Inter University Accelerator Centre Tender
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Inter University Accelerator Centre - IUAC Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date4 Feb 2020
Closing Date27 Feb 2020
Tender Amount₹ 2,25,00,000
Costs
EMD
₹ 4,50,000Document Cost
₹ 500Tender Fee
Refer Documents
Description
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Contact
Tender Id
2020_IUAC_541396_1Bid Award Id
ViewTender No
IUAC/NIT/53/BKG/2019-20Tender Authority
Inter University Accelerator Centre ViewPurchaser Address
-Website
http://eprocure.gov.in
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Documents
BOQ Items
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Flow switch, Size – 1" BSPTM, S.S. leafs including welding of M.S. Heavy & long threaded socket on pipe, wire etc.
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Pressure relief valve, Size – 1”, NB150 lbs, Brass / Bronze body with M.S. Heavy & long threaded Socket welded on pipe, M.S. heavy Threaded nipple, S.S. Ball Valve ( Shenco) for Chiller Unit condenser / evaporator return lines.
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Providing nozzles, Size-1” NB, for drain, chemical circulation, inlet / outlet of Chiller including welding of M.S. Heavy long threaded Sockets, S.S. heavy threaded nipple and S.S. Ball valve screwed ends ( Shenco-make).
12
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Charges towards Spares Parts suitable for Item no-1 as below: i. Touch type Controller / Display unit with screen
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Electronic Refrigerant Expansion valve
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Temperature transducer for condenser / evaporator water and refrigerant.
6
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Pressure transducer for evaporator / condenser water and refrigerant
4
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Solenoid valve for oil return line
2
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Solenoid valve for master oil line
2
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Solenoid valve for load, unload control
2
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Oil loss level switch
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Oil Heater
2
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Refrigerant Liquid Level Sensor
2
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Oil/Refrigerant Filter Element
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Annual maintenance Contract charges for next five years after warranty period, including quarterly preventive maintenance visit, to attend all break down visits, oil testing once a year, descaling of condenser once a year etc. (AMC shall be carried out by the OEM/OES. Bidder shall facilitate the same to place the AMC directly on OEM / OES of Chiller) 1st Year
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2nd Year
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3rd Year
1
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4th Year
1
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5th Year
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Chilled Water Horizontal centrifugal pump, back pull out type, flow rate - 150 CMH or suitable for quoted chiller unit against working Head - 45 m approx or as required, complete working unit as per specifications and as required including: a) Water pump as required b) Electric Motor, SPDP squirrel cage induction Class-B motor, Insulation Class-F', 415V+-10% volts, 3 Phase, 50Hz, 1450 RPM as required c) Mechanical seal as required d) Flexible spacer coupling set as required e) 32 mm thick nitrile rubber foam insulation on pump casing f) Mounting Common frame for pump and motor : The pump and motor shall be mounted on a common frame, fabricated from MS C-channel of 125 mm x 6 mm thick minimum fabricated steel, painted with one coat of epoxy primer and two coats of epoxy paint. The single base plate (grinding finish), 12 mm thick, shall have rigid, flat & true surfaces, each for the pump and motor mounting feet. It shall have necessary holes for grouting to the foundation, mounting fasteners for pump and motor, T/L grouting bolts as required. g) Foundation / inertia block : Only one Pump and motor assembly to be installed on each inertia block. The total weights of pump and inertia block shall be twice to thrice the weights of the pump/motor/base plate. The inertia solid block of minimum Size of extending 150 mm all around the base frame, suitable height ( not less than 250 mm ) with all around frame of M.S. equal angle 50 x 50 x 6 mm, steel reinforcement grid of 100 mm max. made of steel bar 8 mm dia, cement : sand : concrete mixture of 1:1.5:3 to be made, properly leveled and 12.5 mm thick plastered with water proofing cement, duly painted with water proofing paint.. The inertia block shall be floating on vibration pads of 150 x 150 x 12 mm - 4 nos each placed at total 12 places as required. h) Axial and radial alignment between motor and pump shaft 0.05 mm.
