Public Works Department Tender
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Public Works Department - PWD Tender
Civil And Construction
Building Construction
Eprocure
Opening Date7 Dec 2024
Closing Date28 Dec 2024
Tender AmountRefer Documents
Costs
EMD
₹ 8,37,076Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_WBPWD_778147_1Bid Award Id
ViewTender No
WBPWD/SE/SWEC/NIQ63/2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://http://wbpwd.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
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Water Circulation Chilled & Condenser Pumps
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Condenser Water Pumps Set (Constant speed)
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Supply, erection, testing & commissioning of Condenser water duty, end suction back pull out type centrifugal pumpset at (having Bronze/CI Impeller) with TEFC, IP-55, Class F insulated Sq. cage induction motor, complete with common base frame, spring vibration isolators, coupling and coupling guard for the following duty & including items as specified below :
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Capacity of Each Pump : 485 US GPM (Each)
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Pump Head : 30-35 M
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Quantity indicated include one stand by(2W+1S)
3
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Primary Chilled Water Pumps (Constant speed)
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Supply, erection, testing & commissioning of Chilled water duty, end suction back pull out type centrifugal pumpset at (having Bronze/CI Impeller) with TEFC, IP-55, Class F insulated Sq. cage induction motor, complete with common base frame, spring vibration isolators, coupling and coupling guard for the following duty & including items as specified below :
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Capacity of Each Pump : 350 US GPM
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Pump Head : 15 M
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Quantity indicated include one stand by (2W+1S)
3
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FRP Induced Draft Cooling Tower
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Supply, installation, testing and commissioning of FRP construction induced draft Single cell cross/counter flow type Cooling towers for Airconditioning system. Each tower shall be complete with FRP cold water basin, honeycomb design PVC fill, Casing, water distribution system, Intake louvers, ladder, Axial flow fan with statically/ dynamically balanced belt & pully drive/ directly coupled with TEFC, EFF-1 Class F Insulation, IP65 induction motor suitable for 415±10% volts, 50 Hz, 3 phase power supply, Weather proof Isolator panel with MCCB at cooling tower and earthing.Cooling tower motor/s shall be suitable for operating on adjustable frequency drive.Basin shall be provided with accessories like quickfill, makeup & drain, brass construction float valve, overflow pipe etc. Separate motor shall be provided in each cell of multi cell towers. It shall have non- corrosive structure and casing for longer life of all componenets.Tower shall be selected on the basis detailed in the schedule. Tower shall be suitable for outdoor installation next to occupied areas and shall be low noise.
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Duty Parameters
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CTI approved Cooling tower capacity shall be suitable for 125 TR capacity chillers heat rejection.
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Water Flow - 600 USGPM
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Designed Wet Bulb Temperature - 80 °F
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Approach : 7 °F
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Water Inlet Temperature - 97 °F (36.1 Deg C)
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Water Outlet Temperature - 89.6 °F (32 DegC)
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Quantity indicated include one stand by
3
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Expansion Tank
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Supply,Installation, Testing & Commissioning of Expansion tank, HDPE, 1000 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves with 50 mm thick thermocol insulation having 16 kg/cum density. [ For Makeup chilled water line].
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Supply, Installation, Testing & Commissioning of of Expansion tank, HDPE, 2000 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves with 50 mm thick thermocol insulation having 16 kg/cum density. [ For Makeup chilled condenser line].
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AHU's AND THEIR CONTROLS
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Double Skin Floor Mounted AHU With Pre Filters
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Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/ vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and .08mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/PVC elimintors,cooling coil section with aluminium finned copper tubes (tubes thicknessnot less than 0.5mm) cooling coil of 4 row deep, filter section with 50 mm thick metal viscous/washable synthetic type air prefilters,belt drive package with TEFC drive motorof efficiency class IE3 suitable for 415 +/- 10% volts, 50Hz 3 Phase AC supply suitably designed for variable frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150mm dia. dial type pressure gauges (2 nos) and industrial type thermometers (2 nos) at the inlet of coil, auto purge valve wherever required, necessary vibration isolation arrangement etc. complete as per specification and of following capacities.
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16000 CFM Capacity with 50 mm static (Floor Standing) Ground Floor
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20000 CFM Capacity with 50 mm static (Floor Mounted) 1st, 2nd,3rd,4th & 5th Floor
5
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22000 CFM Capacity with 50 mm static (Floor Mounted) 6th Floor
1
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20000 CFM Capacity with 50 mm static(Floor Mounted) 7th Floor
1
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Insulated Chilled Water Piping (Nitrile rubber insulation)
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Supplying, laying/fixing,testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, stainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg/cu m density, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class 'O' insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect.
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Note: The pipes of sizes 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS 3589, from minimum 6.35mm thick M.S. sheet for pipes upto 350mm dia and from minimum 7mm thick MS sheet for pipes of 400mm dia and above.
