REPAIRS/REPLACEMENT OF HT UG CABLES, LT PANELS, APFC PANELS AT RCI GE I RND RCI, HYDERABAD

Amount

(a) MCCB, 4P, 400 Amps, 35KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 01 No

(b) MCCB, 4P, 100 Amps, 16KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 12 Nos

(c) MCCB, 4P, 63 Amps, 16KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 04 Nos Make of MCCBs: ABB(T-Max) SIEMENS(3VT)/LEGRAND (DPX)/L&T (D-SIN)/ SCHNEIDER(NSX)

(d) Single unit digital type Ammeter of range 0-400 Amps with CTs and voltmeter of range 0-500 volts conforms to relevent IS specification -1 set Make : AE/IMP/MECO/L&T/SIEMENS

(e) LED type indicator lamps red, yellow and blue -1 set Make : AEI/IMP/MECO/L&T/SIEMENS

(a) MCCB, 4P, 400 Amp, 35KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 01 No

(b) MCCB, 4P, 100 Amp, 16KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 10 No

(c) MCCB, 4P, 63 Amp, 16KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz at 415 volt, conforms to IEC -60947-II/ IS-13947-II - 06 No Make of MCCBs: ABB(T-Max) SIEMENS(3VT)/LEGRAND (DPX)/L&T (D-SIN)/ SCHNEIDER(NSX)

(d) Single unit digital type Ammeter of range 0-400 Amps with CTs and voltmeter of range 0-500 volts conforms to relevent IS specification -1 set Make : AE/IMP/MECO/L&T/SIEMENS

(e) LED type indicator lamps red, yellow and blue -1 set Make : AEI/IMP/MECO/L&T/SIEMENS

S&F, LT automatic power factor shunt capacitors, All Poly Propelene (APP) box type, heavy duty, rectangular in shape, conform to IEC 831-1 with total losses not more than 0.25W/KVAR for 3 phase, 440 Volts, 50 Hz system in the power factor capacitor panel board with suitable fixing arrangement including connection with suitable copper cables and testing including taking down the unserviceable power factor capacitors of different capacities from the capacitor panel board complete all as specified and directed. Make: L&T/Capco/Neptune

S&F, LT automatic power factor shunt capacitors, Cylindrical type, heavy duty, conform to IEC 831-1 with total losses not more than 0.25W/KVAR for 3 phase, 440 Volts, 50 Hz system in the power factor capacitor panel board with suitable fixing arrangement including connection with suitable copper cables and testing including taking down the unserviceable power factor capacitors of different capacities from the capacitor panel board complete all as specified and directed. Make: L&T/Capco/Neptune Note for Sl item No 3 & 4 : Copper cables, thimbles shall be measured and paid seperately under respective items.

S&F, capacitor duty contactors for 25 KVAR ratings of capacitors including necessary electric connections and testing including dismantling unserviceable/ burnt thyristors/ power contactors from the power factor capacitor panel boards complete all as specified and directed. Make : L&T/C&S/BCH/ABB

S&F, power factor control relay (APFC) 12 step including necessary electric connections and testing including dismantling unserviceable power factor control relay (APFC) 12 step, from the power factor capacitor panel boards, complete all as specified and directed. Make: L&T/Neptune/EPCOS

Dismantling unserviceable/ burnt electric wiring from the power factor capacitor panel boards, cleaning the panel with CTC to remove the carbon deposits, rewiring of control circuit of the panel boards with suitable size of PVC insulated, sheathed, stranded copper cable of 2.5/4.0/6.0/10 Sq mm/existing size, including provision of suitable copper lugs, bolts, nuts, washers etc., complete including electric connections and testing complete all as specified and directed. Make of cable : KEI/FINOLEX/HAVELLS/GLOSTER

S&F, 50 Sq mm size PVC insulated, unsheathed, single core industrial copper cable (flexible), 1100 Volt grade, conforms to IS: 694, ISI marked, in the panel boards including necessary electric connections and testing including taking down unserviceable/ burnt electric cables connected with capacitors, complete all as specified and directed. Make: Havells/Plaza/Finolex/Gloster

All as per item No.8 above but 35 sq mm

S&F in repairs, copper lugs suitable for 50 Sq mm size cable Make : DOWELLS/JOHNSON/COMET

All as per item No. 10 above but 35 Sq mm size cable

S&F, push buttons with 1 NO / 1 NC, screw type for operation of capacitors all as per sample available at sub stations including necessary electric connections and testing including dismantling unserviceable push buttons (start/stop button) from the power factor capacitor panel boards complete all as specified and directed.

