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Public Works Department - PWD Tender
Electrical and Electronics
Eprocure
Opening Date21 Mar 2025
Closing Date8 Apr 2025
Tender AmountRefer Documents
Costs
EMD
₹ 18,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Wbpwd/ee/hed/niq-24 Of 2024-2025
Description
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Contact
Tender Id
2025_WBPWD_829977_1Tender No
WBPWD/EE/HED/NIQ-24 of 2024-2025Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
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Documents
SITC of 30 KVA DG Set with allied EI work at Uluberia Sub correctional Home, Uluberia ,Howrah.
SITC of 30 KVA DG Set with allied EI work at Uluberia Sub correctional Home, Uluberia ,Howrah.
BOQ Items
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Engine Type : 4 Stroke Diesel Engine
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RPM : 1500
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Rated Output : 38 BHP or Higher
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Duty : PRIME
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Cooling : Water cooled with radiator
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Cylinder : 3
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Aspiration : Turbo Charged
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Type of Governer : Electronic
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Fuel Tank Capacity : Minimum capacity 70 Ltrs.
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Fuel Consumption at 75% rated Load with Radiator or Fan : 5.61 Ltr./ Hr. or Less
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Fuel Consumption at 100% rated Load with Radiator or Fan : 7.45 Ltr./ Hr. or Less
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Overload Capacity:10% overload for one hour for every 12 hours continious running at full load or better
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Engine instrument Panel : Consisting of starting switch with Key, Lube Oil Indicator, water temperature Indicator, RPM indicator and hour meter.
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Safety Controls : Emergency Stop, Low Lube Oil Pressure warning/ Shutdown, High Engine Water Temp. warning/ Shutdown, Sensor failure Indicator, Engine overspeed indicator, Battery charging and low battery indicator
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Exhaust Silencer : Residential Type
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Starting system : 12V./ 24 V. starting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.
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Battery : Lead Acid, Low Maintenance or SMF and conforming to relevant IS Specification with Low/High Battery Voltage and Weak Battery warning
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ALTERNATOR
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Make : STAMFORD / KIRLOSKAR GREEN / GREAVES POWER / MAHINDRA / LEROY SOMER / LEY POWER
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Rating : 415 V., 3Ph. 50 Hz., 30 KVA, 1500 rpm
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Type : Brushless, self excited and self regulated
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Insulation : Class H
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Protection : Screen-protected drip proof with Min.IP-23 degree of protection
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RPM : 1500
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Voltage Regulation (max) : ±1%
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Winding connection : Star with Neutral
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Total Distortion factor : Less than 3%
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Total Harmonic distortion in output waveform : 5%
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AMF PANEL
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Cubical type floor mounted AMF panel made from 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 30 KVA DG set having following specification/features.
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i) 63 A , FP MCCB with Breaking capacity 35kA , O/L, S/C, E/F protection and UV release . - 2Sets
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ii) 63 AMP FP Contactor having mechanical & electrical interlock-2 Nos
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ii) In Built By-Pass switch for rated capacity
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iii) On -delay timer for load change over
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iv) On-delay timer for engine shut off
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v) Engine On-Off switch (Push button type)
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vi) Battery charger complete with voltage regulator, booster selector switch, on-off switch, voltmeter and ammeter for charging the battery from mains. This will be in addition to the battery charging alternator fitted on the engine
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vii) Minimum five number indicating lamps to indicate 'mains ON', 'load on mains', Set running', 'load on set' and 'battery charger on'.
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viii) Audio visual alarm for 'Low lubricating oil pressure', 'High water temperature, Start failure', and DG over load'.
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ix) Mode selector for setting the panel on Auto/ Man/ Test Mode
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x) Microprocessor based relay with composite meter for digital display of following.
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Generator voltage/AC Mains voltage.
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Generator Current in all phases
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Frequency
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Power Factor
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Energy
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Indication for alternator supply
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Running time indications number of hours of operation and service intervals, service due indications
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The AMF panel must be designed to ensure trouble free performance and ensure switching over Electrical Load to DG within 15 (fifteen) second from the instant of mains failure.
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ACOUSTIC ENCLOSURE
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The DG set should have integrated acoustic enclosure at the manufacturing state itself. High quality acoustict enclosure must be certified as per CPCB-IV+ norms.
