SPECIAL REPAIR HT SWITCH GEARS 33 KV AND 11 KV HT ELECTRIC SUPPLY SYSTEM UNDER GE GWLAIOR

Amount

Excavation in trenches not exceeding 1.5m wide and not exc. 1.5m depth and getting out in hard/dense soil complete all as specified and as directed.

Returning, filling, including spreading, leveling, watering and well ramming in layers not exc. 25cmin soft/loose soil complete all as specified and as directed.

Removal of excavated soil to a distance not exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and as directed.

M&L for sand cushioning in trenches for cable protection including consolidation complete all as specified and as directed.

M&L for Sub class 'B' bricks laid dry width wise across the line of cable in treanchs as cable protection complete all as specified and directed.

Supply and installation in replacement of 11KV, 25KA, 630A Outdoor PC VCB with support structure As per below specification, Circuit Breaker type -Univac IS 13118-1991/ IEC56-1987.Breaking Capacity 25kA, Current 630A, Making Capacity 62.5kA pk, Frequency - 50 Hz.,Short time current -25kA for 1 Sec.No. of pole - 3 Nos.DC Component - 50%, BIL - 70/170 kvp Operating coil - 30 VDCAux Switch - 8 No + 8 NC. complete with incoming and out going connections aluminium jumpering with lugs nut bolts washer foundation as per company specification lugs nut bolts washer foundation as per company specification complete all as specified and as directed.

Supply and installation commisining and testing in replacement 33KV, 25KA, 1250A Outdoor PC VCB with support structure As per below specification, Circuit Breaker type -36PV25A (Old Rating to IS 13118-1991/ IEC56-1987. Breaking Capacity 25kA, Current 1250A, Making Capacity 67kA pk, Frequency - 50 Hz., Short time current -25kA for 1 Sec. No. of pole - 3 Nos. DC Component - 50%, BIL - 70/170 kvp Operating coil -30 VDC Aux Switch - 8 No + 8 NCcomplete with incoming and out going connections aluminium jumpering with lugs nut bolts washer foundation as per company specification complete all as specified and as directed.

Supply and installation of control pannel for 33 KV VCB, Numerical O/C and E/F Relay, IDMT, 3O/C+ 1E/F,with High set (Make-C&S/ Avana), Master Trip relay (C&S/ Avana), Transformer Protection Relays Salzer(03 Nos), Multifuntion Meter Size 96X96mm, Accu. Class 0.5,Rish Master 3440 (Rishabh) , LED Indicating lamps (7 Nos), Push Button switches(05 Nos), 12 window annunciator Breaker Control Switch, 25 Amps, Pistol grip Handle, 3 Position,Trip-Neutral- Close, Spring Return, Return to neutral (02 Nos) contacts for Trip and 2 No. contacts, Copper Earthing Bus Bar, Size 25X6X250mm Standard , Auxiliary Relay for Alarm Circuit Leone, HK, Er 09, Piezo electric Buzzer for Alarm, DC and AC Master 02, HRC Fuses for Control ckt. protection GE/ HPL/ Standard, Panel illumination Bulb 40Watt Philips/Bajaj 01, Socket 230V, 6Amps with Switch and Fuse Anchor 01, Cabinet made of 2mm thick sheet,Size : H-1475, W-600, D-300 mm.Powder Coated, Exterior: Siemens Grey, Interior: Siemens GreyHertz 01 Wiring by PVC flexible Copper wire using lugs, Ferrules, PVC Channels. CT Ckt: 2.5 sq.mm PT Ckt: 1.5 sq.mm HPL/ RR Kable/As