Checking of APFC panels/capcitors bank panels, servicing of the same, cleaning of the switch gears, busbars with CTC to remove the carbon deposits, checking the connections, functioning of the components such as capacitors, contactors, switch gears etc, disconnecting and removing of burnt out cable end portions, crimping with new suitable lugs, removing of burnt out thyristors reconnecting back and testing complete for maintaining efficient power factor at the sub station all as directed by Engineer-in-Chrage. Note : Checking of APFC panel shall be inspected by the rep of OEMs of L&T/Neptune/Epcos only.

Supply, laying, jointing, testing and commissioning of HT XLPE insulated, 11000 volts grade(Earthed), cross sectional area 3 core 95 Sqmm, heavy duty, electric power cables, with aluminium conductor, conductor screen extruded semi conducting compound in combination with copper tape, extruded PVC inner sheath with fillers, galvanised flat strip armoured and overall PVC sheathed, suitable for earthed system confirming to IS: 7098 part-II/2011 with latest amendments, laid in trenches/ducts, /passing through pipe/duct/ road crossing or fixed on poles, walls, panels with suitable size clamps made out of mild steel flat iron including jointing material such as lugs, cable, glands etc., including testing on completion and including taking out old unserviceable cable complete all as specified and directed. Make : RPG/KEI/Havells/Gloster/CCI Note : Excavation and Earthwork will be measured and paid separately.

All as per item No. 14 above but cross sectional area 3 core, 120 Sqmm.

Excavation in trenches not exceeding 1.50m wide and not exceeding 1.50m depth for foundation, for laying of pipes/cables etc., and not exceeding 10Sqm on plan and getting out in soft/loose soil complete all as specified and directed.

M&L, Sand filling with clean, dry and sieved fine sand, unwashed including gently punning around cables, after the cables are laid in trenches for cable protection all as specified and directed. Note : Punned thickness only will be measured for payment.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each layer as in soil complete all as specified and as directed.

Removal of excavated soil to a distance not exceeding 50 mtrs and deposited where directed at a level not exceeding 1.5mtrs above the starting point all as directed.

Supply and lay in trenches un-reinforced pre-cast concrete cable covers, class HV, type-I, flat, size 300mm x 180mm x 40mm with ISI mark complete all as specified and directed.

S&F, MCCB, 3 pole, 400 Amps, 35KA rupturing capacity with adjustable thermal and magnetic settings, 50 Hz, at 415 volts conforms to IEC -60947-II/ IS-13947-II including provision of copper cable/ extended terminals of suitable ratings from MCCBs to busbar and connection of LT cables with MCCBs with suitable size aluminium lugs including taking down unserviceable MCCBs from panel board complete all as specified and directed. Make : ABB(T-MAX)/SIEMENS(3VT)/ LEGRAND(DPX) /L&t/(D-Sin)/SCHNEIDER (NSX)

All as per item No. 21 above but 320 Amps, 35KA

All as per item No. 21 above but 250 Amps, 35KA

All as per item No. 21 above but 200 Amps, 35KA

All as per item No. 21 above but 160 Amps, 35KA

All as per item No. 21 above but 125 Amps, 16 KA

All as per item No. 21 above but 100 Amps,16 KA

All as per item No. 21 above but 63 Amps,16 KA

S&F, synthetic rubber matting of size 1m x 2m, 2.5mm thick to resist 1100/440 volts grade voltage, ISI marked including taking down unserviceable mat complete all as specified and directed by Engineer -in-Charge

S&F, synthetic rubber matting of size 1m x 2m, 3mm thick to resist 11000 volts grade voltage, ISI marked including taking down unserviceable mat complete all as specified and directed by Engineer -in-Charge

S&F, digital type ammeter, 96mm x 96 mm square type suiitable for three phase supply with suitable capacity CTs including electric connection and testing including taking out unserviceable ammeter from LT panel board complete all as specified and directed Make : L&T/AE/MECO/SIEMENS

