Tamil Nadu Generation And Distribution Corporation Limited Tender

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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender

Works
Electrical and Electronics
Electrical Works
Eprocure
Opening Date12 Feb 2025
Closing Soon26 Feb 2025
Tender AmountRefer Documents 
Notes
Download

Costs

Summary

Spec.no.53-ii/24-25,rate Contract For Erection, Maintenance And Dismantling Of Electrical Networks (oh Line And Ug Cable) Including Sub-stations Maintenance In Adyar Sub Division Of Adyar Division For A Period Of One Year.

Description

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BOQ Items

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Fixing of top channel 15' centre

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Fixing of bed channel

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Fixing of belting angle

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Erection of 11 KV AB Switch

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Erection of 11 KV HG Fuse set

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Feeder arrangements with open type fuse units

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Fixing of HT LAS

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Fixing of LT LAS

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HT Jumpering complete for Transformer DT Structure

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HT Jumpering complete for DP Structure

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Fixing of cross bracing (4 nos angles) 10' Centre

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Fixing of cross bracing (4 nos angles) 15' Centre

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Fixing of centre support for bed channel

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Fixing of danger board

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Fixing of Distribution Transformer Name Board (Name of the 22 / 11 KV #, Name of the SS and Capacity) including Supply of board (1' x 1.5' x 3 mm thickness) including the cost of paint and labour charges

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Fixing of Earth coller for earth pits

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Erection of aluminium bus bar pipe complete for HT bus bar arrangements for DP structure

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Erection of aluminium bus bar pipe complete for HT bus bar arrangements for 3P & 4P structure

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Structure Concreting, Concreting of poles with size (2'x2'x5') including cost of Cement, jelly and Sand with a mixture of 1:3:6 and plastering of concrete with ratio 1:2

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Stay concreting of Stay with Size 1.5' X 1.5' X 3.0' including cost of 40 mm Cement, Jelly and sand (with supply) with mixture 1:3:6 along sleeve concreting and plastering of concrete portion above the ground level with ratio 1:2

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Earthing of D.P.Structure complete

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Earthing of new double pole distribution transformer structure complete

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Painting of two coats of Aluminium paints for Transformers structure and iron materials including cost of paint and painting of structure pole with distemper including cost of materials etc.

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DT Name painting and lettering of transformer details including cost of materials and labour

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Labour Charges and fixing of meter on LV Side of DT

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DT Metering Works, Test Terminal Box, fuses for PT, Cables (For CT, PT and Neutral Connections), metallic hose for hosing cable from DT to Meter Box, Hylem Sheet terminal of adequate thickness to hold CT coils Ferrules, Lugs, Screws, etc

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Erection of Transformer including connections

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Re-earthing of DT Structure

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Erection of 33 KV AB Switches

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Excavation of Pole pit of size 2'x2'x1/6 of the height of the pole upto 8 mtr pole by using JCB or Manual

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Excavation of RSJ/Rail/tubular pole pit above 9.0 M by using JCB or manual

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Excavation of pit in Hard rock place which requires blasting

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Excavation of pit in Hard rock place which does not requires blasting (Where Houses are located)

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Excavation of Stay pit 2'x2'x5' depth by using JCB or manual

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Erection of RCC poles/PSC poles/Metal poles up to 8.00 M (27') by using JCB or manual

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Erection of RSJ, Rail and fabricated poles above 9.0 M by using JCB or maual

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Erection of stay set complete

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Fixing of HT "V" cross arms (all types) / channel cross arms / guarding Cross arms

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Erection of Tapping channel 5 ' size

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Fixing of LT 3 phase cross arms

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Fixing of LT Single phase cross arms

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Fixing of HT / LT TI Fittings

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Fixing of HT pin Insulators 11 KV / 22 KV / 33 KV

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Fixing of HT 11 KV strain disc.

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Fixing of HT 33 KV strain disc

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Fixing of LT pin Insulator

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Fixing of LT shackle

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Fixing of Aluminium Knob

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Fixing of Double Channel Cross Arm

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Earthing of pole with pin including looping binding and burying

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Sleeve concreting with size (2'x2'x3') including cost of excavation Cement, jelly and Sand with a mixture of 1:3:6 and plastering of concrete with ratio 1:2 including materials

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Paving of Conductor, Stringing, binding, jumpering etc., complete with ACSR for lines with DOG 4.72 conductor

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Paving of Conductor, Stringing, binding, jumpering etc., complete with ACSR for lines with 7/4.09 mm