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Condenser Water Horizontal centrifugal pumps, back pull type, each of the flow rate mentioned below, against working Head- 25 m approx. or as required, complete working unit as per specifications and as required including: a) Water pump as required b) Electric Motor, SPDP squirrel cage induction Class-B motor, Insulation with class- F, 415V+-10% volts, 3 Phase, 50Hz, 1450 RPM as required c) Mechanical seal as required d) Flexible spacer coupling set as required e) Mounting Common frame for pump and motor : The pump and motor shall be mounted on a common frame, fabricated from MS C-channel of 125 mm x 6 mm thick minimum fabricated steel, painted with one coat of epoxy primer and two coats of epoxy paint. The single base plate (grinding finish ), 12 mm thick, shall have rigid, flat & true surfaces, each for the pump and motor mounting feet. It shall have necessary holes for grouting to the foundation, mounting fasteners for pump and motor, T/L grouting bolts as required. f) Foundation / inertia block : Only one Pump and motor assembly to be installed on each inertia block. The total weights of pump and inertia block shall be twice to thrice the weights of the pump/motor/base plate. The inertia solid block of size extending not less than 150 mm all around the base frame, suitable height ( not less than 250 mm ) with all around frame of M.S. equal angle 50 x 50 x 6 mm, steel reinforcement grid of 100 mm max. made of steel bar 8 mm dia, cement : sand : concrete mixture of 1:1.5:3 to be made. properly leveled and 12.5 mm thick plastered with water proofing cement, duly painted with water proofing paint. The inertia block shall be floating on vibration pads of 150 x 150 x 12 mm - 4 nos each placed at total 12 places as required g) Axial and radial alignment between motor and pump shaft 0.05 mm. i. Flow capacity – 240 CMH or as required
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Flow capacity – 190 CMH or as required (Specifications same as item #3)
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Providing nozzles, Size - 1/2” NB, for inlet / outlet of pumps including welding of M.S. Heavy threaded Sockets and S.S. Plug
5
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FRP Cooling towers of 825000 kcal/hour (275 TR) heat rejection capacity, flow capacity of 275 m3/h, condenser Water Inlet/Outlet Temp. 36.4 /32.2 oC, Design ambient WBT- 28.2 oC, Design Approach- 3.9 oC with assembly with FRP water basin of not less than 300 mm height, PVC fillings with integral louvers and drift eliminators complete with hot water basin / PVC pipe header fitted with spray nozzles, statically and dynamically balanced axial flow type direct driven or driven through reduction gear box fan- with TEFC induction motor, suction screen, drain connections with valve, suitable inspection ladder, access arrangement for cooling tower interior, fan blades & hub assemblies, fan casing, water distribution system, water outlet S.S screen, side panels, fan guard, internal support, inlet & outlet flanges etc. complete as per specification and technical data sheet.
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Digging in hard soil / Stone area up to depth of 500 mm and shifting of malba at suitable place at distance of 800 mm in to site.
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Foundation made of RCC pillars / beams of suitable size and number ( Cooling tower will be installed at 6 ft high from floor level) suitable for Cooling Tower as per Manufacturer's design including digging 3ft x 3 ft x 3ft in Stone area etc. M.S. Tor Bar Jaal, 150 mm grid made of 8 mm minimum dia M.S. tor bars, made with water proof cement: sand: concrete mixture 1:1.5:3, properly leveled and 12.5 mm thick plastered with water proofing cement. Duly painted with water proofing paint.
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Water proofing painting with one coat of suitable primer and two coats of paint for item #4.2, 2 (g), 3 (f) & 4.
165
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Steel C- Channel base, Hot Deep Galvanised Steel, Size-150x75x6.5, bottom flange shall be grouted on RCC beams with 5/8” Dia bolts, Top flange shall be bolted to Cooling tower bottom ends. Intermittent support grid of 750 mm of LSection-50x50x6 mm shall be provided including one coat of epoxy primer and two coats of Grey Shade epoxy paint. Suitable for item no. 4.1
1200
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Steel Structure made of Hot Deep Galvanised Steel I-Beam, plate, sections of suitable size and design approved by IUAC engineer, for Overhead operation for removal / re-fixing of cooling tower fan motor over 4 no.- cooling towers including one coat of epoxy primer and two coats of Grey Shade epoxy paint, fasteners, plates, scaffolding etc.
