ROUTINE MAINTANENCE OF LT NETWORK AND ELECTRICAL INSTALLATION AND PREVENTIVE MAINTANENCE OF SERVO VOLTAGE STABILIZER AT AF STATION BAMRAULI

Amount

Excavation in trenches in soft / loose soil, n.exc. 1.5M wide and n.exc. 1.5M deep and getting out complete, all as specified & directed .

Returning filling in including spreading, leveling, watering and well ramming in layers n.exc. 25cm thick complete all as specified & directed.

Removal of surplus excavated material to a distance n.exc. 50 Mtr and depositing where directed at a level n.exc. 1.5 Mtr above starting point complete all as specified & directed

Supply and laying sub class 'B' bricks (Old Size) laid flat in trenches as cable covers for cable proctection all as specified and directed

Supply and spreading clean and dry coarse sand (unwashed) in trenches around the cable for cushioning all as specified & directed

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 16 Sqmm 4 core.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 25 Sqmm 3.5 core.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 35 Sqmm 3.5 core.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 50 Sqmm 3.5 core.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 70 Sqmm 3.5 core.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power underground cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 120 Sqmm 3.5 core.

M&L for Painting of 9 m steel pole with cross arms, clamp of any length and shape for LT overhead line with two coat of aluminium paint including preparation of the existing surface including marking pole numbers in a 15 cm dia White circle & marking three black & two White bends width 30 cm by fluorescent paint at 1.5 Mtr height from bottom of pole, complete all as specified and directed.

M&L for Painting of 11 m steel pole with cross arms, clamp of any length and shape for LT overhead line with two coat of aluminium paint including preparation of the existing surface including marking pole numbers in a 15 cm dia White circle & marking three black & two White bends width 30 cm by fluorescent paint, at 1.5 Mtr height from bottom of pole, complete all as specified and directed.

M&L for replacement of existing rusted panel board doors with new panel doors made out of 2.6 mm ( 12 SWG) thick CRCA sheet duly painted with two coats of approved enamel paint over a coat of red oxide primer all as specified & directed.

Repair and maintenance of 3 phase, oil cooled servo stabilizer (any make) after disconnecting all incoming/outgoing connections, taking out of dimmer stator, main transformer from the body, transformer oil etc cleaning the body, re-assembling and re-installed the same after repairs including connection and continues load testing for eight hours complete all as specified and directed for the following capacities:- Note :- (1) Supply and fixing Spare parts shall be measured and paid separately under respective item of Sch 'A'. (2) All Work shall be carried out by OEM

(b) 10 KVA to 20 KVA.

M&L for cutting down/removing existing burnt winding from main transformer of servo stabilizer 160 KVA of any make and rewinding with super enameled copper wire matching to existing gauge/size including all insulated material and testing complete all as specified and directed. Note :- Unit rate shall be per Kg of supper enamelled copper wire used in rewinding which includes all the work as per the description of items.

M&L for cutting down/removing existing burnt winding from main transformer of servo stabilizer 200/250 KVA of any make and rewinding with super enameled copper wire matching to existing gauge/size including all insulated material and testing complete all as specified and directed. Note :- Unit rate shall be per Kg of supper enamelled copper wire used in rewinding which includes all the work as per the description of items.

M&L for cutting down/removing existing burnt winding from main transformer of servo stabilizer 50/100 KVA of any make and rewinding with super enameled copper wire matching to existing gauge/size including all insulated material and testing complete all as specified and directed. Note :- Unit rate shall be per Kg of supper enamelled copper wire used in rewinding which includes all the work as per the description of items.

M&L for cutting down/removing existing burnt winding from main transformer of servo stabilizer 30/10 KVA of any make and rewinding with super enameled copper wire matching to existing gauge/size including all insulated material and testing complete all as specified and directed. Note :- Unit rate shall be per Kg of supper enamelled copper wire used in rewinding which includes all the work as per the description of items.

S&F in replacement of RC net work for 400 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of RC network for 100/200/250 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of RC network for160 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of RC network for 50 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of RC network for 30/10 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of rotary switch for 400 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of rotary switch for 100/200/250 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of rotary switch for 160 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of rotary switch for 10 to 50 KVA servo stabilizer of any make complete all as specified and directed.

S&F circuit board (PCB) for 400 KVA servo stabilizer of any make complete all as specified and directed.

S&F circuit board (PCB) for 100/200/250 KVA servo stabilizer of any make complete all as specified and directed.

S&F circuit board (PCB) for 10 to 50 KVA servo stabilizer of any make complete all as specified and directed.

S&F in replacement of push button of servo stabilizer of following capacity of any make complete all as specified and directed:-

(a) Suitable for 400 KVA.

(b) Suitable for 250/200/100 KVA

(c) Suitable for 10 to 50 KVA.

S&F in replacement of servo motor of 400 KVA servo stabilizer after disconnecting all connection complete all as specified and directed.

S&F in replacement of servo motor of 250/200/100 KVA servo stabilizer after disconnecting all connection complete all as specified and directed.

S&F in replacement of servo motor of 10 to 50 KVA servo stabilizer after disconnecting all connection complete all as specified and directed.

