SITC transformer HT Gear and allied EI works at Ranaghat SDH

Amount

Supply & Delivery Indoor-type, floor mounted,metal clad, single panel, fully compartmentalized,free standing, 11 kV VCB Panel with 1 Nos VCBs (1 Incomer ), totally enclosed and fully interlocked , horizontal drawout, horizontal / vertical isolation type breaker as per IS 13188, as ammended upto date and as per detail specification attached (uploaded in the specification section) , suitable for use on 11 KV, 3 Phase,50 Hz AC supply to energise 750 KVA Dry Type Transformers. [ Make : ABB / Siemens / CGL/Pascal ].

Installation & commissioning of the above 11 kV VCB Panel with P.T & all the accessories, incl. carriage, by placing in position, assembling, lining up, levelling and checking all instruments, relays, correctly set according to requirement.

upply & Delivery of Cast Resin Dry Type 11KV/415V 750 KVA, 3 Phase,50Hz, Dyn11,copper wound, Class F insulation associated with winding temperature indicator/controller,having cable end box in the HV & LV sides and all accessories and conforming to IS 11171-1985 & IS - 2026 with latest modification (if any) & CBIP Specification and as per detail specification attached (uploaded in the specification section) [ Make: ABB/Voltamp ( Vadodara)/CGL/Raychem ].

Installation & commissioning of 11 KV/ 415 volt, 750 KVA distribution transformer incl. carriage to the substation building within a lead of 30mtr by placing in position and fixing after leveling fitting all components, connecting, checking & set of all instrument, relays according to requirement as instructed by the EIC incl. S&F base channels etc.

SITC of floor mounted Indoor type extensible cubical MV switchboard,fabricated by CPRI approved panel maker having compartmentalized design, fabricated out of 14 SWG ( 2.0 mm ) nominal thickness CRCA sheet steel,front and back openable, hinged, single shuttered, with incoming ACBs & Outgoing main switch and all accessories as per size, design & drawing to be approved by EIC and conforming to IS with latest modification and as per detail specification attached (uploaded in the specification section) [LT MAIN PANEL IN THE SUBSTATION]

Supplying and laying of 1 No. 11KV UE Grade XLPE Aluminium conductor, PVC sheathed, armoured cable confirming to IS 7098, of earthed system of following size in the existing Masonary Open Duct as required.[ From Supplier HT Gear to Consumer HT Gear and to Transformer]. [ Make : Polycab / Gloster/ Havells ] a) 3 Core x 185 Sq.mm

Making heatshrinkable joints to the ends of the following XLPE HT cable at the transformer end as well as at the VCB ends supplying with necy. jointing kits, sockets, sleeves, anti-corrossive paste, wires, solders, jointing compounds, rubber sheets etc. incl. 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 a) 3 Core x 185 Sq.mm

Supplying and Laying of following size PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing Masonary Open Duct. [ From TR to main panel]. [ Make : Polycab / Gloster/ Havells ] a) 3.5 Core x 185 sq.mm (3 Nos. Cable Transformer to LT Panel )

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 1.1 KV Grade as required a) 3.5 Core x 185 sq.mm.

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

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level as below: By TATA-Medium GI pipe.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 no 50 mmx 6mm galvanised (Hot Dip) steel strip (4 mtr long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including fonishing at both ends by making hole etc and S & F 65 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground to an average depth of 3.65 Mts

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil

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 treatment of soil by using salt & charcoal for plate electrode as to G.S.

Supply & fixing earth busbar of galvanized (Hot dip) MS flat 50 mm x 6 mm on wall having clearence of 6 mm from wall incl. providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Insulating the 50 x 6 mm M.S. flat incl. S&F black heat shrink PVC sleeves etc. The PVC tube sleeve to be inserted on the GI flat and heat shrinked by heating apparatus by skilled technician carefully without damaging the PVC sleeve as per direction of the EIC (for transformer neutral earth bus bar).

S&Laying Single core 25 sq. mm. unsheathed FR PVC insulated cu.wire from TR.Neutral to neutral Basbar including. S&F of alu socket end finishing (2nos)

Connecting the equipments body to earth bus bar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor drilling holes, with nuts, bolts, washers etc.

Supplying of one number 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) conforming to IS: 7098 / 1988 with its latest amendment of following size. [ Make Polycab / Gloster/ Havells ] 3.5 Core 240 Sq. mm [ New LT Panel To Old LT Panel ]

4 Core 120 Sq. mm [ LT PANEL TO PSA Plant box ]

Laying of one No. cable above 35 sqmm and upto 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.

