REPAIR MAINT OF VCBs ACB AT VARIOUS INSTALLATION UNDER GE AF AWANTIPUR

Amount

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth in soft/loose soil for laying of cables or other items and getting out complete all as specifed and directed.

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25 cm complete all as specified and directed.

Removing excavated material not exceeding 50 mtr and depositing where directed in a level not exceeding 1.5 mtr above the starting point of any type of soil complete all as specified and directed.

Taking out burnt/unserviceable HT cable of any size from existing trench and keeping aside.

Supply laying and testing XLPE insulated screened PVC bedded, galvanized steel strip or wire armored heavy duty 11000 Volts 6.35/11 KV (Earthed) grade with stranded aluminium conductor 95 Sqmm 3 core all as specified and directed.

Material and labour for sand cushning to under ground cable provided with a layer of sand 8 cm depth before laying of cable and 15 cm depth after laying and stretching the cable all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV,type 1 with flat, size 300mm x 180mm x 40mm, laid dry flat in trenches for protection of cable over HT cable, complete all as specified and as directed.

Taking out old rusted GI pipe and S&F tubing 'light grade' galvanised iron with all fittings and fixed to poles, walls etc. with flat iron clamps/bolts/nuts/washers or laid in floors/under roads complete all as specified and directed of the following bores :- (a) 100 mm bore

Material and labour for cable jointing kit for 11 KV (earthed) grade cable for indoor type termination heat shrink type joint complete with jointing material and allied accessories suitable for 3 core XLPE/ PVC insulated armoured aluminium conductor cable of size 120 sqmm complete, all as specified and directed.

Material and labour for cable jointing kit for 11 KV (earthed) grade cable for outdoor type termination heat shrink type joint complete with jointing material and allied accessories suitable for 3 core XLPE/ PVC insulated armoured aluminium conductor cable of size 95 sqmm complete, all as specified and directed.

Material and labour for cable jointing kit for 11 KV (earthed) grade cable for staight through heat shrink type joint complete with jointing material and allied accessories suitable for 3 core XLPE/ PVC insulated armoured aluminium conductor cable of size 95 sqmm complete, all as specified and directed.

Material and labour for replacement of existing GOD by 11kv, 630A, 26.3 KA Load Break Switch (Outdoor Type) with Fuse Trip, earth Switch, dynamic mimic arrangement, 230 V AC Shunt Trip Coil and 2NO+2NC Aux. Contacts.11Kv HT HRC Fuses Rating: 630A, Indication Lamps LBS off / on Indication, Control Wiring with appropriate colours, Space Heater with ON/OFF Switch and Thermostat, and Fuses for AC Control, MS Steel Sheet enclosure suitable for Outdoor Type Installation with MS base channel, Provision for receiving Incoming from side cable box and Out going cables thro Bottom entry, Excluding Termination Kit and Glands, Main Bus - 50x12mm- Aluminium, Earth Bus - 40x6 mm Aluminium, Powder Coating Shade- Siemens Grey Ral 7032 complete all as specified and as directed. Make- L&T, ABB, Schneider, ITE GUrgaon

Dehydration and Filteration of existing serviceable oil in the transformer till it acheive dielectric strenght not less then 45KV in first tripping after dehydration with minimum electrode gap 5mm using dehydration plant complete, all as specified and directed.

Material and labour for servicing of 33 KV VCB / 11KV VCB / bus coupler by dismantling cleaning greasing the complete VCB with attached relays bus bar etc insulation testing, setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking and repairing the current circuit panel wiring, replacement of new spares as required complete including operational testing and comrnissioning all as specified and directed. (Note : New spares will be measured and paid separately under relavent item of' this schedule)

Supply, connecting and testing tripping coil DC 30/24 Volt suitable for 11KV VCB panel complete all as specified and directed.

Supply, connecting and testing closing coil DC 30/24 Volt suitable for 11KV VCB panel complete all as specified and directed.

Supply, connecting Ammeter digital type with CT ratio 100/5 and current rating0-50 Amp suitable for 11 KV VCB panel complete all as specified and directed.

Supply, connecting Voltmeter digital type 0-15 KV PT ratio, 11KV/110 Volt suitable for 11 KV VCB panel complete all as specified and directed.

Supply and fixing for LED type indicating lamp fitting suitable for 24 /30 Volt DC complete all as specified and directed.

Suply only gear system assy complete with handle for charging discharging of VCBs complete all as specified and directed.

Supply only spring charging motor for VCBs complete all as specified and directed by Engr in charge.

Supply only breaker control switch for 11 KV breakers. Make- Kaycee

Supply only Auxiliary spring set as per sample.

