified and as directed by Engineer in charge. Make : L&T /Legrand / Siemens / Schnider / ABB

Supply and replace contactor, 3 pole, current rating 415 V, AC3=80A, AC1 = 100A, 50Hz, with integrated auxiliary contactor including necessary wiring, complete all as specified and as directed by Engineer in charge. Make : L&T/ Legrand / Siemens / Schnider / ABB

Supply and replace contactor 3 pole, current ratings AC3=110A, AC1 = 160A, 415 V, 50Hz, with inbuilt auxiliary contactor as required, including necessarry wiring, complete all as specified and as directed by Engineer in charge. Make : L&T MNX/ Legrand / Siemens / Schnider / ABB

Supply and fix of 2.5 sqmm 3 core PVC insulated flexible copper conductor wire drawn through MS pole/PVC conduit or as indicated in other locations complete all as directed by Engineer in charge. Make : Finolex / Havells / POLYCAB

Supply and replace aluminium lugs suitable for 240 Sqmm to 300 sqmm LT UG Cable including nuts, bolts and washers complete all as specified and as directed. Make : Sona cable sockets / swastic / Dowells

All as per item No 37 above but for 150 Sqmm to 185 Sqmm Make : Sona cable sockets / swastic / Dowells

All as per item No 37 above but for 95 Sqmm to 120 Sqmm Make : Sona cable sockets / swastic / Dowells

All as per item No 37 above but for 50 Sqmm to 70 Sqmm Make : Sona cable sockets / swastic / Dowells

All as per item No 37 above but for 25 Sqmm to 35 Sqmm Make : Sona cable sockets / swastic / Dowells

All as per item No 37 above but for 16 Sqmm Make : Sona cable sockets / swastic / Dowells

Supply and replace AC/DC digital clamp meter with Ac Current: 2a, 20a, 200a, 400a (Auto Ranging), Ac Voltage: 2v, 20v, 200v, 600v (Auto Ranging), Resistance: 200, 2k, 20k, 200k, 2m, 20m (Auto Ranging), Functions: Data Hold, Audible Continuity, Diode Test, Jaw Opening: 25 Mm (Max) all complete as speciied and directed. Make : MECO

Supply & Replace On Load Change over switch 400 Amps 4 Pole , 415 Volts, open construction/closed construction as required at site all complete as specified and driected. Make : Standard / Havells/C&S/Indoasian/HPL/L&T

Supply & Replace On Load Change over switch 250 Amps 4 Pole, 415 Volts, , open construction/closed construction as required at site all complete as specified and driected. Make : Standard / Havells/C&S/Indoasian/HPL/L&T

Supply & Replace On Load Change over switch 100 Amps 4 Pole, 415 Volts, , open construction/closed construction as required at site all complete as specified and driected. Make : Standard / Havells/C&S/Indoasian/HPL/L&T

M & L for painting to metal surfaces at various locations complete with 2 coats of synthetic enamel paint over a coat of red oxide primer after cleaning the old painted surface with scraping complete all as specified and directed

Supply & fix PVC electrical insulation tape, industrial grade ISI marked multicolor all complete as specified and directed.

Supply & fix high voltage HT electrical insulation tape, self bonding/fusing, industrial grade ISI marked of size 38mm x 9.15 x 0.75mm, operating temperature 90 degree celcius applicable for voltage upto 36KV, 9Mtr long roll all as specified and directed

M&L for 80mm dia GI pipe light grade galvanised for cable protection and sealing both ends including taking out old pipe complete all as specified. MAKES : TATA/JINDAL/UTKARSH / SURYA ROSHINI

M&L for 50mm dia GI pipe light grade galvanised for cable protection and sealing both ends including taking out old pipe complete all as specified. MAKES : TATA/JINDAL/UTKARSH / SURYA ROSHINI

M & L for caliberation of relays of any type settings of 11 KV switch gears, VCBs/RMUs etc as per the requirements of the power supply distribution, CT rattings, for smooth functioning and in connection with incomming power supply, APEPDCL settings, Testing of all the trip functions of the relays after final current settings by simulating fault current by CT secondary injection test set , rectification of defects in control wiring for proper tripping of CB during actual system fault conduction through relay & Tripping coil all complete as specified and directed. Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out onsite with testing equipments in presence of Engr-in-Charge by Qualified , Licenced personal and test results shall be signed both by the contractor and Engineer -in-Charge and kept on recording to the satisfaction of the Department.

M & L for shifting Transformer of capacity 200 KVA ~ 750KVA from its position at any substation at Dolphin Hill under AGE EM -I using cranes after disconnecting all the cables from HV/LV sides, securing the cable ends properly by insulating covering material, detaching all the earthing connections, transporting it to workshop for repair and transporting it back to the substation at Dolphin Hill and re-instating the transformer including all the cable connection, earthing connection , after doing insulation resistance test and restoring the electric supply as before all complete as specified and directed.

M & L for re-winding of HT 11/0.433 KV distribution transformer of capacity 200 ~ 750 KVA of any make by opening the Transformer core, HV/LV windings, Insulating strips safely, inspecting the damaged winding , and re-winding the HV/LV winding with new copper wires of same guagewith new DPC insulation to the copper conductor , heating the core chamber to a suitable operating temperature etc as directed by Engr-in-charge, and assembling the cores, windings etc in the transformer completely all complete as specified.

Supply and replace the following spares suitable for 400 to 1250 Amps,11KV HT switch gear VCB's and 11 KV HT panel repair work under relevant Schedule

a) CTs epoxy cast wound primary CTs with minimum primary current 100-200 A, single/ double ratio, double core (Protection core-5P10 & Metering core- Class 1.0), 25 KA for 1 sec of 15 VA minimum Burden.

b) Shunt trip coil 110 V DC/220 V DC with assembly

c) Breaker control switch

d) Busbar Spout

e) Circuit spout

f) Control circuit fuses 2 A to 63 A

g) HRC fuse (PT HT side)

h) Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 1/0.5 with RS485 port for communication in Modbus protocol. Make : L&T, Conzerve, HPL

i) 110 Volt DC closing coil assembly

j) Push to trip knob R/Y/B assembly

k) Ratchet wheel

l) VCB charging powl

m) Shutters for racking shaft

n) Bus bar support insulator for VCB panel

o) Trpping coil 110 V DC (PC VCB spares)

p) Closing coil 110 V DC (PC VCB spares)

q) Spring charging motor with gear box Univarsal motor with gear box 230 AC/DC 110V AC/DC

r) Rectfiers of suitable capacity and rating

s) Vacuum Interruptor Type VG2

t) Breaker Auxiliary switch

u) Micro switch Assembly

v) Release coil 110 V DC

w) Spring charging Motor with Gear Box

x) 3 Ph B/B Spout Assy for 1250 A,40 KA-660

y) 1250A finger type Isolating contact

z) Rack/Rack out handle-Motor Spring charging handle

aa) Limit switch 1NO + 1NC-service/Test position

S & replace battery charger 24 V , 5A-20A operation range , 90-270VAC all complete as specified and directed. Make : Amararaja

S & replace battery 12V , 90AH dry cell maintainance free operation all complete as specified and directed. (Make : Exide/Amaron/Amco/Multimax)

Supply and replace power contactor, 325Amps MCX 41 4Pole Contactor 415V + 2NO 2NC Contact, Conforming to IS / IEC 60947-4-1 & IEC 60947-4-13 all complete as specified and described. Make : L&T/ Schneider/Legrand/ABB

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO

M/S CHANDRA ENGINEERS AND CONTRACTORS

UV POWER TECH

SRIESWARI ENTERPRISES