Military Engineer Services Tender
Karnataka, also known as Karunadu, is a state in the southwestern region of India. Karnataka was formed originally as Mysore State on 1st November 1956 and currently is the biggest state in south India. Its capital and largest city is Bengaluru. It covers an area of 191,791 km2 (74,051 sq mi) and is the sixth largest state by area comprising 31 districts. Karnataka is also a state of multiple languages; Kannada being the official and most widely spoken language in Karnataka. Other languages spoken in the state include Tamil, Telugu, Malayalam, Kodava, Konkani and much more.Karnataka tenders are issued by the government of Karnataka, public & private sector organisations. The state government issues majority of the Karnataka tenders, which are for goods and services including construction, road and bridge construction, IT services, engineering services, medical services, educational services amongst many others. Bidassist is one of the largest eprocurement portals, which offers all government tenders from across the world in one place. Bidassist offers information on all Karnataka tenders and other state and authority tenders in no time. Bidassist is a platform where users can look for various Karnataka tenders as well as other tenders.
Military Engineer Services - MES Tender
Civil And Construction
Civil Works Others
Eprocure
Opening Date30 Nov 2024
Closing Date4 Jan 2025
Tender Amount₹ 1,45,15,700
Costs
EMD
₹ 2,20,160Document Cost
₹ 1,000Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_MES_686402_1Bid Award Id
ViewTender No
85301/E8Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
BOQ Items
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Removing excavated surplus soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.
6.08
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Material & Labour for Spreading ribbed soil in trenches as in cable cushioning all as per IS 1255-1983 and as directed. Note :- (i) Excavated approved soil shall be ribbed by using sieve to separate composite particles etc as per IS and refiiling in trenches before laying of cable 8 CM and 15 CM after laying of cable. This is than gently punned down to a depth of 10 cm above the top of upper most cable (ii) For the purpose of measurement only punned thickness only will be considered for paymet complete all as specified and directed.
4.93
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Material & Labour for broken stone boulders Hardcore of gauge not exceeding 63 mm deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed using power roller exceeding 8 tonne and not exceeding 12 tonne capacity to a true surface with broken stones or boulders complete all as specified and directed.
40
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Material & Labour for Sand filling under floors or in foundations including watering and consolidation and complete all as specified and directed.
15
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Material & Labour for Plain Cement Concrete (1:2:4) type B-1 (using 20 mm graded stone agg) in foundations filling and mass concrete, complete all as specified and directed.
1.5
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Material & Labour for Plain Cement Concrete 1:3:6 type C-2 (using 40 mm graded stone agg) as in foundation filling or for mass concrete for posts and complete all as specified and directed.
2.1
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Material and labour for Plain Cement Concrete (1:3:6) type C-2 (using 40 mm graded broken stone aggregate) as in coping/collar of poles including necessary form work complete all as specified and directed.
1.4
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Supply & Fix Mild Steel work in circular tubes, compound girders and stanchions, lattice girders, aerial masts, staging for water tanks and the like including caps, bases, splices etc. built up from two or more beam or channel sections or angles with plates, including all lattice bars, stiffeners, gusset plates, etc conforming to Fe-410-W (Gde-E-250) quality-B, complete all as specified and directed.
950
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Supply & Fix Joist, channel, angle or tee sections, fixed independently, without connecting plates, etc (cut to ordinary lengths i.e. within 20mm of the length indicated) of Fe-410-W (Gde-E-250) quality-B and complete all as specified and directed.
1600
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Material & Labour for 0.50mm thick Pre-painted Galvalume zinc coating GI based corrugated steel sheet AZ 150 of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.
250
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Material & Labour for machine pressed pre polished precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 80mm thickness, M-40 Grade with grey cement and no pigment and complete all as specified and directed.
300
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Material & Labour Providing two coats of synthetic enamel paint over a coat of red oxide primer on steel surfaces over 10 cm width or girth including preparation of new steel surfaces complete all as specified and directed.
125
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Supply, laying, testing of HT UG cable of size 95 Sq mm 3 Core XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor 11000 Volts (earthed) grade complete all as directed and specified.
Note - Excavation earth work will be measured and paid separately.
60
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Supply, laying, testing of HT UG cable of size 120 Sq mm 3 Core XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor 11000 Volts (earthed) grade complete all as directed and specified.
Note - Excavation earth work will be measured and paid separately.
60
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Supply, laying, testing of HT UG cable of size 185 Sq mm 3 Core XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor 11000 Volts (earthed) grade complete all as specified and directed.
Note - Excavation earth work will be measured and paid separately.
20
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Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size 95 sqmm to 120 sqmm complete all as specified and directed.
2
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Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size185 sqmm complete all as specified and directed.
