CA NO. CWE /HILLS /PGH/110 OF 2026-2027 SPL REPAIRS TO E/M INSTALLATIONS FOR REPLACEMENT OF EXISTING 4 POLE STRUCTURE WITH GOD BY RMU SYSTEM INCLUDING RE-ROUTING OF HT UG CABLES AND CONNECTED MISC WORKS AT MIL STN PITHORAGARH

Supplying , installation, testing and commissioning of 12 KV, 630 Amps having short circuit capacity 25kA/3-sec, Outdoor (IP54), both side extensible RMU (Ring main unit) 11-way comprising of 04 Nos motorized operated Load Break Switch, 04 Nos 630 Amp Fixed-Type motorized spring-charging VCB & 03 Nos load break switch as sectionaliser electrolytic grade copper busbars all inside single, gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 3+0.5 mm, IP 67 Degree of Protection , internal-arc classified AFLR 21kA/1sec for cable box and tank both, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. Single Front door should cover both Mimic & Cable compartment door. RMU should have factory fitted minimum 300mm base with cable support arrangement. Gas tank, vacuum interrupter and RMU enclosure must be of same make. RMU from System integrator/house or Authorized partner having technology transfer agreement shall not be accepted. The unit shall include the following along with all necessary accessories and fittings as required at site Complete all as specified and as directed by Engineer-in-Charge. Configuration : CVSLCVSLCVSLCV Make : ABB/ Siemens/ Schneider or equivalent as approved by GE.

(A) 04 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 12kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 25kA/3-sec, Making Capacity - 62.5kAp (iii) Auxiliary contacts - 3NO + 3NC (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 120 Sqmm , 3 Core , XLPE AL cable termination in live-condition. Each Set of 03 (vi) Right angle boots (push on type)-Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom , front with Interlocking mechanism including earth switch -01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It is to be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault-01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No

(B) 04 Nos. Outgoing VCB module each consisting of following accessories :- (i) Each function-unit consists of a vacuum-circuit breaker in combination with a three position-switch.The three-position-switch fulfills the operation of the disconnector-function and earthing function. (ii) 12kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 25kA/3-sec, Making Capacity - 62.5kAp-01 No. (iii) Aux. contacts - 3NO+3NC-01 No (iv) Stored-energy motorized high-endurance spring charging mechanism (M1+), with inbuilt spring-charging lever and mechanically latched ON/OFF push-buttons to allow handle-less and un-inhibited operation -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 120 Sqmm , 3 Core, XLPE AL cable termination in live-condition-Each Set of 3 (vi) Right angle boots (push on type)-Each set of 3 (vii) 3O/C + 1E/F self powered SCADAcompatible numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current also.Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol-01 No (viii) Associated ring-core cast-resin insulated CTs 200-100/1 Amp , 2.5 VA, 5P10 for protection - Each Set of 3 (ix) Arc proof cable covers with self Interlocking mechanism with earth switch -01 No (x) Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No. (xi) Push button for breaker trip. (xii) Shunt trip coil 24V DC - 01 No. (xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01 No. (xiv) Emergency Trip Push Button - 01 No. (xv) Vacuum circuit breaker with high mechanical endurance of 10000 operations (M2 Class), VCB operating sequence O-0.3sec-CO-3Min-CO (xvi) To ensure reliablility of operation Vacuum interrupter shall be of same make as RMU.

(C) 03 Nos Load break Switch as bus sectionallizer:- The busbar sectionalizer shall consist of a 12 kV, 630 A load break switch with an integrated earthing switch for busbar sectionalizing and isolation. The module shall have a rated short-time withstand current of 25 kA for 3 seconds, a rated peak withstand current of 62.5 kA. The switch shall be equipped with a reliable spring-operated mechanism and position indication to ensure safe and dependable operation. (D) Additional equipment deliverd separately or mounted seperately :- (i) Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos (ii) Standard Manometer -01 No (iii) Operation and Maintenance Manual -01 No (iv) Installation & Commissioning Manual -01 No (v) Cable clamping provision (standard) -01No

Supplying , installation, testing and commissioning of 12 KV, 630 Amps having short circuit capacity 25kA/3-sec, Outdoor (IP54), both side extensible RMU (Ring main unit) 11-way comprising of 02 Nos motorized operated Load Break Switch and 02 Nos 630 Amp Fixed-Type motorized spring-charging VCB electrolytic grade copper busbars all inside single, SF6 gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 2 mm, IP 67 Degree of Protection , internal-arc classified AFLR 21kA/1sec for cable box and tank both, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. Single Front door should cover both Mimic & Cable compartment door. RMU should have factory fitted minimum 300mm base with cable support arrangement. Gas tank, vacuum interrupter and RMU enclosure must be of same make. RMU from System integrator/house or Authorized partner having technology transfer agreement shall not be accepted. The unit shall include the following along with all necessary accessories and fittings as required at site Complete all as specified and as directed by Engineer-in-Charge. Configuration : CCVV Make : ABB/ Siemens/ Schneider or equivalent as approved by GE.