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Paving of Conductor, Stringing, binding, jumpering etc., complete with ACSR for lines with 7/3.35 mm ACSR or 7/3.15 mm AAAC

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Paving of Conductor, Stringing, binding, jumpering etc., complete with ACSR for lines with 7/2.59 mm or 7/ 2.50 mm

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Numbering of pole by using Enamel paint including cost of paint and painting charges (150 diameter with 2.5" height letters or100x150 mm with 2.5" letters)

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Painting of Cement Poles by using Distemper paint (Single Coat)

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Painting of Metal Poles by using Aluminium paint (Single Coat)

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Painting of top channel

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Painting of AB switch

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Painting cross Bracing (4 Nos. Angles) both 10' & 15' centre

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Painting of Transformer (only one coat) upto 100 KVA

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Painting of Transformer (only one coat) above 100 KVA

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Painting of HG fuse.

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Painting of HT metering set and Box

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LT split neutral guarding

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Flat guarding including fixing of 2 Nos. cross arms HT LT

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Guarding for D.O.T. Crossing

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Loading, Unloading and Transporting of Materials Below 8 Kms

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Loading, Unloading and Transporting of Materials Above 8 Kms. For additional Km

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Loading of poles up to 27' RCC / PSC / Metal poles

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Loading of poles 30' RCC / PSC poles and RSJ Pole of all sizes

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Unloading of poles upto 27'

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Unloading of poles upto 30'

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Loading of cement bag of 50 Kg.

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Unloading of cement bag of 50 Kg.

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Loading of Transformer oil drum with oil 200 Lit. capacity

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Unloading of Transformer oil drum with oil 200 Lit. capacity

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Loading of materials

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Un-Loading of Materials

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Stacking of Materials

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Transporting of poles from road side to pole pit Location including loading and unloading of poles by using JCB or Manual Up to 200m

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Transporting of poles from road side to pole pit including loading and unloading of poles by using JCB or Manual above 200 m

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Loading and unloading of Distribution Transformer at site and store

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Transporting of DT Upto 250 KVA

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Transporting of DT Above 250 KVA

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Metering set loading and unloading

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Loading of Conductor drum of all sizes with conductor

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Loading of Conductor drum of all sizes without conductor

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Unloading of Conductor drum of all sizes with conductor

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Unloading of Conductor drum of all sizes without conductor

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Loading / Unloading of Single Phase Meter

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Loading / Unloading of Three Phase Meter

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Re-sagging of HT line with ACSR 7/4.72 mm Conductor

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Re-sagging of HT / LT line with ACSR 7/4.09 mm Conductor

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Re-sagging of HT / LT line with ACSR 7/3.35 mm or AAAC 7/3.15 mm conductor

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Re-sagging of HT / LT with ACSR 7/2.59mm or AAAC 7/2.50 mm conductor

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Erection of street light service

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Fixing of new SV/MV/LED lamp fittings

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Hut service fixing

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Breaking and Releasing of grills from RCC PSC poles

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Releasing of single phase service wire and re-fixing

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Releasing of 3 phase service wire and (upto 50 HP) re-fixing

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Releasing of 3 phase service wire and (above 50 HP) re-fixing

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Erection of new earth pipe by replacing the corroded earth pipe including burying, looping and binding

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Cutting of (i) coconut tree / (ii) tree branches

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Drilling of hole in channel only 3/4" & 1" per hole

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Cutting of flat

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Cutting of channel

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Cutting of Angle

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Cutting of pipe

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RSJ pole cutting

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RSJ pole welding

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Providing of line spacers for single phase line

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Providing of line spacers for three phase line

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Hiring Charges for JCB

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Clearing of Jungle

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Clearing of bushes in yard (DT/SS)

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Set right the leaning of pole in HT/LT in Pin point

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Set right the leaning of pole in HT/LT in Cut point

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Erection of LT Shunt Capacitor

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Ground patrolling of HT lines during Breakdown

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Rectification of snapped HT line during Breakdown

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Rectification of snapped LT line during Breakdown

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Erection of Single phase meters

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Erection of Three phase meters

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Crane hire charges

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Provision of Paa Jumpers

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Erection of Metering Set

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Monthly Maintainenance of Distribution Transformer Yard and earth pits neat and tidy, Cleaning the entire transformer including the bushings, Checking for oil level and reporting if the level is below the mark, Checking the earth connections and watering the earth pits, Checking the oil leaks and reporting if any noticed, Reconditioning the breather (by reactivating Silicagel or replacing it if necessary) and Checking the LT fuses and renewing them if necessary

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Quarterly Maintenance of Distribution Transformer- Renewing the HG fuses