2
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Supply and fix cable jointing kit for 11 KV grade cable for straight through , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size 95 sqmm to 120 sqmm complete all as specified and directed.
2
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Supply and fix cable jointing kit for 11 KV grade cable for straight through , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE , armoured, Al conductor cable of size 185 sqmm complete all as specified and directed.
2
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Supplying & laying un-reinforced precast concrete cable cover, class HV, Type 1, flat, size 300 mm x 180 mm x 40 mm laid over under ground cable for protection complete all as specified and directed.
661
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Supply & Laying of Telerex DWC (Double Wall corrugated) HDPE pipe ISI marked of outer dia of 120 mm and inner dia 103 mm polythylene including coupler & Bend with smoooth inernal and profiled external surface for non pressue under ground cable complete all as specified and directed.
40
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Taking down old vintage HT Two pole structure and connected fitting fixture complete all as specified and directed.
16
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Taking down old vintage HT four pole structure and connected fitting fixture complete all as specified and directed.
5
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Supply, installation, testing & commssioningof HT 11kV, 3Ph, 50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 05 way Outdoor Ring Main Unit with 4 Isolator , 1 VCB ( type CCCCV+) with 01 set of CT ratio 50A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 5 way manual operated,outdoor,one side -extensible,oudoor comprising of (4 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed. (Make :- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
2
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-
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(A) Load break switch (630A) - Load break switch should have the following
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
-
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(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
-
-
-
... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following:
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
-
-
-
... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viii) Protection CT 50/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
-
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-
... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
-
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... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 04 way Outdoor Ring Main Unit with 2 Isolator , 2 VCB ( type CCVV+) with 01 set of CT ratio 50/1,40A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 4 way manual operated,outdoor,one side -extensible,oudoor comprising of (2 LBS+2 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed . (Make :- ABB/Siemens/Schneider). Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued. The RMU shall include as follows:-
1
-
-
... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
-
-
-
... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
-
-
-
... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following :-
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
-
-
-
... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors
(viii) Protection CT 50/1,40/1A , 2.5VA ,5P10 - 1 set for each VCB (ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
-
-
-
... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
-
-
-
... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 04 way Outdoor Ring Main Unit with 3 Isolator , 1 VCB ( type CCCV+) with 01 set of CT ratio 50A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 4 way manual operated,outdoor,one side -extensible,oudoor comprising of (3 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
2
-
-
... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
-
-
-
... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
-
-
-
... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following :-
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
-
-
-
... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 50/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
-
-
-
... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
-
-
-
... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 04 way Outdoor Ring Main Unit with 3 Isolator , 1 VCB ( type CCCV+) with 01 set of CT ratio 40A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 4 way manual operated,outdoor,one side -extensible,oudoor comprising of (3 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows :-
1
-
-
... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
-
-
-
... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
-
-
-
... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following :-
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
-
-
-
... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 40/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
-
-
-
... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
-
-
-
... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 04 way Outdoor Ring Main Unit with 3 Isolator , 1 VCB ( type CCCV+) with 01 set of CT ratio 60A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 4 way manual operated,outdoor,one side -extensible,oudoor comprising of (3 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed . (Make :- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
-
-
... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
-
-
-
... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
-
-
-
... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following -
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 60/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 03 way Outdoor Ring Main Unit with 2 Isolator , 1 VCB ( type CCV+) with 01 set of CT ratio 40A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 3 way manual operated,outdoor,one side -extensible,oudoor comprising of (2 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make:- ABB/Siemens/Schneide Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
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(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following -
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 40/1A , 2.5VA ,5P10 - 1 set for each VCB.
