ENHANCEMENT OF ELECTRIC SUPPLY INFRA PHASE-II AT OLD AIR FIELD SRINAGAR

Amount

Taking up / down old unserviceable LT underground cable of size 6 to 70 sqmm 3.0 / 3.5 core from the existing trench / duct / pole etc complete all as specified and directed.

Taking down existing LT/HT over head ACSR conductor of any size / description complete all as specified and directed.

Dismantling existing insulators HT/LT of any type and size from pole including pins complete all as specified and as directed.

Taking down old concrete / steel tubular pole 9 m / 11 m long including demolition of concrete foundation where required complete all as specified and directed

Dismantling cross-arms, bracings, supports, clamps of M.S. channel or angle sections etc. complete and setting aside complete all as specified and directed.

Taking down/dismantling of old Stay assembly of any size complete all as specified and directed

Excavating in trenches, n exc 1.5 m wide, or n exc 10 sq m on plan, depth exc 1.5 m but n exc 3.0 m for foundation, etc. or for laying of cables, poles , pipes etc. and getting out in soft/loose soil complete all as specified and directed. Note :- Entire excavation shall be carried out manually only. No machinery such as JCB / excavator shall be used for excavation to avoid damage of existing electric supply / water supply / signal assets. This aspect shall be noted while quoting the Bid.

Returning filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 cm all as specified and directed.

Removing of excavated soil to a distance n. exc. 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 240 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 150 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 120 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 95 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 70 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 50 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 35 sqmm 3.5 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 25 sqmm 4 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 16 sqmm 4 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 16 sqmm 2 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 10 sqmm 4 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 10 sqmm 2 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying , jointing and testing underground LT cable XLPE insulated heavy duty, galvanised steel strip or wire armoured, PVC sheathed multistranded,1100 Volts grade, of cross sectional area 6 sqmm 2 core with aluminium conductor as per IS 7098 (Part-I) along with suitable size with aluminium cable lugs (bottle neck /eye let/ ring type as per ground requirement) and cable gland joint etc. laid in trenches, along poles passing through pipes, laid under floor, fixed on walls/roofs and passing under road etc complete all as specified and directed.

Supply, laying, jointing, testing and commissioning underground HT cable XLPE insulated, heavy duty, galvanised steel strip or wire armoured, PVC bedded, earthed electric power cable with aluminium conductor 11000 Volts grade of cross sectional area 120 sqmm 3.0 core as per IS 7098 (Part-II) including both side connection along with suitable size aluminium cable lugs, laid in trenches, along poles or passing through pipes or laid under floor or through walls, passing under roads etc. complete all as specified and directed.

Supply, laying, jointing, testing and commissioning underground HT cable XLPE insulated, heavy duty, galvanised steel strip or wire armoured, PVC bedded, earthed electric power cable with aluminium conductor 11000 Volts grade of cross sectional area 95 sqmm 3.0 core as per IS 7098 (Part-II) including both side connection along with suitable size aluminium cable lugs, laid in trenches, along poles or passing through pipes or laid under floor or through walls, passing under roads etc. complete all as specified and directed.

'Supply and fixing cable jointing kit for 11 KV (Earthed) grade cable for indoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured, aluminium conductor cable of size 95 Sqmm complete all as specified and directed.

'Supply and fixing cable jointing kit for 11 KV (Earthed) grade cable for indoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured, aluminium conductor cable of size 120 Sqmm complete all as specified and directed.

'Supply and fixing cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured, aluminium conductor cable of size 95 Sqmm complete all as specified and directed.

'Supply and fixing cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured, aluminium conductor cable of size 120 Sqmm complete all as specified and directed.

Material and labour for sand cushioning to under ground cables, with a layer of fine sand 8 cm thick before laying of cable and 15 cm thick after laying of cable punned down upto 18cm and stretching the cable complete all as specified and directed. Note:- Measurement shall be taken only after punning down sand cushioning.

Supply and laying sub class 'B' bricks, well burnt, locally available, laid flat with width of brick parallel to the length of cable over sand cushioning to cable in trenches complete all as specified and directed. Note:- Sand cushioning shall be measured and paid for separately.

