WBPHED/SE/2023-24/MC-II/05

Amount

Pumping Station under Nandakumar Supply,delivery at site,storage,installation,testing and commissioning of Horizontal split casing centifugal pumps with all related acessories for clear water application at CWPS at GLR as per specifications in NIT with common base frame with coupling, coupling guard, foudation bolt etc. for both pump and motor and having the followin duty conditions. Detailed MOC certificate, Characteristic curves and all relevant test certificates are to be supplied at the time of delivery . The Head range for safe continuous operation of pump should be at least +10% to -25% of duty point. and the design life should be min 15 years. Suitable size Gleeserine type presure gauges at suction and delivery to be fitted Capacity 567 cum/hr; minm. Head 87 m (3W+3S)

Design,supply,delivery at site, storage,installation,testing and commissioning of suitable capacity horizontal foot mounted 415 V(+-10%) 4 pole squirrel cage induction motor of IE-4 suitable for the above clear water centrifugal pump sets at CWPS of capacity having min 25% margin over the BKW of the pump at duty point (Approx. 225 KW) and RPM 1500 (Syn.). Approx225 KW, 1500 RPM (Syn.)

Design, Supply, delivery at site & storage, installation, testing, commissioning of submersible centrifugal dewatering pump motor sets complete with control panel and level probes as per detail described in NIT spec. having the following duty condition:- Capacity 20 Cum/hr Head 14m complete with control panel and level probe,submersible cable etc.

Design,supply,delivery at site & storage,installation,testing, commissioning of the Gear operated CIDF rising spindle type sluice valves as per IS: 14846 (latest ammendmenr) for pump suction pipe line at GLR as per following sizes & rating having the following minimum nomenclature and as per NIT for local monitoring & control. Detailed MOC certificate and all relevant test certificates are to be supplied at the time of delivery DN 400 mm. PN 1.0 rating (Suction pipe line)

Design,supply,delivery at site & storage,installation,testing,commissioning of the electrical actuator operated (Actuator having in built starter) DI double flanged butterfly valve as per IS: 13095 (latest ammendment) as per NIT for pump delivery pipe line as per following sizes & rating having the following nomenclature for local monitoring & control For CWPS at Nandakumar IBS: The actuator should be scada compatible

(A)DN 350 mm. PN 1.6 rating (Delivery pipe line)

(B)DN 600 mm. PN 1.6 rating for common header

Design,supply,delivery at site & storage,installation,testing,commissioning of CIDF the non rising type sluice valve IS:5312 (latest ammendment) with counter flanges , fasteners and gaskets as per specifation for dewatering pupm for CWPS at Nandakumar pumping station. DN 65 mm. PN 10 rating for dewatering pump

Design,supply,delivery at site & storage,installation,testing,commissioning of CIDF swing check type non return valve as per IS 5312 with counter flanges, fastner and gaskets as per NIT specification.

DN 350 mm. PN 1.6 rating (Individual Delivery pipe line)

DN 600 mm. PN 1.6 rating for common header

DN 65 mm. PN 1.0 rating for dewatering pump

Design,supply,delivery at site&storage,installation,testing,commissioning of MS pipes flange,bends,tees,eccentric & enlarger, bell mouth fittings as per relevant IS Standard and as described in the NIT spec. and suitable for PN 16 rating for individual suction, delivery, recirculation delivery and common header for Pumps at following PS.

Design,supply,delivery at site & storage,installation,testing, commissioning of GI pipes , flanges, bends,tees, enlerge/reducer, fittings as per relevant IS standerd and suitable for PN 10 rating for individual delivery and common header for dewatering pump at following PS.

Suply, delivery storage, installation and commisioning at site 2mm thick CRCA sheet steel enclosed compartmentalised free standing floor mounted PDB cum MCC panel with IP54 degree of protection comprising 1 nos 4 pole extended drawout type 2000A incomer ACB sleeved aluminium busbars of 2000 A capacity with 6nos.non drawout 630A outgoing MCCB and 6 nos soft starters of 225 KW capacity for 6 nos clear water pumping machinery alongwith 8 nos. actuator feeders, 2 nos. Suitable capacity APFC panel etc. SCADA compatible epoxy based painting with powder coating method as detailed in the NIT specification. with all necessary protections as per PHE standard.The LT panel construction performance, testing and verification shall conform to (a) IS/IEC 61439-1: 2011 (Low-Voltage Switchgear and Control gear Assemblies - Part 1General Rules), b) IS/IEC 61439-2: 2011 (Low-voltage switchgear and control gear assemblies – Part 2: Power switchgear and control gear assemblies.

supply,delivery at site & storage,installation,testing,commissioning at GLR of ultrasonic level sensor compatible for remote sensing with min 20 m wire with dispaly unit and ethernet/RS 485 communication port and and commicable to PLC/SCADA system for measuring comtinuous level o water and logical operation of pumps

Design, Supply, delivery at site storage, installation, testing and commissioning of Mechanical float type level indicator with all accessories and board including perforated pipe complete as per technical specification for the reservoir sump pit.

