| 1 | External Electrical Works | | |
| 2 | HT Metering Panel (SEB's) Supplying / Receiving, Installation, Testing and Commissioning of Powder coated, 14 SWG CRCA sheet steel enclosed 11KV H.T. Metering Panel complete with the following: 1set of 11/ 3KV / 110/ 3 Volt, 100 VA burden & accuracy class 0.5, single phase construction, dry type cast resin PT. 3 Nos. of dual core 50/5A, 15 VA burden, accuracy class CL 0.5, 11 KV cast resin CTs One Set of Phase Indicating Lamps. ,2 Sets of HRC fuses with fuse base (H.T. Fuse - 1A & LT fuse 2-6A). 2 Nos. indoor cable end box suitable for 3C x 240 sq.mm. 33 KV(E), aluminium conductor XLPE Ar. cable (Incoming & Outgoing cable).1 No. SEB approved digital Trivector meter with MDI in KVA of accuracy class - 0.5.(Accuracy class shall be as per local board) Note: The contractor shall get the Trivector meter, CTs' & PT tested by SEB and the charges for liasioning for the same will be paid extra. SITC Rate for Metering Panel as described above Note: The contractor shall ensure that the above panel meets the requirement as insisted by State/Local authorities(As per SEB) for satisfactory operation and as per the Drawings | 2.00 | Set |
| 3 | 11kV 2 POLE STRUCTURE Supply,installation,testing and commissioning of two pole structure with required arrangement for terminating 11KV overhead conductor on one side and 11KV, 2R x 3 x 300 sq.mm. Al conductor XLPE cable on the other side including providing triple pole ,mechanically operated mounted on insulators and steel frame with operating mechanism worked from ground level,expulsion fuses of 33KV ,required rating along with 11KV 200 amp air break isolator suitable for outdoor application ,earth switch, Metal oxide type Lightning arrester complete with all fittings and discharge capacity 50 KA complete as required. 11 kV HT 'H' pole as per specification & as described above | 2.00 | SET |
| 4 | SITC of 11kV Compact Sub-Station Design, fabrication, assembling, wiring, supply, testing at works, packaging, forwarding to site and supervising the testing & commissioning of 11kV compact secondary substation suitable for Outdoor installation with natural cooling, having type tested equipments comprising of oil-type distribution transformer and SF-6 insulated compact switchgear enclosed in robotically sealed stainless steel tank, low-voltage switchboard, interconnection between HT switchgear and transformer using cables and transformer to LT-switchgear using aluminium busbars, factory built ready for connection type, internal GI earthing provided complete with other associated equipments etc. complete as required conforming to IEC 62271-202 and relevant IS or international specifications, as regards to design, manufacturing, type-testing, routine-testing and operator safety (IAC AFLR). The enclosure shall have modular construction using G.I. Sheet and shall be powder-coated from exterior. The Transformer compartment will have IP-23 ingress protection, whereas the HT/LT compartment will have IP-54 protection. The 11kV Outdoor Compact Sub-Station shall be consisting of following , HT SWITCHGEAR 11kV 630Amps 20kA for 3 sec. & tested for 20kA/ 1 sec internal arc , SF6 insulated Non-Extensible Compact switchgear consisting of One No. Direct Module for Incomer and one No. of Fixed Manual Vacuum Circuit Breaker in SF6 insulated Stainless steel enclosure with series trip,self powered microprocessor based numerical over current and Earth Fault (IDMT+Inst.) relay protection along with. Interconnection between HT switchgear and transformer shall be using 3Cx240 sq.mm Al. armorured XLPE Cable.....1 Set | | |
| 5 | 1no. 800KVA 11KV/433V Dyn11 Oil filled hermatically sealed transformer without conservator type of design having corrugated tank & Top normal porcelein Bushings for HT & LT with OLTC and RTCC switch of rating +5% to -15% @2.5%. Temp Rise - Oil/Winding 40/50 deg cel, NL/FL Losses = 1.4/14 KW (Subject to IS Tol.), Impedanace 5% (Subject to IS Tol.) .....1 Oil temperature Indicator, Winding Temperature indicator with Alarm and Trip Contact ..1 Set Set LV SIDE 1 Nos. 1600A, 50KA 4 pole microprocessor based EDO, ACB with integral protection Outdoor type enclosure with slanted roof & having construction of Galvanised Sheet Steel of thickness 1.5/2mm. The enclosure shall be type tested for IAC 20 kA/ 1 sec AB class as well as impact test as per IEC 62271-202 or international standards with reports not later than 5 years. The Enclosure shall have IP54 degree of protection for HT & LT switchgear compartment & IP23 degree of protection for Transformer compartment with transformer compartment thermal class of K-20 as per latest IEC. The enclosure shall be Powder Coated (Colour Light Gray & D.A.Gray ). Each compartment will be provided with the door and pad locking arrangement. The Compartment illumination lamp with door operated switch shall be provided for each compartment.....1 Set Interconnection Between HT switchgear & Transformer using 3Cx240Sq.mm XLPE Single core cable & Interconnection between Transformer & LT switchgear using Aluminium Busbars. Internal earthing connections by using 50x6 mm GI strips ...1 Set Supply of 11kV Compact Substation including Receiving,unloading , shifting at designated place, fixing, testing & commissioning as per specifications described above. | 1.00 | Set |