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200 mm dia with 38mm thick insulation
100
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150 mm dia with 38mm thick insulation
120
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125 mm dia 38mm thick insulation
50
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100 mm dia 38mm thick insulation
120
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80 mm dia 38mm thick insulation
50
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Condenser Piping for Cooling tower Circuit
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Supplying, fixing testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary clamp, vibration isolators and fittings such as bends,tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect.
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Note: The pipes of sizes 150mm & below shall be M.S. 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS 3589, from minimum 6.35mm thick M.S. sheet for pipes upto 350mm dia and from minimum 7mm thick MS sheet for pipes of 400mm dia and above.
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250 mm dia
150
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200 mm dia
100
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100 mm dia
36
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WATER LINE VALVES, STRAINERS & ACCESSORIES:-
Supply, installation, testing and commissioning of the following chilled water and condenser water line valves with flanges, bolts/nuts/gaskets etc. all complete with insulation interconnected to chillers. pumps, AHUs (as per direction of EIC)
BUTTERFLY VALVE
SITC of the following Water line Butterfly-Valve as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: Butterfly valve shall be of PN 16 rating as per standard. Valves of sizes 32 mm and above shall be made out of Cast Iron body, SG iron disc with Nylon coated, SS-431 Stem, EPDM integrally moulded liner with hand lever/Gear Box. Valves up to 150 mm NB shall be with detachable hand lever operation whereas valves above 150 mm NB shall have warm gear operation.
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250 mm dia without insulation
3
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200 mm dia without insulation
18
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150 mm dia with insulation
12
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100 mm dia with insulation
30
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80 mm dia with insulation
10
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POT STRAINER MS
SITC of the following Water line POT-Strainer as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements. Pot-strainer shall be fabricated out of Mild Steel, flanges as per BS 10 shall be provided at inlet and outlet of the connection. The body shall be pressure tested at 16 Kg/cm² and shall be hot dip galvanized. Permanent magnet shall be provided in the body of the strainer to arrest MS particles. Filter element shall be of non-magnetic 20 gauge SS sheet with 3 mm perforatio.
a) 250 mm NB
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Y-STRAINER MS
SITC of the following Water line Y-Strainer as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: Y-strainer shall be fabricated out of Mild Steel, flanges as per BS 10 shall be provided at inlet and outlet of the connection. The body shall be pressure tested at 16 Kg/cm ² and shall be hot dip galvanized. Permanent magnet shall be provided in the body of the strainer to arrest MS particles. Filter element shall be of non-magnetic 20 gauge SS sheet with 3 mm perforation.
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200 mm dia without insulation
3
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150 mm dia with insulation
3
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BALANCING VALVE
S & F of the following Water line Balancing - Valve as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: The valves shall be designed for PN 16 rating as per standard. The valves of sizes 32 mm to 65mm dia. shall be of gun metal / cast iron construction with screwed ends angular design hand wheel with locking facility. Whereas valves of sizes 80mm and above shall be of cast iron construction with internal parts of SS 410 and EPDM / nitrile seat with flanged ends. The test cocks should be long enough to protrude out of valve insulation.
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200 mm dia without insulation
3
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150 mm dia with insulation
3
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100 mm dia with insulation
6
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80 mm dia with insulation
2
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Insulated Condensate Drain Piping Supply. Intallation, Testing and Commisioning of Insulated Condensate PVC Drain piping as per Inulation with Nitrile rubber Sheet / Tubler.
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50 mm dia 19mm thick insulation
150
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32 mm dia 19mm thick insulation
50
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3-WAY MIXING VALVE WITH ACTUATOR, LINKAGE & THERMOSTAT
The three way modulating valves shall be provided in chilled water line to the cooling coil of Air- handlers which is actuated by a proportionate thermostat. These valves shall consist of bronze metal valve body with stainless steel trim with linear flow characteristics. Modulating motor shall be suitable for operation with a signal of 0-24 volt DC.
The pressure drop across valve for air-handler unit shall not exceed 5.0 PSI. The valve linkages shall be of the same make as of valves & modulating motor.
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80 mm dia with insulation
6
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65 mm dia with insulation
2
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Supply, installation, testing & commissioning of Flexible connections / Expansion Bellows of suitable PN 16 pressure rating to be installed at Pumps / Chilers inlets & outlets as per Specifications.
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200 mm dia
12
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150 mm dia
18
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NON RETURN VALVE
S &F of the following Water line Non Return - Valve as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements : The dual plate check valves shall be used for horizontal / vertical run of pipes & shall conform to PN 16 rating as per standard. The valves shall have cast iron body, and SS 410 plates, SS 410 Shaft & Nitrile Seat.
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200 mm dia without insulation
3
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150 mm dia without insulation
3
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SITC of water Flow Switch
6
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SITC 20 mm Auto air vent.
10
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Sheet Metal ducting
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Supply, installation, balancing and commissioning of factory fabricated 120GSM Class VIII GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as
required.
