WBPWD/SE/SWEC/NIQ08/2023-24

Amount

Supply & Delivery of 3 Phase,50Hz, Delta / Star,250 KVA, 11KV/415V, Cast Resin, dry type,copper wound , Transformer suitable for indoor installation having the following specification as per IS 11171-1985 & IS - 2026 with latest modification (if any) & CBIP Specification [ Make: ABB/Voltamp ( Varoda)/CGL/Energypac].

Links / Tapings :Off circuit Links, tapping range +5% to -5%, in steps of 2.5% Tap position. Cooling : Air Natural (AN),Painting : Epoxy based (as per IS - 5 /RAL7032),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 material. 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 below : Maximun loosses at 50% loading : as per ECBC. Maximun loosses at 100% loading : as per ECBC.Transformer losses shall be guaranteed on maximum basis i.e. without any positive tolerance.Efficiency (Minimum) : % efficiency at 75 deg C/ unity P.F.a) At 100 % load : 98.56Impedance : 4.5% (Allowable tolerance as per IS)

% Regulation : a) At 100% load with Unity PF : 1.22 b) At 100% load with 0.8 PF : 3.53 Testing : All Routine tests as per relevant IS have to be conducted at manufacturer’s works. Terminal arrangement : HV : HV cable box assembly with copper flat & support insulator. LV : LV cable box assembly with copper flat & support insulator.

The Transformer will be of Environmental Class E2 (Minimum), Climatic Class C2 as defined IEC 60076, Fire Behavior Class F1 as defined in IEC 60076-11. All the above i.e. Environmental Class, Climatic Class & Fire Behavior Class must be indicated in rating plate.

Enclosure : Sheet steel with protection class IP-44, painting should be eposy / as per latest standard.Basic level Insulation for HV : 75 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.

Testing : All Routine Tests as per relevant IS will be conducted at manufacturer's works.

Installation, Testing & commissioning of above11 KV/ 415 volt, 250 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.

Thorough servicing of Existing VCB with all mechanical parts , step by step with necessary testing of each part for it's proper functioning of VCB & testing & checking of vaccum chamber & it's other parts like different relays, CT, PT, announciater, different types of LED as per colour exists ( replacement if not working ) Internal Wiring cheaking & replacement as per necessary & Voltmeter & Ammeter cheaking for it's proper functioning & TNC switch mechnism ( replacement if not working properly) ; including testing of each part if not working properlywith as per ratingn necessary of tools & tackles & skilled manpower with a third part supervision as per necessary such that, Breaker will operate as healthy condition.

supply and delivery of 1.1 KV Aluminium armoured LT cable as following:-( Make:- Havells/polycab/RR kable/Gloster) Dec, 2022

4 core 185 sqmm Aluminium armoured cable. [ SS main panel to Work shop Sub Panel ]

4 core 95 sqmm Aluminium armoured cable. [Carpentry Shop Sub panel ]

4 core 50 sqmm Aluminium armoured cable. [ For Admn building ]

2 core 10 sqmm Aluminium armoured cable. [ For Sign Board ]

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

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 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

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 185 sqmm

4 core 95 sqmm

4 core 50 sqmm

2 core 10 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 185 sqmm

4 core 95 sqmm

4 core 50 sqmm

2 core 10 sqmm

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required 65 mm

Repair of existing installation at different work shop & class room :-

Supplying and fixing 415V, TPN SFU open execution in existing SS enclosure/cubical with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating (Workshop different portion)after dismantling old/ damaged one with reconnection by new one . (Make:- L&T/Seimence/Havells/ABB)

32 Amp (Replacement of damaged Switch at SS LT Panel )

63 Amp( Replacement of damaged Switch at SS LT panel )

Supplying and fixing Sheet steel 415V/240V , Mainswitch with fuse Rewirable type on flat iron frame on wall/ Ms frame after dismantling of existing Damaged one.( workshop different portion) ( Make:L&T/Seimence/Havells))

32 A TPN with fuses

240V DP with fuse on L&N 32 A

Supplying and fixing 415V, TPN SFU with sheet steel enclosure on angle iron frame on wall with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating. after overhauling of existing damaged one & connection with existing cable as per existing. ( Different position of wotrkshop) (Make: Legrand/Seimence/ L&T)

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 185 sqmm

4 core 95 sqmm

4 core 50 sqmm

4 core 35 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 185 sqmm

4 core 95 sqmm

4 core 50 sqmm

4 core 35 sqmm

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 withsuitable size of copper wire and neutral link & provision for earthing attachment. ( Workshop panel convert into VTPN ) upto 160 Amp 8 way Enclosure Enclosure (Make: Legrand/Schneider/ L&T)