Supply, installation and commissioning and testing of 11 kV Automatic Voltage Regulator for automatic operation, three phase, naturally oil cooled, all winding being of copper, indoor type & designed for input variation between 8000 V to 12000 V with output voltage stabilized at 11000 V with accuracy ± 1% of capacity of 1 MVA. The stablizer shall have suitable for inbuilt bypass arrangements at the time of failure and terminal box for input and output for 11 KV HT XLPE cables with glands. It shall be fabricated with Suitable thickness of M.S sheet & epoxy painted.The stabiliser shall have roller type and atleast 24 months (from the date of completion) of warranty. All as specified and directed by Engr-in-Charge. Note :- The AVR should be suitable for working in (-15 to +50 Degree Celcius) and 1600 metre above MSL. 'The following accessories and fitting shall be provided with the Automatic Voltage regulator:- (i) Lifting Lugs:- The arrangement to lift the active part of the regulator along with the cover of the tank without disconnecting the connections. (ii) Swivel Type Rollers:- The equipment to be provided with 4 nos. rollers fitted on cross channels to facilitate the movement of the equipment. (iii) Earthing Terminals:- Two separate earthing terminals are to be provided at the sides of the tank on both side earthing for earthing.

(iv) Diagram and rating plate – One diagram and rating plate indicating the details of the regulator, connection diagram etc. (v) Buck holz relay, oil & winding temperature meter with alarm and trip contacts. (vi) First filling of oil. (vii) Winding - The regulator shall be copper wound with minimum class ‘A’ insulation.The magnetic core shall be made of cold rolled grain oriented low loss steel stampings. (viii) All Spare parts shall be included with the cost. (ix) Filter valve top and bottom , Oil filling hole Thermometer pocket, Air release device, Axles and wheels unidirectional shall also be provided. (x) Control and Monitoring Features : The control and monitor system of these voltage regulator should have the following standard features (a).‘Alarm’ lamps which light up when the input voltage exceeds the limits of the specified range. (b). Voltmeter for output voltage. (c). A switch to change from ‘Automatic’ voltage correcting action to ‘Manual’ – This may be necessary in the event something goes wrong with ‘Automatic’ control. (d). A switch to ‘Raise’ & ‘Lower’ to increase or decrease the output voltage in ‘Manual’ position.

Supply and fix UPS for 30 min back up single phase AC input 200 to 240 V and out put 230 ± 1% of capacity 1KVA with 04 Nos battery 12 V 65 AH DC maintenance free SMF type batteries with suitable size of battery stands/ rack complete all as specified and directed.

Supply, Installation, testing, and commissioning of 11KV both side extensible indoor duty SF6 gas insulated motor operated 4 VCB panel board comprising of one (1) incomer VCB, three (3) outgoing VCBs and one (1) Bus PT Panel. Breaking capacity 21KA/3sec (Internal Arc Classification ALF-R 21kA-1sec both for tank and cable box as per IEC IEC 62271-200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. The switchgear shall accommodate all the 4 modules in one tank. Protection CTs should be ring core type. Cable bushings should be replacable at site.

OTHER DETAILS:- System Particulars: (1) Nominal System Voltage : 11kV. (2) Voltage variation on supply side : ±10 % (3) Corresponding Highest System Voltage: 12kV. (4) Frequency : 50 Hz with ± 3 % tolerance (5) Number of Phase : 3 Phases. (6) Neutral earthling : Solidly earthed. (7) Fault level (minimum) kA /Sec : 21/3). (8) Lightning Impulse Withstand Voltage (kVp) : 75 (9) One minute dry/wet power frequency withstand voltage primary (kV rms) : 28KV (10) Rated Dynamic Withstand Current for 1 second duration (kAp) : 52.5KA (11) suitable for working satisfactorily at the height upto 1600Mts above MSL and temperature between (-)15°C to (+)50°C. (12) Degree of Protection: (13) SF6 tank: IP 67 (14) Front cover: IP 2X (15) Cable cover: IP 3X

Applicable Standards: (a) The design, manufacture and performance of the Ring Main Units/VCB Panel shall comply with all currently applicable statutes, regulations and safety codes.Nothing in this specification shall be construed to relieve the bidder off his responsibilities. (b) Unless otherwise specified, the Ring Main Units/VCB Panel offered shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. (c) All live parts, bus bars, shall preferably be enclosed in one tank to avoid multiple inter connections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade SS304 of minimum 2.5 mm thickness. The RMU/VCB Panel shall be type tested for internal arc test of 21KA/1 sec AFLR as per IEC62271-200. The outer enclosure shall cover the full length of the switch gear, to ensure IP54 protection for full door covering of complete switchgear. (d) RMU and Vaccum Interruptor shall be of same make. All the mechanical bushings should be replacable at site, to avoid dismantling RMU/VCB Panel from site and carrying to OEM factory for rectification for the minor gas leakages from mechanical bushing, this is operational & maintenane point, cannot be deviated. No additional plate/ accessories to be add to achieve Internal Arc of the Cable of 21kA-1sec, in the able box camber. RMUs should be manufactured, inspected and invoiced from the OEM factory only; no licensee partner manufactered RMU is exceptable