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Quarterly Maintenance of Distribution Transformer- Measuring the insulation resistance and Load currents

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Annual Maintenance of DT - Lubricating the AB switches and checking their operation, Checking the lines and earth connections of AB switch, Checking the lines and earth connections of HT and LT lightning arresters and Checking the HV and LV bushing connections

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Complete maintenance of Power Transformer of all capacities in SS

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Complete maintenance of Breaker, CT/PT for 110 KV and above in SS

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Complete maintenance of Breaker, CT/PT for capacity less than 110 KV in SS

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Complete maintenance of Centre Rotating Switch 110 KV and above in SS

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Complete maintenance of Centre Rotating Switch below 110 KV in SS

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Replacement of Clamps of all sizes in SS

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Complete maintenance of LAS 110 KV and above in SS

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Complete maintenance of LAS below 110 KV in SS

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Replacement of Jumpers less than 1 metre in SS

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Replacement of Jumpers more than 1 metre in SS

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Maintenance of earth pits and watering in SS

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Cleaning of control and relay panels (Front, Back and inside) in SS

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Maintenance of Capacitor Bank cell in SS

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Replacement of capacitor bank cell in SS

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Replacement of PT Insulator in SS

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Replacement of Female/Male contact for 110 KV in SS

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Replacement of Female/Male contact for less than 110 KV in SS

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Maintenance of Battery in SS

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Dismantling of HT "V" cross arms (all types) / channel cross arms / guarding Cross arms

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Dismantling of LT 3 phase cross arms

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Dismantling of LT Single phase cross arms

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Dismantling of HT / LT TI Fittings

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Dismantling of HT pin Insulators 11 KV/22 KV/33 KV

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Dismantling of HT 11 KV strain disc / Polymer Disc

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Dismantling of HT 22 KV / 33 KV strain disc / Polymer Disc

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Dismantling of LT pin Insulator / Polymer Insulator

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Dismantling of LT shackle

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Dismantling of Aluminium Knob

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Dismantling of top channel 10' centre

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Dismantling of Line upto 7/3.35 mm including transporting to nearest road side and stacking of coil

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Dismantling of Line above 7/3.35 mm including transporting to nearest road side and stacking of coil

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Dismantling of top channel 15' centre

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Dismantling of bed channel

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Dismantling of centre support for bed channel

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Dismantling of belting angle

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Dismantling of 11 KV AB Switch

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Dismantling of 11 KV Vertical type AB Switch for single pole DT

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Dismantling of 11 KV HG Fuse set

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Erection of 11 KV Solid core HG Fuse set

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Dismantling Feeder arrangements with open type fuse units

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Dismantling of HT LAS

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Dismantling of LT LAS

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Dismantling HT Jumpering complete for Transformer DT Structure

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Dismantling HT Jumpering complete for DP Structure

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Dismantling of cross bracing (4 nos angles) 10' Centre

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Dismantling of cross bracing (4 nos angles) 15' Centre

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Dismantling of danger board

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Dismantling of Transformer centre set arrangments

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Dismantling of LT Cable arrangements while erecting single pole DT

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Dismantling of Earth coller for earth pits

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Dismantling of aluminium bus bar pipe complete for HT bus bar arrangements for DP structure

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Dismantling of aluminium bus bar pipe complete for HT bus bar arrangements for 3P & 4P structure

1

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Dismantling of detoriated cables / Replacement of various size (120, 240 Sq.mm) from Distribution Transformer LT bushing to LT open type clamp and provision of suitable lugs at both the ends

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Releasing of ACSR / AAAC conductors from conductor drum and coiling ACSR 7 / 3.35, 7/2.59, AAAC 7/2.50, 7/3.15 MM (Per/Km)

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Dismantling of Metering set

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Dismantling of 33 KV AB Switch

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Dismantling of Distn. Transformer from structure Transporting to special Maintenance up to 8 Kms

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Dismantling of Distn. Transformer from structure Transporting to special Maintenance above 8 Kms per km

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Excavation of cable trench 0.6 meters width and 1.2 meters depth - Normal (earth road)

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Excavation of cable trench 0.6 meters width and 1.2 meters depth -Tar Road

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Excavation of cable trench 0.6 meters width and 1.2 meters depth - Concrete Road

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Loading, unloading & Transporting of 11 KV HT cable from departmental stores to work spot - 3x300 sq mm XLPE (1 drum: 200 m)

1

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Loading, unloading & Transporting of 11 KV HT cable from departmental stores to work spot - 3x120 sq mm XLPE (1 drum: 200 m)

1

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Laying of HT 300 sq mm XLPE cable

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Laying of HT 120 sq mm XLPE cable

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Covering HT cable by cement "V" trough after covering the cable with good loose earth including loading, unloading and transport from stores to site and letter painting of feeding details & Cable size on the trough

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Refilling with excavated earth layers well consolidated as per std specification including all materials, lead, lift etc., complete.

