WBPHED/EE/AMD/ NIeT-47of 2024-2025/1

Amount

Transformer Repairing and Installation Portion:-

Atfirst dismantling 400 KVA & 500 KVA indoor type, oil cooled transformer from existing position atfer taking shut-down from IPCL end & disconnection of the transformer from H.V. & L.V. side with proper protection by engaging skilled Electrician, removing all jointing/termination Kit as per direction of EIC.

Conveying existing 750 KVA, indoor type, oil cooled transformer from CWR side to existing transformer's shed by using hydra with skilled labour for protecting this from any damaged, this cost included with labour & crane/hydra also loading unloading charge as per direction of EIC.

Supply of Transformer oil as per IS:335(1993) specification in a sealed drum.(Make:-Servo/Transol/Power oil/approved make)

Supply of all kinds of Gaskets, Oil seals & conical rubber washer for 11/0.433KV, 750 KVA indoor type transformer.

Atfirst rubbing the surface to remove rust from the 750 KVA transformer's body by using emery paper, sand grinder etc, then blow up the all dirt, dust etc from the surface of transformer, next painted with good quality red oxide primer, after drying this two coat of enamel paint as per direction.

Drain out the old transformer oil from the transfomer up to the bottom level keep the same in an empty drum including supply of empty drum as per direction.(1234 Ltrs approx.) (For 2 Nos of Transformer 500 KVA & 750 KVA)

Atfirst loosening of cover bolts then removing of Top cover, Inspection cover, H.V. & L.V. Bushings, with conservator tank to cleaning the insides like Cores, Windings etc & removing all damaged gaskets/Oil seals from 750 KVA transformer as per direction, Placing the top cover and inspection cover in proper position and tightening of nuts and bolts after replacing all kinds of gasket & conical rubber washer at L.V. & H.V. terminal point with hot oil through filter machine for 750 KVA transformer as per direction of EIC.

Filling the transformer oil through filter machine by old oil and new supply oil after filtration to the Transformer engaging skilled and unskilled personnel for increasing IR value as per direction including hire charges of oil filter machine and oil testing equipment and 5 KVA DG set and carraige the same from and back as per direction of EIC.(For 500 KVA & 750 KVA)

Old cable with drawing from existing masonry trench in between LT PDB to Transformer Shed also stored at godown.(Cable size-3.5 Core X 185 Sqmm)

Supply and delivery of 3 ½ core X 300 Sqmm Aluminum Armoured, XLPE insulated 1.1 K.V. grade cable,conforming to IS 7098(I) as per direction of EIC.(Make:-Gloster/Mescab/Polycab/other approved in vendor list.)

Laying of one cable 3½ Core X 300 Sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand. (From LT PDB to 750 KVA Transformer)(Extra 50 Mtr Cable Supplied departmentally)

Heat shrinkable kit for 11 KV, Earthed, 3 Core X 185 Sqmm H.T. Cable.(Make-Raychem/Other approved make)

Supply of Silica Gel.

Finishing the end of 3½ Core X 300 Sqmm XLPE armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 3½ Core X 300 Sqmm.

Earthing for 2 Nos transformer (750 KVA, 500 KVA) and VCB/HT Breaker .(6 Nos Earth Pit)

Installation of above said Transformer (500 KVA & 750 KVA, Indoor Type, Oil Cooled) on the foundation, then making both H.T. & L.T. Cables termination, with supplied 11 KV(E) heat shrinkable kit, VCB to H.V. Sides Terminal of Transfomer & L.T. sides of transformer to LT PDB Panel's incomer which are installed simultaneously on concrete base, whole work should be done by skilled technician as per direction of EIC.

Cable laying Portion(From LT PDB Panel to LT MCC panel of lowlift):-

Supply and delivery of 3 ½ core X 300 Sqmm Aluminum Armoured, XLPE insulated 1.1 K.V. grade cable,conforming to IS 7098(I) as per direction of EIC.(Make:-Gloster/Mescab/Polycab/other approved in vendor list.)

Jungle cutting, cleaning compound premises or shrubs, plants, jungles etc. by cutting and removingas directed.(Specific permission of Engineer in Charge prior to execution will be necessary)(To cleaning cable laying route)

Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night.

Laying of one No. cable 3½ Core X 300 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed.

Atfirst removing plain cement concrete from the road ( Approx 4 Mtr.X1 Mtr.X0.15 Mtr.) then excavating soil from trench( Approx 4 Mtr.X 1.5 Mtr. X 0.5 Mtr.) then brick soiling the bottom of the trench and make a 4 inch thick PCC over it, next make a brick work to separating cables through it and also make an 6 inch PCC over this brick work to complete the Road as per direction.

