04/SEMCIII/WBPHED OF2022-23

Amount

PART- A (Pumping Machinery)

Suply, delivery at site and storage of axially split casing centrifugal pump with base plate, flexible coupling, coupling guard, foundation bolt etc. for Clear Water having the following specification and as detailed in the NIT. Capacity : 668 m3/hr. Total Head : 129 MWC Liquid to be handled : Clear Water No. of Stage : One Rated Speed (RPM) : 1500(Syn) Material of Construction of Pump Casing : WCB Impeller : BRONZE LTB2 Neck Ring : LTB5 Shaft : SS410 Shaft Sleeve : SS410

Supply, delivery at site and storage of Horizontal squirrel-cage TEFC HT induction motor rated at 6600 V ±10%, 50Hz ±5%, 3Ph, 1500 R.P.M.(syn.) of adequate capacity to match the pump at sl. no. 1) complete with coupling hub and all other accessories as per specification & Technical offer ( Rating not less than 375 KW)

Supply and delivery at storage Horizontal centrifugal vacuum pump set vacuum mm of HG 100 to 600 intake rate 65 to 8 m3hr suction and delivery 40mm x 40mm MOC Rotor-stainless steel, delivery casing- CI, shaft-Carbon Steel, sealing- gland packed with coupled 5H.P, IE-3 Horizontal Motor 1500RPM Syn fitted with Common Base Channel with complete set as per NIT specification.

Supply, Delivery & storage at site of vertical submersible dewatering pump of Discharge 20 m3/hr at Head 10 mtr with motor as per detail given in NIT.

Supply, delivery and storage at site manually operated Ductile Iron double flanged rising spindle 400 mm dia Sluice Valve as per IS : 14846 PN-1.0 and as per detail given in the NIT . :-( AT SUCTION SIDE OF PUMP)

Supply, delivery and storage at site DN 350mm Cast Steel Double Flanged single door swing check N.R.V with by pass arrangement Generally confirming to IS -5312 (Part-I) PN-1.6 and as per detail given in NIT (Test Certificate, Warranty Certificate to be submitted for Each valve at the time of delivery)

Supply, delivery and storage at site fabricated stee double flanged actuator operated butterfly valve generally conforming to IS13095, PN-1.6. and as per detail given in NIT.

DN 350 mm for Individul delivery

DN 600 mm for Common header

Supply ,Delivery & storage at site of Cast Iron double orifice air release valve of DN 150, PN 1.6 rating with isolating CIDF sluice valve as per relevent IS standard.

Supply ,Delivery & storage at site of CIDF non rinsing gate valve of DN 65, PN 1.0 rating for submersible dewatering pumps.

Supply ,Delivery & storage at site of CIDF non return valve of DN 65, PN 1.0 rating for delivery line submersible dewatering pumps

Supply, Delivery and Storage at site burdon type pressure gauge, 150 mm dia cast Aluminium Dial with, SS internal, DN 15 GI impulse line with three way cock.

Pressure gauge (0-16 kg/cm2) for individual delivery and common header

Compound gauge (-1 to +1 kg/cm2) for individual Suction line.

Supply, delivery at site and storage of pressure transmitter and level indicator complete with fitting and fixture as per specification and Technical offer & as follows.

Pressure transmitter for delivery side ( 0 – 16 Kg / cm2 ) for Each pump

Pressure transmitter for common delivery manifold (0 – 16 Kg / cm2)

Ultrasonic type continuous level measuring unit ( Radar Type) with provision of 4-20mA analogue signal, indicator & recorder for continuous level monitoring as well as relay output for sensing high, low, low-low level in suction sump in clear water reservoir (6m max. depth). The indicator should be SCADA Compatible.

Supply, Delivery and Storage at site , 16 kg/cm2 rating MS Pipes with required reducer , Flanges, Bends, Tees, Fittings,specials, nuts,bolts, gaskets etc. as reqd. to make the installation complete in all respect.

DN 400mm (thickness 8 mm) PN 1.0 rating ( for suction side of each pump

DN 350 (thickness 10 mm) PN 1.6 rating ( for delivery side of each pump

DN 600 mm(10mm thick) PN 1.6 rating for Common manifold & header

Supply, Delivery and Storage at site suitable M.S. Dismantling Joint.