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xi) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 03 way Outdoor Ring Main Unit with 2 Isolator , 1 VCB ( type CCV+) with 01 set of CT ratio 50A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 3 way manual operated,outdoor,one side -extensible,oudoor comprising of (2 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make :- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
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(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following : -
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 50/1A , 2.5VA ,5P10 - 1 set for each VCB (ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (xi) The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xii) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xiii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 03 way Outdoor Ring Main Unit with 2 Isolator , 1 VCB ( type CCV+) with 01 set of CT ratio 100A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 3 way manual operated,outdoor,one side -extensible,oudoor comprising of (2 LBS+1 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed . (Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
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(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following : -
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 400 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 100/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (xi) The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xii) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xiii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 05 way Outdoor Ring Main Unit with 3 Isolator , 2 VCB ( type CCCVV+) with 01 set of CT ratio 50/1A ,50/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 5 way manual operated,outdoor,one side -extensible,oudoor comprising of (3 LBS+2 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
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... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following : -
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 50/1A ,50/1A , 2.5VA ,5P10 - 1 set for each VCB. (ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (xi) The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xii) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xiii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 02 way Outdoor Ring Main Unit with 2 Isolator , ( type CC+) ,CU busbar,Type 2 way manual operated,outdoor,one side -extensible,oudoor comprising of (2 LBS) , rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C), including foundation as per OEM recommendation complete all as directed . (Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
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... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 07 way Outdoor Ring Main Unit with 4 Isolator , 3 VCB ( type CCC+CVVV+) with 01 set of CT ratio 60/1A,40/1A,40A/1A, Class 5P10,2.5VA & 01 No. STC 21kA for 3Sec ,IAC AFLR 21kA for 1sec ,CU busbar,Type 7 way manual operated,outdoor,one side -extensible,oudoor comprising of (4 LBS+3 VCBs) in a single unit (VCB to be manual), rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,rated current for VCB 630A,short time current (ik)-21kA for 3sec,rated short making current 50kV,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C),with IP 54 Each Vacuum Circuit breaker including foundation as per OEM recommendation complete all as directed .(Make :- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
1
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... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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... More
(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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... More
(B) Circuit Breaker (630A) - Circuit Breaker should have the following :-
(i) Manual operated 630 A Vacuum circuit breaker and Earthing Switch with making capacity
(ii) Fault arc Interruption should be in Vacuum only.
(iii) Auxiliary contacts 2NO and 2NC
(iv) Anti-reflex operating handle
(v) “Live Cable” LED Indicators thrugh Capacitor Voltage Dividers mounted on the bushings.
(vi) 3O/C + 1E/F self powered relay with Low and high set for Over current and Earth Fault. Relay should have facility to trip the breaker from remote commands without requiring shunt trip coil. It shall be communicable via MODBUS Communication
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... More
(vii) Mechanical ON/OFF/EARTH Indication
(viii) Cable boxes suitable towards front/rear side, for 1 X 3C x 300 sq mm XLPE Cable with right angle Cable Termination protectors (viiia) Protection CT 60/1A,40/1A,40A/1A , 2.5VA ,5P10 - 1 set for each VCB
(ix) The 630Amp T-off circuit breaker module should consist of an SF6 cubicle with high grade SS 304 Tank housing a fixed type vacuum circuit breaker and a series disconnector & earthing switch. Current rating less than 630Amp is not permissible. An integrated relay and related CTs is used for tripping of the circuit breaker. Use of SF6 as Fault-interruption media is not allowed, because of safety and environmental reasons.
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... More
(x) Bus bars and all electrical connections should be located inside the tank. The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (xi) The operating mechanisms are located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type so that in an unforeseen event of bushing breakage , the entire RMU shouldn’t be sent back to the factory. Front covers containing the mimic diagram having a degree of protection IP2X seal off the fronts. (xii) Vacuum bottles should be used as interrupters of the fault-currents & Vacuum bottle manufacturer should be same as RMU manufacturer. The make of vacuum bottles should be same as that of RMU.
(xiii) The Earthing switch shall be fault making type only . i.e. earthing should not involve Vacuum breaker as the total number of VCB operations will reduce if every earthing operation is via VCB .
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... More
Supply, installation, testing & commssioningof HT 11kV,3Ph,50Hz totally enclosed metal enclosed SF6 insulated switchgear having rated current carrying capacity upto 630A, with 03 way Outdoor Ring Main Unit with 3 Isolator , ( type CCC+) ,CU busbar,Type 3 way manual operated,outdoor,one side -extensible,oudoor comprising of (3 LBS) , rated power frequency voltage 28kV,rated impluse withstand voltage 75kV,rated current for ring main feeder -630A,ambient temperature (-5deg to +55deg celsius),design ambient temperature (40degree C), including foundation as per OEM recommendation complete all as directed . (Make:- ABB/Siemens/Schneider) Only OEM make RMUs are acceptable. RMUs manufactured & supplied in the name of System integrator / Franchise partners /License Partners of OEM are not acceptable. SF6 Gas tank, RMU shall be manufactured by OEM in whose name type tests are issued.
The RMU shall include as follows:-
2
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... More
(A) Load break switch (630A) - Load break switch should have the following -
(i) Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity
(ii) “Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings
(iii) Mechanical ON/OFF/EARTH Indication
(iv) Anti-reflex operating handle
(v) Cable Testing facility after opening the cable covers after doing the earthing suitably and without disconnecting the Cable terminations. (vi) Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors
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(vii) Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON.
(viii) It should consist of an SF6 cubicle housing a switch disconnector and an earthing switch. Bus bars and all electrical connections are located inside the tank. The switch positions are closed – open – earthed. (ix) The operating shafts for the switches should be have rotary seals where they enter the SF6 cubicle. (x) The operating mechanisms should be located outside on the front of the SF6 tank. Cable bushings shall be site replaceable type. Front covers containing the mimic diagram and having a degree of protection IP2X close the fronts.