S&F, analog type ammeter 600/5 to 1000/5 ratio suitable for three phase supply with suitable capacity of CTs including connection and testing including taking out unserviceable analogue type ammeter from the panel board complete all as specified and directed Make:AE/MECO/L&T/SIEMENS

S&F, 3 Phase LED digital type volt meter of 0-500 volt range including electric connection and testing including taking out unserviceable voltmeter from LT panel board complete all as specified and directed. Make: L&T/AE/MECO/SIEMENS

S&F, LED indicating lamps of red/yellow/ blue/green /Amber with bulbs including connection & testing including laying out old unserviceable indicator lamps from the panel board complete all as specified and directed. Make : AEI/IMP/MECO/L&T/SIEMENS

S&F, Switch Disconnector Fuse unit, 250 Amps capacity, cubicle type, panel mounting, open execution with three fuses, DIN type, confirming to IS:13947 (Part I & III) triple Pole & Neutral, 415V, 50 Hz including connecting and testing including taking down the burnt out unserviceable fuse units complete all as specified and directed. Make : ENGLISH ELECTRCALS/L&T/STANDARD/ Havells.

All as per item No. 36 above but 125 Amps capacity

All as per item No. 36 above but 63 Amps capacity

Dismantling unserviceable/ burnt electric wiring from panel boards, rewiring the panel boards with suitable size of PVC insulated, sheathed, stranded copper cable of 2.5/4.0/6.0/10Sqmm including provision of necessary lugs, bolts, nuts, washers etc., including electric connections and testing complete all as specified and directed. Make : KEI/FINOLEX/HAVELLS/GLOSTER

Disconnecting the electric supply to the panel boards, Cleaning and removing the carbon deposits in the panel board, bus bar with CTC/CRC, tightning of nuts, bolts and replacement of unserviceable lugs, bolts, nuts, washers etc complete all as directed.

S&F, ON load changeover switch, 400 Amps, 4 pole, 415 volts, 50 Hz, side handled in SS enclosure includidng making connection and testing including taking out burntout old change over switch from the existing position complete all as directed. Make : Standard/Havells/ABB/L&T/SIEMENS

All as per item No 41 above but 250 Amps

All as per item No 41 above but 125 Amps

S&F, Single Phase LED Ammeter making connections and testing including taking out burntout digital ammeter from the panel complete all as directed. Make : CONZERV/PYOKDVS/ENERCON

All as per item No. 44 above but Digital voltmeter Make : CONZERV/PYOKDVS/ENERCON

Complete removal of existing paint from chain link fencing of 11 KV substation protection switch yard and main step down station (132/11 KV) protection switch yard including all connected MS channel and applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and directed.

S&F, 3 pole power contactor, 140 Amps current rating 415 Volts, 50 Hz including taking out unserviceable/ burntout power contactor from the existing position complete all as directed. Make : L&T, Model No MNX140 or equivalent model in Havells/C&S

All as per item No 47 above but 95 Amps

All as per item No 47 above but 70 Amps

All as per item No 47 above but 25 Amps

Supply and spread 20mm graded stone aggregate in layers inside the substation switching yard including levelling, ramming complete all as specified and directed.

Disconnecting and taking out LT ACB draw out type of 630/800/1000 Amps capacity of any make from the existing LT panel boards and overhauling the ACBs including cleaning of contacts, removing the carbon deposits, conditioning of spring charge mechanism, taking down all defective acessories, repair/ replacement of earth fault release, over current release, trip coil, under voltage coil etc, repair/overhauling of draw out mechanism, greasing and lubricating all moving and fixed parts, removing dusts in the ACBs by means of air blowers including refixing and reconnecting the ACBs in the panel board and testing complete all as specified and directed.

All as per Sl item No. 52 above but 1250/ 1600/ 2000/ 2500 Amps capacity. Notes for Sl item No.52 & 53 : (i) Replacement of unserviceable spare parts will be measured and paid for seperately. (ii) Any other spare parts which have not covered in the relevent items but are required to make the ACB in functional condition are deemed to be included in the quoted unit rate. (iii) Cost of labour element for supply only items hereinafter shall be deemed to be included in quoted rate.

Supply only shunt trip coil of any of the following ratings suitable for ACBs of capacities 630 to 2500 Amps :- (a) 24-30 V DC (b) 110V AC/DC (c) 240V AC/DC (d) 415 V AC.

