WBPWD/EEII/KNHED/NIQ-128/24-25

Amount

SUB-HEAD I : SITC OF TRANSFORMER Transformer Supply, installation, testing & commissioning of three phase cast resin dry type indoor type transformer - 1000KVA, 6KV/415V, Dyn11, AN cooling as per IEC 60076-11/ IS 11171 / IS 2026. (Make:-- ABB/ VoltAmp Vadodora / CGL/Raychem) Specification : Rated power 1000 KVA Application : Distribution Step Down Transformer Cooling : Air Natural (AN) Rated frequency : 50 Hz ± 3% Rated primary voltage : 6 KV Rated off load Secondary Voltage : 415V

Seperate source power frequency voltage withstand / Rated insulation level : 14 KV rms (HV) / 3 KV rms (LV) HV winding : temperature class F LV winding : temperature class F Losses as per latest ECBC standard. Index of protection : IP43 Thermal protection relay, electronic converter type : Yes Fittings / Accessories : As per standard along with Rating & Diagram plate, Base Channel, Earthing Terminal, digital temperature scanner with two set points alarm & trip with RTD type 3 PT-100 Sensors, lifting lug 2 nos, bidirectioinal roller etc.

Disconection and uninstallation of old 500 KVA transformer and Charges for Loading, transportation & unloading Transformer from Mayo Hospital to Medical College & Hospital or any other site within Kolkata with Hydra and other required tools and tackles (like as Chain Pully, Saal Bally, Caning wire etc.) incl. placing in position, necessary packing with plastic sheet & mending good the damages to floor.

SUB-HEAD II: Supply and Fixing of MCCB and accessories in Sub Station main LT Panel:- Outgoing:- Supply and fixing 800 Amp 4pole MCCB (Ics=100%,Icu=50kA,415V AC,50Hz) with adjustable(320A to 800A) built in LSING,microprocessor based trip unit,1no Auxiliary contact of 1N/O & 1N/C,shunt release,spreader link on both side with phase barrier,Extended rotary handle etc in the vacant chamber of existing Substation Main LT Panel complete with modification of door of the quibicle as required --1Set. (Make Legrand/LK cat no-- CM96111OOOOX1 /Siemens) CTs of ratio 800 / 5 Amps (Make Kappa)…….3 nos

BUS BARS:- Supply and Fixing TPN tinned copper (Electrolytic grade from Hindalco.) bus bars of minimum of 1000 Amps, capacity with heat srinkable coloured sleeves and i/c DMC/SMC bus bar supports & their spacing etc. for withstanding fault level of 50KA for 1 sec. including necssary connection with existing main busbar of the panel including connection. Bus bars of same capacity for termination of at least 3 Nos 4 core 300 Sq. mm out going cables are also to be provided as required.

Multifunction meter with the following features:- Parameters a)V,A,F,kW,kVA,KVAr,KWh,KVAh,kVArh,PF,Runhr,Onhr,Interupts,Phase angle,THD,Nutral current,Max Demand (RTC) b) Events (High-Low) with time stamp, c) Individual Harmonics 31st d) MFM 5010 LED meter Cl 1 with RS- 485 (Make LK, cat no WL5010110000, 5010 series. Supply & fixing of 2A SP MCB seperatly for each Meter protection and indicating lamp protection as required (Make Legrand/LK/Siemens)

LED type indicating Lamp (Red/yellow/blue/orange/green/white)----as required for 3 phases for 1 no outgoing MCCB ; On, OFF, Trip indicator and spring charged indicator for 1 no outgoing MCCB. (Make Legrand/LK/Siemens)

Termination: all outgoing terminations are from the rear side of the panel.bi-metallica strip to be provided for all incomming&outgoing cu-Al joint. Cable alley:-cable alleys on both sides/back side (as per site requirements)for incomming and outgoings ACB/MCCB. Necy wiring in daisy chain for communication port of all meters to be done by 3core 1.5sqmm screen cable.S/F necy gateway with power supply and to be terminated on suitable socket that can be plugged in front side of panel.This will be ready in all respect for connection to Mod Bus sub station automation system.