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Supply, installation, testing & commissioning of maintenance free chemical earthing system comprising of 17mm dia copper bonded rod 3 mtr long horizontally pre welded T-terminal rod with provision for connection size of 50 x 150mm long, 6mm thickness with equal space either side, with 12mm dia hole of 02 numbers each on either side of the terminal clamp with 250 microns (average) coating thickness, tested and certified by CPRI India alongwith 50 Kg earth energizer compound and 10 litres earth resistance reducing liquid. The earthing energizer compound and resistance reducing earthing liquid shall be tested as per IEC-62561-7 read with ASTM G57-06, CI 3.4 Amp by any NABL accredited lab. The above mentioned rod shall be installed in 4-6 inch bore, 12 feet depth with a distance of minimum 3 meters between each installation including taking down existing one, complete all as specified and directed.
(Make : Model HTSP 317 of safeTrode or equivalent FURSE/ERICO/TIRUMALA))
Note - The quoted rate shall also deemed to be included the following :-
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(ii) The description/ size/ qty of items mentioned in above are for indicating only however qty/ size may vary at site condition to maintain the earth resistance 1 ohm. The contractor shall quote rate by considering all factors.
(ii) Rate of earth energizer compound of 25 Kg of 02 bags and earth resistance reducing liquid 10 litre per cane for each pit deemed to be included in the quoted rate. (iiii) Resistivity of earth energizer compound and resistance reducing earthing liquid shall be certified by any NABL accredited lab carried out as per IEC-62561-7 read with ASTMG57-06, CI-3.4A and the certificate of same shall be submitted by the contractor before commencement of work.
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(iv) Earth enhancing material should not leach into the adjacent soil or underground water channels and its PH value should be in neutral range complete all as specified and as directed. It should solidify when mixed with water and set like concrete.
(v) Copper strip of size 20 x 3 mm shall be fixed on proper post insulator at the instrument end ( copper strip upto 7.5 RM shall be considered in unit quoted rate and extra will be measured and paid separately). (vi) Testing of earth shall be carried out in presence of departmental and user representative and report shall be submitted to Garrison Engineer duly signed by all concerned. (vii) Earth resistance tester will be provided by the contractor. Tester should be calibrated from authorised company/ lab.
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(viii) Earthing shall be tested after completion of work by the contractor in presence of Engr-in-charge, user and proper record shall be maintained duly signed by all concerned. After testing if the desired earth resistance of less than 1 Ohm is not obtained, the earthing will be redone at no extra cost to Govt. till desired result is obtained.
(ix) The contractor shall give a written guarantee of minimum three years for maintaining the earth resistance less than 1 Ohm after certified date of completion. (x) No further maintenance or periodic watering or recharge shall be required in earthing during its guarantee period of over 03 years in all type of soil including soft/ disintegrated or hard rock. (xi) During the guarantee period, if earth resistance is not maintained less than 1 ohm the contractor has to redo or rectify at no extra cost to Govt till desired result is maintained.
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(xii) A security deposit of value equal to 2.5 % of the rate quoted for chemical earthing for each earthing shall be retained from payment due to the contractor from final bill for the guarantee period. (xiiii) The electrode shall carry manufacturer's name . (xiv) The connection clamp shall be permanentlly welded to the copper bounded rod to avoid any kind of connectivity loss,.The pre-welded copper bounded rod shall not need any additional clamp for termination. (xv) The acceptable earth resistance at earth busbar/ test point shall not be more than 1.0 Ohm.
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(xvi) The acceptable earth resistance at earth busbar/ test point shall not be more than 1.0 Ohm. (xvi) Earth work such as auguring and making good the surrounding area shall carried out in any type of soil. (xvii) The contractor shall submit CPRI India certified document for copper bounded rod to ensure genuineness of material. (xix) Sign board of mild steel sheet 2 mm thick duly painted with two coats of synthetic enamel paint over a coat of red oxide Zinc chrome primer showing result of earthing shall be fixed near the earth pit after completion as directed.
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Earth pit cover made of heavy duty poly plastic of high grade polypropylene tested and certified by any NABL accredited lab for load bearing capacity not less than 7.2 tonnes with top dia not less than 250mm, bottom dia not less than 330 mm and height not less than 260 mm dia for each electrode pit, complete including taking down, complete all as specified and directed.
(Make : Model SEPC 250 of SAFE TRODE/ Electrogrip Model/ EGTEK3LC of ISG Global or equivalent in OBO Betterman/ ERICO/TIRUMALA)
Note :- The contractor shall submit load bearing capacity certificate from the manufacturer.
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