Atfirst cutting 10 ft. G.I. pipe through its length by hand grinder then cover it where cable is open to sourroundings( Near Culvert ) then fitting 3 Nos 5/6 inch G.I. clamp (3 nos Per pipe) to binding it in proper manner, then PCC at both end as per requirement to fixed it as per direction.(Pipe Supplied By Our Civil Counter Part)

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :3½ Core X 300 sqmm.

Finishing of the 3½ Core X 300 Sqmm, XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.(For Sub-Station incomer and LT MCC Panel incomer)

VCB Repairing and wiring Portion:-

Over current relay,Vr=24-240 V AC,50/60 Hz, Iin=1A/5A, SW Version 7D Manual.(Make-Schneider, Model-Micom,P111)

Auxiliary Relay for HT Breaker, 110 Volt, DC, 50 Hz.(Make-Alstom SA, Model No-VAA33ZG8338BCH)

Atfirst removing damaged P-III relay from the VCB panel (1 OG+1I/C) and auxiliary relay then fitting & fixing new one and also checking whole parameters are functioning well as per direction.

LT PDB Repairing Portion:-

Lamp blocks with integraded RED LED lamps,230 VAC, 50 Hz.(Make-ABB, Model No-MLBL-07R)

Lamp blocks with integraded Yellow LED lamps, 230 VAC, 50 Hz. (Make-ABB, Model No-MLBL-07YN)

Lamp blocks with integraded Green LED lamps, 230VAC, 50 Hz.(Make-ABB, Model No-MLBL-07G)

Lamp blocks with integraded Blue LED lamps, 230 VAC, 50 Hz.(Make-ABB, Model No-MLBL-07L)

Atfirst removing damaged Voltmeter, ammeter and indicating lamp from existing LT PDB Panel then fitting & fixing new one, and check all parameters as per direction of EIC.

Changing of configuration of existing LT PDB panel, where 800 Amp ACB act as a outgoing & its transformed into incoming from 750 KVA Transfomer, and incoming MCCB transformed in outgoing, by rectification of Busbar with whole control & Power circuit, also eliminate buscoupler system this may increase panel efficiency as per direction of EIC.

LT MCC Panel Rectification Portion:-

Transportation of the 800 Amp ACB From Ratibati W/S Scheme to Surjanagar Low lift by hired vehicles including loading and unloading on both the end as per direction.(Above 20 KM Upto 30 KM)

Lamp blocks with integraded RED LED lamps,230 VAC, 50 Hz.(Make-ABB, Model No-MLBL-07R)

Lamp blocks with integraded Yellow LED lamps, 230 VAC, 50 Hz. (Make-ABB, Model No-MLBL-07YN)

Lamp blocks with integraded Green LED lamps, 230VAC, 50 Hz.(Make-ABB, Model No-MLBL-07G)

Multifunction Energy meter with NextGen features like Harmonics & Min/Max Monitoring, Digital security Energy Standard – Class-1.0 as per IEC 62053-22/21, Power quality analysis with THD & individual harmonics upto, 15th over communication, 13 different wiring configuration scheme, Volts, Amps,PF,THD,F,W,Wh, VA, VAh,Var, Varh, Runhrs,Onhrs,Interupts, Pre-loaded Demand & Import / Export Min / Max Monitoring with Date / Time stamping, Calibration LED and Heart beat LED for communication Status, Communication: POP or RS485 port.(Make-Schneider, Model No-EM6400NG+)

32 Amp AC-3 rating, 415 V, 50 Hz, Power contactor 220-230 VAC Coil Voltage, with 1 NO Contact.(Make-ABB, Model No-AX32-30-10)

Over current relay with range 5-60 Amp, locked rotor & phase loss protection.(Make-BCH, Model No-BOCR DS360)

1.5 Sqmm PVC insulated(Un-sheathed) FR-LSH Cu wire single core multi strand 1.1 KV grade as per IS:694.(Make-Mescab)(One Coil=180 mtr.)(For Control Circuit)

6 Sqmm PVC insulated(Un-sheathed) FR-LSH Cu wire single core multi strand 1.1 KV grade as per IS:694.(Make-Mescab)(One coil=100 mtrs.)(For Power Circuit)

6 & 1.5 Sqmm copper socket pin/Thumb type, PVC sleeve, MCB channel, cable tie etc for whole erection materials for the installations as per requirement.(10 Nos Starter Feeder)

At first remove the damaged manual motor starter switch, power contactor etc from the existing panel after disconnection of all power line.Then fixing the above supplied materials at same place, then making power & control circuit wiring through out the panel work must be done by Experienced electrician and wholly satisfaction of EIC.

Atfirst removing old 630 Amp ACB( Drawout Type) from existing place after taking shut down from Substation also stored in Godown with proper safety also disconnection of all power and control cable.

