WBPWD/SEWEC /HED /NIQ-97/2024-25

Amount

SUB HEAD - 1 : SITC OF DISTRIBUTION TRANSFORMER : Supply and delivery of 1000 kVA 3 phase, 50 Hz, 11 kV/ 433 V Indoor type, core type Cast Resin (CR), 3-Phase Copper wound, air cooled dry type Distribution Transformer as per Specification (Make - ABB / Crompton /Voltamp (baroda)/Kirloskar/Raychem/Schneider/ BHEL) below : Technical Specification : Three-phase Cast Resin dry type indoor Transformer Voltage supply : HT-11 kV/ LT - 433 V, Vector group - Dyn11, with Neutral terminal , Rated Power - 1000 kVA, Cooling Type - AN cooling with temp rise limited to 90 Deg having HV & LV coil seperately casted in the resin moulds , Insulation Class - class'F" insulation as per IEC 60076 / IS 11171 & IS 2026 Part 1977, Fire behavior class F1 as defined in IEC 60076-11. Tap changer : Off circuit tap @2.5%, +5% to -5%. ( Make : Voltamp /ABB / BHEL/Kirloskar/ Cromton Greaves/Pascal ) Technical Specification : Cooling AN ; Rated frequency 50 Hz; Rated primary voltage 11 kV ;Rated primary insulation level 12 kV ;Basic Impulse Level (BIL) 75 kVp & 28KVrms. ;Off-circuit tapping @ 2.5%,+5% to -5% ; Secondary voltage at no load between phases 433V ; % Regulation at full load - At Unity P.F - 1.09 & At 0.8 P.F. - 4.48 . Efficiency - 98.98 % at full load at 75 Deg Celcius & Unity Power. Vector group Dyn11 . Neutral CT - 1000-500 /1 A , Class - 5P20, For Transformer SEF protection . Note : Specification sheet attached .

SUB HEAD - 2 : SITC OF HT SWITCH GEAR Supply, Installation, testing & commissioning of 11 kV, 800 A, short-circuit capacity of 26.3 kA for 3 sec, 3-panel HT Gear with VCBs as per Specification below:- The Vacuum Circuit Breaker should comply as per IS:13118 & IEC:62271-100 for Circuit Breaker & IS:3427 & IEC:62271-200/IEC 694, IEC-61850 for Indoor panel. PANEL: The HT panel is rated at 11 KV, 3-Phase 800A, Breaking Current/short-circuit capacity of 26.3kA for 3 sec, 50 c/s and shall be of floor-mounting, sheet steel clad, free-standing metal enclosed air insulated switchgear cubicle with VCB inside. (Make - Siemens/ ABB/ Schneider Electric/CROMTON GREAVES/L & T/Pascal.) Note : Specification Sheet attached.

SUB HEAD - 3 : SIT of LTPANEL Supply, Delivery at site and installation of L.T. cubical type Indoor, single tier, fully compartmentalized, free standing, floor mounted distribution panel board, having rigid and self supporting structure fabricated with 14 SWG CRCA sheet with M.S. angle iron frame (main frame with 50 x 50 x 6 mm angle and each compartment with 40 x 40 x 6 mm angle iron), the base of panel being made with 80mm x 40mm x 4 mm M.S. channel. Each compartment should be provided with hylam board at back side.

Incomer : 415 V, 1600 A, 4pole, 50 kA, Mechanical Draw out type Microprocessor Based Air Circuit Breaker (Make - Siemens/ ABB/ Schneider Electric/CROMTON GREAVES/L & T.) --- 2 Nos .

Buscoupler : 415V, 1600 A, 4 pole, 50 kA, Mechanical Draw out type Microprocessor Based Air Circuit Breaker - 1. Nos .

Bus Bar Section : a) 500V,2500 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar Copper bus bar [size of flat 4 x(5x80 mm x 5 mm ] mounted on non-hygroscopic porcelain insulator / hylam 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 our PVC tapes ( Red , yellow , blue & black) for phases & neutral identification - 1 Set.

