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| 1 | Supply, installation, testing and commissioningof 25 KVA,BIS energy Level-II,3 phase, 11KV/0.415 KV, 50Hz, Oil immersed naturally air cooled (ONAN) type aluminium wound core type Delta-Star (HV-LV) Transformerwith neutral brought out in accordance with IS for earthing, vector group reference DYn-11, continuously rated for full load temperature rise not exceeding 50 degree centigrade complete with first filling of oil. The Transformer shall have Conservator tank with breather and silica gel, Explosion vent, Cable termination box on LV side with suitable knock outs for cable entryand suitable bushings on HV side comply with IS 2026/IEC 60076-1977 as amended up to date and as per specification attached etc. as requiredi/c installation of the transformer on existing GI/MS channels of DP structure / existingCC plinth , connection of HT conductors in bushing site and LT cable in LT site etc. complete as required. (BEE approved Certificate of Transformer manufacturer for 160 KVA DT should be submitted by the Contractor) |
| 2 | Supply of 9 mtrs. long PSC pole (conforming to IS: 1678/ 1998 as amended up to date) with working load 300 Kg. at 600 mm from topwith earthing arrangement in no. 8 SWG GI wire i/c transportation to site , loading/ unloading at both ends etc complete as required. |
| 3 | Erection of 9 mtrs. long PSC pole for HT line with 1.5 mtr. planting depth, earthing arrangement in no. 8 SWG GI wire, rigidly supported at the butt end with cement concrete foundation 1:3:6 (1 cement, 3 sand & 6 stone aggregate) of size 600mm x 600mm wide and 1000mm depth i/c excavation, refilling etc. complete as required. |
| 4 | Supplying and fixing of following sizes Hot dipped Galvanised iron channel / angle /flat /V-cross arms with nuts , bolts and washers, etc. on DP structure / PSC poleIncluding cutting, welding, drilling holes,fabricatingetc. as required. |
| 5 | 100mm x 50mm x 6mmchannel |
| 6 | 75mm x 40mm x 4.8mmchannel |
| 7 | 50mm x 50mm x 6mmangle |
| 8 | 50mm x 6mmflat |
| 9 | V- cross arms made of 75mm x 40mm x 6mm channel complete with 50 mm x 6mm hot dippedGalvanised iron flatpoleclamps nuts and bolts etc.. |
| 10 | Supplyand fixing ofPole top bracketfor single11KV OH line conductor, made ofhot dippedGalvanised iron 75mmX40mmX6mm (7.14 Kg/Mtr) complete with 50mmX6mm hot dippedGalvanised iron Flatclamps,bolts and nuts , drilling holes for pin insulators pinsetc. as required. |
| 11 | Supplyand fixing of Pole top bracketfor single11KV OH line conductor made of hot dippedGalvanised ironFlat50mmX8mm (3.1 Kg/Mtr) complete withclamps,bolts and nuts , drilling holes for pin insulators pins etc. as required. |
| 12 | Supply, installation, testing and commissioning of200Amps 11 KV, off load, single break, triple pole, horizontal type, gang operated air break switch (Heavy duty)having 2 nos. 11 KV post type insulator per phase complete with galvanised channel iron base, arcing horns, 25 mm dia. 6 mtr. long GI pipe, tinned copper wire braided flexible earthing wire & operating handle with locking arrangement, fixing on DP structure along with nuts, bolts, washers etc. complete as required. |
| 13 | Supply, installation, testing and commissioning of 3 phase, 200Amps, 11 KV outdoor type Horn Gap Fuse unit having 2 nos. 11 KV post type insulator per phase complete withGI base channel, cu-wire etc. on DP structure along with nuts, bolts, washers etc. complete as required. (one set comprising 3 units). |
| 14 | Supply, installation, testing and commissioningof three piece nonlinear resistor type lightning arrestor of 9KV (RMS), 10KA heavy duty typesuitable for operation onnominal system voltage of 11 KV and highest system voltage of 12 KV ,for transformerSub-station, complete with galvanised clamping arrangement, G.I. bolts, nuts, washers, connection of earth strips etc. as required. (Comprisingof 3nos per set) |
| 15 | Supply, installation and testingof 11 KV, 70 KNdisc insulator (B & S type)with galvanised insulator hard ware fittings, ball and socket type and complete with all hard wares i.e. galvanised strain clamps, bolts, nuts, washers etc. complete as required. |
| 16 | Supply, installation and testing of11 KV, 10KAporcelain pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required. |
| 17 | Supply of galvanised stay set for 11 KV over head lines complete with 19/20 mm dia x 1.8 metere long stay rod, anchor plate of size 45 cm x 45 cm x7.5mm thick, thimble, stay clamps, turn buckle (20 mm x 600 mm), 7/4.00 mm dia G.I. stay wire and 11 KV strain insulator etc. including erection in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40mm nominal size) foundation including excavation and refilling etc. as required. |
| 18 | Supply and drawing of55sqmm AAA stranded Aluminium conductori/c binding on pin/Disc/post insulators/LAs with binding wire for wiring the DP structure etc. as required. |
| 19 | Earthing with G.I. earth plate 600 mm x 600 mm x 6 mm thick including accessories, and providing RCC ring of 300 mm dia and 450 mm depth enclosure with RCC cover plate having lifting arrangement and watering pipe of 2.7 metre long etc. with charcoal/coke and salt as required. |
| 20 | Supplyand fixing 25 mm x 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 21 | Supplyand fixing 25 mm x 5 mm G.I. strip on surface or in recess for connections etc. as required. |