2500
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Manual Geared Trolley suitable for 1 Ton Capacity Manual Chain Pulley Block.
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Isolator on / off switch of 32 Amp, for cooling tower fan with weather proof FRP / plastic box of suitable size with door with wing nut.
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Local on / off control of cooling tower fan motor on cooling tower for each tower including weather proof FRP / PVC box and controls . Cable as per item rate -21.
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Automatic on / off control of cooling tower fan motor complete including water temperature sensor, temperature controller, addition / modification in electric fan motor starter panel, supply and welding of M.S. Socket in return header etc. ( cable as per BOQ Item rate – 21).
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Digital Water Low / High Level Sensor (Stainless Steel) with Low / High level signal for Expansion Tank (height of 1200 mm) & Cooling tower under ground Tank (height of 2000 mm) for Indicating unit at a distance of upto 100 meters.
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Digital water level LOW / HIGH, 1” LED Indicating unit suitable for above unit including one no. of alarm and blinking light signal.
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M.S Black Pipe, ERW (including fittings like tee, bends, reducers, supports, necessary clamps, vibration isolators but excluding valves, strainers, gauges, flanges) as per specifications and as required of following sizes: Size - 12" NB, 6 mm thick, as per IS – 3589 including 3 mm thick corrosion protection painting / coating.
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Size - 8" NB, 6 mm thick, IS – 3589 (Specifications same as item #5)
140
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Size – 6" NB, Heavy Class, IS-1239 (Specifications same as item #5)
60
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Size - 4" NB, Heavy Class, IS-1239 (Specifications same as item #5)
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M.S. Flanges, rating – 150 lbs, ANSI B16.5, RF-serrated type including gaskets, bolts, nuts & washers etc. as required as following: Size - 12"NB
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Size - 8" NB (Specifications same as item #6)
108
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Size - 6" NB (Specifications same as item #6)
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Size - 5" NB (Specifications same as item #6)
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Size - 4" NB (Specifications same as item #6)
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Size – 2" NB (Specifications same as item #6)
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Blind Flange, rating 150 lbs, RF-serrated type including gaskets, bolts, nuts & washers etc. as required as following: ISize - 12"NB
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Size – 8"NB (Specifications same as item #7)
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Size – 6"NB (Specifications same as item #7)
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Size – 4"NB (Specifications same as item #7)
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Size – ½"NB (Specifications same as item #7)
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Butterfly Valves, PN16 rating I. Size - 8" NB
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Size - 6" NB (Specifications same as item #8)
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Size - 4" NB (Specifications same as item #8)
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Fixing (only) of 4”NB after descaling
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Size – 2" NB (Specifications same as item #8)
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8” NB, NRV, Dual S.S.Plate Center Hinged type, Spring loaded, C.I. Single piece cylindrical Body, Pressure ratings PN10 :
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Balancing Valve, C.I. Body, Flange ends, PN 10, S.S. Disc & stem, with micro meter scale, pressure test brass cocks : Size-8" NB
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Size-4" NB (Specifications same as item #10)
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8” NB, Y-strainer, M.S. Fabricated body, 3 mm S.S. mesh, Flange ends, PN10
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Pressure Gauge 6” Dial, Range 0-10 kg/sqcm, bottom connection 3/8” BSPT, brass bourdon tube with Extra Long M.S. Threaded Heavy duty Socket welded on pipe, S.S. Nipple Sch 40, S.S.Ball Valve (Shenco - make), S.S. U-tube ( Sch 40), S.S. Bar socket etc
31
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Industrial Glass Thermometer, Range 0-50 Deg C, Size3/4”BSPT, M.S. Long Threaded Heavy duty Socket welded on pipe, long heavy duty bellow made from brass bar.