Outgoing Arrangement : a) 415V, 800A, 4pole, 50 kA, Mechanical Draw out type Microprocessor Based Air Circuit Breaker - 4 Nos . b)415V, 630A ,4pole MCCB with operating handle. (Make–L&T ,Cat No - CM94106OOT1OG ,DN3-630D/ Siemens) - 2 No.

SUB HEAD - 3: CABLE CONNECTION FROM HT GEAR TO TRANSFORMERS Supply & laying of 11 kV Grade 3 Core 300 mm² XLPE Ar./ Al. Cable(A2XCEFY) through masonary trench from H.T. switchgear to switchgear and switchgear to Transformer Primary and mending good the damages to original finish.(Make-NICCO/GLOSTER/HAVELLS/KEI)

Supply & laying of 1.1 kV Grade 3.5 Core 400 mm² XLPE Ar./Al Cable(A2XFY/A2XWY) through masonary trench from Transformer Secondary to LT Panel and mending good the damages to original finish.(Make-GLOSTER/KEI) [ For Tranformer LT side to LT pnl connection & 500 kVA DG connection beside CCB building ]

Supply & laying of 1.1KV Grade 120 mm² PVC UnAr. Single Core PVC insulated & unsheathed Cu. cable (2XY) from Transformer Neutral to Neutral Earth Bus Bar(Make-NICCO/GLOSTER/HAVELLS/KEI)

Making of heat shrinkable joints to the ends of 12 kV Grade 3 Core 300sqmm, XLPE HT cable at the transformer end as well as at the VCB ends supplying with necy. Heat Shrink jointing kits, sockets, sleeves, anti-corrossive paste, wires, solders, jointing compounds, rubber sheets etc. including supplying of necy. tools & tackeles for crimping the end sockets, soldering irons & making of glands at the both end of the cable as per directions of EIC.

Finishing end of Single Core 120 mm² PVC UnAr. Cu. cable by crimping method/soldering incl. S&F solderless Copper socket (Dowells), tapes, anti-corrosive paste etc. as per GS.

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of 3.5 Core 400 mm² armoured Al. cables as per G.S.

Finishing end of 3.5 Core 400 mm² XLPE Ar.Al. cable by crimping method incl. S&F solderless Copper socket (Dowells), tapes, anti-corrosive paste etc. as per G.S.

S & Drawing 1.1kV Grade, 4 Core, 2.5mm² PVC/UnAr Cu cable (FR grade) from Transformer's WTI relay to VCB WT relay for power and control supply for the protection of transformer..(Make-NICCO/GLOSTER/HAVELLS/KEI)

S & Drawing 1.1kV Grade, 2 Core, 2.5mm² PVC/UnAr Cu cable (FR grade) for External power supply to the Transformer and 3panel VCB unit..(Make-NICCO/GLOSTER/HAVELLS/KEI)

Finishing the end of 4 Core, 2.5mm² PVC/UnAr Cu cable( F-5,D-ii)

Finishing the end of 2 Core, 2.5mm² PVC/UnAr Cu cable( F-5,D-i)

SUB HEAD - 4 : EARTHING FOR TRANSFORMER NEUTRAL AND EQUIPMENT BODY GROUNDING Earthing: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 including necessary Excavation of soil(soft) for installation of Earth Electrode and filling & ramming.

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

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

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.

S & F 65mm X8mm GI flat on resin cast moulded insulator on wall having clearance of 50mm from wall as system earth bus with holes for connection by supply & providing necessary hardware materials as required.

Supply and providing 1.1kV grade, PVC Heat shrinkable sleeves for insulating each system Bus.

Safety Equipement -Supply & Fixing 6Kg capacity CO2 type Fire Extinguisher as per IS:15683:2006 (Make: Fireshield) on wall with necessary MS Bracket incl. mending good the damages

Supply & Installation of Fire Bucket with wall mounting bracket made of GI sheet as per direction of EIC.

Supply & Fixing Shock Treatment Chart on wall with necessary screws

Supply & Fixing E.I. Danger Board for 11KV as per rule with necessary screws

Supply & delivery of 11 kV grade Hand gloves

Supply & delivery of 11 kV grade KOOL COAT(Arc Flash Suit) for safEty purpose during HT BREAKER operation, Energy density - 42 Calories./square centimetre.