Supply of Copper busbar/Electrolytic copper plate as per 25mm X 3 mm & 50 mm X 10 mm size.(Make-Reputed)

Supply of H.T. Nuts & Bolts with washer as per M 10 X 50 & M 10 X 30 format as per direction of EIC.

Supply of PVC Heat shrinkable tube (80 mm).(Make-Reputed)

Supply of 50 mm X 50 mm X 6 mm M.S. angle.

Installation of 800 Amp ACB in the place of 630 Amp ACB, by doing changing of configuration of Cabinet, busbar arrangement, also making drawout mechanism & whole power and control circuit in incomer with measuring display as per proper guidance of EIC.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :3½ Core X 300 sqmm.

Finishing of the 3½ Core X 300 Sqmm, XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.(For LT MCC panel & LT PDB Panel Out Going)

G.S.M. Panel Withdrawing and New MCC Panel Installation Portion:-

Transportation of the LT MCC Panel From Pansuli W/S Scheme to Surjanagar Low lift by hired vehicles including loading and unloading on both the end as per direction.(65 KM)

Atfirst removing damaged/Non-Functional GSM Panel from existing place then installation of LT MCC panel at this place, by making concrete foundation, attached with all earthing as per direction of EIC.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :3½ Core X 150 sqmm.

Finishing of the 3½ Core X 150 Sqmm,XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.(For LT MCC panel)

High Lift Pump House Electrical powerline Rectification Portion:-

Supply of 630 Amp, 415V, TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc, spacious sheet steel enclosure, separate cable gland box not required, terminal shrouds on both sides and phase barriers included, conforms to IEC 60947-3, IS/IEC 60947-3, suitable for DIN fuse-link, door interlock & padlock facility incl. S & F 3 nos. DIN type HRC fuse-630 Amps rating.(Make-L & T, FN 630 TPN, Cat No-SK90492 + Fuse Unit Cat No-SF94437/ Other approved make)(In Pump House)

Supply of 50 mm X 12 mm Size Aluminium Flat.(Make-Reputed)

Supply of H.T. Nuts & Bolts with washer as per M 10 X 50 & M 10 X 30 format as per direction of EIC.

Supply of PVC Heat shrinkable tube (80 mm).(Make-Reputed)

Earthing for 2 Nos SFU, Busbar-2 Nos & 5 Nos Centrifugal Pump .(9 Nos Earth Pit)

Analog voltmeter, Class 1.5, 500V AC, 96 x 96 mm size, showed True RMS voltage measurement Available in 300V and 500V, Non-Linear Scale Knife Edge Pointer Grey Lexan Housing Class 1.0 accuracy, Panel mounted.(Make-Selec Model No-AM-V-3-L/Other Approved Make)

Analog ammeter without dial plate, Class 1.5, 5A AC, 96 x 96 mm size, True RMS current measurement, Class 1.5 accuracy, Available with 6 times suppression, Scale interchangeability, Non-Linear Scale , Knife Edge Pointer, Grey Lexan Housing, Panel mount + Scale Plate 96 x 96 mm for 600A rating.(Make-Selec, Model No-SCL-AM-I-3-600/5A+AM-I-3-5A-WD)/Other Approved Make)

Bus bar type, resin cast Current Transformer, primary current 600 A, secondary 5 VA, CL-1.0.(Make-Rishabh, Model No-XR01(100/100V/45)/Other Approved Make)

Installation of 630 Amp SFU with all accessories, doing all powerline connections from Sub-station building to SFU to Busbar, by socketing, gland packing & relaying of Spattered cable in the pump by Saddling/Clamping in proper manner, whole complete as per direction of EIC.

VCB Room Wiring Portion:-

450 mm Sweep exhaust fan 220V-240 V,50 Hz, Single phase.(Make:-Approved Make)

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required-2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC.

Fixing only exhaust fan after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust of following diameter:45 cm (18").

MCB Enclosure 2-way.

Supplying and fixing 10 Amp, 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection.(Make-Havells)

Testing & Commissioning the whole electrical works by powering themselves checking all parameters its applicable for sub-station, LT MCC Panel and High Lift Starter as per direction of EIC.

Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. a) In ground floor including roof

Ordinary Cement Concrete (mix 1:1.5:3) with graded stone chips (20 mm Nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) Pakur variety.

Jungle cutting, cleaning compound premises or shrubs, plants, jungles etc. by cutting and removingas directed.(Specific permission of Engineer in Charge prior to execution will be necessary.(To Cleaning the High Lift and Sub-Station Premises)

Add GST @ 18%

Add CESS @ 1%

M/s. SOMA ENTERPRISE (BID ID -6155711)

EASTERN INDIA SALES AND SERVICE (BID ID -6176048)

ELECTRICAL AND MECHANICAL ENGINEERING CORPORATION (BID ID -6174434)