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Public Works Department - PWD Tender
Electrical and Electronics
Eprocure
Opening Date19 Feb 2025
Closing Date10 Mar 2025
Tender AmountRefer Documents
Costs
EMD
₹ 30,600Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
Scription for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user this is tender description for unregistered user
Contact
Tender Id
2025_WBPWD_817685_1Tender No
WBPWD/EE/N24/EL/e-NIQ- 230 /24-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
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BOQ Items
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No. of phase: Three Phase
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Rated capacity of Engine: minimum 80.2 BHP
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Rated Engine power: 100 % of the required powered at STP(Standard Temperature Pressure) i.e. equal to (Nominal Rated Capacity (KVA) of power generator + Any Auxilary power Consumption by the Power generator) x Power factor(0.8) /Alternator efficiency
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Type of engine cooling: Liquid cooled
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Type of Governor : Electronic
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No. of Cylinders: 4
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No. of Strokes: 4
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Rated RPM of Engine:1500
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Fuel Type : High Speed Diesel(HSD)
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Over load capacity: Engine is capable of delivering an output of 10% in excess of rated KVA for a period of one hour in any period of 12 hours continous running.
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Specific fuel consumption: 8.772 L/H
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Starting voltage: 12V
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Salient futures of engine: Turbo charged Engine, Direct injection Fuel System.
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GOVERNING CLASS
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Class of Governor : A2 or better
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Maximum Change of Speed as a Percentage of Rated Speed on suddenly taking-off the rated load (Transient) : 15
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Maximum Recovery Time in Seconds on suddenly taking-off the rated load(Transient) : 15 second
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Maximum Change of Speed as a Percentage of Rated Speed on suddenly taking-off the rated load (Permanent): 5
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Maximum Change of Speed as a Percentage of Rated Speed On a change of load, both on and off , by all steps of 25 percent of the rated load (Transient): 4
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Maximum RecoveryTime in Seconds on a change of load, both on and off , by all steps of 25 percent of the rated load (Transient) : 5 second
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Maximum Change of Speed as a Percentageof Rated Speed On a change of load, both on and off , by all steps of 25 percent of the rated load (Permanent): 1.5
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ALTERNATOR
Make: Koel Green/Stamford/Leroy Somer/ Crompton Greaves/ABB/Alstom.
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Rating of AC generator : 50 KVA
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Alternator Voltage Rating : 415V
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Rated Power Factor : 0.8
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Efficiency at rated power factor at 75% of full load: 90.2 percent
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The alternator should conform to IS 13364(part 2) or any latest standard
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Type of Alternator : Brushless
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Voltage regulation : VG 3
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Class of Protection : IP 23
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Class of Insulation: H
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CONTROL PANEL
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Type: AMF Control Panel
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Location: Inside the canopy.
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IP Rating of control panel: IP-53
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Display meters in the control panel: Multifunctional Digital Display meter(displaying voltage,current,Frequency,power factor)
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Displayed Parameters Features: Control panel shall have displayed parameters of Engine Speed, Lube oil pressure, Coolant/cylinder head Temperature,Engine running hours, Engine battery voltage, Engine Running status, Generator Voltage (Ph-Ph),Generator Voltage (Ph-N), Generator apparent Power(kVA), Generator active Power(kW), Power factor, Frequency, Fuel level, Event log, Control supply Voltage.
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Other Devices in the control panel: Required switches and cutout, MCB, Battery charger of appropriate rating shall be provided in the control panel.
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Indicators: Low lub oil pressure, High water/coolant/Cylinder head temperature, low fuel level, over speed.
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ACOUSTIC ENCLOSURE
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Acoustic Enclosure: Inclusive in the scope of supply
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Sheet Thickness:1.6 mm
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Thickness of Insulatin: 40mm
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Density of insulation: Minimum 32 kg/cubic mtr
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Noise Level : 75dB
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FUEL TANK
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Fuel Tank capacity : Minimum 150 Ltrs.
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Number of Fuel Tank: 01
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Fuel Tank Sheet Material Thickness: 2 mm
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Fuel Tank Fabricated Material : MS sheet
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Fuel Tank Features: Fuel Tank capacity is sufficient for 8 hrs of running at full load
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BATTERY
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Battery Type & specification: low maintenance free to IS:14257 for high cranking performance Battery shall be provided .
