REPAIR MAINT HT SF6 33KV BREAKERS 11 KV RMU HT CABLES VCB INCL TRANSFORMERS AT AIR FORCE STN CHANDINAGAR UNDER GE AF FARIDABAD

Amount

Disconnecting HT supply and taking out trolley of VCB SF6 Circuit breaker 33 KV indoor type 630 Amps and servicing of trolley by cleaning isolating contacts , removing dust particles from Bus bar chamber and Spout gear mechanism and moving parts,repair to motor charging spring mechanism tightening of nut & bolts of entire trolley components all as directed inserting in trolley, testing commissioning and putting on the supply on the supply on load complete all as directed. lubricating moving parts repair/replacemen testing as mentioned below complete all as sepcified and directed by Engineer in Charge. Note : Spare Parts which are required to replace of unserviceable spare parts will be paid under respective item of sch A :-

M&L for replacement of Opening & closing coil -110 V DC suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Motor 220 V AC/DC SP suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Auxilairy contact (7NO +7 NC) suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Micro switch suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Shock Absorber (top) suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Shock Absorber (bottom) suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Charging device HPA 12/-40C suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of spring Mech frame suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Top operating shaft Assbly suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Bottom operating Shaft Assbly suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Pressure switch single Level suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of O Ring suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of opening spring complete with spring holders& spacers suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Closing spring complete with spring holders& spacers suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Support insulator 36 KV suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Poly Shutter 36 KV suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Tulip contact 15 finger suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

M&L for replacement of Bushing -R 36 KV VHA Cub (1250 A) suitable for 33kv SF6 Circuit breaker indoor type HT breaker.

Supply & fix in replacement push to close/open button assembly for Circuit breaker 33kv complete.

Disconnecting HT supply and taking out trolley of 11 KV RMU SF 6 indoor type and servicing of RMU by cleaning isolating contacts , removing dust particles from Bus bar chamber and Spout gear mechanism and moving parts lubricating moving parts replacement of worn out unserviacable parts /components and testing complete as mentioned below complete all as sepcified and directed by Engineer in Charge. Note : Spare Parts which are required to replace of unserviceable spare parts will be paid under respective item of sch A :-

M&L for replacement of Motor & Gear only 24 V DC suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of 2PA Mechanism W/O Hex rod suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of 3PKE Mechanism W/O Hex rod suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Manometer Assbly suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Bushing 400 series bolted type suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Opening coil 24 DC for RMU suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Closing Coil 24 DC for RMU suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of shaft for operating handle suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of O Ring 72 x 6 400 Series suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Aux switch suitable for 11kv RMU SF6 indoor type HT breaker

M&L for replacement of Insulated bushing cover suitable for 11kv RMU SF6 indoor type HT breaker

M&L for fixing of cable joint kit for 33 KV (Earthed) grade cable for indoor termination heat shrinkable type end joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 120 sqmm complete all as sepcified and directed by Engineer in Charge.

M&L for fixing of cable joint kit for 33 KV (Earthed) grade cable for outdoor termination heat shrinkable type end joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 120 sqmm complete all as specified and as directed.

M&L for fixing of cable joint kit for 11 KV (Earthed) grade cable for outdoor termination heat shrinkable type end joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 95 sqmm complete all as specified and as directed.

M&L for fixing of cable joint kit for 11 KV (Earthed) grade cable for indoor termination heat shrinkable type end joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 95 sqmm complete all as specified and as directed.

M&L for replacement of Zinc Oxide Distribution Class Lightening Arrestor 33 KV SMX type transmission class 36 KV , 10 KA 50 Hz suitable for system voltage 33/36 KV Complete all as specified and as directed by Engineer in Charge. Make- Jaipuriya/ Rashtriya/ CG.

M&L for PT Fuse indoor 33 KV (3.15 A) complete all as specifed and as directed by Engineer in Charge.

M&L for replacement of AC Ammeter of size suitable for existing ampmeter with input 0 -1 AAC and range 0 - 40 AAC with CTR 40/1A Aux supply 230 V ; 50 Hz complete incl all connections and programme setting in existing 33 KV main incoming Panel all as specified and as directed by Engr in Charge.

