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| 1 | 250 KVA USS |
| 2 | OD53194/2026-2027:Supply, Conveyance, Installation, Testing and Commissioning of 250 KVA UnitisedSub Station comprising of HT Panel trunked with cast resin Transformer, with LoadBreak Switch on H T side as per technical detais furnished below.HT portion consists of 1 No. 630 A 350 MVA Air load Beak / Load Break switchsuitable for 3 phase 3 wire 50 Hz system with HT HRC fuses of appropriate ratingwith earth switch interlock with main swithch and mechanical ON/OFF indication.Shunt trip coil for the remote operation of the Load Break switch.250 KVA Tranformer.Technical specficationRating 250KVAType Cast-resin dry typeApplication Power distributionDuty IndoorStandard IS 11171(1985)Volt ratio HV/LV 11000/433 VConnection Delta/starNumber of phase 3Frequency 50 HzWinding material CopperVector Group Dyn 11Tap changer OFF loadTapping steps -5%to+5% in2.5%Tap switch Off circuit tapchanging links Insulation Class F/HCooling A NType of Installation Indoor\\"Temperature rise 90*C over anambient of 50*C\\"Impedence 4.5 %Enclosure Metal enclosure toprotection IP 21Painting finish Painted with syn:paint as per ISS Fitting and Accessories to be providedLifting lugs 2 NosMounting channel 1 setRating diagram plate 1 NoEarthing terminal 2 NosHV terminal box 1 NoLT terminal box 1 NoRTD temp: controller 1 NoTOD meter facilities (a) 5/5A ( or suggested by KSEB) 15 VA. 0.2s class accuracycast resin CTs (b) 3 phase 3 limb 11KV/110 V, 10 VA, 0.2s class accuracy cast resinPTs with protecive fuse (c) 1 No. TOD meter test terminal block and includingarrenging testing and installation of the same with KSEB test Division.Routine tests as per IS 11171 shall be done and the test certificate in originalshall be submitted while they are delivered. Load test as contemplated in Is shall becontected to the satisfatcion of the department. Arrengements for the test includingartificial load for the test shall be made available by the selected agency for which noadditional claim will be allowed. The Transformer shall be guaranteed for 12 monthsfrom the date of commissioning. |
| 3 | OD53195/2026-2027:Supply, nstallation, testing and commissioning of emergency isolationpush button mounted in standard I.P 65 weather proof break glass enclosure to isolatethe power supply to the building in case of emergency when the face glass is broken.The push button shall be connected to the trip coil of the 11 kV LB SFU using 1.5sq:mm 3 core copper cable. |
| 4 | OD53201/2026-2027:Supply installation testing and commissioning of TOD Meter, 3 Ph 4 Wire, 0.2SClass accuracy both for active and reractive power |
| 5 | OD53186/2026-2027:Supply,conveyance , installation, testing and commissioning of 80/5A , 15 VA, Cl . 5P10 protection type CT for low set earth fault protection wirh metalic enclosure |
| 6 | 90.14.1.1:Fabrication, supply, conveyance, installation testing and commissioning of floor or wall mounting, dust and vermin proof, cubicle type MV panel board comprising of the following components/ devices & complying to IS 8623.Fabrication of fully partitioned, dust and vermin proof enclosure for panel assembly as per form 4 of IS 8623 (with latest amendments) using CRCA sheet as per approved design and requirement, with front and rear access facility, bus bar chambers, hinged doors for all switch gear compartments, earthing the doors using 4 sq mm braided copper conductor, providing necessary cut-outs for mounting meters, relays, indication lamps, bus bar interconnection etc, detachable covers for bus bar chamber and cable alley, powder coating the assembly after subjecting to 7 tank process etc as required. CRCA sheet alone be used for the fabrication. Angles/ flats/ slotted angles etc shall not be used for the fabrication of panel assembly. The measurments will be taken the area of the complete sheets used for panel board including partitions, folding, shrouding etc.Supply and fabrication of MV panel board using 2.00mm CRCA sheet, powder coated (excluding base frame) |
| 7 | 90.14.2.2:Supply and providing 3mm SMC sheet as shrouding for bus interconnection / terminations etc. including required nut & bolt etc. |
| 8 | 90.14.3.2:Supply and providing heavy duty 'A' section neoprene gasket in the panel boardU' section rubber beeding suitable for 1.60/ 2.00 mm sheet |
| 9 | 90.14.4:Supply and fabrication conveyance and installation of base frame of panel board using 75 x 40 mm rolled steel channel (ISMC) |
| 10 | 90.14.5:Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board |