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24 G GI ducting -from 0-750 mm
2000
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22 G GI ducting -from 751-1500 mm
700
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20 G GI ducting -from 1501 to 2250 mm
400
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18 G GI ducting - 2250 mm and above
10
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Insulation
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Supplying and fixing of following thickness closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required.
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19 mm thick
3000
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Supply, erection of Duct liner (Acoustic Insulation) of specified thickness of Open cell Elastromeric Rubber Insulation with antimicrobial protection manufactured as per ASTM E 84 test & which should also meet NFPA 90A supplementary materials for air distribution system which should not absorbs less 0.2% water by volume . Adhesive shall be of low VOC preferably Fevicol ac duct king optima / equivalent.
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10 mm Thick
400
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UNDERDECK INSULATION
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SITC of underdeck insulation by 50 mm thick TF quality Expanded polysterene slab (16 Kg/Cum) with bituminous adhesive compound, wire, washers etc as required (as per direction of EIC)
600
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Supply, installation, testing and commissioning of following air terminal devices
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Supply, Installation, testing & Commissioning of opposed type Duct Dampers GI manual type.
10
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SITC of powder coated extruded aluminium section supply air grille /diffuser with volume control dampers as required (as per direction of EIC) .
25
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SITC of powder coated extruded aluminium section return air grille /diffuser without volume control dampers as required (as per direction of EIC).
35
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Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes I/C control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.
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Damper
15
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Actuator
8
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ELECTRICAL
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CHILLER PANEL: SITC of floor mounted Indoor type extensible cubical type LT Panel,fabricated by CPRI approved panel maker as per size, design & drawing to be approved by EIC and conforming to relevant IS with latest modification and as per detail specification and approve make attached ( uploaded in the specification section) [I/C 800A 4P ACB - 2 Nos & Buscoupler 800A 4P ACB - 1 No with electrical-mechanical Interlock, BBC 1000A 4 Bars- 1 Set, O/G : 400 A 4P MCCB - 4 nos, 160A 4P MCCB - 1 no, 125A 4P MCCB --- 10 nos.]
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Supply, installation, testing and commissioning of wall mounted cubical type LT distribution control panel & VFD Bypass Starter Electrical Panel Board fabricated from sheet steel comprising with following accessories incl. internal wiring earthing & painting. The panel should be constructed as per rating of AHU Morots and provision for two separate circuit (1W+1S) as per direction of EIC.
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a) MCCB suitable rating as Incomer & outgoing per the ratings of AHU motor.
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b) DOL / SD starter as per HP ratings---2 Nos
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c) VFD and Bypass Starter as per HP ratings --- 2 Nos
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d) Terminal block for power distribution.--- 2 Sets
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e) Power Contactor for Main, Star & Delta, I/P & O/P of VFD, auxilary contractor, over load relay, with inbuilt single phasing protection, control transformer ---- 2 Sets
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f) Phase indicating lights and indicating light for ON , OFF & TRIP status. --- 2 Sets
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g) Voltmeter and Ammeter with selector switches --- 2 sets
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h) Wiring for microswitch for stopping the fan of AHU when fire damper closes.
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(i) Panel mounted digital Ammeter in 96x96 mm² (AE / HPL) [0 - 50 Amp.]
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(j) Panel mounted digital Voltmeter in 96x96 mm² (AE / HPL) [0 - 500 V]
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(K) VFD & Manual selector switch with suitable capacity.
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(l) Selection switch for Circuit -1 (Motor/VFD) & Circuit-2 (Motor/VFD).
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(m) 24V, DC relay with 2NO & 2NC auxilary contractor --- 1 set
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(n) 230VAC/24V DC, 2 A SMPS with necessaty wiring --- 1 set
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(o) Danger Board.
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SITC of 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) Al cable for Power and Copper for Control line conforming to IS: 7098 / 1988 with its latest amendment of following sizes and lengths inclduing supply and fixing double compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below including 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 (as per direction of EIC)
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a) 3.5 Core 240 Sqmm
150
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b) 3 Core 25 Sqmm
210
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c) 3 Core 16 Sqmm
300
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d) 3 Core 10 Sqmm
240
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e) 3 Core 6 Sqmm
180
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S&L of 1.1kV Gr. PVC armourd copper Cable with earthing of required sizes as following sizes:-
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a) 3 Core 1.5 Sqmm
150
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SITC of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. SITC GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support With SITC 25x25x3mm angle iron support (as per direction of EIC)
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a) 600 mm x 50 x 1.2mm
50
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c) 300 mm x 50 x 1.2mm
60
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d) 200 mm x 50 x 1.2mm
80
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SITC earth Bus Bar for equipment connection.
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a) SITC of earthing of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall/floor (as per direction of EIC)
150
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b) SITC of Solid GI (Hot Dip) wire of size 2 length X 8 SWG (as per direction of EIC)
1500
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TERMS & CONDITIONS
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a. Rate should be quoted inclusive of all applicable taxes and Duty etc.
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b. The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them.
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c. Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill.
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d. If any refurbished material is supplied and installed, penal action will be taken as per existing rules.
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