SUB-HEAD III: CABLING LT cable:-- (Supply & Delivery) Supplying and Delivery of single core 185 sqmm XLPE insulated unarmoured flexible Copper cable (Gloster/Havells/KEI /RR Kabel) as mentioned as per choice of EIC. From 1000 KVA Transformer to neutral earth bar.

Supplying and Delivery of 4 core 300 sqmm Al. armoured XLPE cable (Gloster/Havells/RR Kabel/KEI) A) additional 3 nos cable from 1000 KVA Tr to SS LT panel I/C -2 ); B)from LT panel of s/stn to Mechanised Laundry supply pt no 2.

Supplying and Delivery of 4 core 35 sqmm Al. armoured XLPE cable (Gloster/Havells/RR Kabel/KEI) from building Emergency panel to Sub Station Change over and TPN DB Note : Cables may be run single run/double run etc.and conforming to IS: 7098(Part-I):1988/1554(Part-I):1988/ 5831:1984/ 3961(Part-I):1967/ 3975:1970/ 10810:1984 / 3975:1970 /8130:1984/ 3961:1967/ 10418:1982 / 10810:1984 as amended upto date, in respect of component materials and tests. Material Test certificate of all size of cable to be submitted to dpt. (Make of the Cable Gloster/Havells/RR Kabel)

Supplying and Delivery of 7core 2.5 sqmm industrial flexible control cable with copper condoctor (from transformer to HT panel) (Gloster/Havells/RR Kabel/KEI)

Laying of cables:- Laying through Underground Trech :- Laying of one No. cable above 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed (vide page no F-2 item no 1(c))

Laying of three cables above 185 sqmm in an underground trench in single tier formation (horizontal) the trench size : 915 mm x 760 mm average depth with brick protection on the top of each cable with 8 nos. bricks per Mtr. and 4 nos. bricks per mtr. as separator between every two cables including filling the space between the bricks and cables and also the trench with shifted soil, levelling up and restoring surface duly rammed (Vide page no,F-2 Item no 2c)

Laying through masonary trench:- Laying of one cable above 150 sqmm and upto 300 sqmm through existing covered masonry trench incl. taking out RC covers, setting them in order, mending good the damages filling the trench with fine dry sand incl. supplying sand (vide page no F-3 item no 4(b))

Laying on wall with GI saddle:- Laying of cable from 3/3½ core 35 sqmm to 50 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 through RCC/Hume/GI Pipe Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/ Hume/GI Pipe/open masonary trench for single, 2, 3, 3½ and 4 core

Laying only Cable upto 50 sqmm through existing RCC/Hume/ GI Pipe/open masonary trench for single, 2, 3, 3½ & 4 core

Laying of 7 core 2.5 Sqmm control cable through masonary trench as required.

Cable Gland:- 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 : vide page no F-4 item no 7 a. Single core 185 sqmm

b. 4 core 300 sqmm

c. 4 core 35 sqmm

d. 7 core 2.5 Sqmm

Finshing:- 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 (: vide page on F-5 item no 8b) a. Single core 185 sqmm copper socket

b. 4core 300 sqmm

c. 4 core 35 sqmm

d. 7 core 2.5 Sqmm copper socket

SUB-HEAD IV: EARTHING Excavation of soil for installation of Earth Electrode and filling & ramming as to GS. For soft soil Vide page no G 1 Item no 1.a.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 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 as required as per GS Vide page no G 1 Item no 2.e (For LA of 1000 KVA TR if required).

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 Vide page no G 2 Item no 4.d

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. as to GS. Vide page no G 3 Item no 5.e.

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 as to GS. Vide page no G 2 Item no 3.a

Extra for treatment of soil by using salt & charcoal or coke for plate/pipe electrode as to GS. Vide page no G 2 Item no 3.b Note: All bolts/washers/nuts etc must be are of Stainless steel type and washers must be spring type & Joints must be painted with anti corrossive paint.

