Proposed Special Court for Magistrate Tribal cases related to MPs and MLAs at Ground floor of Mayukh Bhavan, Salt Lake, Kolkata-91 --- Electrical Installation work

Providing and fixing following rating and breaking capacity and 4 pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, Ics=100% Icu and Operational Voltage 690V etc. as required as per direction of EIC. 250 A FP [Make- Legrand/L&T/ABB]

S & laying 1.1 KV 4 x 50sq. mm (396/0.40) multi core stranded 'FR'PVC insulated & unsheathed copper wire through prelaid polythene pipe and by the prelaid Gl fish wire and making necy. connection as required as per direction of EIC.

Supply and fixing 50 sq.mm copper reducer terminal(for finishing the ends of copper cable at the meter end) as per direction of EIC.

Supply , Installation,Testing & Commissioning of cubicle type wall mounted panel made by CPRI approved manufacturer suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system fabricated in compartmentalized (preferably) design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland, plates including cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 315 Amp capacity extensible type TPN copper bus bars of high conductivity made of with 99.99 % tinned copper, DMC / SMC bus bars of high conductivity, DMC/ SMC busbar supports, with short circuit withstand capacity of 50 KA for 1 Sec., panel should be fabricated with 50mm x 50mm x 6 mm angle structure and the base should be fabricated with 40mm x 6 mm flat bars. Bottom base channel of the MS section is not less than 100 mm x 50 mm x 5 mm thick, fabrication shall be done in transportable sections, the entire panel shall have a common Al. earth bar of size 25 mm x 5 mm at the rear with 2 Nos. earth stud, solid connections from the main bus bar to switch gears with the required size of Al. bus bars and control wiring with PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two halves, The whole design drawing of the LT panel and make of all the components of the LT panel is to be approved by the engaged agency from the E.I.C. prior to execution of the work. A) Incoming Arrangement: (a)250A MCCB (DZ6F0250NXD1AOOOO)Thermomagnetic release and terminal spreaders with Spreader Link and Rotary handle- 01 no. [Make:- L&T/ABB/Legrand]; (b) Digital type Voltmeter (Make-L & T WLA32020OOOO/ Equivalent Legrand / Siemens / Schneider) - 1 set (c) Digital type Ammeter (Make-L & T WL131020OOOO/ Legrand / Siemens / Schneider) - 1 no and CT’s Class I accuracy and 250/5A, 5 VA Tape Wound – 3 nos. (d) Phase indication LED lamps & on/off/trip indication - 9nos. (e)Mutifunction meter with RS 485 communication port, Cat No: WL442011OOOO- 1 no. f) 6A FP MCB- 3 no (Mk.- Legrand/L & T ) (B) Bus Section: 400A. electrolyte grade tinned Cu. bus bar with vertical section of size (4 X 40 mm x 6mm) x 1000 mm length for Phase RYB & neutral bars. A bus bar shall be fixed with FRP chair & the entire bars are insulated with PVC heat Sinkable sleeve of suitable size & color as per direction of E.I.C. C) Outgoing Switches a)125A MCCB (DZ4F0200DXD1AOOOO)Thermomagnetic release and terminal spreaders with Spreader Link and Rotary handle- 02 no. [Make:- L&T/ABB/Legrand]; b)160A MCCB (DZ4F0200DXD1AOOOO)Thermomagnetic release and terminal spreaders with Spreader Link and Rotary handle- 02 no. [Make:- L&T/ABB/Legrand]; c)415V,200A,Open Execution FP Changeover-[Make:- L&T/ABB/Legrand]; (D) Inter Connection: All interconnection of switches & bus bars shall be made with suitable size cu- busbar (25x6mm). (E) Earthing: A separate Al. earth Bar (25x6mm) with bolts – 2 Nos. will be provided in panel boards on both sides as per drawing. (F) Cable Alley: Cable entry arrangement will be provided in the cubical panel in vertical position of appropriate size 2 way AC/DC make connector indicating phase & neutral for each outgoing main switch & gland plate must be placed at the bottom of the panel with detachable type as per direction of E.I.C. (G) Painting: The complete panel board shall be painted by 2 coats of powder coated synthetic enamel Paint over two coats of R.O. primer of Approved make & brand & color as per Direction.

Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish as per GS. Up to 160A, 8 Way [Make- Legrand/L&T/ABB]

Supplying and fixing double-door Horizontal TPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS. 8 Way [Make- Legrand/L&T/ABB]

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS. 2+12 Way [Make- Legrand/L&T/ABB]

Providing and fixing following rating and breaking capacity and 4 pole MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, Ics=100% Icu and Operational Voltage 690V etc. as required. 160 A FP [Make- Legrand/L&T/ABB]

Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required. 63A [Make- Legrand/L&T/ABB]

Supplying and fixing following rating, double pole,(single phase and neutral), 240 V, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required. 40A [Make- Legrand/L&T/ABB]