WBPWD/EE/KNHED/e-NIQ-96/2nd Call/24-25

Amount

Substation Installations Disconnection & Dismantling the existing Transformer Rating: 315 KVA, total mass: approx. 1500 kg and LT Panel , AMF ,Cables( HT & LT) to the another suitable place under jurisdiction of North Kolkata as per direction of E.I.C within 5 km.

Supply & delivery & Testing & Installation of 630 KVA ,6 KV Cast Resin Dry type transformer as per specification below: (Make:Kirloskar/ABB/Schneider/CG/Voltamp/Energypac) with CPRI approval Applicable Standard: IS 11171-1985 with latest modification (if any) & CBIP Specification Rating: 630 KVA, 3 phase, 50Hz, Delta/ Star Type: Indoor type, core type cast resin, three phase, copper wound, air cooled dry type Voltage ratio: 6 KV/ 415 Volt Links/ Tapings: Off circuit Links, tapping range +5% to -5%, in steps of 2.5% Tap PO

Vector Group: Dyn 11 Class of Insulation: Class F Temp rise: 90' C over ambient of 50'C Core & Coils:The core shall be built up with high grade, non-aging, low loss, high permeability, grain oriented, cold-rolled silicon steel laminations especially suitable for core materials. Grade of core should be M4 or better. The coils shall be manufactured from electrolytic copper conductor & fully insulated for rated voltage, coils shall be resin molded for both LV & HV with epoxy resin, encapsulated, Class F, naturally cooled (AN).

Transformer losses shall be guaranteed as per CBBC Efficiency (Minimum) : % efficiancy at 75 deg C/ unity P.F. a) At 100% load : 98.81% efficiancy at 75 deg C/ 0.8 P.F. a)At 100% load : 98.52 Impedance: 5% (Allowable tolerance as per IS)

Testing: All Routine tests as per relevent IS have to be conducted at manufacturer's work Shop. The PWD engineer officer will inspect the factory site and testing will be carried in front of the officers. Terminal arrangement: HV: HV cable box assembly suitable for 3X240 sq. mm. Al. XLPE(E) 11KV cable with copper flat & support insulator. LV: LV cable box assembly suitable for 3X400 sq.mm. Al. XLPE cable with copper flat & support insulator.

The Transformer will be of Environmental Class E3 minimum, Climatic Class C2 as defined IEC 60076, Fire Behavior Class F1 as defined in IEC 60076-11. All the above i.e. Environmental Calss, Climatic Class & Fire Behavior Class must be indicated in rating plate.

Enclosure: Sheet steel with protection class Ias per IEC , painting should be eposy/ as per latest standard. Basic level Insulation for HV: 60 KV pk. Temperature Scanner: provided with 3 RTDS for sensing winding temperatures alongwith temperature scanners for display of winding temperature and with Alarm/ Trip contacts.

S & fixing of 100-50/5 +5A Current Trasformer in the existing 800 Amp VCB after dismanting the existing 50-25/5 CTs with the necessary hole making in the busbar and also S & f of additional Busbars in the 800 Amp VCB

Supply & Drawing 1.1 KV Grade 7 Core 1.5 sq.mm PVC Armoured Copper Cable from Transformer WT relay to VCB WT relay for Power & Control Supply as per direction of EIC

Making testing arrangement and submitting the test report for high voltage testing of specified voltage incl. checking & testing of all HT / LT equipments by authorized firm of Directorate of Electricity & commissioning the installation after obtaining the Approval of Directorate of Electricity.The scope shall be also included the necessary approval from Authority also.

Submission of a Sub-station drawing (Computer autocad generated & printed in all sheet quarduplicate) showing H.T & LT cable duct single line power diagrams EI layout system equiment neutral earthing etc. enter plan as per direction and satisfication of E.IC.