M&L for replacement of AC Voltmeter with input 0-120 V AC and range 0-36 KV AC with CTR 40/1A Aux supply 230 V ; 50 Hz complete incl all connections and programme setting in existing 33 KV main incoming panel all as specified and as directed by Engr in Charge.

M&L for replacement of existing Multi function meter with input 0-120 V AC and range 0-36 KV AC with 33 KV/110 V Aux Supply complete incl all connections and programme setting by the service engineer in existing 33 KV panel as per meter placed in panel all as specified and as directed by Engr in Charge.

M &L for calibration of Auxillary relay for transformer trip functions such as bucholz relay trip/WTI trip/OTI trip fixed on 33 KV control panels for power transformer with all respects and making all alignments properly including connecting with phase indicator on control panels for smooth functioning of tripping system complete all as specified and directed.

S&F in replacement compact LED type DC indicator lamp & holder assembly of capcity 50 Volts of colours as in existing panel with fitting /fixtures suitable for 33 KV and 11 KV VCB control panels connections with existing wiring & taking out old unservicable indicators from panel completete all as specified and directed by Engr in Charge.

S&F in replacement digital type Ampere Meter suitable for 11 KV VCB panel/11KV RMU SF6 to Check the outgoing load connections with CTs & taking out old unservicable meter from panel completete all as specified and directed by Engr in Charge.

Disconneting HT 11 KV supply of VCB 630 amps make CG of trolley by cleaning isolating contacts moving parts removing dust particles from bus bar chamber spout gear mechanism and moving parts, repair to motor charge spring mechanism tightening of nut & bolts of entire trolley components all as directed inserting in trolley, testing commissioning and putting on the supply on load complete all as directed. Note : Spare Parts which are required to replace of unserviceable spare parts will be paid under respective item of sch A :-

M&L for replacement of Isolating Contact Assembly 630 A suitable for 11kv VCB type HT breaker.

M&L for replacement of Anti Pumping device suitable for 11kv VCB type HT breaker.

M&L for replacement of Vaccum interrupter 2.4" dia suitable for 11kv VCB type HT breaker.

M&L for replacement of Spring Charging Motor with motor & operating coils suitable for 11kv VCB type HT breaker.

M&L for replacement of Closing Spring assembly suitable for 11kv VCB type HT breaker.

M&L for replacement of Motor Cut limit Switch suitable for 11kv VCB type HT breaker.

M&L for replacement of TNC switch suitable for 11kv VCB type HT breaker.

M&L for replacement of Auxillary switch ( 7 NO +7 NC) suitable for 11kv VCB type HT breaker.

M&L for replacement of Power pack with battery back up suitable for 11kv VCB type HT breaker.

M&L for replacement of Set of 3 nos spout bushing with CC parts upper 630 Amp suitable for 11kv VCB type HT breaker.

Set of 3 nos spout bushing with CC parts lower 630 Amps (suitable for item No. 18 above)

S&F in replacement PT fuse 11KV suitable for 11KV/110 PT complete all as specified and directed

S&F in replacement push to close/open button assembly for circuit breaker 11kv complete all as specified and as directed.

S&F in replacement of battery charger of 110v dc having automatic system for float and boost facility with suitable indication by means of LED indicators, battery bank comprises of 2V 165 AH batteries Complete all as directed by Engineer in Charge.

M&L for arranging fault locator machine to locate the fault in electric power cables of any size/length and any type of HT XLPE cable 11/33 KV grade and pin point the fault incl testing of the cables after locating fault and cutting the cable at fault and to check healthiness of cable after fixing the joint complete all as specified and as directed by Engineer-in-charge

M&L for replacement of Anti Pumping relay RE 300-24 DC Make Jyoti ltd or equivalent all as specified and directed by Engineer-in-Charge.