Design, Supply, delivery at site & storage, installation, testing, commissioning of Rail mounted EOT crane complete with travelling trolley of 5T Capacity, Minimum, Span 9 m, Lift 12 m including structural beam and square bar (for longitudinal travel) as per drawing and technical requirements all complete as per NIT spec.

Suply, delivery at site and storage, installation, testing, commissioning of Electromagnetic flow meter with separate transmitter, 20M interconnecting cable for measuring flow of clear water. Flow sensing element shall have IP68 degree of protection. Flow meter shall be operated at 220V and shall have flow rate and flow totalisation and should be SCADA compatible. DN 600 mm. PN 1.6 rating for common header

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

Design, Supply, delivery at site & storage, installation, testing, commissioning of 2 mm thick CRCA enclosed IP-55, LPBS for pumps conforming details specified in NIT

Design,supply,delivery at site & storage,installation,testing, commissioning of following XLPE insulated armoured 1.1KV grade AL. conductor cablethrough permanent cable trench on GI Rack / Tray, earthing and lightning protection as per IE Rules to the entire satisfaction of EIC in compliance with NIT specification. (Cost includes hire charges of generator, welding set, fuels, lubricants etc. for completion of work Out goings (a)from MCC Panel to starter & from starter to 225 KW Motors. (b)for campus & street lighting and all other requirements (c)from MCC at PS to valve actuator and all other requirements. (d)Control cable 5C 2.5 sq mm 1.1 KV grade XLPE copper control cable. 10C 2.5 sq mm 1.1 KV grade XLPE copper control cable. 19C 2.5 sq mm 1.1 KV grade XLPE copper control cable.

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I suspenders including G.I bolt & nuts etc. 600 mm width x 50 mm depth X 2.0 mm thickness. 300 mm width x 62.5 mm depth X 2.0 mm thickness.

Chlorination system at Boosting station Design, Supply, delivery at site & storage, installation, testing, commissioning of (4 kg/hr) Vacuum type Chlorination system (1W + 1S) including 8 Chlorine tonner, Weight scale with capacity of two chlorine cylinders (1 ton each), Chlorine ejector, Utility water boosting pumps and motors with pipes, valves, fittings and specials in Chlorination Unit, Chiorine gas and solution pipes, valves, fittings and specials from ‘the chlorine building upto dosage points, Chlorine gas neutralization system including gas leakages detection system and gas collecting system and gas collecting hoods/ducts, Emergency shower and eye washer system, Automatic Changeover device with all connecting pipelines in Chlorination Unit, Chlorine leak absorption system, EOT monorail hoist with accessories in Chlorination Unit, all complete as per ,technical requirments.

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 & direction of EIC.

Design, Supply, delivery at site & storage, installation, testing, commissioning of safety equipment like fire extinguishers, fire buckets, rubber mats, shock treatment chart, first aid box complete as detailed in NIT specification.

Design, Supply, delivery at site & storage, installation, testing, commissioning of ventilation fan axial flow type, internal lighting, internal wiring, outdoor lighting, electrical equipment and XLPE / PVC insulated copper wire of different required size for above installation and earthing & lightning protection materials conforming details specified in NIT at pumping station.

OHR site of Nandakumar Block Chlorination system Design, Supply, delivery at site & storage, installation, testing, commissioning of (1Kg/Hr) Gascous Chiorinator (1 W+1S) including 4 nos. 100 kg baby cylinder in room complete with Chlorine ejector, Utility water boosting pumps and motors with pipes, valves, fittings and specials in Chlorination Unit, Chlorine gas and solution "pipes, valves, fittings and specials from the chlorine building upto dosage points, Chlorine gas neutralization system including gas leakages detection system and gas collecting system and gas collecting hoods/ducts, Emergency shower and eye washer system, Automatic Changeover device with all connecting pipelines in Chlorination Unit, Chlorine leak absorption system, EOT monorail hoist with accessories in Chlorination Unit, all complete as per technical requirments.

Design,Supply, delivery at site and storage of electrical equipments for internal lighting, internal wiring, outdoor lighting, earthing conforming details as per NIT spec and as per IE rules (a) Guard room (b) Chorination room (c) store room

(d) Yard lighting of OHR sites with with 50 AH Lithim battery Solar Street Lights (75 Wp Solar Panel, 12 Watt LED, 12.8 V – 30 AH Lithium Battery) and 5m GRP poles 10 nos .

Trial run and guarding of after commissioning pumping station at Nandakumar GLR as per NIT for 90 days.

Operation, Maintenance & Guarding of Pumping station, Yard lighting etc. which is include all items of this work by providing adequate manpower, skilled / unskilled in compliance to CPWD / CPHRRD guidelines as per NIT Specification.

Add: 18% GST

Add: 1% CESS

WEST BENGAL ENGINEERING CO.

B T PROJECTS PRIVATE LIMITED