1

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Transport back any balance cable, empty drums and other materials if any by engaging private vehicle including recoiling, coiling and loading and unloading at both sides from workspot to departmental stores (minimum 3 empty drums)

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Transporting of LT Cable 240 sq.mm (1 drum - 200 meters)

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Transporting of LT Cable 120 sq.mm (1 drum - 500 meters)

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Transporting of LT Cable 25 sq.mm (1 drum - 500 meters)

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Transporting of LT Cable 16 sq.mm (1 drum - 500 meters)

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Excavation of cable trench 45 cm width and 75 cm depth - Normal Road (earth)

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Excavation of cable trench 45 cm width and 75 cm depth - Tar Road

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Excavation of cable trench 45 cm width and 75 cm depth - Concrete Road

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Laying of LT 240 sq.mm cable

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Laying of LT 120 sq.mm cable

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Laying of LT 25 sq.mm cable

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Laying of LT 16 sq.mm cable

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Refilling of cable trench

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Laying of cable using Trenchless technique with scanner without pipes upto 50 mt LT/11 KV/33 KV single run

1

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Laying of cable using Trenchless technique with scanner without pipes above 50 mt LT/11 KV/33 KV single run

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Erection of Mini pillar boxes for 3 feet

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Erection of 4/6/8 way pillar box 3 feet

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Cleaning, painting with Aluminium paint 2 coats 8 way pillar box

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Cleaning, painting with Aluminium paint 2 coats 6 way pillar box

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Cleaning, painting with Aluminium paint 2 coats 4 way pillar box

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Cleaning, painti.ng with Aluminium paint 2 coats Mini way pillar box

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Dismantling of old 4/6/8 way pillar box

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Dismantling of old Mini pillar box

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Maintenance of 8 way pillar box

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Maintenance of 6 way pillar box

1

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Maintenance of 4 way pillar box

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Maintenance of Mini pillar box

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Earthing of 8/6/4 and Mini pillar boxes

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11 KV 120/300 sqmm Indoor/Outdoor termination works

1

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33 KV 1x630 sqmm Indoor/Outdoor termination works

1

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33 KV 3x400/3x630 sqmm Indoor/Outdoor termination works

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Charges for 11KV Joints (300 &120 Sqmm)

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Charges for 33 KV (1X630 Sqmm) Joints

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Charges for 33 KV (3x400 Sqmm) Joints

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Loading of 9 mtr Square RCC Pole

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Unloading of 9 mtr Square RCC Pole

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Labour and transporting of 9 mtr RCC Square pole upto 5 KMs

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Excavation of Square Pole pit per size 3'x 3'x6' for single pole DT structure

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Erection of 9 mtr Square RCC pole including base plate

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Excavation of stay pit per size 2'x 2'x6' for Single Pole DT structure

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Erection of stayset including baseplate for Single Pole DT structure

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Earthing of SP Pole structure complete set with 3Nos earth pits excavation including providing 3nos earthpipe of size 40mmx3mtr (GI Pipe), pit size 2'x2'x2' filled with mixture of sand, charcoal and common salt in equal proportion to to depth of 1.25' and 1"jelly to a depth of 9", earth connection to be provided with GI wire, plates and bolts and Nuts.(Except 3 Nos earth pipe with GI wire, plates and bolts and nuts all other materials to be supplied by Contractor)

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Erection of Transformer structure materials including transporting from road side to work spot per set for Single Pole DT structure

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Erection of Transformer centre set arrangments

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Erection of 11 KV Solid core HG Fuse set

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Erection of SP Pole DT 11 KV AB Switch set including transporting from roadside to work spot

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Mass concreting of SP pole DT with 1;4:8 mix 1/2 broken metal jelly, cement and river sand including coping. (Size height of pole).(as per civil rate) all materials will be supplied by contractor.(Including DT Support pole)

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Painting of SP Pole Transformer structure including cost of paint, brush etc., (1.one coat of red oxide paint in all iron materials, 2.colour washing of 2nos structure poles, 3.painting of transformers, and all iron items with aluminium paint)

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Erection LT Open Type fuse unit for SP Structure

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Fixing of LT Cable arrangements while erecting single pole DT

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