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Thermal Insulation of with 75 mm thick TF quality expanded polystyrene pipe section of density 24 kg/cum, applying of CPRX by brosh on both surfaces of pipe and TF section, hold together by the PVC strip of ½ “ width at 600 mm gap, wrapping of polythene sheet of 250 micron thickness as vapour barrier, joint sealed with 4” wide PVC tape & covered by 26 G Al. sheet cladding etc. as per specifications of the following sizes: Size - 8" NB Pipe
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Size - 6" NB Pipe (Specifications same as item #14)
60
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Size - 4" NB Pipe (Specifications same as item #14)
24
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Butterfly / check valves 8" NB size (Specifications same as item #14)
12
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Balancing Valves / Y-Strainer, 8" NB size (Specifications same as item #14)
5
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S.S. Bellow, PN 10, M.S. End flange ( drilling as par ANSI B16.5), S.S. Braid with alignment studs as below: Size : 8” NB x 150 mm long
22
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Size : 8” NB x 150 mm long (fixing in old pipe line after cutting and re - welding of the same. (Specification same as item #15)
14
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Size : 4” NB x 150 mm long ( in old pipe line after cutting and re welding of the same. (Specification same as item #15)
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The electrical power LV panel board of cubical type, compartmentalised design made of 2.5 mm and 2 mm thick CRCA powder coated sheet having necessary cable alleys, connections and inter-connections suitable for 415V/3Ph/50Hz/35MVA rupturing capacity providing power to the water chilling units, pumps, cooling Towers, AHU's etc. The panel should have digital VAF meter with energy parameter (kVAH & kWH both) of conzerv make at incomer & ACB outgoing section along with CT's & PT's as required. The accuracy class of the meter with CT's, PT's shall be 0.5 or better. This panel should also have following incoming / outgoings. a) Manually operated draw out type incomer ACB of 1000 Amps & 800 Amps, 3 pole, 415 V, 35kA breaking capacity- 1 nos each b) Manually operated draw out type 630A, 3 pole, 415 V, ACB outgoing for chilling units - 2 nos c) Star-delta starters of required capacity (40 HP approx.) suitable for chilled/condenser water pumps as per required capacity of pumps with MCCB, contactors, timer, O/L relay, single phase preventor, On-Off indications, push buttons, VAF Meters etc complete as required. - 10 nos d) DOL starters of 10 HP- suitable for existing cooling tower fans with MCCB, contactors, timer, O/L relay, single phase preventor, On-Off indications, push buttons, VAF Meters etc complete as required – 2 nos e) DOL starters of suitable capacity and number suitable for the quoted cooling towers fans (2 no. of 5HP each or 1 no. of 10 HP each) with MCCB, contactors, timer, O/L relay, single phase preventor, On-Off indications, push buttons, VAF Meters etc complete as required – 2 nos f) 630A, 3 pole, 35 kA, MCCB with VAF meter (AHU/BH-III panel- 1) – 1 nos g) 200 A, 3 pole, 35 kA MCCB, with VAF meter ( in use-1, spare-1) – 2 nos h) 63A, 3 pole, 10 kA MCB, spare – 3 nos i) 32A SP MCB, 10 kA , spare – 10 nos
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SITC of 150 kVAR Automatic Power Factor Correction Panel of 5 stages Microproprocessor Controlled APFC relay having 400A MCCB, 35 kA as incomer and 50, 40, 25, 25, 10 kVAR APP type 3 phase power capacitors controlled with 160A, 100A, MCCB and 63A, 32A MCB with suitable size Capacitor Duty Contactors, timers, puch buttons, ON/OFF indications, Auto/Manual control etc complete as required.
