Public Works Department Tender
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Public Works Department - PWD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date25 Nov 2024
Closing Date13 Dec 2024
Tender AmountRefer Documents
Costs
EMD
₹ 42,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_PWD_504395_1Tender No
19BCMCBE15112024(5)Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://tntenders.gov.in
GEM & Bid Advisory Services
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BOQ Items
Supply and fixing of 18W LED square type Recessed fitting with LED (Higher end) on false Ceiling with suitable hanging support from ceiling with PVC unsheathed copper leads from terminals to the fitting.
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Supply and fixing of single box type 4'20W LED fitting complete with TW round blocks on wall or ceiling with 20 W LED TubeLight (Double Side) with PVC unsheathed FRLS Copper leads from terminals to the fitting.
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Supply and fixing of 9W LED Lamp for BH Point.
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Supply and fixing of 1200mm (48") sweep BLDC ceiling fan complete with 2 module 100w fan step regulator [Higher End] with 300mm down rod on the existing clamp.
48
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Supply and fixing of 12" (300 mm) Wall mounting fan on wall with necessary connection complete.
4
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Supply and fixing of 300mm (12") sweep (light duty) AC exhaust fan complete with necessary wall opening and making good of the wall.
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Supply and fixing of louvers shutters arrangements for 300mm (12") sweep (light duty) AC exhaust fan.
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Supply and fixing of 450mm (18") sweep (Heavy duty) AC exhaust fan complete with necessary wall opening and making good of the wall.
6
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Supply and fixing of louvers shutters arrangements for 450 mm (18") sweep (heavy duty) AC exhaust fan.
6
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Supply and fixing of 3nos.6A two module 5 pin socket, 3 nos. 6A one module switch on suitable module surface mounting Box (Plastic) with module cover plate (plastic) on wall with connections. Higher End.
61
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Supply and fixing of 1 no.6/16A two module socket, 1 no. 16A one module switch on suitable module surface mounting Box (Plastic) with module cover plate (plastic) on wall with connections. Higher End.
70
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Supply and fixing of 20Amps DP plug and socket in sheet steel enclosure with 32A DP MCB on wall with earth connection.[For AC Plug]
15
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Renewal by Supply and Run of 2 of 2.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 2.5 sq.mm copper wire with painting of suitable colour.
500
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Renewal by Supply and Run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection by 4sq.mm. PVC insulated SC unsheathed FRLS copper wire with painting of suitable colour.
1100
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Renewal by Supply and Run of 2 of 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection by 6sq.mm. PVC insulated SC unsheathed FRLS copper wire with painting of suitable colour.
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Supply and Run of 4 of 16 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection by 16 sq.mm. PVC insulated SC unsheathed FRLS copper wire with painting of suitable colour.
300
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Supply and fixing of 12 way single pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 32A DP MCB switch as incoming and 10 nos. 6A to 32A SP MCB as outgoing on suitable angle iron frame on wall with earth connection only. Higher End.
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Supply and fixing of 7 Segment 4way TPN MCB Sheet Steel Distribution Board with metal/acrylic door cover flush type / surface type fitted with busbars and neutral links with single or three phase MCB outgoings and seperate 4way provision for accomodating 1No 4Pole incoming MCB/Isolator and another seperate 4Way provision for accomodating 1No. 4Pole ELCB/RCD (Totally 8ways in one segment)(3x4 ways in each segment )and seperate provison for MCB/Isolators (Totally 12 Nos) for sub incomers in 3 segments with label holder an provison for taking of cable for size not less than 35 sq.mm with the following in flush with wall earth connection only.
