WBPWDTE/EE/BED/NIQ_31/Q of 2025-26

Amount

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 incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment of the following sizes as to GS. (Make:- Legrand/ Siemens/Schneider) 4 way Enclosure upto 160 Amp (for AC machine)

Supplying and fixing double door Horizontal TPN MCB Distribution board with IP-42/43 protection, concealed Distribution board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment as to GS. (for Power plug) (Make:- Legrand/ Siemens/Schneider) 8way Enclosure

Supplying and fixing 415 V four pole MCCB of breaking capacity 25kA/35kA with fixed thermal and fixed magnetic/adjustable thermal and fixed magnetic setting in existing DBs/ enclosure and necessary connection Make-Legrand, as to GS. (Make:- Legrand/ Siemens/Schneider) 125 Amp

Supplying and fixing 240/415 V Isolator on din rail of existing DBs and necessary connection Make-Legrand / Siemens, as to GS. (Make:- Legrand/ Siemens/Schneider) 415 V, 63A FP

Supplying and fixing 240/415V, MCB of Breaking capacity 10kA & C characteristics on the DIN rail of existing DBs and necessary connections as per GS. (Make:- Legrand/ Siemens/Schneider) 6A - 32A SP MCB

63A TP MCB

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for two/four pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment 4 Way

Supplying & Fixing GI waterproof type looping cable box size 200 x 150 x 100 mm deep having 4 mm thick comprising of one 250V, 15A kit-kat fuse unit, one NL on porcelain insulator, one compression type brass cable gland for upto 2 core 16 sqmm PVC/A cable and having lined with rubber gasketted GI top cover with brass screws etc., earthing terminal with lug, on steel tubular pole near base, including S&F 40x6 mm thick, MS clamps with bolts, nuts etc. including painting with anticorrosive paint

Supply & Fixing 240 V, 4 nos. 20A plug socket with separate 4 nos. 20A Piano key type switch, indicator & 20A switch type SP MCB (approved make) on sheet metal switch board embedded in wall incl. S & F 300x200x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Distribution wiring in 1.1 KV single core stranded 'FRLS' PVC insulated & unsheathed copper wire ( Make:- Polycab/ RR Kable / Havells/Finolex ) in 20mm / 25mm / 32 mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required. 4 x 6.0 sqmm + 2 x 4.0 sqmm (for Power plug & 5.O TR AC Machine )

4 x 16 sqmm + 2 x 10 sqmm (from VTPN to TPN MCB DBs)

Supply and Delivery of 4 Core 10 Sq. mm Armoured Copper Cable. (Make: Havells/ Polycab/RR Kable.)

Laying of one No. cable upto 35 sqmm in underground trench 460 mm wide x 760 mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per metre, including filling the space between the brick & cable and also the trench with shifted soil, Leveling up and restoring surface duly rammed.

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. as per G.S. 4.0 sq mm

Supply and delivery of 1.1 KV Grade following sizes Al. Armoured PVC/ XLPE Cable ( Make : Havells/ Polycab/RR Kable ) as per the direction of EIC 4 core 70 sqmm ( from Panel to VTPN )

Laying of cable above 4 core 50 sqmm and upto 4 core 90 sqmm on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : 4 core 70 sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials . 4 core 70 sqmm

Supplying and fixing a Timer Panel housed in an MS box made of 18 SWG CRCA sheet, size 800x400x300 mm (or suitable size to accommodate all electrical components with adequate spacing and ventilation). The box shall have a hinged front-open door with a threaded locking mechanism on one side. It shall be mounted on a wall using a flat iron frame, as per the direction of the Engineer-in-Charge (EIC). The box shall include the following accessories: ii) 230V, 50 Hz ,16 Amp Single dial 1 x 24 Hrs.Timer (Microrex QT31) of quartz driven running reserve, Day dial back up by nickle cadmium battery(Make: LK(L&T)-AUTS03ANA00/ Legrand/Siemns)

iii) 250 V, 50 Hz, 40A, 3-Pole, Power Conctactor with (2 NO or 1 NO + 1 NC Aux. Contract) ( Make - Legrand / LK(L & T) Cat No. CS94190 / Siemens) - 2 Nos iv) 250 V, 50 HZ, 40 Amp, 4P MCB Isolator - 1 No v) 250 V, 50 HZ, 40 Amp, 4P MCB - 1 No v) Auto / Manual By-pass Toggle Switch arrangement – 1 No vi) 250 V, LED Indicator lamp. - 1 no vii) Bakelite base with FP bolt type stud /Terminal block incl S&F Neutral Bar, etc, with this box for termination of power. viii) The complete arrangement must be wired by 10/6/4/2.5/1.5 Sq. mm PVC insulated Cu wire with suitable length including socketing /lugs, etc, as per requirement & direction of EIC (All electrical installation Make - Legrand /LK(L&T)/Siemens/Schneider )

Supply, installation, testing & commissioning of 20 kVA / 20 kW Online UPS (Make:- Delta/Numeric/Emerson/Vertiv) Phase: 3-Phase Input / 3-Phase Output. Technology: DSP-Controlled IGBT Rectifier, True Online UPS. Transformer: With an inbuilt or external isolation transformer. Redundancy: Supports (1+1) Parallel Redundant Configuration (PRS). Battery Bank: Option for a common battery bank when in PRS mode. a) UPS Type: True Online Double Conversion with DSP Control b) Input Power Factor: Greater than 0.95 c) Redundancy Capability: Yes – can be operated in 1+1 PRS mode d) Battery Configuration: Supports both independent and common battery bank operation in PRS mode. Input Specifications:- Voltage Range: 305 V to 477 V AC (for 100% load) Frequency Range: 45 Hz to 65 Hz Power Factor: Greater than 0.98 at full load Total Harmonic Distortion (THDi): Less than 10% on full resistive load (when mains THDu is below 1%) Input Protection: Built-in single-pole MCB (1P MCB) suitable for full-rated UPS capacity.

