Repair and Maintenance of LT Panel With Latest Safety Devices Installed at Old Sub-Station Building Under FTR HQ BSF Jalandhar Punjab

Supplying, installtion, testing and commissioning of indoor typefloor mounted metal clad, 11 KV VCB panel with (01 Nos incomer and 01 nos outgoing with VCB) totally enclosed & fully interlocked, horizontal draw out, horizontal/vertical isolation type breaker as per IS 13118, as amended up to date and additional specification, having capacities as mentioned below, single break, trip free mechanism, manually charged and auto/manually closing breaker suitable for use on 11 KV, 3 Phase, 50 Hz AC supply with short circuit fault level of 350 MVA, complete with self-contained, fully interlocked, rack in and rack out mechanism, air insulated but encapsulated copper bus bars of 800 amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch (as per manufacturere specification) and equipped with following switchgears and accessories i/e/ connections suitable for 3 x 240 to 300 sqmm/XLPE 11 KV cable (cable entry from bottom/top/side) i/c dismantling the existing OCB/VCB and testing on load etc as required. 1 Nos 800 Amp VCB :- (i) 01 Nos - (0-100) A) Ammeters, dual scale digital type & selector switches for ammeters and voltmeter (0-15KV), digital type, selector switch for voltmeter. (ii) 01 Nos. Microprocessor based numerical replays with O/L, E/F & S/C protections. (iii) 1 Nos-Set of dual core dual ratio 3 CTs 100/50/5/5 A of 15 VA burden and accuracy class-1.0 for metering and class 5P 10 protection . (iv) 1 set of indicating lamps to indicate OPEN, CLOSE, TRIP, SPRING CHARGED, TRIP CIRCUIT. (v) 1 set of Phase indicating lamps with protection MCB. (vi) Power pack with 220 Volt AC input & 24 Volt DC continuous output suitable for closing/tripping/indication of 2 Nos. HT panel boards with 2 Nos. 12 Volts each maintenance free batteries of 100AH each with battery box, charging unit, capacitor bank for emergency delivering for trip system complete with suitable capacity of Ammeter & Voltmeter i/e connections with 2.5 sq.mm FRLS insulated copper conductor cable etc. as required alongwith power pack trolley.

SITC of 800A, Air circuit breaker breaking capacity 50 KA manual draw out type 4 Pole Microprocessor based ET trip systems with thermal memory Conforms to IS/ IEC 60947-2 & 3,Zone Selective Interlocking, Fully rated neutral with inbuilt protection, Pre trip alarm & individual fault indicating LEDs ACB MVS08N4MW6L comprising of Overload, Short-circuit, Instantaneous & Earth-fault protections etc as required

SITC of indoor type compartmentalized cubical panel of size suitable for 415 Volt, 3 phases, 50 Hz made out of 2mm thick CRCA sheet and depth up to 800 mm with required hardware duly painted with powder coated. The panel having separate detachable gland plate, hinged door, with locking arrangement, earth bar/stud, 1000A/415V 4 strip aluminum bus bar duly PVC sleeved, including electrical mechanical interlocking, connection inter–connection for incoming/Outgoing cables with the bus bars having 25% extra capacity of rated MCCBs with spreader links and solid copper conductor cable 10 sqmm/solid aluminium rod for MCBs (when required) for incoming/outgoing cables, links for spare MCCBs heavy duty connectors/terminal for three and single phase connections for MCBs and fixing the panel iron/c type channel frame duly painted.The panel should be mounted on MS Base frame 75 mm x 40 mm x 5mm of suitable size and should have the provision of following instruments mounted and including provision of outgoing cable connections bus bar links of required current carrying capacity etc as required. (Indoor Panel should be as per design & drawing approved by Engg in charge and comprising of Instruments) space for 800A 4 Pole Air Circuit Breakers, bus couplers for two transformers, MCCBs. dismentling the existing panel. old service cables disconnecting from old panels and connected with new panel. a) 0-500 Volts, Digital voltmeter of size 96 Sqmmx96 sqmm with Selector switch-02 Set b) 0-1000 Amps, Digital Ammeter of size 96Sqmmx96sqmm type with Selector switch -02 set c) LED Pilot light (22.5 MM dia) with protection MCB’s- 06Nos) d) Alarm System - 01 Nos e) small panel fan-02 nos with lovers for exhaust

Providing and fixing following rating and breaking capacity MCCB with thermomagnetic release and terminal spreaders in existing/new cubicle panel/LT panel (item no.1) including drilling holes in cubicle panel/ new/existing LT panel (item no 1 & 2), making connection,testing complete etc as require (As incomer). 400 Amp, 50KA, TP MCCB

Providing and fixing following rating and breaking capacity MCCB with thermomagnetic release and terminal spreaders in existing/new cubicle panel/LT panel (item no.1) including drilling holes in cubicle panel/ new/existing LT panel (item no 1), making connection,testing complete etc as require (for outgoing feeder).200 Amp, 25 KA, TP MCCB

Providing and fixing following rating and breaking capacity MCCB with thermomagnetic release and terminal spreaders in existing/new cubicle panel/LT panel (item no.1) including drilling holes in cubicle panel/ new/existing LT panel (item no 1), making connection,testing complete etc as require (for outgoing feeder).100 Amp, 25 KA, TP MCCB

Supplying and fixing following rating, 400 Amp open enclousre onload changeover switch with steel enclousre in the existing Panel complete with connections, testing and commissioning etc. as required.

Dismantling the existing OLD VCB , ACB, LT panel along with Disconnection of old HT/LT Cables and Providing/making temporary arrangements for connection of for distribution system including making new connection to new VCB/ACB and distribution panel, Laying cable outside from sub-station etc as req.

Providing and fixing H.T. danger notice plate of 250 mm x 200 mm, made of mild steel, at least 2 mm thick, and vitreous enameled white on both sides, and with inscription in single red colour on front side as required.

Providing and fixing M. V. danger notice plate of 200 mm x 150 mm, made of mild steel, at least 2 mm thick, and vitreous enameled white on both sides, and with inscription in single red colour on fron side as required.