Public Works Department Tender
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Public Works Department - PWD Tender
Laboratory Equipment and Services
Electrical and Electronics
Eprocure
Opening Date24 Oct 2024
Closing Date12 Nov 2024
Tender AmountRefer Documents
Costs
EMD
₹ 97,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_WBPWD_764374_1Bid Award Id
ViewTender No
WBPWD/EE/DED/e-NIT-29 of 2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
BOQ Items
Engine Type : 4 Stroke Diesel Engine
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RPM : 1500
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Rated Output : 306.9 BHP or Higher
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Duty : CONTINUOUS
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Cooling : Coolant Cooled
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Cylinder : 6
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Aspiration : Turbo Charged after cooled.
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Type of Governer : Common rail electronic injection system
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Fuel Tank Capacity : Minimum capacity 395 Liters Diesel Tank , with Inlet & outlet arrangement with Drain Plug and Air vents.
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Fuel Consumption at 75% rated Load with Radiator or Fan : 45.5 Ltr./ Hr. or Less
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Fuel Consumption at 100% rated Load with Radiator or Fan : 62 Ltr./ Hr. or Less
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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 : HOSPITAL GRADE TYPE
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Starting system : 12V, DC power srtarting system complete with starter motor, charging alternator with rectifier and Cutout as per manufacturer standard.
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LOAD :Applicable for supplying power to varying electrical load for unlimited hours. Prime Power (PRP) is in accordance with ISO 8528
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Battery : 12 V X 2, 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 electric co/ Leroy Somer
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Rating : 415 V., 3Ph. 50 Hz., 250 KVA, 1500 rpm
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Type : Brushless, self excited and self regulated through an AVR.
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Insulation : H Class
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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: 348 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 : Less than 3%
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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 16 SWG Sheet Steel, duly pretreated, powder coated painted and aesthetically finished, suitable for controlling of 250 -KVA, 415V, 50Hz, 3Ø DG set having following specification/features.
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i) 415 V, 400A TP MCCB of Breaking capacity 35kA with O/L, S/C, E/F protection and microprocessor based protection release , U/V release etc. - 2 Sets
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ii) In Built mannual By-Pass switch capacity 415V, 400 A
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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 Generator voltage/AC Mains voltage, Generator Current in all phases, Frequency, Power Factor, Energy, Indication for alternator supply, 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 with 11 tank process. High quality acoustict enclosure must be certified as per CPCB-IV norms.
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Sound Level : 75 dBA at 1 meter distance.
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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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DG UTILITIES
Supplying and fixing exhaust gas piping (150 MM Diameter ). welded black MS, B class pipe conforming to IS: 3589 cut to required lengths and installed with necessary bends, supports and clamps, anti-vibration mountings, insulation of exhaust system with mineral wool / Rockwool, 50 mm thick wiremesh and aluminium cladding etc., as per requiremement of pollution control norms and required as per direction of Engineer-in-Charge and manufacturer recomendation. [NS]
10
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Supply and pour of H.S. Diesel oil for necessary commissioning of new DG incl. transportation cost. [NS]
350
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Supply & delivery PVC 200Ltr. Oil Barrel of thickness 6mm. [NS]
2
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S & Delivery of best quality oil hand pump with 1” dia PVC flexible pipe (12’ ft. Approx) [NS]
2
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DG FOUNDATION & TRUSS
Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. [PWD(WB)/BUILDING WORKS (CCS) /Page-1 /Item-2]
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(a) Depth of excavation not exceeding 1,500 mm.
5.3
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Earth work in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm. including watering and ramming etc.layer by layer complete .(payment to be made on the basis of measurement of finished quantity of work). [PWD(WB)/BUILDING WORKS/Page-1/Item-3]
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(a) With earth obtained from excavation of foundation.