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Replacement of Existing control desk including dismantle / disconnection of 2nos of old panels and SITC of new floor mounted desk type control console cum indicating panel complete working unit containing various on/off LED indications and Push button on/off controls. It shall be complete, shall be fabricated from 2.5/2 mm M. S. Powder coated sheet of approved design, contactors, internal wiring, base C-channel, PCC foundation etc. with following indicative accessories: a) Push buttons and LED indicators for remote start & stop and status (On, Off) indication for each condenser / chilled / booster water pumps. - 12 nos b) Push buttons and LED indicators for remote start & stop and status indication for AHU – 12 nos c) Push buttons and LED indicators for remote start & stop and status indication (On, Off) for each cooling towers motors – 4 nos d) Low / High water level indication for each cooling tower with the alarm and blinking light signal – 2 nos ( as per BOQ Item - 23) e) Low / High water level indicating Unit for each Expansion tank with the alarm and blinking light signal – 2 nos ( as per BOQ Item rate- 24) f) The existing cable shall be disconnected from the old panel and the same shall be connected to the new console panel. Any new cable if required shall be supplied and fixed (as per Item rate in S.N. - 21) including terminal block, termination, lugs etc. g) Fixing of digital temperature Indicating Unit and 12 position selector switch for return air temperature from AHU rooms ( as per BOQ Item rate- 23) and cable. ( cable as per BOQ item rate -21)
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Power Cable XLPE insulated PVC sheathed, steel / wire armoured, aluminium conductor cables of following sizes for electric from supply main panel to various loads including interconnections from starters to motors on suitable cable trays / supports, including suitable double compression glands, Terminal lugs, connections etc. as per specifications as required : 1 core x 70 sq mm or as required, copper conductor, 1.1 kV rating, unarmoured for Water chilling Units
240
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3 core x 35 sq mm, 1.1 kV rating for chilled /condenser water pumps in existing cable tray
500
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3 core x 16 sq mm 1.1 kV rating for cooling towers (specifications as above) in existing cable tray
200
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3.5C x 240 sq mm in existing cable tray / cable trench
200
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Supply and making cable end termination for 3.5Cx240 sqmm aluminium armoured LT cable by using suitable thimbles, double compression brass cable glands etc as required.
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Installation of 150 mm to 450 mm wide overhead GI ladder type cable tray by providing suitable anchor bolts in ceiling, hanging ronds, angle iron supports etc as required. ( Old cable tray shall be used)
50
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Excavation of 300 mm x450 mm cable trench in ground for laying cables including back filling of same by using suitable quantity sand, bricks etc as required.
15
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Control Cable XLPE insulated PVC sheathed, steel / wire armoured, underground copper conductor cables including interconnections between starters, instruments,equipments, control console on suitable cable trays, supports, saddle, clamps, screws, double compression glands, Terminal lugs, termination etc. as per specifications as required : 2C x 1.5 sq mm 1.1 kV rating cable
1000
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3C x 1.5 sq mm 1.1 kV rating cable (specifications same as item #21)
1000
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6C x 1.5 sq mm 1.1 kV rating cable (specifications same as item #21)
500
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8C x 1.5 sq mm 1.1 kV rating cable (specifications same as item #21)
1000
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Digital temperature sensor PT100 for return air for mounting in AHU rooms and chamber for indicating unit at a distance of upto 100 meters.
12
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Digital Temperature Indicating Unit 1” LED suitable for above unit.
1
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Rotary Selector Switch with 12 position
1
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Supply & fixing 25 x 6 mm GI strip on surface or recess for earth connection, jointing with the existing strips, complete as required
20
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Supply & fixing 6 SWG dia GI wire on surface or recess for loop earth connection complete as required.
200
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Dismantling of Existing Softener Plant including removal of resin tank, sintex water tank, piping, valves, resin, bed material. Lifting , shifting and Re-installation of the same to nearby place including re-assembly of old pipes, new civil foundation, descaling of all valves etc complete as required. (It may or not be executed depending on site condition.)
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Dismantle of old HVAC main electrical panel including disconnection of all cables and trays, removing from the place, loading, shifting and un loading of the same at a distance of 800 m within IUAC.
1
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Dismantling of existing Reciprocating water chiller 100 TR including piping upto header, electricals upto panel, foundation, loading / unloading and shifting of same at a distance of 800 m within IUAC. Valve / balancing valve shall be unbolted from piping without damage and handed over to IUAC. (Please note that the unit shall be shifted in assembled condition with compressor, motor, chiller, condenser, piping )
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Dismantling of existing chilled / condenser water pumps including piping upto header, electricals upto electric panel, foundation block etc. loading, unloading, shifting of same at a distance of 800 m within IUAC. Valves, Y-strainer, check valve, etc shall be unbolted from pipe without damage and handed over to IUAC. (Please note that the unit shall be shifted in assembled condition with pump, motor, base frame.)
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