| 11 | 90.14.6:Supply and providing copper bus bars including finger type SMC bus bar supports in the bus chamber, suitable size nut & bolt, providng heat shrink sleeves etc. as required. |
| 12 | 90.14.7:Supply and providing copper earth bus in the panel board |
| 13 | OD53188/2026-2027:Carrying out control wiring for panel with normal meters and indication lamps alone with 650/1100 Vgrade PVC insulated stranded single core copper conductor cables conforming to IS 694 part I 1990 forinterconnecting the control devices/ equipments including providing suitable size insulated sockets at thetermination points or soldered properly, providing numbering ferrules for the proper identification of thewiring, keeping the wiring firm by suitable tie/ tie mounts/ PVC duct etc as required. 1.50 sq. mm singlerun with required socket1 12 |
| 14 | OD53190/2026-2027:Three phase multifunction meters to read V, A and F, accuracy class 1 |
| 15 | OD53189/2026-2027:LED indicators for all voltage ranges - Red, Green, Black, Yellow or Orange Colour |
| 16 | OD53203/2026-2027:Aluminium anodised Danger Notice Board of size 150 x 100 mm. with inscriptions ( both in English andMalayalam) and conventional Skull and Bone in Red colour.Aluminium anodised Danger Notice Board of size 150 x 100 mm. with inscriptions ( both in English andMalayalam) and conventional Skull and Bone in Red colour. |
| 17 | OD53196/2026-2027:20 A fuse holder for BS type blade fuses.3 |
| 18 | OD53193/2026-2027:2 A-16A clip-on offset tag fuse link of size f13 |
| 19 | OD53204/2026-2027:Aluminium anodised legend plate of size 40 x 20 mm. with inscription of EARTH.1 1 |
| 20 | OD53205/2026-2027:Supply and fixing MC 12 device in the main panel board |
| 21 | 90.14.11.3:MCCB AccessoriesSupply and fixing one number earth fault Relay up to 250A to 400A with CBCT. |
| 22 | 90.14.11.9:MCCB AccessoriesSupply and fixing auxiliary switch (1 NO + 1 NC) in the existing MCCB of rating up to 630 A. |
| 23 | 90.14.11.12:MCCB AccessoriesSupply and fixing shunt release for all voltage range up to 630A. |
| 24 | OD53192/2026-2027:Spreader/Terminal adapter Kit Extended terminal for 4 pole MCCB of rating upto630 A (8 pcs) cat no. CM92004OOOO / Equivalent make |
| 25 | 90.14.11.15:MCCB AccessoriesSupply and fixing rotary handle, External type (including BUC handle with door interlock ) in the existing MCCB of rating up to 315-630 A |
| 26 | 90.14.11.14:MCCB AccessoriesSupply and fixing rotary handle, Direct type (including BUC handle with door interlock ) in the existing MCCB of rating up to 250 A |
| 27 | 90.14.10.3:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.16 A-100A, 16 kA (Ics=100%Icu), 4 pole, current limiting type MCCB having thermal setting range of 80 - 100% with thermal magnetic release having adjustable OL |
| 28 | 90.14.10.8:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.200A, 35/36 kA (Ics=100%Icu), 3 pole, current limiting type MCCB with microprocessor based release with overload setting of 50 - 100% having adjustable OL & SC |
| 29 | 90.14.10.17:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.320A/400A, 50/55 kA (Ics=100%Icu), 4 pole, current limiting type MCCB with microprocessor based release with overload setting of 50 - 100% having adjustable OL & SC |
| 30 | 2.2.1:Providing and fixing following rating and breaking capacity MCCB withthermomagnetic release and terminal spreaders in existing cubicle panel boardincluding drilling holes in cubicle panel. making connections. etc. as required.100 A, 16KA |
| 31 | 2.2.4:Providing and fixing following rating and breaking capacity MCCB withthermomagnetic release and terminal spreaders in existing cubicle panel boardincluding drilling holes in cubicle panel. making connections. etc. as required.200 A, 16KA |
| 32 | 1.17.28:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.10 x 4 sq. mm |
| 33 | 90.12.7.28:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.3.5 core 35 sq mm with factory made clamp |
| 34 | 90.12.7.34:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.3.5 core 185 sq mm |
| 35 | 9.1.21:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2X 35 sq. mm (32mm) |
| 36 | 9.1.27:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2X 185 sq. mm (57mm) |
| 37 | 90.16.1.3:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.15 mm copper conductor ( 10 SWG) |
| 38 | 90.16.1.7:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required7.10 mm copper conductor ( 2 SWG) |
| 39 | 90.16.5.3:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.3.15 mm (10 SWG) |
| 40 | 90.16.5.7:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.7.10 mm (2 SWG) |