Dehydration including filtration and cleaning of transformer at site by centifugal dehydration machine till to achieve Di-electric strength 40 KV at 2.5 mm gap including testing of sample before and after dehydration and filtration complete all as specified and as directed by Engineer-in-charge. NOTE : -Contractor has to arrange the dehydration machine and testing kit without any extra cost of Govt

Supply & Filling transformer oil low viscosity type conforming to IS-335 (Latest revision) for topping up of transformer (having dielectric strength minimum 60 KV with 2.5mm gap) complete all as specified and as directed by Engineer-in-charge

S&F in renewal of transformer bushing LT side including brass set stems conical bush/gasket, tightening by using spring and star washer for indoor/ outdoor transformer for the following capacity-

(a) Up to 160KVA

(b) 200 to 400KVA

S&F in replacement porcelain transformer bushing HT 11kv incl brass set stems conical bush/gasket for indoor/outdoor transformer up to 400kva complete all as specified and as directed. Note: The rates quoted is deemed to be included the cost of necesary labour charges for draining out transformer oil, opening of top cover by unscrewing nut, bolts washers and suitable size pad type bus bar aluminium and nut patch washers etc

S&F in renewal silica gel breather assy with vent pipe for indoor/outdoor transformer of the following capacity:-

(a) Upto 160kva

(b) 200kva to 400kva

(c) 500kva to 1000kva

Design development supply commissioning and testing EHCC certified ground terminal earthing system hollow tube solid bar CCPRI tested for sensitive signal/Electrical equipments highly anti corrosive long life severe wear conditions in the earth pit and of standard size ISI marked copper tube out side secondary conductor of 50mm dia and main primary conductor inside 25mm dia 3000mm length ready to install with suitable connecting terminal confirming to IS:3043 1987 specification highly conducive packing material to be filled in earth pits for providing uniform low resistivity anti corrosive hygroscopic medium around the earth system for improving the efficency of current dissipation 20 Kg per bag (3 bag per kit) min or sufficeient quantities required as per site complete incl PCC pits of inside dimension 0.5x0.5x0.5m and suitable cover complete all as specified and as directed.

S & F in replacement of hot pressed moulded SMC boxes with hinged door fixing of size 345mm x 225 mmx 140 mm with MS clamp 25 x 3mm made to shape with necessry nuts bolts clamps and washers complete comprising of Aluminium bus bar 63 Amps capacity of suitable size -04 nos mounted over Porcelain insulator with nuts & bolts washers incl MCB SP 6 amps and making incoming and outging connections by taking out loops of cable of any size incl necesary excavations and other civil works complete all as specified and as directed. Make :- Sintex /Universal/ SMS

S & F in replacement of hot pressed moulded SMC boxes with hinged door fixing of size 200mm x 140mm x 95mm with MS clamp 25 x 3mm made to shape with necessry nuts bolts clamps and washers complete comprising of Aluminium bus bar 63 Amps capacity of suitable size -04 nos mounted over Porcelain insulator with nuts & bolts washers and making incoming and outging connections by taking out loops of cable of any size incl necesary excavations and other civil works complete all as specified and as directed. Make :- Sintex /Universal/ SMS complete

M&L for fixing of cable joint kit for 33KV (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 120sqmm complete all as specified and as directed.

M&L for fixing of cable joint kit for 11KV (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured aluminium conductor cable size 95sqmm complete all as specified and as directed.

Supply, laying in duct and jointing in replacement of XLPE insulated screened PVC bedded armoured with GI strip power cable (heavy duty) with aluminium conductor (Earthed) screened by layer of extruded semi conductor cross link able compound copper tapes, cross laid up with profiler 11000 volts grade, size 3 core 95sqmm complete all as specified

Surface dressing in soft/ loose soil not exceeding 15 cm deep complete all as specified and as directed by Engineer-in-charge

Forming embankments including raising (or lowering) earth, spreading in layers n exc. 30 cm thick; watering, ramming/ rolling and finishing to required size, shape, etc., n exc. 1.5 m high from base completeall as specified and as directed by Engineer-in-charge

M&L Broken stone or boulders Hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15cm thick complete all as specified and as directed by Engineer-in-charge

Net Contract Sum will be after deducting Sch of Credit of Rs 27,025.00

Singh Associates

AKHIL ENTERPRISES