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1)63A 4P MCB - 1No
2)63A 4P 30MA RCCB/ELCB-1No
3)63A DP MCB Isolator - 3Nos 4)6A to 32A SP MCB - 12Nos
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Supply and fixing of 7Segment 6way TPN MCB Sheet Steel Distribution Board with metal/acrylic door cover flush type / surface type fitted with busbars and neutral links with single or three phase MCB outgoings and seperate 4way provision for accomodating 1No 4Pole incoming MCB/Isolator and another seperate 6Way provision for accomodating 1No. 4Pole ELCB/RCD (Totally 8ways in one segment)(3x4 ways in each segment )and seperate provison for MCB/Isolators (Totally 12 Nos) for sub incomers in 3 segments with label holder an provison for taking of cable for size not less than 35 sq.mm with the following in flush with wall earth connection only.
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1)63A 4P MCB - 1No
2)63A 4P 30MA RCCB/ELCB-1No
3)63A DP MCB Isolator - 3Nos 4)6A to 32A SP MCB - 18Nos
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Supply, Erection, Testing & Commissioning of 250A capacity Dust & Vermin proof cubicle panel made out of 16SWG CRCA sheet steel enclosure with supply & fixing of the following interior mounting fuse switches with HRC fuses with a central bus bars chamber & two numbers of Horizontal cable chamber at top and bottom.
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250A FP SDF Double Break switch with HRC fuse units - 1Nos as incoming.
Outgoings: 63A TP SDF Double Break switch with HRC Fuse units - 10Nos.
The bus bar chamber consist of 3nos. of 30mmx6mm Copper flat for three phases and also for interconnection for 250A switch and 1no. of 25mmx3mm Copper flat for neutral. The interconnection of 63A SDF DB Switches with No.8 SWG Copper Conductor. And Double earth connection to all the switches should be done using No.8 SWG Copper conductor. The buses
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should be mounted on the SMC bus insulator at proper & sufficient spacing between the buses as per IE rules.The bus bar chamber should be segregated from the adjacent chamber by providing hylem sheet of 6mm thick as partition 2 runs of 1"x¼" copper flat should be provided all around the panel for earth connection. Phase & Neutral copper buses should be provided with heat shrinkable sleeves using RYB & Black colours. Indicator lamps should be provided with toggle switches & Bakelite fuse unit. The capacity of fuse switches, size and route location should be Supercribed on the panel. The panel should have a separate mounting chamber at the top side consisting of suitable Digital multi processing metering arrangements along with CTs, Led Indicator lamps should be provided with control toggle switcher and bakelite fuse unit.The panel should be painted with two coats of high quality enamel paint over one coat of red oxide primer, the cable size, capacity of switch, location etc., should be marked with white paint and 2 Nos, metallic danger board affixed complete with mounting on base channel supports.
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Supply and fixing of 5000 VA Single Phase input, Single Phase Output Sine wave online electrical inverter with 4Nos.12V 120 AH Exide EP Series SMF Maintenance free Battery Bank with 1 Hour back up and 24 months warranty for mentioned capacity on full load operation and the following features[UTL Make] a. Inverter shall be free from workmanship defects sharp edges, nicks, scratches, burs etc.. All fasteners shall be fixed properly. The equipments shall be complete with all parts and all parts shall be Functional.
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b. Enclosure shall conform to protection requirement of IRL to IS 13947(Part 1) 1993.
c.Switching Device shall be most ET(or) IGBT d. Switching frequency shall be above 50 HZ II. Input 220V to 250V 50 HZ single phase AC III.Output: The variation of Output Voltage from No-Load to Full load voltage shall not exceed +1.5% over +10% and 20% variation of the rated DC input Voltage.The frequency of the Output voltage shall be 50HZ + 1.3% IV. Inverter Efficiency minimum 85% as per CIT 93 of ISS. V. Over Load:Inverter Shall withstand 10% overload for atleast 10 minutes. VI. Protections a. Input voltage goes outside the range 120 to 260 Volts, the system shall switch over to inverter mode b. Over voltage short circuit and over load at inverter output terminals.
c. Battery Reverses Polarity.