3.19
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Cement concrete with 30 mm down graded shingles excluding shuttering. N.B. Variety (a) 1:3:6 proportion [PWD(WB)/BUILDING WORKS/Page-34/Item-22]
2.35
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Brick work with 1st class bricks in cement mortar (1:6) in foundation and plinth [PWD(WB)/BUILDING WORKS/Page-15/Item-8]
1.89
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Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works [PWD(WB)/BUILDING WORKS/Page-42/Item-36]
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25 mm to 30 mm shuttering without staging in foundation
2.24
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Steel shuttering or 9 to 12 mm thick approved quality ply board shuttering in any concrete work
10.15
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Ordinary Cement concrete (mix 1:1.5:3) with graded stonechips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. (Pakur Variety.) [PWD (WB) /BUILDING WORKS /Page-26 /Item-10]
1.53
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Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at inter-section, complete as per drawing and direction. [PWD (WB)/ BUILDING WORKS (CCS)/Page-43/Item-40]
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(a) For works in foundation, basement and up to roof of ground floor/up to 4m. Tor steel/Mild steel. other than AIL/TATA/RINL/JSW/JSPL/Shyam/SRMB/ISSL/BMASL/Electrosteel
0.24
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Filling in foundation or plinth by fine sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete . Including the cost of supply of sand .(payment to be made on measurement of finished quantity). [PWD (WB) /BUILDING WORKS/Page-2/Item-4B]
5.59
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Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. [PWD (WB) /BUILDING WORKS/Page-14/Item-1]
10.85
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Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost of chipping over concrete surface]. [PWD(WB)/BUILDING WORKS (CCS) /Page-189/Item-1]
10.96
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Neat cement punning about 1.5mm thick in wall, dado, windowsill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m. [PWD(WB) /BUILDING WORKS (CCS)/ Page-192/Item-15]
10.96
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M.S. structural works with hollow sections ( square or rectangular shape) conforming to IS: 806-1957 & IS:1161-1958) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1956 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. [PWD(WB) /BUILDING WORKS (CCS)/ Page-101/Item-2A]
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For roof truss works- Span up to 12 Mtr
0.29
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Holding down bolt with nut including 100 x 100 x 6 mm plate washerat bottom fitted complete and packing the hole with cement concrete or cement grout as directed. [PWD(WB)/BUILDING WORKS(CCS)/Page-102/Item-6]
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16 mm dia bolt- 450 mm long
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Suppling, fitting and fixing single skin color coated trapezoidal profile for wall cladding, Roof shall be made of 0.45mm BMT (Base Metal Thickness) (0.50mm TCT(Total coated thickness excluding paint), G550 (min 550 yield strength), of Zincalume metallic coating (IS15965) with high Solar Reflectance Index (SRI) value for better colling as per thermatech technology, 1000-1015mm effective cover width with five major corrugation, 28mm high rib spaced at 203mm c/c with subtle square fluting in the pan and the end rib shall have anti-capillary groove and return leg.The steel sheet shall be fastened with 40 micron cine coated or 25 micron zine-tin alloy coated, hex head, self-drilling screw as per IS 3566-2002 Class 3 fastener. The base steel shall be conted with inc-aluminium alloy Zincalume (AZ150 )(.e. 55% Al, 43.4% Zine, 1.6% Si) minimum of 150 g/m2 coating total on both sides, pre-painted. with colorbond XRW (xterior roofing, walling paint system of 15 micron Super Durable Polyester paint (SDP) with stable inorganic pigment with no lead contents confirming IS15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheet at regular interval confirming genuinits of the material [PWD(WB)/BUILDING WORKS(CCS)/Page-82/Item-14]
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In Roof- With 0.5 mm thick sheet
17.64
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Galvanised iron sheet ridging fitted with necessary bolts, screws, washers etc complete.(225mm end lapping) [PWD(WB)/BUILDING WORKS(CCS)/Page-81/Item-10]
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450 mm lapping each way- With 0.63 mm sheet
5
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Priming one coat on timber or plastered surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc. [PWD(WB)/BUILDING WORKS/Page-200/Item-1]
10.96
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Priming one coat on steel or other metal surface with synthetic oil
bound primer of approved quality including smoothening surfaces by sand papering etc. (Truss)
10.5
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Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand parpering etc. in cluding using of approved putty etc. on the surface , if necessary. [PWD (WB)/ BUILDING WORKS/Page-200/Item-2]
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On timber or plastered surface: With super gloss (hi-gloss) : Two coats (with any shade except white).
10.96
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On steel or other metal surface : Two coats (with any shade except white).
10.5
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Supply & laying of 1.1 KV grade PVC copper conductor control cable (Finolex/Gloster/Havells or brand approved by EIC) partly recessed and partly by shaddle on wall or neccesary required as per direction of EIC to interconnect DG set with AMF panel.
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a) 16 core 2.5 sq.mm, for communication.
20
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b) 5 core 2.5 sq.mm, for sequence of power.
20
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c) 2 core 6 sq.mm, for DC power.
20
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S & F compression type brass cable gland & finishing the cable of following size.
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a) 16 core 2.5 sq.mm.
2
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b) 5 core 2.5 sq.mm.
2
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c) 2 core 6 sq.mm.
2
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Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 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 80 mm dia GI pipe (ISI-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 [For DG neutral − 2 nos, DG body − 2 nos, AMF body- 2 nos]
6
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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.
6
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Extra treatment of soil by using salt & charcoal for plate electrode as to G.S.
6
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Excavation of soil for installation of Earth Electrode and filling & ramming.
For Soft Soil
6
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Supply & Fixing of earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.
2
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Extra for connecting the neutral of Transformer/Earth busbar to earth electrode including S & F Galvanized (Hot Dip) Steel strip 65 mm x 8 mm on wall/floor with GI saddles & insulating the same by one layer of PVC strip over one layer of ampere tape [ only for DG neutral earthing]
20
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Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.