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Number of Batteries: 01
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Battery Capacity (AH): 90AH
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Salient Feature of power generator: Glass window on Acoustic enclosure in front of the control, Emergency stop outside the Acoustic Enclosure.
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TRAILER: Not Applicable
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General Technical Requirements (GTR)
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Power Generator shall be complete with Diesel Engine, Alternator and AMF Control Panel along with Acoustic Enclosure. Diesel engine and alternator shall be closely coupled or provided with flexible coupling and mounted on a base plate / M.S. frame of robust in construction.
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Anti-Vibration mountings shall be provided for complete Power Generator in case of flexible couplinIg. In case of direct coupling Anti-Vibration mountings shall be provided for the Engine as well as the alternator.
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Power Generator should have protection against under voltage, over voltage, under frequency, over frequency, low battery voltage, over current, earth-fault, short circuit, phase sequence change etc.
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Automatic Mains Failure (AMF) control panel, shall be able to start up the Power Generator and transfer the load on to the Power Generator on mains failure without requiring any human intervention. Similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the Power Generator automatically
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Control Panel , shall be equipped with suitableVoltmeter, Ammeter, Frequency meter, power factor meter (these items can be alternatively supplied in one multifunctional digital display meter), battery charger, indicators, various switches and cutout / MCB / MCCB / Contactor / Circuit breaker for the DG output of appropriate rating and accuracy class as per trade practice for better utility.
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Acoustic Enclosure shall be made of Pre-treated and Powder coated CRCA Sheet. The sheet shall be Pre-treated and Powder coated with weather-proof paint. The Acoustic Enclosure shall be vermin proof. The enclosure shall accommodate the fuel tank of the Power Generator to make the system compact.
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Power Generators shall meet the requirements of Environmental (Protection) Rules 1986 as laid down by Ministry of Environment & Forests read with GSR 371 (E) dated 17.5.2002,GSR520(E) dated 1.7.2003 , No.448 (E)dated 12.07.2004 , GSR 771(E) dated 11.12.2013
GSR232(E)dated 31.03.2014, Gazette Notification No.167 dated. 31.03.2014 and Gazette Notification No. 578 dated. 11.11.2014 in respect of noise and emission norms. The latest amendments to above GSRs shall be applicable as amended by Ministry of Environment and Forest.
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Standard set of Supply, Installation, Commissioning & Testing of 50 kVA, 3 Phase Diesel Generator Set with AMF Control Panel and its connected accessories at HVF Estate as per Technical Specifications- Qty- 1 No.s consisting of a set of 3 spanners, one screw driver, one standard plier and one nose plier of appropriate size shall be provided along with each Power Generator.
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Supply of Fuel tank of suitable capacity, sufficient for minimum 8 hours running the Power Generator, is inclusive in the scope of supply. Fuel Tank shall be complete with fuel piping (between fuel tank and diesel engine), valves, level indications and all standard accessories. MS pipes, heavy class of suitable dia conforming to IS 1239 (Part-1) - latest shall be used for fuel piping.
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Scope of Installation
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Installation: With Installation inclusive in the scope of supply
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Installation of Power Generators shall be done by the seller. The installation work of Power Generator and its constituent parts shall be generally conforming to CPWD General Specifi cation for Electrical Works, Part - VII - latest. b) Foundation shall be constructed by the seller. Foundation shall be of PCC type with the ratio of 4:2:1. The length and breadth of the foundation shall be 300mm more from the respective length and breadth of the Power Generator. The height of the foundation shall be 400 mm, i.e., 200 mm below and 200 mm above the ground level. All the materials / labour required for foundation work shall be supplied by the seller.
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Supply, laying and termination of inter connecting power and control cable shall be done by the seller. The cable supplied shall be ISI marked heavy duty PVC insulated, armoured cable, with PVC outer Sheath , with aluminium conductor having insulation of PVC compound type -C, suitable for rated voltage upto and including 1100 volts and conforming to IS: 1554 (Part-1) latest. Total length of the cable supplied by the seller shall be 60 metres of minimum 3.5CX70 sqmm for each Power Generator.