(A) 02 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 12kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 25kA/3-sec, Making Capacity - 62.5kAp-01 No. (iii) Auxiliary contacts - 3NO + 3NC (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 120 Sqmm , 3 Core , XLPE AL cable termination in live-condition. Each Set of 03 (vi) Right angle boots (push on type)-Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom , front with Interlocking mechanism including earth switch -01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It is to be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault-01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No

(B) 02 Nos. Outgoing VCB module each consisting of following accessories :- (i) Each function-unit consists of a vacuum-circuit breaker in combination with a three position-switch.The three-position-switch fulfills the operation of the disconnector-function and earthing function. (ii) 12kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 25kA/3-sec, Making Capacity - 62.5kAp-01 No. (iii) Aux. contacts - 3NO+3NC-01 No (iv) Stored-energy motorized high-endurance spring charging mechanism (M1+), with inbuilt spring-charging lever and mechanically latched ON/OFF push-buttons to allow handle-less and un-inhibited operation -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 120 Sqmm , 3 Core, XLPE AL cable termination in live-condition-Each Set of 3 (vi) Right angle boots (push on type)-Each set of 3 (vii) 3O/C + 1E/F self powered SCADAcompatible numerical protection relay with Low and High set for Over current and Earth Fault. Relay should have facility to display the maximum loaded phase current also.Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol-01 No (viii) Associated ring-core cast-resin insulated CTs 200-100/1 Amp , 2.5 VA, 5P10 for protection - Each Set of 3 (ix) Arc proof cable covers with self Interlocking mechanism with earth switch -01 No (x) Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No. (xi) Push button for breaker trip. (xii) Shunt trip coil 24V DC - 01 No. (xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01 No. (xiv) Emergency Trip Push Button - 01 No. (xv) Vacuum circuit breaker with high mechanical endurance of 10000 operations (M2 Class), VCB operating sequence O-0.3sec-CO-3Min-CO (xvi) To ensure reliablility of operation Vacuum interrupter shall be of same make as RMU.

(C) Additional equipment deliverd separately or mounted seperately :- (i) Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos (ii) Standard Manometer -01 No (iii) Operation and Maintenance Manual -01 No (iv) Installation & Commissioning Manual -01 No (v) Cable clamping provision (standard) -01No

Supplying , installation, testing and commissioning of 12 KV, 630 Amps having short circuit capacity 25kA/3-sec, Outdoor (IP54), both side extensible RMU (Ring main unit) 11-way comprising of 01 Nos motorized operated Load Break Switch and 03 Nos 630 Amp Fixed-Type motorized spring-charging VCB electrolytic grade copper busbars all inside single, SF6 gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 2 mm, IP 67 Degree of Protection , internal-arc classified AFLR 21kA/1sec for cable box and tank both, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. Single Front door should cover both Mimic & Cable compartment door. RMU should have factory fitted minimum 300mm base with cable support arrangement. Gas tank, vacuum interrupter and RMU enclosure must be of same make. RMU from System integrator/house or Authorized partner having technology transfer agreement shall not be accepted. The unit shall include the following along with all necessary accessories and fittings as required at site Complete all as specified and as directed by Engineer-in-Charge. Configuration : CVVV Make : ABB/ Siemens/ Schneider or equivalent as approved by GE.

(A) 01 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching-unit is designed as a three position switch. This three function switch combines the functions of switch-disconnector and earthing switch. (ii) 12kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 25kA/3-sec, Making Capacity - 62.5kAp-01 No. (iii) Auxiliary contacts - 3NO + 3NC (iv) Spring-assisted snap-action motorized mechanism with un-inhibited operating shaft for emergency manual operation with integrated earthing switch -01 No (v) Cable terminals (site replacable Cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes) with double-door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access upto 11 KV , 120 Sqmm , 3 Core , XLPE AL cable termination in live-condition. Each Set of 03 (vi) Right angle boots (push on type)-Each Set of 03 (vii) Arc proof cable covers having cable entry from bottom , front with Interlocking mechanism including earth switch -01 No (viii) Capacitive voltage indication fixed type system as per IEC61243 with LED - 01 Set (ix) Fault Passage Indicator - It is to be provided for each incomer load break unit, FPI with LED/digital display to be added for detection of cable fault-01 No (x) ON, OFF, EARTH mechanical indication on the front mimic of the panel - 01 No