Public Works Department Tender
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Public Works Department - PWD Tender
Civil And Construction
Building Construction
Electrical and Electronics
Electrical Works
Eprocure
Opening Date25 Feb 2025
Closing Date13 Mar 2025
Tender AmountRefer Documents
Costs
EMD
₹ 1,30,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Wbpwd/sewec /hed /niq-95 /2024-25
Description
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Contact
Tender Id
2025_WBPWD_820120_1Tender No
WBPWD/SEWEC /HED /NIQ-95 /2024-25Tender 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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Engine Type : 4 Stroke Diesel Engine.
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RPM : 1500
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Rated Output: 594 ВНР or Higher
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Duty : PRIME
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Cooling : Coolant with radiator
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Cylinder : As per OEM Standard
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Aspiration : Turbo Charged
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Type of Governor : Electronic
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Fuel Tank Capacity : Minimum capacity 740 Ltrs.
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Fuel Consumption As per OEM Standard
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Overload Capacity : 10% overload for one hour for every 12 hours continuous 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 over speed indicator Battery charging and low battery indicator.
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Exhaust Silencer : Residential Type/Hospital Grade
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Starting system : 12V/ 24 V starting system complete with starter motor, charging alternator with reclifier 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/ Leroy Somer/ Kirloskar/ ЛВВ/ GE/ Alsthom/ Crompton)
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Rating - 415 V., 3Ph. 50 Hz., 500 KVA, 1500 rpm
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Type - Brushless, self excited and self regulated through an AVR.
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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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Rated Current: 695 A
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Voltage Regulation [max] - ±1%
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Winding connection - Star with Neutral
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Total Distortion factor - No load 1.5%, Non distorting balanced linear load 5 %
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Power Factor - 0.8 pf [lag]
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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 14 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 500 KVA DC set having following specification/features. Manufactured by the OEM / CPRI approved panel builder.
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i] 415V, 800 A or higher , 5OKA, EDO type ACB with 0/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. [make: Legrand / Siemens / Schneider Electric / L&T /ABB ] - 2 Sets
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ii] S &F of 1200A, capacity 99.9% -99,5% electrolytic tinned copper (Certificate should be produced by manufacturer) with multicolor heat shrinkable PVC sleeve 4 Bus Bar (Size uf flat 4 nos 100 mm x 10 mm) of required length mounted on non-hygroscopic porcelain insulator having sufficient di-electric strength duly insulated by multicolor (Red, Yellow, Blue & Black) heat shrinkable PVC sleeve for phases & neutral identification. All interconnection/branches should be made with required size of cu bars (Cu-bar extensions of required shape and current carrying capacity may have to be provided at terminals of ACB as per direction of E1C) & remote monitoring of internal temparature of every bus section & cable alley should be provided -1 set.
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iii) S&F of 630 A 415V, 4 pole 50 kA (Uimp=8KV), Ics= 100% lcu MCCB with communicable by on board ethernet, microprocessor based release having adjustable O/L (0.4 to l x In or better), Adjustable S/C (1/1.5 - 8/10 Ir), Inbuilt Instantaneous protection, Adjustable E/E, Adjustable neutral protection at 50%, 100% and & inbuilt energy metering. Both side spreader link, extended rotary handle. The MCCB should be selected for making communication, transmission of measurements, states and alarms from circuit-breaker to system, transmission of events to the system and remote monitoring. There should be LED indicating lamp for showing On, OFF, TRIP indication on the panel door etc. -2 Set [make: Legrand / Siemens / Schneider Electric / L&T /ABB ]
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iv) In Built By-Pass switch for rated capacity
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v) On -delay timer for load change over
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vi) On-delay timer for engine shut off
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vii) Engine On-Off switch [Push button type)
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viii) 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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ix) 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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x) Audio visual alarm for 'Low lubricating oil pressure', 'High coolant temperature, Start failure', and DG over load'.
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xi) Mode selector for setting the panel on Auto/ Man/ Test Mode
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xii) Microprocessor based relay with composite meter for digital display of following.
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a) Generator voltage/AC Mains voltage.
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b) Generator Current in all phases
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c] Frequency
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d) Power Factor
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e) Indication for alternator supply
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f) 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 acoustic enclosure must be certified as per CPCB-1V+ norms.
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Base Framed-
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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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Supply & Installation exhaust pipe line (thickness 4 mm.) connection with MS black pipe ISI approved necessary flange, nuts, bolts, washers & gasket incl. electrical welding where necessary.
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150 mm (6") dia.
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S&F 150 mm MS heavy type long bend.
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S&F 150 mm MS Plug incl socket with short piece.
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S&F rain protection canopy suitable for 150 mm MS pipe.
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S&F of MS angle iron structure made of (80x80x6)mm / (50x50x6) mm MS angle 50mm x 8mm MS flat, nut, bolt, washer etc to support 150 mm dia MS pipe, chair for fuel tank & AMF pane etc incl painting as per GS.
1500
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Painting the 150 mm dia MS black pipe (approx 35 Mtrs) by Aluminum paint of two coat over the RO primer (Approved make).
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Wrapping the residential exhaust silenser pipe for 500 KVA DG Sets.
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Wrapping the exhaust pipe line (150 mm) with Al. sheet high quality with necessary wire mesh & 50mm thick glass wool as per direction of EIC.
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Providing Cement concrete foundation for the DG set with 1:2:4 (M20 ) Grade, including excavation, providing base concrete with 1:5:10 cement concrete required centering shuttering/finishing the exposed portion by net cement plastering ect. As required (item will be paid base on measurement for 1:2:4 CC but excluding the 1:5:10 leveling course of base concrete) as per direction of EIC and manufacturer recommendation.
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S & delivery of 200 ltrs. Capacity barrel made of 2 mm thick MS Sheet.
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Supply & delivery of best quality oil hand pump with 1” dia PVC flexible pipe [12' ft. approx.) [Brand approved by EIC)
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Excavation of soil for installation of Earth Electrode and filling & ramming as to GS [For soft soil).
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Earthing with 80 mm dia G1 pipe [TATA-Mediurn)x 6.0 Mts. long and 1 No. 65 mm x 8 mm galvanised [Hot Dip) steel trip [4 Mts. long), 20 inm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 mm dia GI pipe [lSl-Medium) protection [3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 6.65 Mts (For Neutral earthing for 500 KVA DG Set)
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Earthing with 65 mm dia GI pipe [TATA-Medium)x 3,0 Mts. long and 1 No. 50 mm x 6 mm galvanized [Hot Dip) steel strip [4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 65 mm dia GI pipe [ISl-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts (Body & AMF panel earthing for 500 KVA DG Set).
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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(l;6) of 25 cm width duty plastered with sement morter (inside) Cl 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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Extra for treatment oi soil by using salt & charcoal or coke for plate electrode.
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Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 65 mm x 8 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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Extra for connecting Earth busbar to earth electrode including S & F 50 mm x 6 mm Galvanized (Hot Dip) steel strip on wall/floor with GI saddles 8 s insulating the same by one layer of PVC strip over one layer of ampere tape
80
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Supply & laying of 1.1 KV grade PVC copper conductor control cable (Finolex/Gloster/Havells) partly recessed and partly by shaddle on wall to interconnect DG set with AMF panel.
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a) 14 core 2.5 sq.mm, for communication.
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b) 5 core 2.5 sq.mm, for sequence of power.
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c) 2 core 4 sq.mm, for DC power
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S & F compression type brass cable gland & finishing the cable of following size.
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a) 14 core 2.5 sq.mm.
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b) 5core 2.5 sq.mm.
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c] 2 core 4 sq.mm.
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