| 41 | 90.16.5.2:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.2.65 mm (12 SWG) |
| 42 | OD53202/2026-2027:Supply and fixing earth clamp suitable for10/16/35/150 /185/300 sq. mm cable gland |
| 43 | OD53185/2026-2027:Supply and providing 12x3mm brass bolt and nut with washers on the existing MS box/earth bus etc as required including drilling necessary holes |
| 44 | Capacitor Panel |
| 45 | 90.14.1.1:Fabrication, supply, conveyance, installation testing and commissioning of floor or wall mounting, dust and vermin proof, cubicle type MV panel board comprising of the following components/ devices & complying to IS 8623.Fabrication of fully partitioned, dust and vermin proof enclosure for panel assembly as per form 4 of IS 8623 (with latest amendments) using CRCA sheet as per approved design and requirement, with front and rear access facility, bus bar chambers, hinged doors for all switch gear compartments, earthing the doors using 4 sq mm braided copper conductor, providing necessary cut-outs for mounting meters, relays, indication lamps, bus bar interconnection etc, detachable covers for bus bar chamber and cable alley, powder coating the assembly after subjecting to 7 tank process etc as required. CRCA sheet alone be used for the fabrication. Angles/ flats/ slotted angles etc shall not be used for the fabrication of panel assembly. The measurments will be taken the area of the complete sheets used for panel board including partitions, folding, shrouding etc.Supply and fabrication of MV panel board using 2.00mm CRCA sheet, powder coated (excluding base frame) |
| 46 | 90.14.2.2:Supply and providing 3mm SMC sheet as shrouding for bus interconnection / terminations etc. including required nut & bolt etc. |
| 47 | 90.14.3.2:Supply and providing heavy duty 'A' section neoprene gasket in the panel boardU' section rubber beeding suitable for 1.60/ 2.00 mm sheet |
| 48 | 90.14.4:Supply and fabrication conveyance and installation of base frame of panel board using 75 x 40 mm rolled steel channel (ISMC) |
| 49 | 90.14.5:Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board |
| 50 | OD53214/2026-2027:LED indicators for all voltage ranges - Red, Green, Black, Yellow or Orange Colour |
| 51 | OD53219/2026-2027:Aluminium anodised Danger Notice Board of size 150 x 100 mm. with inscriptions ( both in English andMalayalam) and conventional Skull and Bone in Red colour.Aluminium anodised Danger Notice Board of size 150 x 100 mm. with inscriptions ( both in English andMalayalam) and conventional Skull and Bone in Red colour. |
| 52 | OD53217/2026-2027:20 A fuse holder for BS type blade fuses.3 |
| 53 | OD53213/2026-2027:2 A-16A clip-on offset tag fuse link of size f13 |
| 54 | OD53218/2026-2027:Aluminium anodised legend plate of size 100 x 40 mm. with inscription of BUS BAR CHAMBER |
| 55 | OD53212/2026-2027:Aluminium anodised legend plate of size 40 x 20 mm. with inscription of EARTH.1 1 |
| 56 | 90.14.6:Supply and providing copper bus bars including finger type SMC bus bar supports in the bus chamber, suitable size nut & bolt, providng heat shrink sleeves etc. as required. |
| 57 | OD53211/2026-2027:Supply & fixing the following accessories in positon and giving connection. 8 stage,440/ 110 V, 5 A/ 1 A intelligent power factor controller |
| 58 | OD53216/2026-2027:Supply and Fixing of Illuminated Flush head Actuator - Green with legend 'OFF',(Contact - 1 NC) and giving connection etc as required. |
| 59 | 90.14.24.55:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.5 KVAr, 3 phase, 520 V, Metalised Poly Propylene Heavy duty Cylindrical Gas filled Capacitor suitable for APFC panel with block reactor. |
| 60 | 90.14.24.58:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.10 KVAr, 3 phase, 520 V, Metalised Poly Propylene Heavy duty Cylindrical Gas filled Capacitor suitable for APFC panel with block reactor. |
| 61 | 90.14.24.60:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.15 KVAr, 3 phase, 520 V, Metalised Poly Propylene Heavy duty Cylindrical Gas filled Capacitor suitable for APFC panel with block reactor. |
| 62 | 90.14.24.61:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.20 KVAr, 3 phase, 520 V, Metalised Poly Propylene Heavy duty Cylindrical Gas filled Capacitor suitable for APFC panel with block reactor. |
| 63 | OD53209/2026-2027:Providing and fixing following capacitor duty contactor 5 to 20 KVAR existing paneland giving connection complete |
| 64 | OD53210/2026-2027:Providing and fixing following 400/5 A, 5 VA, accuracy class .5, Resin CastMetering CT in existing panel and giving connection complete |
