CA NO.CWE BLY/GE (E)/121 OF 2026- 2027SPL REPAIR FOR REPLACEMENT and IMPROVEMENT OF 11 KV (01 X INCLUDING and 03 X OUTGOING RING MAIN UNIT) AT TCP NO 01AND GGS PUMP HOUSE AT SHAHJAHANPUR CANTT UNDER GE (EAST) BAREILLY

Supplying, installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 21KA/3-sec, Outdoor (IP54), motorised and manual operated RMU (Ring main unit) 04 way, comprising of 01 Nos manual and motorized operated Load Break Switch and 03 Nos 630 Amp Fixed-Type manual and motorized spring-charging VCB . RMU should be provided with internal busbars, as well as earthing busbars of electrolytic grade copper all inside , SF6 gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness min 2.5 mm, IP 67 Degree of Protection, internal-arc classified 21kA/1sec. The RMU should be enhanced BIL of 75 kVp internally to manage voltage surges.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.

Load break switch module - 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) 11kV, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 21kA/3-sec, Making Capacity - 50kAp -01 No (iii) Auxiliary contacts - 1NO + 1NC -01 No (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 upto 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.

Vacuum circuit Breaker module - 03 Nos motorised Vacuum Circuit Breaker Module as Outgoing consist of following-: (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) 11kV, 630A Fixed-Type VCB module with series disconnector cum earthing switch of short circuit breaking current/withstand - 21kA/3-sec, Making Capacity - 50kAp (iii) Aux. contacts - 1NO+1NC (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 (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) Operation counter (vii) Self- Powered Microprocessor based Relay (3 O/C & E/F) with RS485 port with MODBUS Protocol as per OEM recommendation. (viii) Protection CT - 50-100/1A, Cl- 5P10, 2.5VA burden (ix) Suitable site replaceable Cable bushings (x) Arc proof cable covers with self Interlocking mechanism between doors, earth switch, disconnector & VCB (xi) Capacitive voltage indication fixed type system (xii) Mechanical Indications for breaker ON, OFF, EARTH, TRIP, Spring Charged-Discharged, Vacuum Interrupter should be of same make. Cable box should be arc proof with bolted door and interlocked with respective earthing switches. Doors should be removable for the ease access to terminate cables. (xiii) Right angle boots (push on type) -Each set of 03 (ix) Auxilary transformer 11 kv/230 volt 500 VA for a power supply to battery and battery charger (x) Suitable battery charger 24 Volt to supply power to the motor with batteries of required capacity and ripping and closing coil.

S&F cable jointing kit for 11 KV (Earthed) graded cable for outdoor terminal heat shrinkage type complete with jointing material accessories suitable for 3 core XLPE armoued aluminium conductor cable of size 95 sqmm complete all as specified and directed.

S&F XLPE insulated screened, PVC beeded galvanised steel strip or wire armoured electric power cables(heavy duty) with aluminium conductor,11000 volts grade across sectional area 95 sqmm 3 core complete all as specified and directed.

Excavation in trenches not exceeding 1.5 M wide and not exceeding 1.5 M in depth and getting out in soft/loose or any other type of soil for taking up or laying of cable complete all as specified and directed.

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

Removing excavated material not exceeding 50 M and depositing where directed at a level not exceeding 1.5 M above starting point complete all as specified and directed.