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Construction of suitable earthing station and necessary connections shall be done by the seller. All the materials / labour required for construction of earthing station shall be supplied by the seller. The total number of earthing pits/stations shall be 4, i.e., 2 for neutral and 2 for body- earthing for each generator. Neutral earthing shall be done with copper Plate and Body earthing shall be done with G.I. plate / Copper. The consignee should choose installation site in such a way that the earthing stations can be made within 10 metres of the Power Generator. Earthing station shall be typically constructed as per prevalent standard practices and shall be generally conforming to CPWD General specification for Electrical Works.Installation of fuel tank including foundation/stand shall be done by the seller.
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Supply & delivery of 100 Ltr of Diesel for testing and commissioning purpose.
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DG SET 2 - Supply, Installation, Commissioning & Testing of 30 kVA, 3 Phase Diesel Generator Set with AMF Control Panel ,CPCB-IV+ Approved engine and its connected accessories at HVF Estate as per Technical Specifications-
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DIESEL ENGINE
Make: Cummins/Mahindra/Koel Green/Greaves/Volvo/Parkins/ Ashok Layland/Eicher.
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Rated Capacity in KVA : 30 KVA
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No. of phase: Three Phase
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Rated capacity of Engine: minimum 42 BHP
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Rated Engine power: 100 % of the required powered at STP(Standard Temperature Pressure) i.e. equal to (Nominal Rated Capacity (KVA) of power generator + Any Auxilary power Consumption by the Power generator) x Power factor(0.8) /Alternator efficiency
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Type of engine cooling: Liquid cooled
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Type of Governor : Electronic
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No. of Cylinders: 4
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No. of Strokes: 4
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Rated RPM of Engine:1500
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Fuel Type : High Speed Diesel(HSD)
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Over load capacity: Engine is capable of delivering an output of 10% in excess of rated KVA for a period of one hour in any period of 12 hours continous running.
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Specific fuel consumption: 6.9 l/h
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Starting voltage: 12V
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Salient futures of engine: Turbo charged Engine, Direct injection Fuel System.
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GOVERNING CLASS
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Class of Governor : A2 or better
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Maximum Change of Speed as a Percentage of Rated Speed on suddenly taking-off the rated load (Transient) : 15
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Maximum Recovery Time in Seconds on suddenly taking-off the rated load(Transient) : 15 second
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Maximum Change of Speed as a Percentage of Rated Speed on suddenly taking-off the rated load (Permanent): 5
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Maximum Change of Speed as a Percentage of Rated Speed On a change of load, both on and off , by all steps of 25 percent of the rated load (Transient): 4
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Maximum RecoveryTime in Seconds on a change of load, both on and off , by all steps of 25 percent of the rated load (Transient) : 5 second
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Maximum Change of Speed as a Percentageof Rated Speed On a change of load, both on and off , by all steps of 25 percent of the rated load (Permanent): 1.5
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ALTERNATOR
Make: Koel Green/Stamford/Leroy Somer/ Crompton Greaves/ABB/Alstom.
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Rating of AC generator : 30 KVA
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Alternator Voltage Rating : 415V
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Rated Power Factor : 0.8
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Efficiency at rated power factor at 75% of full load: 90.2 percent
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The alternator should conform to IS 13364(part 2) or any latest standard
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Type of Alternator : Brushless
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Voltage regulation : VG 3
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Class of Protection : IP 23
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Class of Insulation: H
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CONTROL PANEL
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Type: AMF Control Panel
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Location: Inside the canopy.
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IP Rating of control panel: IP-53
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Display meters in the control panel: Multifunctional Digital Display meter(displaying voltage,current,Frequency,power factor)
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Displayed Parameters Features: Control panel shall have displayed parameters of Engine Speed, Lube oil pressure, Coolant/cylinder head Temperature,Engine running hours, Engine battery voltage, Engine Running status, Generator Voltage (Ph-Ph),Generator Voltage (Ph-N), Generator apparent Power(kVA), Generator active Power(kW), Power factor, Frequency, Fuel level, Event log, Control supply Voltage.