Supply & Laying of 11 kV grade 3 core 240 sq.mm. XLPE (E) HT cable with Al. conductor from consumer's gear to transformer to be laid through masonery trench as per direction of EIC. (Make Polycab/Havells/ Gloster/Nicco)[from HT gear to Transformer]

Laying of 1 No. 11KV (E) Grade XLPE Aluminium conductor, PVC sheathed, armoured cable confirming to IS 7098 with latest ammenment of following size in the existing Masonary Open Duct as required as per approved make uploaded herewith.[ From HT Gear and to Transformer]. 3 Core x 240 Sq.mm

Making termination of the 3 core 240 sq.mm. HT cable incl.supply of necy. jointing materials & compound (Heat shrink cable jointing kit of approved make RAY CAM) at switch gear & transformer terminations on H.T. sides incl. testing as per

Supplying and making end termination with Brass compression gland and aluminium lugs for the following sizes of PVC insulated and PVC sheathed aluminium conductor cable of 11 KV Grade as required 3 Core x 240 Sq. mm

Fixing of cable on existing Cable Angle Supports and binding with suitable size GI wire. (1 core 300 sqmm)

Supply & laying of 1.1KV grade 4 core 400 sq.mm. PVC/A AL. cable to be laid through masonary / U.G trench as per G.S. (Three Run) (from Transformer to ACB of sub-station L.T. main panel via D.G,) -(Make Polycab/Havells/ Gloster)

Supply & Installation, Testing and Commissioning of 415V, L.T. CPRI Approved cable trench mounted cubical panel on Brick foundation and net cemented, with required size and shape suitable for existing panel room (Min Dimension 3000mm (L) x 750mm (D) x 2000mm (H)), and made of 2mm thick CRCA steel sheet (consists cable alley, MCCB, AMF & Bus bar) incl. suitable for use in 3rd party SCADA compatible earthernet network, powder coated painting all round, ISMC 100x75mm base frame as per approved design (splited into two parts) CNC frabricated Panel & followed by 9(nine) tank pretreatment of entire enclosure with powder coated finished paint (RAL 7032) having Cu. Bus bar and following equipments & accessories. Protection rank required of the panel in IP 54. Including mechanical & electrical interlocking system complete with all accessories and connecting cables as required.

The panel will have provision for integration with the existing Fire Alarm panel so as to the panel could be switched off during fire occurrance. Control cables wiil be laid up to the fire panel by the agency but connection to the FIRE PANEL will be in fire personnel's scope (By means of SMPS & module). Complete installation work will be done as per direction of EIC & as per site condition with following materials, [Main LT Panel]

Incoming Arrangement : Normal Portion a) 415 V, 1250 A 4(four) pole electrically draw- out type A.C.B. with Microprocessor-based EDO type protection release(Icu=Ics=Icw=50kA for 1sec). (Make – ABB/SIEMENS/Schneider/L-K) ----- 1nos. Emergency Portion a) 415 V, 630 A 4(four) pole MCCB with Microprocessor based release . (Make – ABB/SIEMENS/Schneider/L-K) ----- 1nos b) 415 V, 630 A 4(four) pole MCCB with Microprocessor based release(Make – ABB/SIEMENS/Schneider/L-K) ----- 1nos The Emergency portion both MCCBs will be controlled through AMF Controller with bypass arrangement. Battery Charger Arrangement will be placed at the Panel.Signal and power cable only

Bus bar section : 415V, 1500 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar [size of flat 100 mm x 10 mm] mounted on non-hygroscopic porcelain insulator / hylum sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification - 1 set.

The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable SS nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications. Bus bar should be distributed in such a way that total loads can be evenly distributed on both sides of LT incomer panels as per direction of EIC.

Outgoing Arrangement : Normal Portion a) 415V 630 A 4P Thermal Release type MCCB with Spreader Link (Make – ABB/SIEMENS/Schneider/L-K) ----- 1 Nos. b) 415V 315 A 4P Thermal Release type MCCB with Spreader Link(Make – ABB/SIEMENS/Schneider/L-K) - 1 nos Emergency Portion a) 415V 315 A 4P Thermal Release type MCCB with Spreader Link (Make – ABB/SIEMENS/Schneider/L-K) ----- 2 Nos. b) 415V 250 A 4P Thermal Release type MCCB with Spreader Link(Make – ABB/SIEMENS/Schneider/L-K) - 1 no c) 415V 160 A 4P Thermal Release type MCCB with Spreader Link(Make – ABB/SIEMENS/Schneider/L-K) - 6 nos