Supply & laying of 6' x 3' x ¼" rubber mat (ISI Marked) for 11 kV as per rule and as per direction of E.I.C.

Supply & Installation of standard First Aid Box as per direction of EIC.

SUB HEAD - 5 : CABLE LAYING FROM SUBSTATION TO CCB BUILDING & 500 kVA DG CONNECTION Supply & laying of 1.1 kV Grade 3.5 Core 300 mm² XLPE Ar./Al Cable(A2XWY/A2XFY) through masonary trench from Transformer Secondary to LT Panel and mending good the damages to original finish..(Make-KEI/RR/POLY CAB/Gloster)

Laying of 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

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 : 300 Sqmm. [F-5,8a-xxiii]

S & F compression brass cable gland with finishing the ends of the following cable by crimping method as per G.S. -- 4 core 300 Sq. mm. [F-4,7C]

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required.

a) 100 mm dia.(For road crossing) [F-6,11g]

SUB HEAD - 6 : Dismentling of existing 3 panel HT Switch Gear 2 nos 500 kVA 11/0.415 kV Transformers and cables . Dismentling shifting carrying charges for existing 2 nos 500 kVA transformr(1no dry ,1 no oil type) & one set of 3 panel 11 kV HT Gear from Substation to suitable site site in the premises of Hospital with out damaging the equipments

Hiring charges of JCB/Hydra as per site requirement.

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.

Dismantling the existing 11KV 800A HT 3 panel part by part for proper shifting the same to avoid any damages after disonnection and removing the existing 2 Nos 11KV HT cable, dismantling the existing HT buses from busbar chamber, disconnection the existing different control cables beetween the 3 nos HT panel from old sub-station and re-assembling the same as per direction of EIC .

Dismantling and shifting without damaging(within the imambara hospital premises as per EIC) one no 500 kVA Dry type Transformer Dyn11, 11/0.415kV rating.

Dismantling and shifting without damaging(within the imambara hospital premises as per EIC) one no 500 kVA Oil type Transformer Dyn11, 11/0.415kV rating.

Dismantling and shifting without damaging(within the imambara hospital premises as per EIC) existing 11kV Grade , 1.1kV grade different size ( 300/400/150)sq.mm cable .

Disconnection and dismantling the existing HT & LT cables from one no 500 kVA oil type & one no 500 kVA dry old transformer at old sub-station building for shifting the same as per direction of EIC.

SUB HEAD - 7 : E.I WORK FOR SUBSTATION Supplying and fixing double door Horizontal TPN MCB 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 suitable size of copper wire and neutral link & provision for earthing attachment. 6 way - Legrand Enclosure (607716)/SIEMENS- Enclosure (8GB32202RC06) [D-10,14]

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS. 2+12 Way [Siemens Enclosure(8GB32102RC14)/Schneider Enclosure (A9HSND12) or equivalent model of Legrand) as per direction of EIC [D-10,13]

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection as perGS [Make-Legrand/ Schneider/Siemens/ Crabtree/ L&T) as per direction of EIC. ] 63 A FP [D-5,6]

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connectionas per GS [Make-Legrand/ Schneider/Siemens/Crabtree/L&T) as per direction of EIC. ] 6-32 SP [ D- 6, 7 ]

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), 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 fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish.(Avg run : 8 Mtr)

Suppy of twin fittings [Philips make Cat No. TMC-501 P2xT-LED 22W P3242 or equivalent make CG[W865 T8 AP I/LTT8-20 ] as approved by E.I.C incl. 2 nos. 20W Master LED Tube [Make- Philips /Suriya/CG as approved by E.I.C](With 3 Years Warenty)

Fixing only single/twin fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports fixed with “L” type MS clamp whose one side fixed on ceiling with sutable size 4 nos. fastener and other side connected with the conduit with suitable size of bolts and nuts incl. S&F EI conduit, “L” type (125mmx125mm) 6mm thick and 25mm with MS clamps and connecting the length of PVC insulated wire and mending good damages to original finish and painting etc. by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length. [ C-2, 17 ]

