PROVISION OF STAND BY HT UG CABLE FROM SOLAR POWER PLANT AT OTA AND 160KVA TRANSFORMER AND ALLIED WORKS FOR BARRACK NO 4,5 AND 6 AND SPECIAL REPAIRS/ REPLACEMENT OF HT UG CABLE FROM OTA OUTSIDE POWER HOUSE TO PO COLONY AT OTA UNDER GE STM

Earthwork excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth and getting out in soft / loose soil for laying cables / pipes / erection of poles etc. complete all as specified and as directed. Note:- (a) Excavation shall be carried out manually at certain places wherever directed by the Engineer-in-Charge at site to avoid breakage of existing Electrical / water connections. Quoted rate shall deemed to be include for the manual excavation and nothing extra shall be paid . (b) Old HT cable and bricks retrived during excavaion shall be removed by the contractor and quoted rate shall be inclusive for the same.

Removing excavated soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

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

Supply and lay HT cable , XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) 11000 volts grade (earthed cable) with stranded aluminium conductor cable of size 3 core x120 sqmm complete all as directed. Note: (a) HT Cable route indicator shall be provided at site and quoted rate shall deemed to be included in the quoted rate. (b) The routine tests and acceptance tests as per IS 7098 (Part –II) shall be carried out at factory premises and contractor shall submit the test report alongwith paid vouchers and quoted rates shall deemed to be include for the same.

Supply and lay GI tubes, 'light grade' galvanised 100mm bore with all fittings laid in trenches for drawing cables under road / drain /road crossings etc.complete all as specified and directed.

Supply, installation, testing & commissioning of Outdoor (IP 54) 4 way 11kV 630 Amps 21 KA/3 sec. One side / non extensible ring main unit compact switchgear consisting of 2 nos. fixed motorized vacuum circuit breaker module and 2 nos. fixed motorized load break switch module with additional BUS PT metering module and copper bus bar in SF6 insulated stainless steel enclosure (2 mm thick, SS304 grade). The complete RMU must be type tested for internal arc 21 KA for 1 sec with AFLR classification for gas tank & cable chamber. HT RMU shall preferably has site replaceable bushings to have very less downtime in the event of bushing breakage and restoration can be done immediately without sending the RMU to OEM Works. The vaccum interrupter must RMU manufacturer's own make. Make of RMU shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE/CG Power and Industrial Solutions Ltd The complete RMU shall be consist of the followings: (a) Microprocessor based IDMT relay for circuit breakers - Self Powered along with series trip coil (Modbus RS 485 complaint) for each VCB Module. (b) Capacitive voltage indication fixed type system with LED for all feeder and FPI in all load break switch feeder. (c) SF6 Gas pressure indicator on the gas tank. (d) Operating sequence of VCB must be O-0.3Sec-CO-3 Mins-CO and suitable for 10000 mechanical operation. Off load switch with Earth switch must be placed between VCB & Cable bushing.

(e) CT shall be minimum 40/1A ,2.5VA , 5P20 - 3 nos. for protection (f) CT shall be minimum 40/1A, 2.5VA, Class 0.5 - 3 nos. for metering (g) Right angle boot to be provided in each module (h) 2X12V, 26AH Battery with Charger - 1 Set (i) Bus VT shall be 11KV/V3/110V/V3, 20VA, Class 0.5 - 3 nos. for metering (j) Auxiliary VT shall be 11KV/230, 500VA for AC supply input to battery Charger-01 set

Supply, installation, testing and commissioning of outdoor (IP 54) 3 way 11kV 630Amps 21KA/3 sec. One side / non extensible ring main unit compact switchgear consisting of 1 no. fixed motorized vacuum circuit breaker module and 2 nos. fixed motorized load break switch module with additional BUS PT metering module and copper bus bar in SF6 insulated stainless steel enclosure (2 mm thick, SS304 grade). The complete RMU must be type tested for internal arc 21KA for 1 sec with AFLR classification for gas tank & cable chamber. HT RMU shall preferably have site replaceable bushings to have very less downtime in the event of bushing breakage and restoration can be done immediately without sending the RMU to OEM works. The vacuum interrupter must RMU manufacturer's own make. Make of RMU shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE /CG Power and Industrial Solutions Ltd . The complete RMU shall be consist of the followings: (a) Microprocessor based IDMT relay for circuit breakers - Self Powered along with series trip coil (Modbus RS485 complaint) for each VCB Module. (b) Capacitive voltage indication fixed type system with LED for all feeder and FPI in all load break switch feeder. (c) SF6 Gas pressure indicator on the gas tank. (d) Operating sequence of VCB must be O-0.3Sec-CO-3 Mins-CO and suitable for 10000 mechanical operation. Off load switch with Earth switch must be placed between VCB & Cable bushing.

(e) CT shall be minimum 40/1A ,2.5VA , 5P20 - 3 nos. for protection (f) CT shall be minimum 40/1A ,2.5VA , Class 0.5 - 3 nos. for metering (g) Right angle boot to be provided in each module (h) 2X12V, 26AH battery with Charger - 1 Set (i) Bus VT shall be 11KV/V3/110V/V3 ,20VA , Class 0.5 - 3 nos. for metering (j) Auxiliary VT shall be 11KV/230 ,500VA for AC supply input to battery Charger - 01 set

M&L for boring / drilling hole upto 150mm bore under the road in any type of soil by manually for laying cables, pipes etc. without disturbing and damaging the road portion complete all as specified and directed by Engineer-in-Charge.