| 65 | OD53215/2026-2027:Supply and fixing 16 A 415 V Two step selector switch |
| 66 | 2.10.5:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, \\"\\"C\\"\\" curve, miniaturecircuit breaker suitable for inductive load of following poles in the existing MCBDB complete with connections, testing and commissioning etc. as required.Triple pole and neutral |
| 67 | 1.17.29:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.2 x 6 sq. mm |
| 68 | 2.1.4:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.125 Amp TP & N |
| 69 | 90.14.7:Supply and providing copper earth bus in the panel board |
| 70 | EARHING |
| 71 | OD53183/2026-2027:Supply and providing plate earthing as per IS 3043 with 1200x1200x12 mm GI/CI earth plate, 50 mm GI watering pipe fixed to the earth plate with 25 x 3mm GI clamps, GI funnel with weld mesh, filling required quantity of charcoal including construction of inspection chamber with a bed concrete of 1:4:8 PCC using 40 mm broken stone (10 cm thick), brick work in cement mortar 1:6, plastering the surface of brick masonry and the exposed surface of PCC bed with cement mortar 1:4, 12 mm thick, (the finished inside dimension shall be 450 x 450 x 450 mm) but excluding test joint, earth continuity conductor to the plate, and covering at the top. |
| 72 | 5.4:Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. |
| 73 | 5.8:Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm) |
| 74 | 90.16.1.4:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required4.00 mm copper conductor ( 8 SWG) |
| 75 | 90.16.5.4:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.4.00 mm (8 SWG) |
| 76 | OD53181/2026-2027:Supply and providing 25x6mm brass bolt and nut with washers on the existing MSbox/earth bus etc as required including drilling necessary holes |
| 77 | OD53175/2026-2027:Supply and providing 2.5mm thick Elastomeric fire retardent insulating mat as per IS 15652/2006 to withstand 11 KV dielectric strength. |
| 78 | OD53176/2026-2027:Supply and providing 9 Litre capacity GI Fire Bucket painted in post office red with primer coat of red oxide and written with white paint 'FIRE' mounted on MS angle frame work/ wall bracket filled with fine sand, painting the bracket/ floor stand including making good the damages, colour washing etc. as required. |
| 79 | OD53182/2026-2027:Supply and providing 5 Kg. Dry Chemical Powder type Fire Extinguisher with hose and clamps including fixing it to wall as required. |
| 80 | OD53177/2026-2027:Supply and providng 11 KV rubber hand long glove |
| 81 | OD53178/2026-2027:Painting letters or figures of 2.5/4 cm sizes with enamel paint as identification mark to SB, DB, panel board etc as required |
| 82 | OD53184/2026-2027:Supply and providing First Aid Chart duly framed and placed in a conspicuous location for clear vision. |
| 83 | Electrification |
| 84 | 90.11.1.20:Supply and installation of sheet steel, phosphatised and painted, dust and vermin proof enclosure of MCB DB including copper /brass bus bar, neutral link, earth bus and DIN rail suitable for fixing MCB/ isolator etc. fixed on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing etc. as required8 way (8+12) - double cover TPN vertical DB with provision for fixing MCCB as incomer and SP/ TP MCB as outgoing (IP 42/43) |
| 85 | 2.10.4:Supplying and fixing 5A to 32 A rating, 240/415 volts, 10 kA, \\"\\"C\\"\\" curve, miniaturecircuit breaker suitable for inductive load of following poles in the existing MCBDB complete with connections, testing and commissioning etc. as required.Triple pole |
| 86 | 90.16.5.1:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.2.00 mm (14 SWG) |
| 87 | 1.24.3:Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.15/16 amp switch |
| 88 | 1.24.5:Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.6 pin 15/16 amp socket outlet |
| 89 | 1.27.2:Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc as required.3 Module (100mmX75mm) |
| 90 | OD53169/2026-2027:Charges for Preparation of electrical /fire drawings in A3 sheetas per requirements for submitting electrical inspectorate/ fire department forapprovals-First copy |
| 91 | OD53171/2026-2027:Charges for Preparation of electrical /fire drawings in A3 sheetas per requirements for submitting electrical inspectorate/ fire department forapprovals- Additional copy |
| 92 | OD53167/2026-2027:fee remitted to the Electrical Inspectorate for obtaining the necessary approvals, arranging site inspections and all necessary follow up works for getting service connections. (Amount will be reimbursed as per the original receipt ) Please Enable Macros to View BoQ information |