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required vide page no F-6 item no 11 a. 100 mm dia.

b. 80 mm dia.

Cutting RCC road at adepth of 150 mm with co's own tools and tackles and placing 50 mm dia GI pipe incl S & D GI pipe for protection and mending good the damages as per previous condition.

SUB-HEAD V:Metering and Breaker Switches at Mechanised Laundry Shed Supply point no 1 &2 SITC of cubicle type LT panel suitable for 415V,3ph,50Hz AC supply system fabricated in compartmentalized (preferably) designed from CRCA sheet of 2mm thick for frame work and 3mm thick for gland plates i/c cleaning & finishing complete with 7tank process for powder coating in approved shade,having 3Ph& Neutral,50kA for 1sec, 1000 Amps capacity extensible type TPN tinned copper (Electrolytic grade from Hindalco) of high conductivity,DMC/SMC bus bar, DMC/SMC bus bar support, bottom base channel of MS section not less than 100mmX50mmX5mm thick,fabrication shall be done in transportable sections,entire panel shall have a common GI/Copper earth bar of size 50mmX6mm at the rear with 2nos earth stud,solid connections from main bus bar to switch gears with reqd. size of Copper bus bars and control wiring with.not less than 1.5 sqmm PVC insulated,FRLS,copper conductor S/C cable,cable alleyes,cable gland plate in two half ,i/c providing following switch gears:

Incoming 800 Amp 4pole MCCB (Ics=100%,Icu=50kA,415V AC,50Hz) with adjustable(320A to 800A) built in LSING,microprocessor based trip unit,1no Auxiliary contact of 1N/O & 1N/C,shunt release,spreader link on both side with phase barrier,Extended rotary handle etc --1no (Make LK CM96111OOOOX1/equivalent of Legrand/Siemens)--1 Set Busbar Chamber Busbar Chamber with 4 bar copper busbar at least 1 mtr long, 1000 Amps capacity extensible type tinned copper of size 80mm X 10mm (Electrolytic grade from Hindalco) of high conductivity Indicating lamps as required (make--LK/Legrand/Seimens)

Outgoing: 400 Amp 4pole MCCB (Ics=100%,Icu=50kA,415V AC,50Hz) with adjustable(160A to 400A) built in LSING,microprocessor based trip unit,1no Auxiliary contact of 1N/O & 1N/C,shunt release,spreader link on both side with phase barrier,Extended rotary handle etc (Make LK cat no CM93004OOOOX1/ equivalent of Legrand/Siemens)--3 Set ( 2nos. for laundry and 1 no for future provision) 2A SP MCB for indication and metering circuit protection as required. Indicating lamps as required ( R,Y,B, for Incoming and ON, OFF, Trip for all MCCBs).

Termination: all outgoing terminations are from the top/ side of the panel.bi-metallica strip to be provided for all incomming&outgoing cu-Al joint. Cable alley:-cable alleys on side/ top (as per site requirements)for incomming and outgoings. (Test at works: All routine tests shall be carried out and test certificates produced to the Dpt. Test at site: All wiring,checking up of connections,relay adjustment/setting shall be done before commissioning in addition to the routine megger tests,operational checks and lubrication of all moving parts,interlock function checks,continuty checks of wiring,fuses etc. as required,Insulation test,Trip test and protection gear test.All test certificates produced to the dpt.All relevant drawing & technical specification must be approved prior to manufacture as per direction of EIC). Panel must be manufactured according to IEC 61439,62262 & 61641 complaint designed by totally type tested CPRI/ERDA approved LT panel builder.

Providing Extension Bus bar of suitable size tinned copper for termination of additional 3 nos 4 core 300 Sqmm cable ( 3 nos existing cable) in existing 1600 Amp MCCB of Sub station Main LT panel including dismantling and refixing of accessories as required complete.