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.

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 including 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 3.5Core 240 Sq. mm

4Core120 Sq. mm

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 100mm dia

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 fixed on MS CRC sheet metal (16 SWG) switch board on wall complete with 2 no. “Ph & N” copper bar incl. bakelite/ Perspex top cover 3 mm thick and incl. 175x100x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish [only PVC Rigid Conduit on ceiling and remaining portion concealed] Av run 10mt. E-15, 5(e)

Distribution wiring in 1.1KV grade 2X1.5sq.mm. single core stranded "FR" PVC insulated & unsheathed copper wire (Approved make) in 20mm. Size PVC rigid conduit 'FR' (Precision make), with 1X1.5sq.mm. single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 5A, 3pin flush typr plug socket & piano key switch fixed on MS CRC sheet metal (16SWG) switch board cum JB on wall incl. bakelite top cover 3mm. thick and incl. painting the MS box and mending good the damages to original finish On Board E-15, 4(a)

Separate plug. (Average Run 7.5mt.) E-15, 4(a)

S/F of 240V, 3nos. 6A & 1no 20A plug socket with separate 3nos. 6A & 1no. 20A piano key type switch with indicator & 16A kit-kat fuse unit on sheet metal switch board embedded in wall incl. S/F of 240X200X65mm. MS (16SWG) switch board and bakelite top cover of 3mm. thick by brass screw and making necessary connection as required E-7, 25

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 150x 100x 65 mm MS (16SWG) switch board and bakelite /erspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/erspex cover and making necessary connections as required E-6 , 22

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall as per GS. 2+10Way[ Legrand ] [ 13 / D- 9 ]

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection as perGS [Make-Legrand ] 40 A DP [ 6 / D- 5 ]

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 ] 6-32 A SP [ 7 / D- 6]

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire of the following sizes in the prelaid polythene pipe as per GS. 2x(2.5sqmm)+1x(1.5 sqmm) (For Power plug & Computer Plug) [ 1(s) / E-9 ]

2x(6sqmm) +1x (4sqmm) (For SPNDB) [1(iv) / E 9]

Cutting Channel of size (31 mm x 31 mm)/(40 mm x 40 mm)/(43 mm x 43 mm) on masonry wall by Electric operated cutting machine incl. supplying & fixing heavy gauge 13/19/25 mm, 3 mm thick Polythene pipe by means of anchoring chemical (Hilti/Sika) and GI 'U' hooks of 8 SWG incl. supplying and drawing 18 SWG GI wire as Fish wire and mending good damages to original finish by using own tools and tackles as per GS. 19 mm dia 3 mm thick [ 6 (a)/ E- 3 ]

25 mm dia 3 mm thick [ 7 (b) / E- 3 ]

Supply of 4ft LED type single batten with end cap complete with all accessories [Philips make, Cat. No. TMC 501 P1 XT-LED2200 P 3241]. [NS]

S/F of 18W LED T-8 lamp (type - MAS LED tube STD 1200mm 15W840 T8 I) on fittings. N.S.

Supply 9W LED lamp to the lamp point. [PHILIPS make] N.S.

Fixing only single /twin fluorescent light fitting complete with all accessories directly on wall/ceiling/HW round block and suitable size of MS fastener C-2, 14(b)

Fixing only lamp [11/ C-2 ]

S/F of 250V, 400W step type (4 step) Electronic fan regulator (Anchor make) on bakelite sheet after cutting the board as per G.S. E6/18a

Fixing only ceiling fan complete with blades, canopy, fork, rubber bush etc as per GS [ 21 (a) / C-3 ]

Fixing only exhaust fan after making holes in wall as per GS (12") [ 28(b)/C-4 ]

Supply & Fixing louver shutter ( Aluminum)on wall with necy. bolts & nuts (6 mm dia x 62 mm long) as per GS (12") [ 32(a)/D-14 ]

Supply of ceiling fans complete with all accessories having the following Model / Cat No. ( Make -Crompton Greaves ) a. 1200 mm Sweep ( High Speed ) [ NS ]

Supply of Exhaust fans complete with all accessories having the following Model / Cat No. ( Make -EPC ) 12"( 300mm ) Speed 920 RPM

Hire charges for 1 No 250 KVA D.G. Set with allied 4core 185 sq.mm. PVC/A cable incl. earth wire on temporary hire due to emergency basis 4days.

Charges for Fuel (Diesel) for 1 Nos 250 KVA, for with loading and unloading charges.

M/S. B.C. SAHA

JAYBEECO