| 22 | Supplyand fixing of earth bus of 50 mm x 5 mm GI strip on surface above suitable size insulators, drilling holes for connections etc. complete as required. |
| 23 | Supplyand fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required. |
| 24 | Supply& fixing danger plates made of mild steel at least 2mm thick & vitreous enameled white on both sides & with inscriptions in signal red colour on front side as reqd. |
| 25 | High Voltage size 250mm x 200mm |
| 26 | Medium Voltage size 200mm x 150mm |
| 27 | Supply and making of fencing arrangement for the transformer yard of 1.8 mtrs height above the ground level made of 50mm x 50mm x 6mm MS angle & 20 mm x 3 mm m.s flat & 8 SWG dia 75 mm x 75 mm square G.I wire nettingi/c grouting the angle with 1:2:4 plain cement concrete of 300mm x 300mm x 450 mm depth, painting etc complete as reqd. The substation yard is to be surrounded at all sides by brick wall structure of size 250mm width x 600mm height with plastering the surface as required. The spacing between the angles shall not exceed 1.5 metres. |
| 28 | Supply and fixing of center opening door made of 25mm dia medium class G.I. Pipe & 8 SWG dia 75 mm x 75 mm GI square wire mesh i/c providing hinges, locking arrangement, painting and supply of lock and keys etc. complete as per attached drawing as required. |
| 29 | Supply and spreading of sand of50 mm size stone aggregate for the transformer yardetc. complete as required. |
| 30 | Supply of coarse river sand and filling of cable trenches and wall openingswith itto prevent entering of flooded water into the panel rooms including cost , conveyance, royalties and taxes, cost of labour for loading, unloading, shifting to spot and refilling, sundries, T & P required for the work etc. as required. |
| 31 | Supplying of 9.5 Litre capacityMS bucket with conical pointed, painted in post office red colour with prior coat of red-oxide paint and written with white paint \"FIRE\" and mounted on existingangle iron frame with bracket of appropriate size & capacity including filling of sand etc. (one set comprising of 3 units). |
| 32 | Supply ofHot pressed moulded SMC Distribution box, hinged double door type of size not less than 700mmX480mmX210mmsuitable for application for Electrical control and switch gear items such as MCCB, Isolators, Fuses, Bus bar Distribution boards etc. with provision for cable entry/exit from bottom/side ,locking arrangement suitable for fixing 1 no. 100 Amps 3pole MCCBor 100Amps TPN SFU with HRC fuses including supply and fixing of 2nos 200A 4 pole stud connectors, interconnections with 25sqmm single core PVC insulated copper conductor cable with copper sockets/lugs, fixing the box on 50mmX50mmX6mm GI Angle stand, drilling holes, making CC foundation for Angle stands etc. complete as required. (Make-Sintex model: GSDB-7450/SS) |
| 33 | Supply and fixing of 100Amps 4 pole, 415 volts 50 Hz MCCB with breaking capacity not less than 25KA and thermal relay range (80-100amps) on the existing MS/SMC box i/c connection, testing etc. as required. ( L & T Model: DU100 / SS ) |
| 34 | Supply of4 X 16 sq. mm size XLPE insulated Aluminium conductor armoured cable (A2XFY) 650/1100V grade confirming to IS:7098(Part-1) 1988etc. as required. (Polycab/Havells/ISI) |
| 35 | Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade up to 35sqmm size in the existing RCC/ HUME/ METAL pipe as required. |
| 36 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV gradeup to 35sqmm on wall surface with GI saddles as required. |
| 37 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV gradeup to 35sqin air as required. |
| 38 | Laying ofof 1 no. PVC insl & PVC shtd XLPE power cable1.1KV grade-in ground, including excavation, sand cushioning, protective covering and refilling the trench ( up to 35sqmm) |
| 39 | Laying ofof 1 no. PVC insl & PVC shtd XLPE power cable1.1KV grade-in ground, including excavation & refilling the trench but excluding sand cushioning, protective covering ( up to 35sqmm) |
| 40 | 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. a). 4 X 16 sq. mm |
| 41 | Supplying and fixing of 40 mm dia medium class GI pipe Directly in ground as per specification for LT cable for protection of LT power cable as required. |
| 42 | Supplying and fixing of 40 mm dia medium class GI pipe On surface of wall/on pole with necessary clamping arrangement for LT cable for protection of LT power cable as required. |
| 43 | Supply and fixing of 40 mm dia PVC pipe along with DP structure for insulating the earth strips of lightning arrestor etc. complete as required. |
| 44 | Charges formaking co-ordination and liaison withsupply company, local authorities, landlord, electrical inspecting authority etc. for various approval / permission required fromexecution stage to commissioning of substation complete with arranging / submitting various test reports, drawings, prescribed forms to local authorities / supply company / Electrical Inspector / meter testing authorities, inspection of sub-station by inspecting authority and to obtain satisfactory clearance certificate for charging of substation, co-ordination for execution of agreement, releasing of charging order and meter & energisation of 11KV line etc. complete as required..Note : Application fees, Security, demand note charges, meter testing charges & Inspection fee or any other statutory charges pertaining to S/stn work shall be paid byclient department or will be reimbursed on production of original receipts. |
