PROVN OF 33 KV POWER SUPPLY AND ALLIED INFRASTRUCTURE AT 5 WG UNDER GE P AF KALAIKUNDA

Supplying, Laying connecting & testing XLPE insulated, PVC sheathed, armoured HT electric power UG cable (heavy duty with stranded aluminum conductor) of size 300 Sqmm, 3 core, 33000 Volts(Earthed) grade, confirming to IS-7098 (Part-II) laid through duct/ pipe / in trench etc. with cable glands complete all as specified and as directed.

Material and labour for HT 33 KV (Earthed) grade heat shrinkable end termination jointing kit indoor type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 to 400 sqmm complete all as specified and as directed.

Material and labour for HT 33 KV (Earthed) grade heat shrinkable end termination jointing kit outdoor type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 to 400 sqmm complete all as specified and as directed.

Material & labour for copper earth contInuity conductor of size 20 x 3 mm strip with insulator fixed to wall or drawn in conduit/pipe as required all as directed by Engineer In charge.

Supplying, Installation, testing & commissioning indoor type panels of CRCA/Aluminium Zinc coated steel sheet of 2 mm thickness, floor mounted metal enclosed, 33 KV VCB panel with 3 nos VCBs (2 INCOMERS, 1 OUTGOING & 1 BUS PT), totally enclosed and fully interlocked, horizontal draw out, horizontal isolation type breaker as per IEC 62271-1, 100, 200, as amended up to date and additional Specifications, having capacities as mentioned below, single break, trip free mechanism, manually charged and manually closing breaker suitable for use on 33 KV, 3 phase, 50 Hz A.C. supply with short circuit fault level of 31.5kA for 3 sec. Panel shall be full internal arc tested i.e. in all three chambers at 31.5kA for 1 sec for safety purpose (AFLR), complete with self contained, fully interlocked, rack in and rack out mechanism, air insulated HT sleeved and self supported copper tinned bus bars, breaker featured with mechanical ON/OFF indicator with hand trip coil and auxiliary switch of 4 NO+4NC, Battery power pack battery with 7AH & in built charger for 24 V circuit – 01 set and equipped with following switchgears and accessories:— Confirming to IS 10028

(A)Incoming VCB panel-02Nos:- (a) One No 1600 Amps capacity<triple pole,metal clad HT control panel totally enclosed,earthed double pattern, horizontal draw out type with grounded neutral system and equipped with the following equipments:- (i) One set of 3 phase 2400 Amps air insulated tinned copper bus bar with inuslated colour coating. (ii) One set of vacuum interupter of make CGL/BEL/Reputed Confirming to IS relevant IS 13118 (iii) One set of closing &tripping coil suitablr for 24 DC (iv)One set of 4 NO+4 NC auxiliary switch (v) Mechanical ON/OFF indication (vi) Mechanical spring charge/discharge indication (vii) Breaker position indicator (viii) Mechanical operating counter (ix) automatic safety shutters (x) secondary plug in contacts (xi) Anti pumping relay

(b) 3 Nos of 33 KV epoxy resin cast current transformer having ratio 200-100/5+5A,core I CL 1.0 with 15 VA burden for metering & core II CL 5P 10 with 15VA burden for protection Confirming IS 2705 IEC 61869 (c) One Nos of 33 KV epoxy resin cast current transformer having ratio 33/V 3 KV/110/V 3V,3 phase draw out type,core I CL 1.0 with 100 VA burden for metering & protection Confirming IS 3156 and IS 16227 (d) One NO MISC type 96 sqmm ammeter and selector switch (e) One NO MISC type 96 sqmm Voltmeter and selector switch (f) One No multifunction meter (g) Microprocessed based Non-Directional IDMT relay,Master trip relay Model No AVAJH-13 & Trip circuit supervision relay (h) RYB indication lamp,breaker ON/OFF indication lamps,spring charging indication lamp,Auto trip indication lamp & Trip cirduit healthy indication lamp

(j) Trip/Neutral/Close switch - 01 No (k) Trip circuit healthy push button - 01 No (l) Fuse/MCB for spring charge motor - 01 No (m) Fuse/MCB for AC/DC supply - 01 No (n) Panel space heater with thermostat - 01 No (o) Panel illumination with switch - 01 No (p) 5 Amp 3 Pin socket with switch - 01 No (q) Bus bar for earthing - 01 set (r) Control fuses, ferules & wiring - 01 set

(B) Outgoing VCB panel – 01 No. (a) One No. 1600 Amps capacity, triple pole, metal clad HT control panel totally enclosed, earthed double pattern, horizontal draw-out type with grounded neutral system and equipped with the following equipments:— (i) One set of 3 phase 2400 Amps air insulated tinned copper bus bar with insulated colour coating. (ii) One set of Vacuum Interrupter (iii) One set of closing & tripping coil suitable for 24 DC. (iv) One set of 4 NO + 4 NC auxiliary switch. (v) Mechanical ON/OFF indication. (vi) Mechanical spring charge/discharge indication. (vii) Breaker position indicator. (viii) Mechanical operating counter. (ix) Automatic safety shutters. (x) Secondary plug-in contacts (xi) Anti-pumping relay.

(b) 3 Nos. of 33 KV epoxy resin cast current transformer having ratio 200-100/5+5A, core I CL 1.0 with 15 VA burden for metering & core II CL 5P 10 with 15 VA burden for protection Confirming IS 2705 / IEC 61689 (c) One No. MSC type 96 sqmm ammeter and selector switch (d) One No MISC type 96 sqmm voltmeter and selector switch (e) One No multifunction meter (f) Microprocessed based Non-Directional IDMT relay, Master trip relay Model No. AVAJH-13 & Trip circuit supervision relay (g) RYB indication lamp, breaker ON/OFF indication lamps, spring charging indication lamp, Auto trip indication lamp & Trip circuit healthy indication lamp (h) Trip /Neutral/Close switch – 01 No (i) Trip circuit healthy push button – 01 No (k) Fuse/MCB for spring charge motor – 01 No (l) Fuse/MCB for AC/DC supply – 01 No (m) Panel space heater with thermostat – 01 No (n) Panel illumination with switch – 01 No (o) 5 Amp 3 pin socket with switch – 01 No (p) Bus bar for earthing – 01 set (q) Control fuses, ferrules & wiring – 01 set