AMRUT-Providing Additional Transformer 160 KVA at SKY WALK Sakthan Nagar- Division 35, Thrissur Corporation-General Electrical Work

Electrical

OD383489/2025-2026:Supply of Unitised sub-station -indoor-United Package Sub - station -LBSP - VCB MD -LBSP -160 KVA Transformer Installation, erection testing and commissioning of indoor type multi panel package, 11KV with 1 No. VCB as incomer and 2Nos - load break switch panels as outgoing and 1 Nos - 160 KVA Cast Resin copper wound Indoor Transformer 11KV/433 Volt. Incoming VCB:11KV, 630A,26.3kA Vaccum Circuit Breaker with trip coil 240 V D.C , Indoor resin cast 11KV CT, 10VA, 0.2s Class, Indoor resin cast core CT of 5P10, 15VA (Core 1), Class 1, 15VA (Core 2). Potential Transformer- 11KV/110V, Cl-0.2, Potential Transformer- 11KV/110V, Cl-1,Protection Devices - 3O/C+1E/F with trip Digital Ammeter, Voltmeter, Indication lamps. Outgoing: 2Nos.11KV, 26.2 KA, 1sec, 630A load break switch with HT HRC fuses, shunt trip coil of 230V AC, On-Off indication lamp. The AB SFU should have provision for XLPE Cable connection and should have suitable rating HT HRC Fuses, and Output of the AB SFU connected to 11KV Seal Off Bushing of transformer, One LBS output Bus bar in connected to attached 160 KVA, 3phase,11KV /433 Volt Copper wound Cast Resin type indoor transformer with all standard accessories.

OD383491/2025-2026:Design fabrication, supply, installation, erection testing and commissioning of MCCB panel cubicle type fully compartmentalised dust tight, vermin proof L.T. Switch boards fabricated out of 1.626 mm thickness CRCA sheet for panel boards, powder coated as per standards and having appropriate rating busbars & earth bus and of approved shade. The busbars should be of suitably rated TPN Aluminium having the specified normal and short circuit capacities and should be insulated with heat shrinkable colour coded PVC sleeves and supported by DMC/SMC pillar/finger type busbar supports. Design and fabrication of the switch boards should be as per standards of State electrical inspectorate, K.S.E.B, and Bureau of Indian standards. The board shall be completed with earth bus of adequate capacity and double earth connection to all switches. Internal rigid connection etc. complete with hinged doors, name plates, heavy duty rubber gaskets, removable gland plates. Aluminium anodised Danger Notice Board of size 150 x 100 mm (Cable entry according to site conditions). Power Control Center Panel Incoming : 2 Nos -315 A,4p,36kA,Microprocessor type MCCB with 3O/C,1E/F inbuilt release, shunt trip coil, 1Nos. - EFR with CT. Bus coupler: 315A,4p,36kA MCCB . Outgoings : 2 Nos - 250A, 36kA, TP MCCB, 2Nos -160A,36kA,TPN MCCB. Indication lamps with fuse 2set, Multifunction meter with CT's- 2 Nos.The incoming 2 nos MCCB , and Bus coupler shall 3 lock and 2 key (Castle & Key) inter lock system. Also, Solar outgoing 160A MCCB and Bus coupler shall have Castle & Key inter lock.

OD383496/2025-2026:Design fabrication, supply, installation, erection testing and commissioning of MCCB panel cubicle type fully compartmentalised dust tight, vermin proof L.T. Switch boards fabricated out of 1.626 mm thickness CRCA sheet for panel boards, powder coated as per standards and having appropriate rating busbars & earth bus and of approved shade. The busbars should be of suitably rated TPN Aluminium having the specified normal and short circuit capacities and should be insulated with heat shrinkable colour coded PVC sleeves and supported by DMC/SMC pillar/finger type busbar supports. Design and fabrication of the switch boards should be as per standards of State electrical inspectorate, K.S.E.B, and Bureau of Indian standards. The board shall be completed with earth bus of adequate capacity and double earth connection to all switches. Internal rigid connection etc. complete with hinged doors, name plates, heavy duty rubber gaskets, removable gland plates. Aluminium anodised Danger Notice Board of size 150 x 100 mm (Cable entry according to site conditions). Generator split Panel :- Incoming side :1Nos - 400A, TPN Isolator, Outgoings:3 Nos - 250A,35kA TP MCCB, MFM with CT-1 set, R,Y,B Indication lamps-1 set

OD383495/2025-2026:Design fabrication, supply, installation, erection testing and commissioning of MCCB panel cubicle type fully compartmentalised dust tight, vermin proof L.T. Switch boards fabricated out of 1.626 mm thickness CRCA sheet for panel boards, powder coated as per standards and having appropriate rating busbars & earth bus and of approved shade. The busbars should be of suitably rated TPN Aluminium having the specified normal and short circuit capacities and should be insulated with heat shrinkable colour coded PVC sleeves and supported by DMC/SMC pillar/finger type busbar supports. Design and fabrication of the switch boards should be as per standards of State electrical inspectorate, K.S.E.B, and Bureau of Indian standards. The board shall be completed with earth bus of adequate capacity and double earth connection to all switches. Internal rigid connection etc. complete with hinged doors, name plates, heavy duty rubber gaskets, removable gland plates. Aluminium anodised Danger Notice Board of size 150 x 100 mm (Cable entry according to site conditions). SSB :-Incoming side: 1 Nos - 200 A TPN Isolator , Outgoing :1Nos - 125 A TP MCCB 36kA,5 Nos - 63A TP MCCB 36kA .RYB indicator - 1set,

OD383493/2025-2026:Supply, erection, testing and commissioning of 50 kVAR Power Factor Correction panel comprising of Incoming side: 1 Nos - 160A TP MCCB ,36 kA, APFC relay, indication lamps 3 Nos, Multifunctional D/M meter supply CT. Outgoing : 6A TP MCB-1No, 10A TP MCB-1No, 16A TP MCB-2Nos, 25A TP MCB- 2Nos, 32A TP MCB- 2Nos. With suitable MCB- 2Nos, 32A TP MCB- 2Nos. With suitable capacitors. and with,10A 2 way toggle switches ON-OFF push button, AC3 capacitor duty contractors with MCB's for each capacitors and control wiring complete with suitable busbar etc. as per standards in a free-standing, floor mounting cubicle type.

OD383499/2025-2026:Supply and providing 2.5 mm thick Elastometric fire retardant insulating mat as per IS 15652/2006 to with stand 11 KV dielectric strength of size 2 meter x 1 meter

OD383498/2025-2026:Supply and providing 2 mm thick Elastomeric fire retardant insulating mat as per IS 15652/2006 to withstand 3.3 KV dielectric strength of size 2 meter x 1 meter

OD383494/2025-2026:Supply and providing 5 Kg, Dry Chemical powder type Fire Extinguisher with hose and clamps including fixing it to wall as required.

90.12.9.7:Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench120/102.5 mm or nearest size

OD383490/2025-2026:Supply, installation & wiring of emergency OFF trip push button station for VCB with front glass and painted in RED colour including the cost of all materials.

OD383497/2025-2026:Supply, fitting of 40AH 12V Battery for VCB operation and Battery charging point

OD383488/2025-2026:All the Statutory payment remitted by the contractor, for obtaining energisation approval from the concerned authorities will be reimbersed in actual on producing the bill from concerned Electrical Department.