Output Voltage:- 15 V AC ±1% Voltage Distortion:- ≤ 3% (Resistive Load), ≤ 5% (Resistive + Capacitive + Inductive Load - RCD); Crest Factor:- Minimum 3:1 on full load Short Circuit Protection:- Electronic / Fused Maintenance Bypass:- Built-in manual bypass Overall Efficiency (AC to AC) > 90% (on full load) ECO Mode Efficiency > 95% (on full load) Overload Capacity:- 125% for 10 minutes; 150% for 60 seconds Display:- LCD & LED display required Battery Backup:- Parameter:- Specification Backup Time: 30 minutes Battery Bank Voltage: 480 V DC, Battery Bank VAH:- Minimum 20160VAH for 30 minutes backup Approved Battery Makes:- Amara Raja / Exide Number of Battery Banks:- Single bank Battery Bank Voltage:- 480 V DC

Communication & Control Features:- Serial Communication Ports : RS232 Port & USB Port REPO (Remote Emergency Power OFF) Port:- Required Cold Start Capability:- Required Automatic Restart Facility:- Required, Operating Temperature:- 0 - 40 °C, Operating Humidity: 0% ～ 95% RH (No Condensing) Manufacturer Should have:- ISO 9001: 2008, ISO 14001: 2004, ISO 45001, Product Safety Certifications(Mandatory):- EN 50091-2:1995,Class A, ESD:IEC61000-4-2: Level4, RS : IEC61000-4-3: Level3 EFT: IEC61000-4-4:Level4 SURGE: IEC61000-4-5:Level4 CS: IEC61000-4-6: Level3 Conducted Magnetic Field:IEC61000-4-8: Level3 CE declaration of conformity.

Supply & Delivery of Wall Mounted Flexi type split air conditioners having a microprocessor-based control system and the following specification. Capacity- 5.0 /5.5 Tonnage Rated Cooling Capacity -60000 BTU/Hr Type of IDU - HAT/Concealed type. No of IDU-2 No. Air-flow/IDU-1000CFM No. of ODU- 1 Nos Compressor -2 No Twin rotary Compressor Refrigerant -R410A Condenser & Cooling Coil: Copper coil Power Supply : 415V, 50Hz,3 Ph AC (with applicable tolerance) [ Make- Johnson Control (Hitachi) Cat No. PAH030SRHDDA) /Mitsubishi Heavy/Daikin ]

Installation, Testing & Commissioning of the above Air Conditioners by making scaffolding arrangement as per site condition, supply of necessary refrigerant, connecting control & power cabling & other necessary materials to complete the job For 5.0/5.5 TR Flexi Units.

Supply andlLaying of 5/8” & 3/8" dia (Soft drawn) Cu. Pipes (As per standard) with tube thickness 0.6mm incl. 9mm thick nitrile rubber insulation, , insulation tape, fastner, etc as necessary as per direction of EIC. Copper Pipe Make: Hitachi Ryoku/Mandev/Rajco) & Nitrile Rubber Insulation Make: Armacel/Accoflex/K-flex) (extra length for distance of ODU & IDU exceed 3 mtr.)

S& Laying 3 core x 2.5 mm² Round PVC insulated copper cable (Make-Polycab/Haavells/ Gloster/Finolex /RR Kable/KEI). For connection between IDU and ODU.

Supply and fixing of Al powder coated continuous Grill (Make Premier/Ravister/ Dynacraft)

Supply and Fixing of Flexible double canvass connection for concealed split air-conditioners.

Supplying, fitting & fixing in position of indoor unit covering , suspended false ceiling with frame work of aluminium hollow section of size 50mm X 25mm (2.0mm thickness) combined with suitable size aluminium corners, suspended by Suitable size aluminium hollow tube section with aluminium composit panels (ACP) - Interior grade of thickness 3.0 mm comprising of proctective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification finished with aluminium screw and silicon sealent complete in all respect including all incidental charges etc. as per direction of Engineer-in-charge. ACP Trap Door is needed for all the Indoor units for maintenance purposes. (ACP Make:- Alludecor/ALUCOBOND/ Alstone)

Supply & laying PVC Drain Pipe 19 mm dia with 6mm thick Nitrile Rubber Insulation (Make: Supreme/Oriplast/Astral)

Lifting & Schafolding of ac Machine

Supplying, fabrication & fixing of MS 8 mm road & 25 mm MS flat with necy. welding, screws and lugs with each other 25 x 25 x 5 mm MS angle support with necy. making of frame structure with necy. Two nos hinged arrangement with hatch bolt arrangement with shutter lock (3 key) 2 nos at least for each installation with necy. grouting arrangement on wall by anchoring by 25 x 25 x 5 mm MS angle at least 5" on wall with necy. painting two coat of synthetic enamel paint over one coat of RO primer with necy. direction of EIC

SRIDAM MONDAL (BID ID -7024187)

M/S. M. R. ENTERPRISE (BID ID -7023824)