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BASE FRAME
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Common iron channel fabricated base frame containing the engine and alternator, mounted on AVM pads and having provision for lifting Hook.
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TERMS & CONDITIONS
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(i) Rate should be quoted inclusive of all applicable taxes and Duty etc.
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(ii) All materials, equipments & accessories must conform to relavent IS /IEC specifications. The DG Set to be supplied must be from the authorized OEM of the respective Engine Manufacturer.
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(iii) Nacessary manufacturer's test certificate for Desiel Engine, Alternator etc. Will have to submit in triplicate copy during delivery of the equipment.
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(iv) Copy of "Type Approval Certificate" and Certificate of "COP" must be produced at the time of delivery issued from competant Authority (As per CPCB-IV+).
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(v) Circuit Diagram for AMF Panel must be submited from the Manufacturer/OEM.
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(vi) The entire set must be warranted atleast 15 months from the date of Delivery/12 months/ 5000 Hrs from the date of Commissioning whichever is earlier. However Engine & Alternator should be warranted of 2 years/5000 Hrs, whichever is earlier.
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S& laying 2.5 sq. mm. 10 core multi core multistrand PVC insulated flexible Cu cable in uPVC / GI pipe from DG to separate AMF panel.
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Extending the exhaust pipe with 70 mm. dia MS black pipe (Thickness 4 mm) including connection with the existing silencer attached with the flexible coupler and S&F flange, nuts, bolts & washers etc. & necessary fixing materials etc. as required from DG set upto 2.5 Mts high of the near higher installation with Asbestos rope / glass wool insulation and chicken net and Aluminium fol covering, with end cap with suitable high temperature painting.
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Making insulation by 2" glass wool including netting arrangement and covered with aluminium clading as per direction of the EIC.
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a) 75 mm. dia exhaust pipe.
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b) Residential type silenser pipe
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S&F special type MS angle iron bracket support made of 40x40x6 mm. MS angle with flat iron clamp with nuts, bolts & washers etc. for 125 mm. dia pipe (Vertical Run).
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S&F rain protection canopy.
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Filling of HSD oil for initial refill with transportation.
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SUB -HEAD 2 -- SUPPLY & LAYING OF CABLES
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Supply & laying of 4 core XLPE Insulated & sheathed Armoured Aluminium conductor cables for working voltage up to 1100 Volts of following sizes on wall/surface incl. S&F MS saddles with earthing attachment in 1 x 10 SWG GI (Hot Dip) wire, making holes etc. as necy. mending good damages and painting. 4 core 16 Sqmm, [Make Gloster/Polycab/Havells/RR KABLE]
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Supply & Laying of cables as below, on existing cable tray and binding with suitable size GI wire 4 Core 16sqmm [Make- Havells/Gloster/Polycab].
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Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastner etc. as required of the following size. Incl AI painting of MS support. Without angle iron support, 100x50x1.25mm (18SWG)
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Supply and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cable. 4core 16 sqmm
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Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowel make), tapes, anticorrosive paste & jointing materials 4 core 16 sqmm
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SUB-HEAD 3-- EARTHING
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Earthing with 50 mm dia GI pipe 3.64mm 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 15mm dia GI pipe protection (1 Mts long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level (For morrum Soil: ISI-Medium GI pipe) [G-1/2(a)]
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Excavation of soil for installation of Earth Electrode and filling & ramming. (Soft Soil) [G-1/1(a)]
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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.[G-2/4b]
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Connecting the equipments to earth busber including S&F 4 SWG GI Standard (Hot Dip) wire of size as belowon wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lug etc, as required and mending good damages. [G-2/5a(i)]
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Connecting the equipments body to earth busber including S&F 20 mm x 6mm galvanised (Hot Dip) MS on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc. [G-3/c]
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SUB-HEAD 4 -- MISCELENEOUS
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Shift the existing old 15KVA DG and all related accessories electrical room incl. make temporary connection untill the new DG is installed at DG room. After installation the new DG, the old DG has to be transfer to authority's store room and handed over it to the authority.
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i) Rate should be Quoted inclusive of all taxes, other charges & L.W.C (if any).
ii) Work should be completed as and when required and as per the direction of the administration.
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