SERVICE CONDITIONS (a) The SF6 gas filled 11 kV, 630 Amps, both side extensible type, indoor, SCADA compatible Motorized Ring Main Unit with Vacuum Circuit Breaker to be supplied against this specification shall be suitable for satisfactory operation under the following tropical conditions, design ambient temperature (Degree C) 40 as per IEC. (b) Vacuum Circuit Breaker 12kV 630Amps 21kA-3sec and fault making type Earthing Switch consist with micro-processor based selfpowered 3O/C + 1E/F relay with RS485 Port (MODBUS) fitted with fixed type voltage indicator device as per IEC 61958- 4Nos. i) Protection CTs in Incomer VCB of ratio 300-600/1A 2.5VA burden (CT ratio shall be confirmed at time of drawing approval).-1Set ii) Metering CTs in Incomer VCB of ratio 300-600/1A 2.5VA burden Cl 0.5 (CT ratio shall be confirmed at time of drawing approval).-1Set iii) Protection CTs in each Outgoing VCB of ratio 150/1A 2.5VA burden (CT ratio shall be confirmed at time of drawing approval).-1Set iv) Metering CTs in each Outgoing VCB of ratio 150/1A 2.5VA burden Cl 0.5 (CT ratio shall be confirmed at time of drawing approval).-1Set v) Multifunction Meter with RS485 Port (MODBUS) for all 4 VCBs. vi) Battery & Charger 2X12V DC 7.5Amps (HPL/Exide/equi make) suitable for motor operation of VCBs (230V AC shall be in MES scope). vii) Terminal boots (suitable to connect upto 1RX3CX300Sqmm XLPE Cable) - 4 Sets. viii) Bus PT Panel:

c) Air insulated metering module - 1no. d) Voltage transformers of the ratio 11kV/√3 / 110 V/√3, 25VA, Class 0.5 with HT fuses on primary side and MCB on secondary side - 3Nos. e) CFL for illumination- 1No. f) Space Heater with thermostat - 1no. g) Digital Voltmeter - 1No. h) Interconnecting bus bars to connect VCB Panel with PT Panel - 1Set j) Motorised spring charging mechanism (including manual operation in case of electric failure) - 4 Set Note: Standard mano meter -01 for each Sf6 tank, Operating handle - 01, cable clamping provision (standard)-01/for every cable entry suitable for 1RX3C cable upto 300Sqmm, Operation and maintenance manual - 01

Suppy & fixing Rubber mat of size 1 metre x 2 metre x 19 mm suitable for 11 KV automatic voltage regulator complete all as specified and as directed.

Supply, installation, testing and commissioning of LT Panel board size not less 1250mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 1000 Amp for three phases and 500 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 300 Amp for three phases and 150 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 600 Amp for three phases and 300 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 600 Amp for three phases and 300 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 600 Amp for three phases and3100 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1250mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 800 Amp for three phases and 400 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 300 Amp for three phases and 150 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 600 Amp for three phases and 300 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 300 Amp for three phases and 150 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 400 Amp for three phases and 200 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 350 Amp for three phases and 175 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1500mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 1200 Amp for three phases, and 600 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 300 Amp for three phases and 150 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 600 Amp for three phases and 300 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1000mm x 750mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 200 Amp for three phases and 100 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1500mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 1000 Amp for three phases and 500 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 400 Amp for three phases and 200 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 400 Amp for three phases and 200 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 400 Amp for three phases and 200 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, installation, testing and commissioning of LT Panel board size not less 1200mm x 1000mm x 450 mm suitable for 415 Volts, 3 Phase 4 wire, 50 Hz AC supply system confirming to IS:8623/93, outdoor type floor mounted alongwith factory made type panel weather proof, vermin proof, fully ventilated and fabricated out of MS CRCA sheet of 3.15mm thick with ingress protection of IP-54 grade having heat shrinkable sleeves, louvers and air vent gasket for natural flow of air “U” type gasket shall be used to make the outer shell completely vermin proof. The panel shall be cubical type with Sloppy roof, openable in front & rear and having inner & outer shells, Aluminium bus bar of capacity 400 Amp for three phases and 200 Amp for neutral, Common earth bus bar of GI Strip 32 x 6 mm at bottom with panel board at two earth terminals. The inner shell dully compartmented for each control gear, including powder coating synthetic enamel paint over a coat of red oxide primer internally and externally the entire steel surfaces. All the cover shall be provided with suitable locking arrangements mounted on angle iron stand made out of MS angle size 50mmx 50mm x 6mm grouted in PCC foundation in cement concrete 1:3:6 type C-1 platform 60 cm above the ground level and 45 cm below the ground level (using 20mm graded crushed stone aggregate), including accomodating the following gears and accessories connected with Internal wiring of suitable size of copper conductor cable :-