DN 400 mm PN 1.0 rating ( for Suction side of Each pump)

DN 350 mm PN 1.6 rating ( for Delivery side of Each pump )

DN 600 mm PN 1.6 rating ( for Common header)

Supply, Delivery and Storage at site 40 mm dia, G.I Pipes (medium duty), Bends, sockets, Tees,fittings, and other specials,gasketsetc. As reqd. to make the piping arrangement of vacuum pump complete in all respect as per NIT. (For priming arrangement)

Supply, Delivery and Storage at site Suitable dia, G.S Pipes Bends, sockets, Tees, union fittings, and other specials, gasketsetc as per IS 1239 part-II. As reqd. to make the piping arrangement of Submersible dewatering pumping system complete in all respect as per NIT.

Supply, delivery at site and storage of electrically operated magnetic flow meter for installing on common header along with remote mount smart transmitter having rate indication, totalisation etc. as per details given in NIT. Clear water header line size DN 600 mm.

Supply delivery and storage of 7.5 MT capacity H.O.T. Crane with steel gantry Girder of approx Span 8.0 mtr. travel 30.0 mtr. and lift of 8.0 mtr. single girder construction H.O.T. over Head travelling crane complete with Indef brand triple spur gear chain pulley block . Gantry girder should be with 40 mm square M. S. bar used as rail for the crane for total length of 30x 2 = 60 mtrs. Suitable travel chain for long travel & cross travel arrangement along with lift chain are to be provided. The bay length shall be 8.0 mtr and supporting distance for the steel gantry girder shall be 5 mtrs. Approx. Suitable base plate and side insert plates are also to be provided. The crane shall be r class-I duty, indoor operation conforming to IS:807, IS:3177 and IS:3832. Test and guarantee certificate have to be supplied at the time of delivery.

Supply Delivery at site and storage of 375KW motor soft stater comprising of FCMA module with Vacuum Bypass device with C.T. and ammeter as per NIT specification. Rating of reactor to be calculated suitably and should be approved by the E.I.C.

Supply Delivery at site and storage of Fixed P.F. correction capacitor panel for improvement of P.F. of 6.6KV, 50Hz, 375KW Induction motor to 0.98(lag) comprising of 7.2KV suitably rated capacitor (to be approved by the E.I.C.), off load isolator, H.T. fuses, 0.2% Series reactor etc. as per direction of E.I.C.

Supply, delivery at site and storage of LT PDB cum MCC of 250 A capacity at the Pump House, suitable for operation at 415 Volt, ± 10%, 3 phase, 50Hz, ± 5%, A.C. system as per specification for operating of Actuators, Vacuum pump,dewatering pumps , illumination,ventilation flow equipments etc.

Supply, delivery at site and storage of 2 mm thick CRCA enclosed IP-55, LPBS for pumps conforming details specified in NIT.

Supply, delievry at site & storage of 2 mm thick CRCA enclosed IP-54, LPBs for motorized valves on pipe line conforming details specified in NIT.

Supply, delievry at site & storage of 2 mm thick CRCA enclosed IP-54, LPBs for Vacuum pump.

Supply, delievry at site & storage of 2 mm thick CRCA enclosed IP-54, LPBs for Dewatering pump.

Supply & delivery at site & storage of 110V, 100AH maintenance free type lead acid battery with battery charger & distribution board all housed in one 2mm thick floor mounted sheet steel enclosed panel. Charger made of solid state silicon controlled rectifier must have automatic float boost change over facility in compliance with NIT specification.

Supply, delivery and storage at site of vacuum operated gaseous Chlorination system of capacity 0-5 kg/hr ( 2 nos )along with all equipment, instrument and accessories pipes and as per technical specification given in NIT :

Suply, delivery at site and storage of Neutralization Pit with FRP Cover and lining as per detailed specification in NIT.

Supply, Delivery and storage at site 6.6 KV(U/E) Grade 3C x 300sq. mm. XLPE insulated Al. Armoured Cable conforming to IS7098 part-II of approved Make from five nos. H.T. outgoing feeder at sub-station to FCMA soft starter at pump house and interconnection between soft starter and motor Neutral side assembly in complience with NIT specification.

Supply, Delivery and storage at site of following 1.1 KV grade XLPE insulated Al.Ar Cable as per technical specification of NIT.

From two numbers transformer secondary side at substation to the two number incomers of 415V PDB , 1.1KV grade, 1 x 3.5 C x 120 sq mm Al. conductor, XLPE insulated armoured cable, 1 length per incomer i.e. total 2 lengths.

4 core 16 Sqmm 1.1 KV grade XLPE insulated Al.Ar Cable for lighting ,ventilation etc.

