03/SEMCIII/WBPHED OF 2021-22

Amount

PART A

Supply, delivery at site and storage of sheet steel enclosed compartmentalized floor mounted dead front horizontal draw out type 36KV, 25KA 1250A VCB 4 Panel Switch Board complete with motorized spring charged operating mechanism, CTs, PTs, Micro Processor based Relays, Meters etc. including earthing switch or truck in compliance with NIT specification. The Panel should be SCADA Compatible.

Supply, delivery at site and storage of oil immersed 33/6.6KV 2500KVA 3 Phase, 50 C/s with a vector group of Dyn-11 and fitted with OLTC transformer complete with all accessories including remote OLTC control panel in compliance with NIT Specification. The Panel should be SCADA Compatible.

Supply, delivery at site and storage of sheet steel enclosed, floor mounted 6.6KV neutral grounding resistance box complete with 38 ohm formed stainless steel wire resistance suitable for carrying 100A for 10 sec. in compliance with NIT Specification.

Supply, delivery at site and storage of sheet steel enclosed compartmentalized, floor mounted dead front, horizontal draw out type 6.6KV VCB 7 panel switch board PDB complete with all CTs, PTs, Relays & Meters in compliance with NIT Specification..

Supply, delivery at site and storage of oil immersed 6.6KV/0.433KV, 160KVA 3Phase 50C/s with a vector group of Dyn-11 transformer complete with all accessories in compliance with NIT Specification.

Supply, delivery at site and storage of sheet steel enclosed, floor mounted 415V PDB complete with all components in compliance with NIT Specification.The Panel should be SCADA Compatible.

Supply, delivery at site and storage of 110V, 100AH maintenance free type lead acid battery with battery charger & distribution board in compliance with NIT Specification.

Supply, delivery at site and storage of 33KV(E) grade 3C, 240sq.mm XLPE insulated aluminium conductor armoured cable conforming to IS-7098 Part-II of approved make from Power Supply agency Panel Board to Incoming of HT Panel and from outgoing HT Panels to Transformers.

Supply, delivery at site and storage of 6.6KV(UE) grade 3C, 300sq.mm XLPE insulated Aluminium conductor Armoured cable conforming to IS:7098 Part-II of approved make from Secondary of 2500KVA transformer to 6.6KV Switch Board and from 6.6KV Switch Board to Intake Pump House.

Supply, delivery at site and storage of 6.6KV(UE) grade 3C 300sq.mm XLPE insulated Aluminium conductor Armoured Cable conforming to IS:7098 Part-II of approved make from 6.6KV Switch Board to 160KVA Transformer HT Side.

Supply, delivery at site and storage of 1.1KV grade XLPE insulated Al. Ar. Cables of following sizes.

1.1KV grade 3.5C 150sq.mm Cable from 160KVA Transformer LT side to Incomer of 415V PDB.

1.1KV grade 4C 16sq.mm Cable for Battery Charger, OLTC Panel and Lighting etc.

1.1KV grade 2C 6sq.mm Cable for single phase AC & DC supply to instrumentation and supply to HT Panels.

Supply, delivery at site and storage of 1.1KV grade multicore PVC insulated 2.5sq.mm stranded copper conductor armoured control cable.

Supply, delivery at site and storage of earthing and lightning protection materials conforming details specified in NIT.

Supply, delivery at site and storage of following Cable Termination Kits for Sub-Station.

Indoor type Heat shrinkable termination kit for 3Core 240Sq.mm 33KV (E) XLPEA Cable.

Indoor type Heat shrinkable termination kit for 3Core 300Sq.mm 6.6KV (UE) XLPEA Cable.

Supply, delivery at site and storage of ladder type cable tray for laying of power cable and GI perforated cable tray for laying of control cable at sub-station having proper MS Structural support.

Illumination of Sub-Station and its periphery in line to the technical specification with LED Lightings and exhaust fans, internal & external wiring with GI Couduit etc.

Supply, delivery at site and storage of safety equipment like fire extinguishers, fire buckets, rubber mats, shock treatment chart and first aid box completw.

Providing MS angle & removable chequered plate over the open portion of the cable trench inside the Sub-station after installation of the equipment in compliance with NIT Specification and as per direction of EIC & with a provision of lifting lug over the MS chequered plate.

Part B

Installation of all items as mentioned in Part-A including supply of all erection materials as required for cable termination with supply of jointing kits, cable supports and clamps etc. including laying of HT & LT Cables through permanent cable trench or directly burried under ground providing GI rack / tray, earthing & lightning protection as per IE Rules to the entire satisfaction of EIC in compliance with NIT specification. (Cost includes hires charges of generator, welding set, fuels, lubricants etc. for completion of work).

High pressure testing of the Sub-Station including relevant testing of 33KV cable, earthing etc. by approved agency of Directorate of Electricity, Govt. of West Bengal and obtaining approval certificate of Sub-Station from Directorate of Electricity as per direction and to the entire satisfaction of EIC.

Commissioning of the Sub-Station including 33 KV & 6.6KV HT switch board, 33KV/6.6KV & 6.6KV/0.433KV Transformers, Power Distribution board, Battery Charging System,cables, earthing & lightning arrestor etc. as per direction and to the entire satisfaction of EIC.

Operation of the entire installation of substation on 24 hours basis including guarding and maintenance for a period of 15 (fifteen) months (3months trial + 12months O & M) are to be provided with supply of skilled, semi-skilled and un-skilled personnel including watch & ward personnel from the date of commissioning. During maintenance period, supply of all consumable materials, sundries & lubricants are to be supplied. Charges of electrical energy during maintenance period will be borne by the Department.

Schedule testing as per ISS viz. (a) Relay testing & calibration. (b) Transformer oil testing and filtration. ( c) Breaker testing. (d) Panel testing (e) Safety equipment testing. (Including fire extinguisher, earthing, lighting arrester etc.) (Preventive maintenance)

ORIENTAL ENGINEERING CO.

B T PROJECTS PRIVATE LIMITED