AMF Arrangement : i) 630A, 36kA, 4P, 415V Manual with Motorised version, Thermal cum Magnetic release MCCB, with extended bars both ends (suitable for 800A bus bur connection at outgoing end and 3 Run 4C 400 sqmm XLPE Al cable connection other end), trip alarm contact, 1 C/O auxiliary contact (Make: L-K type D-sign TM DN3) - 2Set. ii) Automatic Source Transfer controller having LCD screen, programmable i/o functions, automatic generator start / stop, controls on UV, OV, phase loss, asymmetry, minimum frequency, maximum frequency, time delay etc as required by EIC. (Make: L&T, model AuXC - 2000) - 1Nos iii) Stored Energy Electrically operated with manually operated MCCB's mechanism suitable to fit above two numbers DN3 type MCCB, with two numbers Auxiliary + trip contact for two MCCBs, mechanical interlock base plate. This two MCCB also electrically interlocked through above noted automatic source transfer controller i.e., AuXC - 2000. (Make: L-K).

iv) The input end of each 630A MCCB must be extended with electrolyte Cu bars 4 x (2 x 50x6 mm) with heat sink cover, SS nut-bolts-washers, each bar individually supported with epoxy insulators minimum two numbers. The Bus length & support should carry 3run 4C x 400sqmm Al, Ar cable termination. a) The combined output end of two 630 A MCCB must be extended with electrolyte Cu bars 4 x (2 x 50x6 mm) with heat sink cover, SS nut-bolts-washers each bar individually supported with epoxy insulators minimum two numbers. The Bus length & support should carry 3 run 4C x 400sqmm Al, Ar cable termination.

c) 6A FP C-curve MCB - 4nos (Make: L&T) d) 4C/O 230Vac coil voltage auxiliary relay with base & inbuilt LED indication (Make: PLA) - 6nos. e) 6A SP MCB C-curve - 3nos, 10A DP MCB C-curve - 1nos & 40A 4P MCB Change-over switch -1no[for DG remote control] (Make: L&T) f) 9A TP contactor having 230Vac coil voltage and 2NO + 2NC aux. contact block (Make: L&T) - 4sets. g) 6sqmm 750V draw out type terminals (Make: Elmex) - 24Nos. i) 1250/5A 5VA class-I CT (Make : Kappa / L&T / Selec/ Schneider) - 3nos. j) 630/5A 5VA class-I CT (Make : Kappa / L&T / Selec/ Schneider) - 6nos.

l) 4way 250A capacity bakelite terminal having all SS but bolt washers for outgoings - 16nos. m) Providing of 35/50/70/95/120 sqmm 1.1KV gr. Cu flexible cable with Cu socketing at all ends for B/B to MCCBs connection for required length (Make: Finolex / Polycab/Gloster) n) all control / metering / indication wiring by 1.5sqmm 1.1KV fl copper wire and battery charging wiring by 4.0sqmm 1.1kV gr fl wire. (Make: Finolex / Polycab) o) Provide all necessary screws, tie belt, PVC wire tray (60% occupied), GI 50x6mm earthing flat etc as required.

Interconnection :- All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pvc insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper & with maintaining Proper color code with proper socketing of the end of each wire leads. Also the main Bus bar to be extended to outgoing feeders on two side of bus coupler panel (as per direction of EIC). Earthing :- A separate continuous GI earth busbar of appropriate size is to be painted at the inside bottom of the panel and run across the full load of the panel board. All electrical equipment are to be properly earthed with suitable size G.I. wire.

The complete panel board is to be spray painted after required surface treatment by & tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating. Installation :- The complete panel board is to be installed on suitable brick padestal as directed by the E.I.C.

SITC of floor mounted angular structured supported Feeder Pillar Box with Four legs with Dust & moisture proof fabricated from 2 mm CRCA sheet with IP 66 protection. The Feeder Pillar is to be installed on the brick structure mending with net cement.The feeder pillar should have adequate strength and space to accommodate the incoming switches bus bars with all interconnection in between the switches & bus bars with of suitable capacity. The panel board should be painted by powder coated paint and. The panel board should comprise with the followings gadgets

INCOMER :- (a) &F of 415V 630 A 4(four) pole MCCB with Microprocessor based release(Make – ABB/SIEMENS/Schneider/L-K) ----- 1 nos (c) 500V, 600 (4 x 40x10mm) Amp capacity 4 bar Copper busbar chamber compring with 4 nos 315 Amp capacity eletrolytic tinned copper bar suppported on nonhygroscopic insulating chair. OUTGOING :- (c)S&F of 415V 415 A 4(four) pole MCCB with Microprocessor based release(Make – ABB/SIEMENS/Schneider/L-K) ----- 2nos