S&F in replacement of voltmeter 0-500 volt digital type accuracy class 1 matching to existing one complete all as specified and directed.

S&F in replacement of ammeter digital type accuracy class 1 matching to existing with CT of suitable ratio complete all as specified and directed for the following capacity:-

M&L for filtration/dehydration of old transformer oil for transformers fitted on pole/platform using movable dehydration machine by bringing the machine at site. The job included measurement of dielectric strength of transformer oil before and after filtration. The di electric strength of the transformer oil after filtration must be not less than 40 KV complete all as specified and directed. Note :- The filtration/dehydration will be done by a machine having suitable capacity.

Supply and topping up of new transformer oil in transformer where oil level of transformer is below minimum level complete all as specified and directed. Note :- (i) The dielectric strength of transformer oil must be not less than 40 KV. (ii) The transformer oil to be brought to the site in sealed drum.

M&L for Attending and rectifying any type of external electrical complaints by electrician and helper, disconnection of jumpers, blowing off fuse, breaking of conductor or any other type of fault (HT and LT) in North camp, Tech area , south camp , Happy Home ,71 RMU ,820 SU, Enclave, Begum Bazar , 14 P&SU and other area as directed by engr-in-Charge. Note :-1. The contractor will be responsible for safety, security and upkeep of installation and manpower deployed as per MES standard of installation. 2. All Tools and plants like Plier, Screw driver, tester, test lamps, Multi meter, Bamboo Ladder etc for rectifying the fault occuring in 11 KV/430V/230 V VCBs, 11 KV GODs/DO fuses at Two/four Pole structure and LT Connection from Pole to main DB will be provided by the contractor. 3. All type of minor Part ie rewirable fuse / DO fuse etc shall deemed to be included in quoted rate.4. Each job contains minimum Five complaints. 4. Each Job (minimum Five complaints) done by one Electricin. 5. Complaint shall be attended without refushing as and when called for by Engineer-in-Charge.

Supply & fixing in replacement of MCCB 630 Amps, 4 pole,breaking capacity 50KA thermal & megnatic adjustable type, 415 volts , 50 Hz . Make : Havells/Legrand/L&T/ INDO ASIAN

Supply & fixing in replacement of MCCB 400 Amps, 4 pole, breaking capacity 50 KA at 415 volts , 50 HZ, thermal & megnatic adjustable type. Make : Havells/Legrand/L&T/ INDO ASIAN

Supply & fixing in replacement of MCCB 315 Amps, 4 pole, breaking capacity 50 KA at 415 volts , 50 HZ, thermal & megnatic adjustable type. Make : Havells/Legrand/L&T/ INDO ASIAN

Supply & fixing in replacement of ON Load change over switch 125 Amps, 4 pole,415 volts , 50 Hz, adjustable type. Make : Havells/Legrand/HPL/ INDO ASIAN.

Supply & fixing in replacement of ON Load change over switch 250 Amps, 4 pole,415 volts , 50 Hz, adjustable type. Make : Havells/Legrand/HPL/ INDO ASIAN .

Supply & fixing in replacement of ON Load change over switch 400 Amps, 4 pole,415 volts , 50 Hz, adjustable type. Make : Havells/Legrand/HPL/ INDO ASIAN .

M&L for disconnecting all incoming and outgoing cables from LT Panels and refreshing all connections by replacement of carbonised lugs including taking out sand from the trenches and refilling fresh sand for cushioning of the cables and reconnecting the cables to the busbars with new GI Nut bolts after wrapping the busbars with PVC tape as per standard colour code checking all thimbles,working of contactors MCCBs ,indicators ,wiring kit all as directed and reassembling and testing for smooth functioning of Relays timers ,and electronic parts complete.NOTE: (i) Cost of lugs,glands,PVC tape and GI nut bolts deemed to be included in the quoted unit rates.

M&L for Surface excavation n. exc 30 cm deep and avarage 15 cm deep and getting out in soft/ loose soil complete all as specified and as directed by Engineer in Charge.

M&L for PCC (1:4:8) type D-2 (using 40 mm graded stone aggregate) in foundation, filling and mass concrete complete all as specified and directed by Engineer in Charge..

M& L for 75 mm thick PCC (1:2:4) type B1 (20 using mm graded stone aggregate) in floor and finishing cement concrete surfaces even and smooth without using extra cement complete all as specified and directed by Engineer in Charge.

M& L for cleaning the shrubs and vegetation around street/ security light pole upto 1 metre and disconnecting all incoming and outgoing cables from junction boxes and refreshing all connections by replacement of carbonised lugs and reconnect the incoming and outgoing connection in junction box with proper lug/ thimbles after digging out cable inside the earth.

M& L for cleaning the shrubs and vegetation around LT panels including levelling of surface around LT panel complete all as directed and specified by Engineer in charge.

Supply and laying in replacement of cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elect power cable (heavy duty) 1100 volt grade with stranded aluminium conductor of size 240 Sqmm 3.5 core.

As per item No 54 but size 300 sqmm 3.5 core.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old materials.

M/S A M ENTERPRISES

Mohit Enterprises

M/S vibhuti enterprises

DEORA ELECTRIC WORKS

Krishna Enterprises