Supply and installation of control pannel for 11 KV VCB, Numerical O/C and E/F Relay, IDMT, 3O/C+ 1E/F,with High set (C&S/ Avana), Master Trip relay, Multifuntion Meter Size 96X96mm, Accu. Class 0.5 (Rishab), Master 3440 (Rishabh) , LED Indicating lamps (07 Nos), Push Button switches (05 Nos), 12 window annunciator Breaker Control Switch, 25 Amps, Pistol grip Handle,3 Position,Trip-Neutral- Close, Spring Return, Return to neutral, 2 N.O. contacts for Trip and 2N.O. contacts, Copper Earthing Bus Bar, Size 25X6X250mm Standard 01, Auxiliary Relay for Alarm Circuit Leone, HK, Er 09, Piezo electric Buzzer for Alarm, DC and AC Master 02, HRC Fuses for Control ckt. protection GE/ HPL/ Standard, Panel illumination Bulb 40Watt Philips/Bajaj 01, Socket 230V, 6Amps with Switch and Fuse Anchor 01, Cabinet made of 2mm thick sheet,Size : H-1475, W-600, D-300 mm.Powder Coated, Exterior: Siemens Grey, Interior:Siemens GreyHertz 01 Wiring by PVC flexible Copper wire using lugs,Ferrules, PVC Channels. CT Ckt: 2.5 sq.mm PT Ckt: 1.5 sq.mm HPL/ RR Kable/As

Supply and installation in replacement of 11 KV, single phase, out door oil cooled CT of ratio 400/5-5 Amp, class 1/0/5P10, burden 15 VA. complete all as specified and as directed.

Supply and installation in replacement of 33 KV, single phase, out door oil cooled CT of ratio 400/5-5 Amp, class 1/0/5P10, burden 15 VA complete all as specified and as directed.

Supply and installation in replacement of 11 KV, single phase, out door oil cooled PT of ratio 11 KVrt3/110 V/rt3, Class 0.5-3, Burden 50 VA-50 VA complete all as specified and as directed.

Supply and installation in replacement of 33 KV, single phase, out door oil cooled PT of ratio 11 KVrt3/110 V/rt3, Class 0.5-3, Burden 50 VA-50 VA complete all as specified and as directed.

Supply and laying in replacement 4 core 2.5 sqmm control cable for VCB/CT/PT with proper size of thimbles lugs protection pipe complete all as specified and directed.

Supply and laying in replacement 8 core 2.5 sqmm control cable for VCB/CT/PT with proper size of thimbles lugs protection pipe complete all as specified and directed.

M&L for replacement of outdoor control junction boxes of required sizes for 33/11 KV CT/PT/VCB/SF6 breaker conrol cables with copper connection strips/lugs, nuts & bolts, washers, ms clamps etc complete all as specified and as directed.

Supplying, laying, jointing & testing 95 sqmm 3 core XLPE insulated & PVC sheathed armoured earthed HT cable, 11000 volts grade heavy duty with aluminium conductor laid in trenches/pipe/fixed on the wall etc .complete all as specified and directed.

S & F in repair heat shrink end termination outdoor type Cable jointing kit for 11KV HT XLPE cable of size 95 to 120 Sqmm 3 core complete with jointing material and accessories complete all as specified and as directed.

M&L for danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size, for HT of size 25x20cm size complete complete all as specified and as directed.

Supply and fix in repair of HT 33 KV out door type gang opeated air break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators and with earth switch upto 200/400 Amps complete all as specified and as directed.

Supply and fix in repair of HT 11 KV outdoor type gang operated air break switch in repair suitable for horizontal or verticle mounting rotating type complete with 12 insulator of rating upto 400 Amps complete all as specified and as directed.

M&L, earthing complete with GI earth plate electrode 60cm x 60cmx 6mm thick buried directly in ground (earth pit not less than 2.25 metre deep below ground level) with the top edge of the earth plate not less than 1.5 metre below normal ground level connected to GI earth strip 32 x6 mm by means of brass bolts ,nuts, check nuts and washers of galvanized iron steel all as shown in electrical plate No.3 of MES Schedule parts-I 2009 .and including excavation & earth work in any type of soil , disposal of soil , providing charcoal dust and common salt upto top edge of earth plate, construction of PCC pit in mix 1:3:6 type C-1 with 40 mm thick RCC 1:2:4 type B-1 as in cover slab, reinforced with 6 mm dia MS bars 3 Nos. both ways with lift hook made out of 6mm dia bar, watering arrangement with funnel and wire mesh and watering pipe of 20mm dia GI light grade and 15mm dia light grade pipe for earth lead protection upto 7.50m length (beyond 7.5 m length will be measured and paid separately) and testing on completion, complete all as specified and directed.

M/S SANTOSH CONSTRUCTION CO