Providing & fixing carbon dioxide(CO2) type fire extinguishers conforming to IS 2878-1976 & cylinders fully charged of following capacity ABC TYPE (4.5kg) ( Make:-Fire safe/ Agni)

S&F of foam fire extinguisher, portable type 9 lit capacity hanged on wall with bracket complete as reqd ( Protection against chemical fire)

S&F safety instruction chart in duly framed with wooden structure with 5mm thinck glass as reqd( approx font area 1.20 sqmt)( instruction should be in 2 language i.e. English,Bengali)

Providing of 9.5 lt capacity GI bucket with handle with oval shaped bottom with duly fine sand filling all those & handle/ holding arrangrement on its wallof bucket during throw of internal item & painted in post office red color with prior coat of red oxide paint & written with white paint fire & mounted on MS angle iron frame with bracket & suitable base of appropriate size & capacity filled with sand etc.

Providing first aid box as approved by St. Jhon Ambulance Brigade/Indian Red Cross conforming to IS 2217-1963

S&F shock treatment chart in word duly mounted & framed with 5mm thinck glass as reqd( approx font area 1.20 sqmt)( instruction should be in 2 language i.e. English,Bengali)

Providing Rubber Mat 2mt length x 1m wide & 12 mm thick to withstand 15kV dielectric strength as per IS5424-1969

Providing Rubber Mat 2mt length x 1m wide & 6 mm thick to withstand 3.3kV dielectric strength as per IS5424-1970

Supply & fixing 50x5 mm MS angle having length of 1.2 mtr. each with both side grouting arrangemet on floor with necessary cutting it & mending good damages with smooth finish etc. after placement it on floor . For necessary support of checker plate.

S&F of 1000 mm wide & 8mm thick & (600 mm long each piece) as checker plate with lifting hook present each with necessary Painting for covering the trench.

S & F of ISMC 100x50mm MS channel duly welded with 6mm thick MS sheet / ISA 50x6 mm / necessary MS section as per direction of EIC after necessary cutting, grinding, two cote synthetic painting, welding etc as per direction of EIC for support the panel at cable trench, base frame for flood lights etc. Also S & F of necessary anchor fastener for fixing the MS section as per site requirement. Also, mending goods damages as previous original condition.

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. {With 25x25x3mm angle iron support, 300x50x1.25mm (18SWG)}

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Extra for treatment of soil by using salt & charcoal or coke for pipe electrode (for morrum soil)

Extra for connecting the neutral of Transformer to Earth Busbar / Earth Electrod including S&F 65mmX8mm Galv. Steel tape on wall / floor with GI saddles and insulating the same by one layer of PVC tape over one layer empire tape.

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 65 mm x 8 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required double Earth busbar with inter connection at regular interval should be provided.

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

SUB-HEAD -- Distribution Wiring of Raw Line Dismantling the existing LT panel and making necessary temporary arrangement to cater electrical supply to all utilities. If required agency may need to hire temporary panel,cables etc.

Supplying and fixing double door 8 way Vertical TPN MCB Distribution board for 63 A FP 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, including Supplying and fixing double door sheet steel (16SWG), powder coated top and bottom end box for TPN DB vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts bolts etc incl. provision for earthing attachment (Make: Legrand/L-K/Siemens) Incoming: 160A, 415V, 25KA FP MCCB-1 nos. Out going: 63A, 415V, 10KA & C curve TP MCB-8 nos. Cable end box-2 nos [D-6,7 and D-11,15]

Supplying and fixing double door 6 way Vertical TPN MCB Distribution board for 100 A 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, including Supplying and fixing double door sheet steel (16SWG), powder coated top and bottom end box for TPN DB vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts bolts etc incl. provision for earthing attachment (Make: Legrand/L&T/Siemens) Incoming: 100A, 415V, 25KA FP MCCB-1 nos. Out going 40A, 415V, 10KA & C curve TP MCB-6 nos. Cable End Box-2nos [D-6,7 and D-11,15]

Supply & fixing of 415V, 6 way Horizontal TPN Double Door MCB Power DB complete with the following accessories and two number matching cable end box inside it and the same to be fitted after concealing the wall and mending good the damages as far as praticable as to G.S (Make: Legrand/L&T/Siemens) Incoming 40A 415V, 10KA FP MCB type isolator 1nos Out going (6-32A), 240V, 10KA & C curve SP MCB-18 nos Cable End Box-2nos [D-6,7 and D-10,14]