Supply only Vacuum interrupter type WL3379M3.Make-CG DISPNOS-65459 or as per existing

Supply and fixing for microprocessor based over current and earth fault relay with highest element event recording & current scanning/display feature suitable for 30 Vto 110 V AC/DC. Make- siemens or as per existing

Supply and fixing for 11 KV current transformer suitable for VCB of ratio 50-25/5A match with as per existing CT complete all as specified and directed.

Supply and fixing in replacement of 11 KV Booster Voltage Stabiliser Control card of capacity as per existing complete all as specified and as directed.

Supply and fixing in replacement of 11 KV Booster Voltage Stabiliser CM torque motor for rotating of dimmer as per existing capacity as per existing complete all as specified and as directed.

Supply and fixing in replacement of 11 KV Booster Voltage Stabiliser Micro Switch as per existing capacity as per existing complete all as specified and as directed.

Supply and fixing in replacement of 11 KV Booster Voltage Stabiliser Carbon Brushes as per existing capacity as per existing complete all as specified and as directed.

Supply and fixing in replacement of relay of 11 KV Booster Voltage Stabiliser relay as per existing complete all as specified and as directed

Material and labour for servicing, calibration, testing and setting of fault tripping relays 33 KV as per OEM complete all as specified and as directed.

Material and labour for servicing, calibration, testing and setting of fault tripping relays 11 KV as per OEM complete all as specified and as directed.

Material and labour for servicing, calibration, testing and setting of fault tripping relays 11 KV HT RMU as per OEM one incomer & 02 outgoing nos as per OEM complete all as specified and as directed.

Supply and fixing in replacement battery backed power pack, input 230 Volts AC supply suitable for HT 11 KV VCB, complete all as specified and as directed

Supply and fixing in replacement Potential Transformer cooling type oil 3 Phase 11 KV including taking down of existing unsv PT complete all as specifed and as directed

Supply and fixing in replacement Potential Transformer cooling type oil 3 Phase 33 KV including taking down of existing unsv PT complete all as specifed and as directed.

Supply and fixing for Master trip relays with having multiple NO & NC contact for extending tripping & highest element event recording & current scanning/display feature suitable for 30 Vto 110 V AC/DC. Make- siemens or as per existing.

Supply and fixing in replacement VRLA/ Tubular Gel Battery 2 Volts, capacity upto 240 AH, for use in UPS, complete all as specified and as directed.

Material and labour for cutting of bitumen road/PCC road/hard standing for laying of GI pipe 100 mm light grade and passing of cable including making good to disturbed surface with PCC 1:4:8 and matching with existing surface complete all as specified and directed.

Material and labour for fixing of 33KV (2x1 m) Anti Skid Electrical insulation Mat Flame Retarded, complete all as specifed and as directed.

Material and labour for fixing of 11 KV (2x1 m) Anti Skid Electrical insulation Mat Flame Retarded, complete all as specifed and as directed

Material and labour for cement concreate on foundation filling and mass concreate type C2 with PCC 1:3:6 and 40mm aggregate complete all as specified and directed.

Material and labour for earthing complete with galvanised steel earth plate electrode 60cmx 60cm x6mm thick burried directly in ground ( earth pit not less than 2.25 mtr below normal ground level ) connected to and including galvanised iron strip 25x4mm by means of bolts nuts check nuts and washers of galvanised iron or steel including PCC pit in PCC 1:2:4 type B-1 RCC cover made out of cement concrete 1:2:4 type B-1 (using 20 mm grade crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle and angle iron 40x40x5mm frame, GI medium grade watering pipe 20mm bore and funnel with wire mesh light grade protection pipe 40mm bore upto main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion all as directed. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

Material and labour for earthing complete with copper earth plate electrode 60cmx 60cm x6mm thick burried directly in ground ( earth pit not less than 2.25 mtr below normal ground level ) connected to and including copper strip 25x3mm by means of bolts nuts check nuts and washers of galvanised iron or steel including PCC pit in PCC 1:2:4 type B-1 RCC cover made out of cement concrete 1:2:4 type B-1 (using 20 mm grade crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle and angle iron 40x40x5mm frame, GI medium grade watering pipe 20mm bore and funnel with wire mesh light grade protection pipe 40mm bore upto main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion all as directed. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

Supply & fix gravels 20-40 mmincluding spreading it to all GOD/4 pole structure. Complete all as specified and as directed.

Material and labour for jointing/threading of copper strip 20x3 mm laid in trench/wall complete all as specified and as directed by Engr-in-Charge.

Material and labour for replacement of busbar for VCB 11 KV Complete fabrication along with necessary welding along with RYB synthetic sleeves if required.

Material and labour for Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 50mm height, 65mm dia for 550 volts grade, complete all as specified and as directed.

M/S Sky Engineers (BID ID -3119419)

CHINAR CONSTRUCTION TRADERS (BID ID -3119488)

M/S LEO TRADERS (BID ID -3119376)