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Other Devices in the control panel: Required switches and cutout, MCB, Battery charger of appropriate rating shall be provided in the control panel.
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Indicators: Low lub oil pressure, High water/coolant/Cylinder head temperature, low fuel level, over speed.
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ACOUSTIC ENCLOSURE
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Acoustic Enclosure: Inclusive in the scope of supply
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Sheet Thickness:1.6 mm
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Thickness of Insulatin: 40mm
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Density of insulation: Minimum 32 kg/cubic mtr
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Noise Level : 75dB
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FUEL TANK
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Fuel Tank capacity : Minimum 75 Ltrs.
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Number of Fuel Tank: 01
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Fuel Tank Sheet Material Thickness: 2 mm
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Fuel Tank Fabricated Material : MS sheet
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Fuel Tank Features: Fuel Tank capacity is sufficient for 8 hrs of running at full load
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BATTERY
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Battery Type & specification: low maintenance free to IS:14257 for high cranking performance Battery shall be provided .
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Number of Batteries: 01
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Battery Capacity (AH): 90AH
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Salient Feature of power generator: Glass window on Acoustic enclosure in front of the control, Emergency stop outside the Acoustic Enclosure.
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TRAILER: Not Applicable
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General Technical Requirements (GTR)
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Power Generator shall be complete with Diesel Engine, Alternator and AMF Control Panel along with Acoustic Enclosure. Diesel engine and alternator shall be closely coupled or provided with flexible coupling and mounted on a base plate / M.S. frame of robust in construction.
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Anti-Vibration mountings shall be provided for complete Power Generator in case of flexible couplinIg. In case of direct coupling Anti-Vibration mountings shall be provided for the Engine as well as the alternator.
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Power Generator should have protection against under voltage, over voltage, under frequency, over frequency, low battery voltage, over current, earth-fault, short circuit, phase sequence change etc.
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Automatic Mains Failure (AMF) control panel, shall be able to start up the Power Generator and transfer the load on to the Power Generator on mains failure without requiring any human intervention. Similarly on restoration of mains supply, it shall be able to transfer the load to mains supply and switch off the Power Generator automatically
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Control Panel , shall be equipped with suitableVoltmeter, Ammeter, Frequency meter, power factor meter (these items can be alternatively supplied in one multifunctional digital display meter), battery charger, indicators, various switches and cutout / MCB / MCCB / Contactor / Circuit breaker for the DG output of appropriate rating and accuracy class as per trade practice for better utility.
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Acoustic Enclosure shall be made of Pre-treated and Powder coated CRCA Sheet. The sheet shall be Pre-treated and Powder coated with weather-proof paint. The Acoustic Enclosure shall be vermin proof. The enclosure shall accommodate the fuel tank of the Power Generator to make the system compact.
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Power Generators shall meet the requirements of Environmental (Protection) Rules 1986 as laid down by Ministry of Environment & Forests read with GSR 371 (E) dated 17.5.2002,GSR520(E) dated 1.7.2003 , No.448 (E)dated 12.07.2004 , GSR 771(E) dated 11.12.2013
GSR232(E)dated 31.03.2014, Gazette Notification No.167 dated. 31.03.2014 and Gazette Notification No. 578 dated. 11.11.2014 in respect of noise and emission norms. The latest amendments to above GSRs shall be applicable as amended by Ministry of Environment and Forest.
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Standard set of Supply, Installation, Commissioning & Testing of 50 kVA, 3 Phase Diesel Generator Set with AMF Control Panel and its connected accessories at HVF Estate as per Technical Specifications- Qty- 1 No.s consisting of a set of 3 spanners, one screw driver, one standard plier and one nose plier of appropriate size shall be provided along with each Power Generator.
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Supply of Fuel tank of suitable capacity, sufficient for minimum 8 hours running the Power Generator, is inclusive in the scope of supply. Fuel Tank shall be complete with fuel piping (between fuel tank and diesel engine), valves, level indications and all standard accessories. MS pipes, heavy class of suitable dia conforming to IS 1239 (Part-1) - latest shall be used for fuel piping.