Distn Wiring in 1.1 Kv gr Single core stranded FRLSH PVC insulated & unsheathed cu wire (make- Havells/Polycab/RR Kable) in 20/32/40 mm size PVC rigid conduit 'FR (precession) incl. necy Fitting as reqd. a) 2 x1.5 sqmm+ 1x 1.5sqmm for ECC for 18W LED circuler light

b) 2 x2.5 sqmm 1x 1.5sqmm for ECC

c) 2 x 4 sqmm+1x2.5 sqmm for ECC

d) 2x6 sqmm+1x4sqmm for ECC

e) 4 x16 sqmm+ 2 x 10 sqmm for ECC

f) 4x10 sqmm+ 2 x 6 sqmm for ECC

g) 4 x 6 sqmm + 2 x 4 sqmm for ECC

h) 4 x 4 sqmm + 2 x 2.5sqmm for ECC

Finishing end of copper wire and PVC/AI cable of the folowing sizes by crimping 16 sqmm

Supplying and delivery of 1.1 KV grade armoured Alminium XLPE cable. (Make: Gloster/Havells/Polycab) 4 core 120 sqmm

4 core 70 sqmm

4 core 50 sqmm

4 core 35 sqmm

4 core 25 sqmm

4 core 16 sqmm

4 core 10 sqmm

Laying of cable from 3/3½ core 35 sqmm to 70 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Supply and fixing compression type glandcomplete with brass gland brass ring and rubber ring for dust and moisture proof entry of XLPE/PVC armoured cable. 4 core 120 sqmm

4 core 70 sqmm

4 core 50 sqmm

4 core 35 sqmm

4 core 25 sqmm

4 core 16 sqmm

4 core 10 sqmm

4 core 400 sqmm cable (gland of existing cable)

4 core 240 sqmm cable (gland of existing cable)

Finishing the end of following XLPE/PVC armoured cables bycrimping method incl. supplying and fixing solderless socket(Dowels make), tapes, anticorrosive paste & jointing materials 4 core 120 sqmm

4 core 70 sqmm

4 core 50 sqmm

4 core 35 sqmm

4 core 25 sqmm

4 core 16 sqmm

4 core 10 sqmm

4 core 400 sqmm cable (finishing end of existing cable)

4 core 240 sqmm cable (finishing end of existing cable)

Supply and providing of hiring based soundproof 160 kVA Diesel Generator with attendent

Supplying and pouring of diesel to hiring based DG time to time including carrying and storation charges.

Transportation charge for Diesel and 1nos. 160 kVA DG set to IBTM & IH, Maniktala

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for any installing, dismantling work/ LC installation of overhead reservoir (vertical run)

Supply and fixing of 1.1Kv grade 1 core 240 sq.mm unarmoured Copper cable on surface of wall as to GS. [ for Main LT Panel]

Supply and fixing of 1.1Kv grade 1 core 150 sq.mm unarmoured Copper cable on surface of wall as to GS. [ for Main LT Panel]

Supply and fixing of 1.1Kv grade 1 core 120 sq.mm unarmoured Copper cable on surface of wall as to GS. [ as incomer cable to SMDB 2nd floor]

Supply and fixing of 1.1Kv grade 1 core 50 sq.mm unarmoured Copper cable on surface of wall as to GS. [ for 3rd floor Panel incomer to Busbar]

Supply and fixing of 1.1Kv grade 1 core 35 sq.mm unarmoured Copper cable on surface of wall as to GS. [ for 1st floor changeover to VTPN]

Supply and fixing of 2 inch/50 mm dia. Metal Flex pipe

Finishing the end of following Copper unarmoured/ armoured cables by crimping method incl. supplying and fixing solderless copper socket (Dowels make), tapes, anticorrosive paste & jointing materials :[NS] 1 core 240 sqmm

1 core 150 sqmm

1 core 120 sqmm

1 core 50 sqmm

1 core 35 sqmm

Supply and fixing of 24" (600 mm) wall mounted Air Circulator with necy. 5 mm MS fastner, 20mm X 3mm clamp as per direction of EIC.[Make: EPC Heavy duty, Typhoon Circulator]

Supply and delivery of 12"( 300mm ) exhaust fan, Speed 1420 RPM (EPC/Crompton)

Fixing only exhaust fan in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust of following diameter. 30 cm (12").