Supply & errection of special type Pilfer proof net guard of giving deep fabrication to suitable M.S. angle, flats and M.S. angle welded suitably for fixing on Floor covering the existing cubical panel, should be sterdely and electrically welded in a measurement of front side of the panel board should be covered by 2 Nos. door palla made of 25mmX 5mm flat (column & vertical) and guard structure should be made of 35X35X5mm angle left & right side of the box will also be covered by M.S. grill with help of angle and flat to cover up fabrication will be complete in a compact position finally athe protection should be painted with moisture proof red oxide primer and approved paint.

Testing & commissioning of total system comprising of different sub-station equipments (HT gear,Transformer ,VCB,MCCB,LT panel etc.) including all protective devices and relays with overload and earth fault condition at site by co's own testing equipments and tools & plants by authorized firm of directorate of electricity,Govt of WB and submitting the test reports to DOE. fianlly charging & commissioning the entire system (Up to the level of stability of whole system) (level of stability will be under direction of EIC) after obtaining approval of Directorate of Electricity.

Supplying and fixing 415V, 125A TPN on load front operated Changeover switch with Sheet Steel enclosure on iron legs on wall with fastener bolts nuts etc incl earthing attachment and connection. ( Make: LK/ Siemens/ Schneider)

Supply & delivery of C5 Compact Thermal Camera Description: Accuracy At ambient temp. 15 to 35°C (59 to 95°F) and object temp. above 0°C (32°F), 0 to 100°C (32 to 212°F): ±3°C (±5.5°F), 100 to 400°C (212 to 752°F): ±3% Digital Camera 5 MP Image Modes Infrared image, Visual image, MSX (Embossed visual details on thermal image), Picture-in-picture (IR area on visual image) Storage Media Internal memory and onboard FLIR Ignite cloud connectivity (with Wi-Fi)

IMAGING & OPTICAL Color Palettes Iron, Gray, Rainbow, Arctic, Lava, Rainbow HC Digital Camera 5 MP FLIR Screen-EST Mode No Focus Focus free Gallery Thumbnails and custom folder structure Image Frequency 8.7 Hz Image Modes Infrared image, Visual image, MSX (Embossed visual details on thermal image), Picture-in-picture (IR area on visual image) Minimum Focus Distance Thermal: 0.1 m (3.94 in), MSX: 0.3 m (11.8 in) Spectral Range 8 to 14 µm MEASUREMENT & ANALYSIS Accuracy At ambient temp. 15 to 35°C (59 to 95°F) and object temp. above 0°C (32°F), 0 to 100°C (32 to 212°F): ±3°C (±5.5°F), 100 to 400°C (212 to 752°F): ±3%

Camera size (L x W x H) 138 x 84 x 24 mm (5.4 x 3.3 x 0.94 in) Measurements correction Emissivity; matt/semi-matt/semi-gloss + custom value, Reflected apparent temperature, Atmospheric compensation Object Temperature Range -20 to 400°C (-4 to 752°F) Thermal Sensitivity <70 mK USER INTERFACE Touchscreen Capacitive touch POWER Battery operating time 4 hours Battery type Rechargeable built-in Lithium ion battery Charging system USB-C (1 A) Charging Time 2 hours External Power Operation 5 V, USB-C ENVIRONMENTAL & CERTIFICATIONS Drop test 2 m (6.6 ft) Encapsulation Camera housing and lens: IP54 (IEC 60529) Operating Temperature Range -10 to 50°C (14 to 122°F) Storage Temperature Range -40 to 70°C (-40 to 158°F) Tripod Mounting UNC ¼"-20 (built-in)

Special Terms and Conditions 1 All the issues related to the safety of the staffs should be taken care by the agency itself. 2. TC & WC of Items must be submitted to the department before commencement of work.3. LT panel inspection, tests must be carried out in the manufacturers place in presence of the Engineers of department and all the expenses to be beared by agency. 4. before commencement of work agency must take the approval of makelist of items from department) (Defect Libilities period for 01 year from the date of completion of work)

(Rate should be quotated including all taxes and duties, GST and considering the value of less cost materials.)

M/S. N.C. HORE (BID ID -5926378)

CHAKRABORTY ENTERPRISE (BID ID -5943756)