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C haracteristics on din rail of existing DBs and necessary connection (Make: Legrand/Seimence/ L&T)

Supplying and fixing 415V, FP MCCB as incomer of braking capacity 25/35KA with necessary connection as per GS 160 Amp (Make: Legrand/Schneider/Hagger)

Cutting channel of 40 mm x 40 mm size on masonry wall incl. S&F heavy gauge polythene pipe dia as stated below, by means of iron hooks and supplying and drawing 18 SWG GI Wire as fish wire incl. mending good damages to building works 19 mm dia 3 mm thick polythene pipe with 1x14 SWG GI earth continuity wire

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required 3x56/0.3 (4 sqmm) + 2x36/0.3 (2.5 sqmm) as ECC

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes

Supply & Fixing 240 V 6 A Piano key type switch (Brand approved by EIC) on existing sheet metal switch board having bakelite/perspex top cover by screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Supply & Fixing 240 V, 6A plug socket (Brand approved by EIC), without switch & plug top, on existing sheet metal switch board with bakelite/perspex top cover by screws after making housing for plug by cutting bakelite/perspex top cover and making necy. connections with PVC wire and earth continuity wire etc.

Supply & Fixing 240 V 16/20 A Piano key type switch (Brand approved by EIC) on existing sheet metal switch board having bakelite/perspex top cover by screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required. ( Incl. Group control switch )

Supply & Fixing 240 V, 20 A plug socket (Brand approved by EIC), without plug top and switch, on existing sheet metal switch board with bakelite/perspex top cover by screws after making housing for combined plug switch by cutting bakelite/perspex top cover and making necy. connections with PVC wire and earth continuity wire etc

Supply & Fixing Socket type fan regulator (Step type) (Brand approved by EIC) on existing sheet metal switch board with bakelite/perspex top cover by screw after making housing for regulator knob by cutting bakelite/perspex top cover incl. making necy. connections etc

Supplying & Fixing 240 V AC/DC superior type Ding-Dong Call Bell (Anchor) on HW board incl. S&F HW board

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.(make: ISI- medium)

Excavation of soil for installation of Earth Electrode and filling & ramming.(for morrum)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 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

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation, per storey of building per vertical run

Supply & fixing of outdoor light fittings with aerodynamic design for all weather conditions with excellent thermal management , made with pressure die cast housing with toughned glass & high power LED with IP 66 protection . (Make: Crompton TRP-409-60-57-SL-GL-NSG/ Philips BRP062 LED 65 CW SLA 1PSU/ Havells)

Repairing of existing Glow sign board (16 ftx3 ftx6 inch ) after overhauling of damaged fittings by S & F of 12 ( twelve) nos 4 feet 20 watt LED Batten ( Make: Philips BN170C LED20S-6500 PSU L120) 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 ( Rate of scaffholding including )

Supplying and Fixing( sintex make) water proof looping cable box (8"X6"X4")having hinged door with rubber gasket lining, railway type mechanical locking arrangement, earthing terminal with lug etc. of the following sizes as indicated below, Comprising of one 250 V, 15 A Kit-Kat fuse unit, one NL on porcelain insulator etc. and housing the same in pole muffing incl. addition and alteration to the existing CC muffing (6:3:1) after dismantling the damaged looping cable box etc. where necy. incl. painting 200x150 mm

S& Installation of single phase Timer DB comrising of 2+10 way IP 43 SPMCBDB ( L&T cat no. LTSD12N) concealed in wall with 32 A DP MCB -1 No( L&T) with 1 no analog time switch cat no. ( make: [L&T cat no:AUTS03ANA00] ) , 32A Power contactor(L&T cat-MNX 32-2P,CS90241), 25 A MCB change over with led indicater two different colour with suitable interconnection.

Supply & delivery of single phase starter 230 v 1 Ph 3.0 HP 2.2 KW 12-20 Amp MF cat no. SS97227OOCO [Make: L&T MF1cat no. SS97227OOCO/Legrand/GE]

Supply & delivery of Direct on line starter 415 v 3 ph MF-1 7.5 HP 5.5 KW 9-14 Amp [Make: L&T MK1cat no. SS96210SOAO/Legrand/GE]

Fixing only starters (for motor control) on flat iron frame on wall Direct on Line starter for motor (upto 5 HP) On flat iron frame (for lower rating)

Fixing only starters (for motor control) on flat iron frame on wall Direct on Line starter for motor On flat iron frame (above 5 HP upto 15 HP)

SHATABDI ENGINEERING AND CONSULTANCY

SILICON SOFTWARE

RASH ELECTRICAL WORKS