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d. Protection against over discharge. The load shall be cut off soon as the voltage of the battery terminal falls below. i) 10.5V for 12V and ii) 21V for 24V battery system. e. The inverter shall incorporate an arrangements for automatic change over of load from main supply to the inverter AC output incase of failure of mains suooly with correct pending indication as per cl.5.6 of IS 13314/1992 f.Inverter should have surge protection also. VII. Indicators a.Following indicators shall be provided. 1. Mains presence.
2. Mains mode 3.Battery charging. 4.Inverter mode 5.Battery Low.
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Supply, Erection, testing and Commissioning of 1.5 Ton split type AC units along with digital display remote control unit fitted with Hermatically sealed energy efficient compressor operation on energy efficient Refregerent Non CFC suitable for floor mounting, wall mounting, ceiling mounting confirming to IS (3 Star Rated).(including power consumption norms) suitable for operation on 230V, 50 HZ single phase AC supply capable of performing 1) Cooling, 2) Dehumidifying, 3) Air Circulating,4) Filtering.(3 star rated)
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The installation works for the split type AC unit includes the following.
1. Mounting / fixing indoor and outdoor units at the respective locations.
2. Laying refrigerent pipe line of required length not exceeding 3mtr. Distance and connecting both units after drilling holes in the wall if required. Thickness of the copper tube shall not be less than 0.7mm.
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3. Installing the suction pipe with expanded frame with suitable tubing.
4. Laying 15mm dia flexible PVC drain pipe to drain the condemnate water being formed with in the indoor unit.
5. Leakage testing the entire system.
6. Charging refrigerant gas in the unit.
7. Suitable electric wiring to be provided with 2.5 sqmm PVC insulated copper wire between indoor and outdoor unit type 6mtr.Length and upto switch with in the 3 mtrs of location of indoor unit.
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Supply and fixing of 4 KVA Voltage stabilzer suitable for 1.5TR split type AC unit high/low voltage cut off time delay relay with input voltage cut off time range of 170V - 270V and out put range of 200 - 240V with 3 minutes time delay relay
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Supply, erection, testing, commissioning and handing over of 2.0 TR capacity (6000K.Cal./Hr) High wall single split type Air Conditioning unit 3 star rated energy efficient fitted with hermetically sealed compressor operating on Refrigerant R 22 Non CFC for wall mounting with maximum guaranteed cooling capacity and minimum power consumption on 230V, 50Hz single phase AC supply complete of performing following functions.
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1. Cooling
2. Dehumidifying
3. Air Circulating
4. Filtering
The installation works for the above split type AC units includes the following.
1. Mounting/fitting the Indoor and Outdoor units at their respective locations.
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2. Laying refrigerant piping of required length for the length of 6mts to connect the Indoor and Outdoor units after drilling holes in the wall if required. Thickness of the copper tubing shall not be less than 0.7mm.
3. Insulating the suction pipe with expanded polythene foam.
4. Laying of 15mm dia flexible PVC hose drawn to throw out the condensed water being formed in the indoor unit.
5. Leak Testing the entire system.
6. Suitable electric wiring with 3 core 2.5 sq.mm PVC insulated copper wire between Indoor and Outdoor unit up to 6mt length and up to switch within 3mt. of location of Indoor unit
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Supply and fixing of 5 KVA Voltage stabilzer suitable for 2TR split type AC unit high/low voltage cut off time delay relay with input voltage cut off time range of 170V - 270V and out put range of 200 - 240V with 3 minutes time delay relay.
4
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Supply and laying of 5/8" and 3/8" copper pipe (Extra beyond 3 metres supplied with AC unit)
30
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Supply and fixing of MS stand for fixing outdoor unit
11
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Supply, Fabrication, Erection, Testing and commissioning of indoor dust and vermin proof four compartment CT Metering panel made up of 16SWG CRCA sheet of size 48" x 48" x 18" with necessary stiffner and provided with following arrangements. 1. Front open door for each compartment provided with sealed locking arrangement. 2. 6mm thick hylam sheet in metering compartment for fixing 3phase 415V 4wire 50Hz Digital Energy meter provided by TANGEDCO. 3. 3Nos 1.5" x 1/4" and 1" x 1/4" Copper bus bar on suitable bus support with 3Nos 200/5A CTs in bus bar compartment. 4. 3Nos 200A fuse unit & 1no 150A neutral link on 6mm thick hylam sheet in fuse compartment.