20
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Electrical Installation work
Supply & delivery at site of 4 Core XLPE Insulated & Sheathed Armoured Aluminium Conductor cables for Working Voltage up to 1.1 KV grade of following sizes [Make - Havells / Gloster / KEI / Polycab/RR Kabel]
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a) 4 Core 300 sq.mm
90
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b) 4 Core 150 sq.mm
60
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c) 4 Core 95 sq.mm
30
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Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/ Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ and 4 core
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a) 4 Core 300 sq.mm
90
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Laying of cable above 3½ core 90 sqmm and upto 3½ core 150 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting.
90
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Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :
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a) 4 Core 300 sq.mm
12
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b) 4 Core 150 sq.mm
2
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c) 4 Core 95 sq.mm
2
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Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials.
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a) 4 Core 300 sq.mm
12
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b) 4 Core 150 sq.mm
2
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c) 4 Core 95 sq.mm
2
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Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required (600 depth x 300 widh) with PCC Cover finishing as per direction of EIC
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a) 100 mm dia
100
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LT panel
Supply and installation of L.T. cubical type fully compartmentalized distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each vertical compartment with 40 x 40x6 mm MS angle iron). The base of panel should be made with 75mm x 40mm x 4.4 mm M.S. channel. [Manufacturer/Fabricator having Test Certificates from CPRI]. An Auto Cad Drawing of the panel has to approved by EIC before making of panel.
1
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Construction Details :
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All incoming & outgoing switches are to be housed in respective compartments hinged and gasket doors at the front. All doors should have panel locking arrangement in such a fashion that it can not be on unless the feeder remains in off position. The rear panel should gasketed wire net guard for ventilation arrangement will be made of easy accessibility to each compartment by providing rear panel doors with locking system . The panel is to be properly gasketed to prevent the dust & vermin. All vertical bus bar chambers is to properly arrange and all electrical equipments are to be fixed by nuts and bolts on suitable Hylam board / porcelain insulators of adequate size and dimension. The outgoing feeder connection from respective switches are to be made at rear side of panel by means of busbar, copper multi core cables, to be terminated on bolted type terminals for cable connection or on bush insulators for bus bar connection. Each compartment will be providing with DMC/FRP board at back side.
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Incomming Switch :
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(a) 415V 415 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95481 or equivalent cat of SIEMENS/ABB) in open exexution---- 1 Nos.
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Bus Bar :
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415 V, 600 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar (2x40x5 mm) mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification - 1 set.
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The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.
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Outgoing Switches :
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a) 415V 250 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95642 or equivalent cat of SIEMENS/ABB) in open exexution.---- 2 Nos.
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(b) 415V 160 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95713 or equivalent cat of SIEMENS/ABB) in open exexution.----1 No.
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(c) 415V 63 Amps TPN SFU units with HRC fuses (Make:- L&T : Cat No.- SK95421 or equivalent cat of SIEMENS/ABB) in open exexution.----1 Nos.
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Metering Panel
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Digital multifunction meter with selector push button switch (up/down) with Voltage, Current, Frequency, Total Harmonic Distortion, PF, KW, KVA, Kwh, KVAh and Preloaded Max & Min Demand with Date & Time Stamping display, Cl:1 (Make-L&T/Siemens/Schneider/ABB/Legrand) - 1 nos (To be connected against incoming) .
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d) 400/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.
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e) Supplying & Fixing 6 Amp SP MCB---- 1 nos.
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Interconnection :-
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All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pve insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper with proper socketing of the end of each wire leads.
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Earthing :-
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A separate continuous aluminum earth busbar of size 50mm x 6mm shall run across the full length of the panel board and brought outside the panel. All electrical equipment are to be properly earthed with suitable size G.I. wire.
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The complete panel board is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.
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Installation :-
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The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C.
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All incoming/outgoing switches is to be properly lebeled on Acrylic sheet as per direction of EIC.
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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 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 as below:
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ISI-Medium GI pipe or TATA-Medium GI pipe or brand approved by EIC
2
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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
2
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Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages.
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Solid GI wire No. 4 SWG ( Extra of 4 mtr of earthing wire )
20
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Connecting the equipments body to earth busbar including S&F 20 mm x 3 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.
25
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Supplying and fixing 415 V Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing DBs / enclosure and necessary connection
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250 A ( Make Legrand/Schneider/ L&T)
1
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Supplying and fixing MCCB SS enclosure with IP- 20/30 protection, pwder coated provision for housing Four pole (4P) MCCB, concealed in wall after cutting the wall & mending good the damages to original finish / on flat iron frame incl. painting, connection & provision for earthing attachment ( Make Legrand/Schneider/ L&T or brand approved by EIC)
1
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Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required A) 2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC
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