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Scope of Installation
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Installation: With Installation inclusive in the scope of supply
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Installation of Power Generators shall be done by the seller. The installation work of Power Generator and its constituent parts shall be generally conforming to CPWD General Specifi cation for Electrical Works, Part - VII - latest. b) Foundation shall be constructed by the seller. Foundation shall be of PCC type with the ratio of 4:2:1. The length and breadth of the foundation shall be 300mm more from the respective length and breadth of the Power Generator. The height of the foundation shall be 400 mm, i.e., 200 mm below and 200 mm above the ground level. All the materials / labour required for foundation work shall be supplied by the seller.
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Supply, laying and termination of inter connecting power and control cable shall be done by the seller. The cable supplied shall be ISI marked heavy duty PVC insulated, armoured cable, with PVC outer Sheath , with aluminium conductor having insulation of PVC compound type -C, suitable for rated voltage upto and including 1100 volts and conforming to IS: 1554 (Part-1) latest. Total length of the cable supplied by the seller shall be 60 metres of minimum 3.5CX35 sqmm for each Power Generator.
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Construction of suitable earthing station and necessary connections shall be done by the seller. All the materials / labour required for construction of earthing station shall be supplied by the seller. The total number of earthing pits/stations shall be 4, i.e., 2 for neutral and 2 for body- earthing for each generator. Neutral earthing shall be done with copper Plate and Body earthing shall be done with G.I. plate / Copper. The consignee should choose installation site in such a way that the earthing stations can be made within 10 metres of the Power Generator. Earthing station shall be typically constructed as per prevalent standard practices and shall be generally conforming to CPWD General specification for Electrical Works.Installation of fuel tank including foundation/stand shall be done by the seller.
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Supply & delivery of 100 Ltr of Diesel for testing and commissioning purpose.
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Supplying and fixing 415V, 63 A TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.[make-L&T/ Siemens/ABB]
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Supplying and fixing 415V, 100 A TPN SFU with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating.[make-L&T/ Siemens/ABB]
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Supplying and fixing 415V, 63 A Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc[make-L&T/ Siemens/ABB]
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Supplying and fixing 415V, 100 A Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc[make-L&T/ Siemens/ABB]
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Supplying & Erection of big size feeder pillar box of Size (1372 x 914 x 607 mm) made up of 3.15 mm thick MS Plate along with suitable M.S. Angle. The P.B. have double hinge door at the front & back with suitable locking arrangement. The box will be painted by 2 cores of aluminiam paint over 1 coat of red oxide paint. Suitable arrangement should be provided for fixing of Timer unit, fuse unit & other accessories. Leg of the pillar box will be 900 mm in length by made up of (35x35x3 mm MS Angle with suitable base Plate. Legs of the Pillar box will be erected at 300 mm below the ground level with cement concrete (6:3:1). Rest portion coverd by 5" Brick Wall with plastering & net cement & bottom portion filled with silver sand as drawing & direction of E.I.C.
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Supply & Delivery of PVC/XLPE Insulated & Sheathed Armoured Aluminium Conductor Cables for Working Voltage up to 1100 Volts of following sizes. [ Make - Polycab/Gloster/RR ]
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a) 3.5 Core 70 Sqmm
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b) 3.5 Core 50 Sqmm
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Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed
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S&F of compression type gland complete with brass gland, rubber rings for dust & moisture proof entry of PVC armoured cables as below as per G.S. [F4/7c]
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a) 3.5 Core 70 Sqmm
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b) 3.5 Core 50 Sqmm
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Finishing the ends of following cables by crimping method including S/F dowells solderless sockets, tapes and jointing materials etc. as per G.S.[F5/8b]
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a) 3.5 Core 70 Sqmm
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b) 3.5 Core 50 Sqmm
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Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled withbitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below:
(a) By TATA-Medium GI pipe
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Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos.
12 mm dia holes on the GI pipe
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Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 40 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required
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Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.
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- Awarded Ratexx%
- Bidder NameThis Information is for unsubscribed user This Information is for unsubscribed user
- Awarded Ratexx%
- Bidder NameThis Information is for unsubscribed user This Information is for unsubscribed user
- Awarded Ratexx%