5. Fixing of control fuses and wiring with flexible PVC copper wire and LED Indicator arrangements. 6. 2Nos copper earth bus of 1" x 1/8" in the rear side.7. Suitable MS base channel for mounting. 8. Viewing glass in the door for meter compartment. 9. Provision of cable entry and outgoing compartment.10. Painting the panel with 2 coats of epoxy paint over one coat of red oxide.
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Supply and fixing of 315 A TPN switch disconnector fuse units in sheet steel enclosure with HRC fuses double break on suitable angle iron frame work with MS cable entry boxes with earth connection only.
1
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Supply and fixing of 3 phase 315A aerial fuse unit for 3Nos. 200A fuse units (500V) on suitable MS sheet covered with 6mm thick hylem sheet on suitable angle iron work the tapping pole with necessary clamps.
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Supply, testing, commissioning and handing over of 1No 160KVA Diesel Generator Set of 0.8 P.F Three phase 415/420Volts, 50Hz, 1500RPM CONFIRMING CPCBIV+ Norms and BIS Specifications approved capacity compressing of developing 243.10 BHP water cooled clock wise rotating feed pump with 128Kw/160KVA operating capacity brushless alternator close couled under neath fuek tank standard safeties LLOP with stop solenoid battery with lead Electric start and vibration fitting and accessories and AMF Control panel as detailed below including transporting and unloading charges.
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A]. ENGINE: Water cooled diesel engine suitable for generating application with a shaft output of 243.10 BHP at 1500RPM under NTP conditions. The following standard fittings Flexible coupling, Flywheel, Air cleaner, Fan blower, Radiator water pump, Fuel pump, Fuel filter Lubrication oil filter etc.,, B]. 12V/24V Electronic Starting Equipment. Complete with starter motor dynamo standard batteries with cable flexible exhaust piping of 50cms length. C]. ENGINE INSTRUMENT PANEL MOUNTED: Starting push button/starting key, lubricating oil temperature gauge, lubricating oil pressure gauge, water temperature gauge, safety control for low lubricating oil pressure, safety control for high water temperature, safety control for over speed, hour meter (Mechanical) and RPM meter indicator battery charging ammeter. The engine should be capable of providing 10% overload for one hour for every 11 hours continuous at full load. D]. ALTERNATOR:
160KVA/128Kw capacity of brushless alternator AC 3phase 50 c/s. 415/420Volts, 0.8PF 1500RPM
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under NTP conditions confirming to IS 13364 (Part-II) 1992 to be coupled directly to the diesel engine and test certificate.
After Treatment System-The After treatment system should include SCR,DEF lines,DEF supply & DEF Tank .
E]. AMF CONTROL PANEL The AMF Control Panel (cubical) should be fabricated with vermin proof and dust proof best quality sheet steel and floor mounted with removable rear panels and hinged front foors with enamel painted and incorporating the following with suitable provision for connecting incoming and outgoing leads have been made on the control panel.
1) AC Ammeter and selector switch 2)Voltmeter and selector switch 3) 3Nos. current transformers with suitable ratio 4) Frequency meter
5) KWH meter
6) 1No. Power factor meter 7) Battery charging set comprising of the following for charging the battery from mains.
