SPECIAL REPAIR TO OLD OBSOLETE HT, LT CABLE, BER TRASFORMER

Amount

Supply, install,testing, & commissioning outdoor type Power transformer having no load voltage ratio at rated voltage 33/11 KV, 3150 KVA oil immersed, naturally cooled 3 phase 50 Hz, vactor group DYN-11 and ON Load tap Changer with AVR & RTCCP +5% to -15% in step of 1.25% tap changing switch on HT side to very secondary voltage, connected internally and hand operated ON circuit tap changing switch, star Delta connected internally with HV coil, copper double wound, LV side provided with 3 phase and neutral with the temprature rise not exceeding 60 degree C by thermometer in oil and 55 degree Celsius by resistance with first filling of oil as per IS grade 335 and transformer conforming to IS 2026 level 1 insulation level "class A" all as directed and specified with and including the following fitting and accessories including first fill of transformer oil necessary mounting on PCC floor mounted as per manufacturer's recomendations and specifications

(a) Lifting lugs, Top cover lugs & jacking Pad.

(b) Earthing Terminals.

(c ) Conservator with oil gauge Glass, Oil filling hole with plug and drain plug.

(d) Transformer Drain valve

(e) 04 Nos Bi Directional plain/Flat rollers

(f) Explosion Vent with Diaphragm

(g) Thermometer Pocket

(h) Air Vent Plug

(j) First Fill Silica get Breather

(k) Rating & Diagram Plate, Inspection cover,. Terminal Making Plate

(l) Cooling Radiators

(m)LV Neutral Bushing brought out for external earthing.

(n) First Fill of EHV grade Transformer Oil

(o) Buchholz Relay with Contracts for Alarm & Trip Contacts

(p) Magnetic Oil Level Gauge with Alarm Contacts

(q) Oil Temp indicator with Alarm & Trip Contacts

(r) Winding Temprature indicator with Alarm & Trip Contacts

(s) Marshaling Box)

Supply ,laying and testing XLPE insulated , screened, PVC bedded galvanised steel strip or wire armoured HT electric power cable heavy duty with aluminium conductor 11000 volts grade earthed cross sectional area 300 sq mm 3 core, laid in ducts including taking out existing unserviceable cable complete all as specified and directed.

Supply & Fixing Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 300 sqmm all complete as specified and directed.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 1.5 sqmm 4 core, 1100 volt grade including taking down of existing unserviceable cable complete all as specified and directed.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 1.5 sqmm 8 core, 1100 volt grade including taking down of existing unserviceable cable complete all as specified and directed.

Supply ,laying and testing XLPE insulated armoured heavy duty LT electric power cable heavy duty with aluminium conductor 1100 volts grade cross sectional area 95 sq mm 3.5 core ,laid in ducts including taking out of existing unserviceable cable complete all as specified and directed

Supply ,laying and testing XLPE insulated armoured heavy duty LT electric power cable heavy duty with aluminium conductor 1100 volts grade cross sectional area 120 sq mm 3.5 core ,laid in trenches/ducts /encased in GI pipe /fixed to pole including taking out of existing unserviceable cable complete all as specified and directed

Supply ,laying and testing XLPE insulated armoured heavy duty LT electric power cable heavy duty with aluminium conductor 1100 volts grade cross sectional area 150 sq mm 3.5 core ,laid in ducts including taking out of existing unserviceable cable complete all as specified and directed

M&L for Earthing (in replacement) complete with copper earth plate electrode of size 600 mm x 600 mm x 3.15 mm thick buried directly to ground vertically to a depth not less than 2.25 m below the ground level with top edge of earth plate not less than 1.5 m below normal ground level connected to copper strip 32 x 6 mm size as earthing lead filling around with charcoal dust and salt including excavation, returning, filling of earth and disposal of surplus soil to a distance not exceeding 50 mtr and connected to copper strip by means of GI nuts, bolts and washers strip connected to earth test point including chamber PCC 1:3:6 type C1 (using 20 mm graded crushed stone aggregate) alongwith lifting handle complete all as specified and directed.

M&L for Earthing (in replacement) complete with GI earth plate electrode of size 600 mm x 600 mm x 6 mm thick buried directly to ground vertically to a depth not less than 2.25 m below the ground level with top edge of earth plate not less than 1.5 m below normal ground level connected to GI strip 32 x 6 mm size as earthing lead filling around with charcoal dust and salt including excavation, returning, filling of earth and disposal of surplus soil to a distance not exceeding 50 mtr and connected to GI strip by means of GI nuts, bolts and washers strip connected to earth test point including chamber PCC 1:3:6 type C1 (using 20 mm graded crushed stone aggregate) alongwith lifting handle complete all as specified and directed.

M.S CONSTRUCTIONS

KB PROJECTS