Supplying & Fixing MS fan clam of two piece type for RC ceiling as per approved specification, fabricated from 40 mm x 9 mm MS flat including making good damages to building roof with satisfactory finishing and painting – (As per Drawing no. 475 of PWD Specification Book – May 1991)

S & D 1200 mm sweep ,230V, 50Hz, A.C. Ceiling fan with down rod, canopy, blades, ( Make-Crompton- HS + /Orient- New Breeze/summer king XL). (With 3 years Warenty)

Fixing only ceiling fan complete with blades, canopy, fork, rubber bush etc. incl. S&F connecting wire for down rod upto 30 cm incl. painting the rod with approved paint and making necessary connection as required by 2x1.5 sqmm flexible copper wire.

S & F 300 mm.dia heavy duty exhaust fan with louver shutter ( Make- EPC) with Timmer after cutting wall and mending good the damages as to G.S.

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes flushed in wall by housing the same after cutting brick wall incl. making earthing attachment, painting and mending good damages to building works.

i) 100 mm x 100 mm x 65 mm

ii) 150 mm x 100 mm x 65 mm

iii) 175 mm x 100 mm x 65 mm

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm 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.

Supply & Fixing 240 V, 3 nos. 20A plug socket with separate 3 nos. 20A Piano key type switch, indicator & 16A kit-kat flush type fuse (Brand approved by EIC) 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 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required [E-14,1a-ii,iii]

2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC [E-14,1a-ii]

2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC

2 x 84/0.3 (10 sqmm) + 1 x 56/0.3 (6 sqmm) ECC [E-14,1a-iii]

Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mending good damages to building works. [E-16,7b] 25 mm

Finishing the end of following PVC / copper wires by crimping method as per G.S.

a) 4×10 Sq.mm. +2×4 Sq.mm.

c) 2x 6.0 sqmm +1x4.0 sqmm .

c) 2x 2.5sqmm +1x1.5sqmm .

SUB HEAD - 8 : Hiring of DG Set during dismantling of 11 kV Gear, 500 kVA Transformers & installtion of higher rated new HT gear & Transformer. Hiring charges of 320 kVA sound proof DG set fitted with suitable capable truck.

Carriage of above DG set up and down from kolkata work shop to Imambara District Hospital work site.

Supply of HSD diesel for opearation of above DG set.

Hiring charges of 4 Nos 90 sqmm/120sqmm (suitable for 320KVA DG ) PVC insulated copper cable including temporary laying and dismantling the same after completion of work.

SUB HEAD - 9 : Supply & laying MS Checker plate and tit-bit Civil Work for cover the masonary trench inside the substation S&F MS cheker plate of 6mm thick after cutting and sizing by LPG industrial gas & gascutter and also providing arrangement of lifting the cheker plate by means of suitable sizes half round cutting hole incl. S&F necessary angle iron supports by 35x35x5mm angle on trench as required as per direction of EIC.

Making groove over cable trench after neessary cutting by santras having size 100mm X 10mm on all sides by cement concrete (4:2:1) complete with neat cemented plaster for installation of MS checker plate as per direction of EIC.

Transportation charges of cutting machine, welding machine and all other tools & tackless by suitable truck incluidng loading and unloading from manufacturer work shop to work site and return back after completion of installation of cheker plate work as per direction of EIC.

Supply and Fixing 100mm - 45mm 6mm C type MS channel for Transformer base support.

Civil work- Labour cost for brick wall breaking for widening the door for inserting the 1000 kVA transformer after dismantling the existing shutter.

Brick work with 1st class bricks in cement etc.etc. In foundation & plinth(4:1)

Plaster(to wall, Floor, ceiling etc.etc.)with sand etc.etc. with 4:1 cement plaster & 20 mm thick plaster

Neat Cement punning about 1.50 mm etc.etc.

Dismantling and refixing without damaging existing shutter door for Transformer Rooms and HT gear Room

PARTHA SARKAR (BID ID -6295153)

RASH ELECTRICAL WORKS (BID ID -6301457)

JAYBEECO (BID ID -6301374)