Supply & Fixing louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long) 30 cm Exhaust fan (12")For Al

Supply of 3 phase dual timer for consisting of the following a) 14 inch X 12 inch x 6 inch -double door MS Box b) Digital Timer - (make-Siemens/L&T)- 1nos, C) 4P MCB 415V/63A-1 NO (make-Siemens/L&T). Cat no STL44327RC, e) 4 pole power cotactor of 40A rating 2 no (make-Siemens/L&T) type 1) DB locking arrangement must be there. g) 6A MCB, h) Push bottom ON/OFF switch indivisual outer side of DB (There must be bypass mechanism and indication for ON/OFF by indicating lamp of the AC m/c unit attached to it )(For double Air-Conditioner Machine)

Supply & fixing of Single Phase Dual Timer controller in SS double door with Enclosure 2+10 way (L&T LTSD12N or eqiuivalent)( Concealed in wall) comprising of :- i) 230V AC 32A power contactor (L&T cat-MNX 32-2P,CS90241 or equivalent) ( 2 NO), ii)Analog time switch[L&T cat no:AUTS03ANA00 or equivalent] iii ) 230V, 32A DP MCB, C type. iv) 25 A MCB change over with suitable interconnection v) MCB Modular Red indicator Light, DHMCYSPX000 vi) 230V, 15A, 3 way terminal. vii) 15A, 8way neutral bar, to be mount on DIN rail with necy interconnection with 1.5 sqmm cu flexible wire ( Finolex / Havells )including ferrule marking & socketing within the 2+10 way SPNDB MCB enclosure box. ( Make: Legrand /Siemens/ L&T)

SUB-HEAD Distribution Wiring of Substation Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for horizontal & vertical run embedded in wall], with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch (Brand approved by EIC) fixed on Piano Key GI switch board complete with 2 no. suitable size “Ph & N” copper bar with top cover plate making earthing attachment fixed on wall incl. mending good damages to original finish. [only PVC Rigid Conduit on ceiling and remaining portion concealed] Average run 9 mtr

Distn. wiring in 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) in 19 mm bore, 3 mm thick polythen pipe complete with all accessories embedded in wall to 240 V 6A 5 pin plug point incl. S&F 240 V 6A 3 pin Piano Key type plug socket & Piano Key type switch (Brand approved by EIC) incl. S&F earth continuity wire, fixed on 4 Module GI switch board with 3/4 Module top cover plate flushed in wall incl. mending good damages to original finish On Board

Supply & Fixing 240 V, 16 A, 3 pin Piano Key type plug socket (Brand approved by EIC) with 16A Piano Key type switch, without plug top on 4 Module GI Modular type switch board with top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth ontinuity wire etc.

S & F Glow sign board (4 ft x 3 ft x 6 inch ) made from 25X25X3 mm MS angle 4x3 mm MS flat having the provision for opening from front by 25x25 x 5 mm MS angle ( 3 no hinged duly welded the board should be ennclosed from outside by 20 SWG GI sheet expected the front the entire board should be painted with one coat synthetic enamel paint cover one coat of RO primer .The front facia of the board is to be made in 20 mm thick white PVC sheet of Export Quality having suitable size & to be fixed on the front structure by S&F suitable size aluminium angle SS screw the matter is to be encripted by on a whole best quality venile sheet as per approved size colour & matter which will be pested properly over the pvc sheet. S & F of 2 nos. 2 feet 10 watt LED Batten ( Philips make ) incl. making entire connection with 3x1.5 sqmm stranded cupper wire through flexible pipe for proper illumination of the GSB from inside as per direction of EIC ( Matter should be encrypted) in English)

Lifting of existing Panel of sized approx. [1720 x 1420 x 1000 mm] through automatic hydraulic machineries/ manually by 200 mm and support it on approx. Standard 600 x 200 x 11 x 17 x 12m I-Beam Steel incl. supllying and fixing of I-Beam.

(Rate should be quotated including PF, ESI, and Bonus all taxes and duties, GST)

CHAKRABORTY ENTERPRISE (BID ID -5837921)

Electromech Engineers Co-Operative Society Ltd. (BID ID -5796881)

M/S. N.C. HORE (BID ID -5818382)