Supply, Installation, testing, and commissioning of 11KV LHS extensible Outdoor duty (IP54 enclosure) SF6 gas insulated 2-way manual operated Ring Main Unit comprising of 2nos. 630Amps Load Break Switches, cable termination from the front, breaking capacity 21KA/3sec (Internal Arc Classification ALF-R 21kA-1sec both for tank and cable box as per IEC IEC 62271-200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. The switchgear shall accommodate maximum modules in one tank to avoid multiple connections. Cable bushings should be replacable at site.

OTHER DETAILS:- System Particulars: (1)Nominal System Voltage : 11kV. (2) Voltage variation on supply side : ±10 % (3) Corresponding Highest System Voltage: 12kV. (4) Frequency : 50 Hz with ± 3 % tolerance (5 )Number of Phase : 3 Phases. (6) Neutral earthling : Solidly earthed. (7) Fault level (minimum) kA /Sec : 21/3). (8) Lightning Impulse Withstand Voltage (kVp) : 75 (9) One minute dry/wet power frequency withstand voltage primary (kV rms) : 28KV (10) Rated Dynamic Withstand Current for 1 second duration (kAp) : 52.5KA (11) suitable for working satisfactorily at the height upto 1600Mts above MSL and temperature beetween (-)15°C to (+)50°C. (12) Degree of Protection: (13) SF6 tank: IP 67 (14) Front cover: IP 2X (15) Cable cover: IP 3X (16) Outdoor enclosure: IP54

Applicable Standards: a) The design, manufacture and performance of the Ring Main Units shall comply with all currently applicable statutes, regulations and safety codes.Nothing in this specification shall be construed to relieve the bidder off his responsibilities. b) Unless otherwise specified, the Ring Main Units offered shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. c) All live parts, bus bars, shall preferably be enclosed in one tank to avoid multiple inter connections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade SS304 of minimum 2.5 mm thickness.The RMU shall be type tested for internal arc test of 21KA/1 sec AFLR as per IEC62271-200. The outer enclosure shall cover the full length of the switch gear, to ensure IP54 protection for full door covering of complete switchgear. d) All the mechanical bushings should be replacable at site, to avoid dismantling RMU from site and carrying to OEM factory for rectification for the minor gas leakages from mechanical bushing, this is operational & maintenane point, cannot be deviated. No additional plate/ accessories to be add to achieve Internal Arc of the Cable of 21kA-1sec, in the able box camber. RMUs should be manufactured, inspected and invoiced from the OEM factory only; no licensee partner manufactered RMU is exceptable.

SERVICE CONDITIONS (a) The SF6 gas filled 11 kV, 630 Amps, LHS extensible type to connect with RMU, Outdoor. RMU to be supplied against this specification shall be suitable for satisfactory operation under the following tropical conditions, design ambient temperature (Degree C) 40 as per IEC. The unit shall include the following with all necessary standard fitting as required at site: a) Load Break Switch 12kV 630Amps 21kA-3sec with copper bus Bar and earth switch fitted with fixed type voltage indicator device as per IEC -2 Nos. b) Fault Passage Indicator (FPI) - 1No. c) Mechnical lock (One-key One Lock) (Make: Patlon/ Rohnis) to avoid mal operation of LBS. Note: Standard mano meter -01 for each tank, Operating handle - 01, cable clamping provision (standard)-01/for every cable entry suitable for 1RX3C cable upto 300Sqmm, Operation and maintenance manual - 01, RMU Foundation (Earth Work and PCC works) for placing RMU on plinth is deemed to be included in the cost quoted. Height of plinth should not be less than 0.5 mtrs from ground level.

