CA NO.CWE BLY/GE (W)/99 OF 2025- 2026SPECIAL REPAIR/REPLACEMENT OF HT 2/4 POLE STRUCTURE INTO RING MAIN UNIT UNDER GE (WEST) BAREILLY

Excavation in trenches not exc 1.5 mtr width and not exce 1.5 mtr in depth in soft/loose soil and getting complete all as specified and as directed.

M&L for sand cushioning /sand covering for underground cable protection and consolidated and compacted with clean dry sand complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and as directed.

Laying only precast concrete cable cover of any size complete all as specified and as directed.

Returning, filling in including spreading levelling watering and well ramming in layers n.exc 25 thick for soft/loose soil complete all as specified and as directed.

Removal of excavated material to a disance n.exc 50 mtr and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

Disconnecting & Taking down/ out Serviceable HT XLPE Cable 11 KV of size 95 Sqmm of any description from Trenches, Floors, Walls, GI Pipes, etc., seggrating Serviceable cables, Pipes, PCC Cover, etc. including keep in safe custody for re-use complete all as specified and as directed.

Supply and Laying of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts (Earthed), grade cross sectional area 95 sq mm 3 core complete all as specified and directed.

Relaying XLPE Under Ground Serviceable Cable (Cable obtained from Item No. 7.00 here-in-before) 11000 volt grade, Cross sectional area 95 Sqmm 3 Core including Jointing and Testing, complete all as specified and as directed. Note - Necessary earth work to be measured and paid separately.

Supply, fixing, testing and commissioning of indoor termination heat shrinkable end jointing kit suitable for HT cable of size up to 95 Sqmm, XLPE insulated, PVC sheathed armoured 11000 volts grade complete all as specified and directed.

Supplying , installation, testing and commissioning of 12 KV, 630 Amps having short circuit capacity 21kA/3-sec, Outdoor (IP54), RMU (Ring main unit) 4-way comprising of 03 Nos manually operated Load Break Switch and 01 Nos 630 Amp Fixed Type manually operated spring charging VCB electrolytic grade copper busbars all inside, 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 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. The unit shall include the following along with all necessary accessories and fittings as required at site. ( Make : Siemens, ABB, Schneider)

Supplying , installation, testing and commissioning of 12 KV, 630 Amps having short circuit capacity 21kA/3-sec, Outdoor (IP54), RMU (Ring main unit) 3-way comprising of 02 Nos manually operated Load Break Switch and 01 Nos 630 Amp Fixed Type manually operated spring charging VCB electrolytic grade copper busbars all inside, 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 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. The unit shall include the following along with all necessary accessories and fittings as required at site. ( Make : Siemens, ABB, Schneider)

(A) 02 Nos. Incoming Load Break Switch module for 3 Way RMU & 02 Nos. Incoming Load Break Switch module for 4 Way RMU 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) 12V, 630A Load Break Switch with interlocked line-earthing scheme both short circuit current - 21kA/3-sec, Making Capacity - 50 kA - 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, 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 IEC 61243 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) 01 Nos. Outgoing VCB module for 3 Way RMU & 02 Nos. Outgoing VCB Module for 4 Way RMU 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 - 21kA/3-sec, Making Capacity - 50 kA - 01 No (iii) Aux. contacts - 1NO+1NC-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 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 50/1 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 IEC 61243 with LED - 01 No (xi) Push button for breaker trip (xii) Shunt trip coil 24V DC - 01

(xiii) ON, OFF, TRIP mechanical indication on the front mimic of the panel - 01. (xiv) Emergency Trip Push Button - 01. (xv) Vacuum circuit breaker with high mechanical endurance of 10000 operations (M2 Class) (xvi) To ensure reliablility of operation Vacuum interrupter shall be of same make as Ring Main Unit.

(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

M&L for dismantling of 4/2 pole HT stucture from ground lavel including openning of existing cable connection from GOD/Jumper, opening of insulater, LA, Angle iron frame complete with making good of disturebed surface and connecting the HT cable with RMU as directed.

M&L for foundation of Transformer of size 3000mm x 3000mm x 1600mm with fly ash bricks masonary work incl. steps (as per site requirement) infront of Transformer with fly ash brick masonary in CM 1:6 and plastering 10 mm thick in CM 1:6 up to 1.00 mtr height and three coats of white wash incl 150 mm RCC slab on top suitable foR carrying 200 KVA transformer incl. necessary excavation & earth work in soft/loose soil incuding 100 mm thick PCC 1:2:4 type B-2 (using 40mm graded stone aggregate) as in foundation per site requirement complete all as specified and directed.

M&L for PVC Coated chain link fencing 3 mm dia galvanised wire mesh (mesh size 50 mm x 50 mm) at the top of transformer plinth of size of 5000mm x 5000mm with fixed on MS angle iron frame of size 50x50x6mm and braced with flat iron 25x6mm incl provision of opening gate with 1 no. 300 mm sliding bolt of stainless steel with locking arrangement, MS hinges of suitable size as per site requirement and fence should be upto the transformer height incuding PCC 1:2:4 type B-2 (using 40mm graded stone aggregate) as in foundation for MS angle iron complete all as specified and directed.

M&L for galvanized earthing complete with galvanised steel earth plate electrode of size 600x600x6 mm thick buried directly in ground vertically at a depth not less than 2.25 mtr below ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using glavanised iron strip 32x6mm by means of bolts, nuts, check nuts and washers made of MS and protected by light grade 40mm dia and 20mm dia bore for watering and incl funnel, wire mesh RCC pit cover and PCC chamber pit with PCC 1:2:4 type B-2 (incl excavation and earth work, disposal of surplus soil to a distance not exc 50 mtr) all as specified and shown on Plate No 3 of SSR Part-I 2009 complete and testing after completion.

Supply and fixing Galvanised iron strip 32 x 6mm for connection of earthing with Transformer directly burried in ground complete all as directed.