Supply only closing coil of any of the following ratings suitable for ACBs of capacities 630 to 2500 Amps :- (a) 24-30 V DC (b) 110V AC/DC (c) 240V AC/DC (d) 415 V AC.

Supply only under voltage trip device with time relay (0-1-3-5 sec) of any of the following ratings suitable for ACBs of capacities 630 to 2500 Amps :- (a) 24-30 V DC (b) 110V AC (c) 415 V AC (d) 240 V AC .

Supply only ON/OFF buttons for ACBs of rating 630 to 2500 Amps.

Supply only spring charge induction switch for ACBs rating 630 to 2500 Amps.

Supply only trip induction switch in ACBs of rating 630 to 2500 Amps.

Supply only position induction switch in ACBs of rating 630 to 2500 Amps.

Supply only draw out position lock in ACBs of rating 1000 to 2000 Amps.

Supply only arc chutes suitable for ACBs of rating 630 to 2000 Amps.

Supply only charging motors 110 Volt AC/DC or 220 volt AC/DC suitable for ACBs of rating 630 to 1000 Amps.

Supply only 6 way secondary isolating contacts suitable for rating 630 to 2000 Amps.

Supply only moving arcing contacts suitable for ACBs of rating 800 to 1600 Amps.

Supply only auxillary contacts (4 NO + 4 NC) suitable for ACBs of rating 800 to 1600 Amps.

Supply only earth fault release, type EFI/EF2 suitable for ACBs of rating 630 to 2500 Amps.

Supply only safety shutter assembly suitable for ACBs of rating 630 to 1600 Amps.

Supply only main isolating contacts (jaw contacts) suitable for ACBs of rating 630 to 1600 Amps.

Supply only main fixed contacts (upper terminals) suitable for ACBs of rating 630 to 800 Amps.

M&L, Earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25m deep below the normal ground level) with top edge of plate not less than 1.5m below normal ground level connected to GI strip 25x4mm as earth lead by means of bolts, nuts, washers and check nuts made out of galvanised iron or steel all as shown on Electrical Plate No. 3 of SSR Part-I including testing on completion complete all as specified and directed. Notes : i) The unit rate shall also include for earth work in any type of soil, PCC 1:3:6 type C1 chamber, 50mm thick RCC 1:2:4 type B-1 using 20mm graded stone aggregate cover slab reinforced with 6 Nos of 8mm dia TMT bars both ways, funnel with watering pipe 20mm dia medium grade, GI protection pipe medium grade 40mm dia and wire mesh complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub-heading earthing, specified on Sl Page No. 422 of SSR Part-II. ii) Earthing lead beyond 7.5m will be measured and paid separately.

M&L, Earth continuity conductor or main earthing lead of size 25x4mm galvanised iron strip, fixed to wall on battern or recess or chases or burried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation all as directed.

Supply, jointing and testing of cable jointing kit for 11 KV (Earthed) grade cable for outdoor type (Heat shrinkable) complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm including necessary earth work, cutting and taking out existing unserviceable/burnt out HT cable end joint complete all as specified and directed.

All as per Serial item No 73 above but suitable for cable size 95 Sqmm, 3core.

Supply, jointing and testing of cable jointing kit for 11 KV (Earthed) grade cable for straight through termination (Heat shrinkable) complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm including necessary earth work, cutting and taking out existing unserviceable/burnt out cable joint complete all as specified and directed.

All as per item No 75 above but suitable for cable size 95 Sqmm, 3 Core. Make for Serial Item Nos. 73 to 76 : RAYCHEM/M-SEAL /DENSON/3M.

Removing the unserviceable LT UG cable and supply, laying, jointing, testing and commissioning LT XLPE insulated, screened, PVC bedded, galvanised steel strip, armoured, heavy duty, electric cables of cross sectional area 3.5 Core 185 sqmm, 1100 volts grade with multistranded aluminium conductor laid in trenches/Passing through pipe/duct/road crossing or fixed on pole, walls with suitable size clamps made out of mild steel flat iron including jointing material such as lugs, brass cable glands, heavy type double compression type etc complete all as specified and directed. Note : Excavation and Earth work will be measured and paid separately. Make : RPG/KEI/HAVELLS/GLOSTER/CCI

M/S GDR CONSTRUCTIONS

vvcenterprises

Shreshta Associates