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a. Transformer/Rectifier b. DC Ammeter c. DC Voltmeter
d. ON and OFF switch e. Charging rate selector switch f. Push button stop g. Push button start h. Push button reset 8) 1Set Air break contactor with auxiliary neutral contactor for main supply. 9) 1Set Low voltage HRC fuse for the short circuit protection of the main supply 10) 1Set Alternator contactor with auxiliary neutral contactor 11) 1Set Three pole bimetal release for over load protection of the alternator. 12) 1Set Low voltage HRC fuse for the short circuit protection of the alternator
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13) 1Set DC control relays incorporating engine start stop and failure to start/lockout 14) 1Set Selector switch auto/manual 15) 1No. Push button "Start" 16) 1No. Push button "Stop"
17) 1No. Push button "Reset" 18) 1No. Signal lamp for indicating load on mains 19) 1No.Signal lamp for indicating load on set 20) 1No. Signal lamp for indicating set fails to start 21) 1No. Signal lamp for indicating set running 22) 1No. Signal lamp for indicating battery 23) 1Set pilot lamp of 2Nos. 24) MCCB of 250A capacity with magnetic thermal overload release instant start circuit trip and under voltage release switch.
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25) Rectangular copper busbars (1No. for each phase neutral and earthing terminals) of adequate capacity duty colour coded with head shrinkable PVC sleeves. 26) 1No. Main voltage monitor 27) Hooter/Audio Alarm for indicating set fails to start and for DG O/L 28) 1Set Timers 29) Audio and visual indicator arrangements for a. Low lubricating oil pressure b. High water temperature c. Over Speed 30) 1No. Earth fault relay 31) Isolator to isolate the neutral
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Note: 1. The control panel should be complete with necessary fuses, cables label other accessories and with neutral isolation arrangements. 2. The engine should trip for the following a. Low lubrication oil pressure
b. Over speed c. High water temperature 3. Supply and fitment of Auto mains failure panel 1EB service with 200A switch and contactors SUF control relays timers etc suitable for auto change over of DG & 1EB service F]. FUEL TANK: Fuel tank of 400 liters capacity and with inlet and outlet connection level indicator with scale etc.,The Genset should be charges with engine oil charging the batteries and filling of fuel for test run of 8 hours. G].BASE FRAME: The base frame should be fabricated MS channel frame of rigidly welded construction for mounting of generator set. The engine and alternator should be coupled by suitably designed diaphragm type flexible coupling with guard and mounted on the base frame with proper alignment.
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H]. ACCOUSTIC ENCLOSURE: The Acoustic enclosure self standing weather proof KG-CPCB typed acoustic canopy KG160WSfloor mounting type with modular construction with the provision to assemble and dismantle easily and designed to suit all wheather conditions. Erection of acoustic enclosure suitable 160KVA diesel generator complete with all accessories as above and suitable supports etc., 1) Supply of manuals for operation & maintenance DG set with warrantly card etc., Supply of tools such as 1No. 15” cutting pliers, 1No. 6” screw driver, 2No. 9” screw drives, 1set of 6nos, double ended spanners, 1no. Adjustable spanner, 1No. ½ Ip hammer, 1No. Spanner for removing engine oil plug, 1No. Line tester required for the for the maintenance and operation of generator set -1set and safety acessories such as fire bugket, stand, first aid box, chart., etc.,
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Supply and Installation of exhaust piping of sufficient length with suitable Silencer and MS Pipe so as to extend outside the generator with necessary thermal insulation.
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Preparation of site plan, physical layout, electrical line schematic diagram in 10sets Getting drawing approval from CIEG preparation of completion report, rectification report and arranging CEIG`s inspection and obtaining safety certificate. Preparation of 1set of approved drawing and a copy of safety certificate in a neat frame work to be fixed in the Generator room and payment of CEIG inspection fees. .
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Supply and clamping of 3 ½ x 185 sqmm. sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.
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Supply and Laying of 3 1/2 x 185 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.
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Supply and fixing of brass cable gland for 3 1/2 x 185 sqmm PVC armoured LTUG cable with earth connection.
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Supply and providing cable end termination of 3½ x 185 sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection complete .
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Earthing as per the ISI specification with an earth electrode of 2.1mt class 'B' GI pipe of dia not less than 40mm, with copper earth plate of size 125mmx50mmx6mm, with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry.
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Supply and run of 25mm x 3mm tinned copper flat with necessary clamps / supports on wall / floor / ground for earth connection.
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GST @ 18%
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