4C 10sq.mm 1.1 KV grade XLPE Al. Ar.Cable for Battery charger, valve Actuator etc (one length per feeder, total six feeders)

2C 6sq.mm 1.1KV grade XLPE Al. Ar. Cable for single phase power supply.

2C 2.5 sq.mm 1.1 KV grade PVC insulated stranded copper wire for lighting.

Supply, delivery at site and stroage of 1.1KV grade multicore (minimum 10 core) PVC insulated 2.5sq.mm stranded copper conductor armoured control cable conforming to NIT specification.

Supply delivery and storage at site indoor type heat Shrincable termination kit for 3 core 300 sqmm 6.6KV(U/E) XLPE Armoured cable.

Supply, delivery at site and stroage of earthing & lightning protection materials consisting of 2 x 65mm x 8mm main earth grid about 30Nos. 50mm dia x 3000 mm long GI pipe for earth electrode, 25mm x 4mm GI Flat for Lighting Protection & miscellaneous earthing materials conforming details specified in NIT .

Supply, delivery at site and storage of safety equipment like fire extinguishers, fire buckets, rubber mats, shock treatment chart and first aid box as per NIT with satisfaction of EIC and electrical inspector.

Supply, delivery at site and storage of electical equipments for internal lighting, exhaust fan, internal wiring etc for the pump house including Highbay and peripherial lighting as per NIT specification.

Part - B ( Sub-Station Equipments)

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

Supply, delivery at site and storage of oil immersed 33/6.9KV, 2500KVA, 3 Phase, 50 C/s with a vector group of Dyn-11, copper wound and fitted with OLTC transformer complete with all accessories including remote OLTC control panel in compliance with NIT Specification.

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 20 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, 800Amp 11 panel VCB, SCADA compatible switch board PDB complete with all CTs, PTs,Microprocessor based Relays & Meters in compliance with NIT Specification.

Supply, delivery at site and storage of oil immersed 6.9KV/0.433KV, 200 KVA 3Phase 50C/s with a vector group of Dyn-11, Level 2 transformer complete with all accessories in compliance with NIT Specification.

Supply, delivery at site and storage of sheet steel enclosed, floor mounted 415V SCADA compatible Power Distribution Board complete with all components in compliance with NIT Specification.

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, 240 sq.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 6.9/0.433KV Transformers.

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

1.1KV grade 3.5C 240sq.mm Cable from Transformer outgoing to PDB at sub-station and from PDB at Sub station to PDB cum MCC panel at pump house.

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

1.1KV grade 2C10sq.mm Cable for single phase AC & DC supply to instrumentation and supply to HT Panels and other loads.

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 complete as per NIT specifications and directions of EIC.

Part-C (Pumping Machinery)

Installation for clear Water Pumps and and other electromechanical items: Installation of all items as mentioned in Part -A: Supply Part forClear Water Pumping Installation including supply of all erection materials, pipe supports, valve supports etc as required for installation of Pumping Machinery, Cable Jointing Kits, Cable supports & Clamps etc. including laying of HT & LT cables through permanent cable trench on GI Rack / Tray, earthing & lightning protection as per IE Rules complete indoor & outdoor lightning installation work with all internal & external wiring to the entire satisfaction of EIC in compliance with NIT Specification. (Rate to include hire charges of generator, welding set, fuel, lubricants etc for completion of work.

Providing G.I Rack / Tray for laying of HT & LT cable inside the Pump Houseas per NIT specification

Painting of the installation by two coats of enamel paints (colour to be decided by purchaser) over a coat of primer as per NIT specification

High pressure testing of the 6.6 KV Starter, cable, earthing etc. by approved agency of Directorate of Electricity, Govt. of West Bengal and obtaining approval certificate from director of Electricity.

Commissioning of the entire installation as per NIT specification and direction of EIC

Operation of the entire installation of Pumping Station on 24 hours basis including guarding and maintenance for a period of 15 (Fifteen) months are to be provided with supply of skilled, semi-skilled and un-skilled personnel including watch & ward personnel from the date of commissioning in complicance with NIT specification. 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.

Part-D (Sub-Station)

Installation of all items as mentioned in Part-B 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)

Providing curb 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.

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 the cost of high pressure testing & relevant testing of 33 KV & 6.6KV HT switch board, transformers, Power Distribution board, cables, earthing etc. by approved agency of Directorate of Electricity, Govt. of West Bengal 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.

ORIENTAL ENGINEERING CO.

B T PROJECTS PRIVATE LIMITED