Replacement of Power Supply Arrangement to 430 V PCC Panel of 100 TPD M-II Plant - Migrations from ASEB and 1000 KVA STG to 11 MW CPP HT-201 Panel-24 AT APL NAMRUP

Supply, Installation, Fixing, Testing and commissioning of 4 MVA, 6.6 kV / 3.3 kV, ONAN, Dyn11, with OLTC, complete with all protections (Buchholz, OTI, WTI, PRV, OLTC Buchholz, oil level low alarm, etc.)ype with Tap Changing Fascility Isolation Transformer (4 Star Category, BIS Level-2, Copper Wound) with Transformer Pad / Foundation @ min. height 480 mm from FGLfor CPP power suplly to PCC Panel of M-II plant with proper lug, complete earthing with sufficient quantities of 3 Meter Length CI/GI Earth Pipe & Copper Earth Strip and Neutral earthing with GI strip of size: 50 x 6mm with the proper Standard Size of Transformer Foundation (Pad Mounted) with making of Zero Step Potential and having Rain Shed and Fencing barrication over the Transformer. Make: Schneider Electric,VOLTAMP, Crompton Greaves. Civil foundation/Base frame @ minimum height of 560 mm from FGL as reqd is in the scope of Contractor.All materials are under the scope of the contractor.The transformer shall be first filled by folllowing brand:Transformer Oil “APAR”(Power Oil) strictly conforming to IS335:1983 with latest amendment 1&2 having dielectric strength 50/60 KV at the time of filling by the refinery, packed in steel hermetically seal and non-returnable barrel each containing 209 Ltrs. bearing IS mark & isopropyl alcohol treated, EHV grade.The TRANSFORMER shanll be manufactured OEM's factory ONLY. The Transformer shall be manufactured as per the specification mentioned in Tender

Supply, Installation, Fixing, Testing and commissioning of outdoor type NGR of following rating Rated Voltage: 3.3 /√3, Rated Short Time Current/Duration : 100A for 30 Sec, Current 100 Amp, Resistance : 9.05 Ω

Supply, Installation, Fixing, Testing and commissioning (as list attached) of indoor 6.6 kV ICOG HT Floor Mounted, Cubicle Type Transformer Feeder Panel(Panel-1), epoxy powder coated, enclosed with spacious sheet steel enclosure with 01 No. 1250 A VCB, with REF615 relay configured for: inrush detection, non directional earth fault (high & low stage), non directional overcurrent (high & low stage), Buchholz trip/alarm, OTI/WTI trip/alarm, PRV alarm/trip, OLTC Buchholz, oil level low alarm.There should be DC Power Pack in the Panel board to supply DC Supply to the Tripping as well as Closing Circuit including relay as and when required, since no DC source is avaible in the area. Panel Board should be CPRI Approved having Alluminium Bus Bar as per the rated current, made out of 2 mm (14SWG) good quality Sheet Steel Enclosure along with 7 tank facility powder coated paint of Siemens Grey Colour, the board should be of cubicle pedestral type and mounted on base frame on cable trench.All base frame work is in the scope of Vendor.The panel shall be as per proper IS Standard as directed and as per the intruction of Engineer In-Charge. 1. The panel shall be manufactured such that Vacuum Interrupter, VCB, Numerical Relay & AIS panel shall be of the same make : ABB, Schneider or Siemens..The panel shanll be manufactured in OEM's factory ONLY. The panel shall be manufactured as per the specification mentioned in Tender

Supply, Installation, Fixing, Testing and commissioning (as list attached) of indoor 3.3 kV Floor Mounted Cubicle Type HT Swtchgear Panel with 02 Nos. 2000 Amp VCB Panel as I/C, 01 No 2000 Amp VCB Panel as Bus-Coupler and 02 Nos 1250 Amp VCB O/G Transformer Feeder (Panel-2) as per Annexure-I.The panel shall be manufactured such that Vacuum Interrupter, VCB, Numerical Relay & AIS panel shall be of the same make : ABB, Schneider or Siemens.The panel shanll be manufactured in OEM's factory ONLY. The panel shall be manufactured as per the specification mentioned in Tender

Supply,Laying , Termination, Clamping, Testing and Commissioning (as list attached) of the following size 6.6 KV(UE), XLPE Insulated, Armoured "KEI"/"POLYCAB" Brand stranded compact circular Alluminium Conductor, Conductor Screen with extruded semi conducting Compound, XLPE insulated, Insulation screening with extruded semi compounding compound in combination with copper tape(0.18 kA for 1 Sec), Al round strip Armoured and Overall PVC sheathed CableConforming to IS 7098/ Part-II 1985 with latest amendments with the excavation of the Cable Trenchs and caution it by sand & brick and laying the cable through it from different panels and Isolation Transformers, Termination/Energization/Jointing of Cable For Power Supply to different panels, Isolation Transformers for CPP Power Supply to the 100 TPD M-II including supply and fixing of stainless steel pipe in the road crossing / alluminium/ lead strip number tags for each Cable, supply and applying of fireproofing paint to meet the OISD requirement (for 01 meter length near termination), supply and fixing of GI saddles and saddle bar if required, including transportation from store / yard to site at the place of installation, unpacking including labour and materials as per the approved drawings and directions of the Engineer In-Charge. All materials are in the scope of contractor.

Specification: 1C × 630 sqmm, 6.6 kV (UE) XLPE Aluminium Armoured Cable

Supply of 1ore HT XLPE 630 sqmm 6.6kV(UE) Al Armoured Cable

Laying of 1ore HT XLPE 630 sqmm 6.6kV(UE) Al Armoured Cable

Supply and Installation End Termination Kit (Heat Shrink)

Glanding & Lugging