Material and labour for earthing complete with galvanised steel earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth plate not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metre below normal ground level, connected to and including Galvanized Iron strip 32x6mm thick as earthing lead by means of steel bolts, nuts, check nuts and washers test points made of GI Strip 32x6mm, 10 cm long, PCC (1:2:4) type B-1 in pit, angle iron 25x25x3mm frame work with precast RCC (1:2:4) type B-1 cover reinforced with 8mm dia TMT bars @ 150mm c/c both ways and 12mm dia MS fabricated handle, medium grade GI watering pipe 20mm bore with funnel, wire mess and light grade GI protection pipe 40mm bore upto 5m length for drawing in earth lead, salt, charcoal, etc including excavation and earth work in any type of soil, removal of surplus soil to a distance not exceeding 50m complete all as shown in electrical plate No. 3 of SSR Part-I and connecte complete all as directed by GE including testing on completion. Note : The quoted rate of earthing shall be deemed to include cost of Galvanized Iron strip upto 7.5 meter and protection pipe and watering pipe. Any variation in length of earth wire shall be adjusted through deviation order.

Supply & erection of 4 pole structure comprising of 11 metre steel tubular pole with anti-climbing device, PCC foundation & cross arms etc for one incoming and two out going along with 03 x sets of GODs & DO fuses complete all as specified and directed.

Supply & Fixing Aluminium conductor steel reinforced of size as directed, drawn on steel or concrete poles including binding with copper binding wire or aluminium tapes for extension from existing structure complete all as specified and directed

Material and labour for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under-coat and one finishing coat of aluminium paint complete all as specified and directed.

Supply and fix moulded (FRP) junction box size 300mmx200mmx105 mm with IP 65 protection 32 Amp 4 way heavy duty terminal block with 6 Amp MCB SP, two number of cable entry glands of standard size fixed to pole with suitablesize MS clamp complete all as directed and directed.

Material and labour for sub main wiring with 3 core PVC insulated stranded copper conductor 1.5 sq mm served with an inner sheathing of PVC tape , 1100 volts grade heavy duty cable drawn through and including rigid non metallic PVC conduit not less than 20mm dia with all accessories medium grade ISI marked complete all as specified and directed. Note : One run of 3 core 1.5 sqmm size cable with PVC conduit shall be considered as one unit.

Supply and laying / fixing for GI tubing light grade of 50mm bore including all necessary fittings such as elbow, bends, clamps including nut and bolts for cable protection along poles, wall surface, under ground or road crossing etc complete all as specified and directed .

Supply and laying / fixing for GI tubing light grade of 80mm bore including all necessary fittings such as elbow, bends, clamps including nut and bolts for cable protection along poles, wall surface, under ground or road crossing etc complete all as specified and directed .

Supply and laying / fixing for GI tubing light grade of 100mm bore including all necessary fittings such as elbow, bends, clamps including nut and bolts for cable protection along poles, wall surface, under ground or road crossing etc complete all as specified and directed .

Supply and laying / fixing for GI tubing light grade of 150mm bore including all necessary fittings such as elbow, bends, clamps including nut and bolts for cable protection along poles, wall surface, under ground or road crossing etc complete all as specified and directed .

Cutting of road / PCC hard standing for laying of pipe/ cable including making good the existing surface with PCC (1:3:6) type C-2 using 40 mm graded stone aggregate / bituminous carpet to match the original finish complete all as specified and as directed.

Supply and fixing, cable route marker for HT/LT cable duly engraved (HT 11 KV cable) on 150mm dia MS round plate 6 mm thick, duly painted with brown colour paint, and fixed on MS angle of size 40mmx40mmx5mm with nuts and bolts and embedded in PCC (1:2:4) concrete block of size 230mmx230mmx230mm, including necessary excavation & earth work complete all as specified and directed. Note: Contractor shall submit the layout drawing of cable route to the Deptt.

Material and labour for Cement concrete (1:4:8) type D-2 (using 40 mm graded crushed stone aggregate) as in foundation, filling and mass concrete including necessary steel form work and finishing the surface fair in forms for poles etc, complete all as specified and directed.

M&L for boring of holes under roads, pavements, hard standing by trenchless technology using ultra sound technique & necessary machine including HDPE pipe of 6 kg/sqmm of 150 mm dia suitable for 0.4 Mpa working pressure complete all as specified and directed. Note - The rate quoted shall be deemed to include the cost of provn of HDPE pipe.

M&L for Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screw complete all as specified and directed.

Supply and fixing earth continuity conductor or main earthing lead, 25 x 4 mm galvinised iron strip, fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required complete all as specified and directed.

kailu construction co

G N Constructions

SATISH AND CO

TRIVENI CONSTRUCTIONS

M/S Rather and Sons

SAGGI ELECTRIC COMPANY