Biennial contract for round the clock routine, preventive and breakdown maintenance of entire Electrical systems of main plant and offsite areas BOP excluding CHP

Amount

PART-A: LIGHTING , WELDING AND CABLING NETWORK MAINTENANCE

Round the clock operation & maintenance, daily routine & breakdown maintenance of permanent station lighting system the lighting systems & Installation of new electrical points, light fittings/fixtures, lighting transformers, welding receptacle, Electrical wiring to provide new connection, Erection/repair of G.I. conduit pipe and other lighting maintenance work etc.

Up keeping/cleaning of various cable vaults/galleries/trenches and racks

Excavation of trench

Routine/Breakdown maintenance of all exhaust fan and ventilation system at various places

Laying/ salvaging of power /control cables of Dia upto 80 MM.

Jointing and end termination of control cables of all sizes

Jointing and End termination of LT power cables of all sizes

Jointing and End termination of HT power cables of all sizes

Painting of various type electrical equipments /panels, HT/LT busducts, HT/LT Transformers, HT/LT motors, Paintingof Street lights poles and other electrical equipments

Fabrication & fixing of Canopy upto 1 Sq meter

Supplying of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required. Size: 20 mm

supplying follwing size of FRLS PVC insulated copper conductor single core cable in the existing surface/recessed steel/PVC conduit as required

2 x 2.5 sq. mm

2 x 4 sq. mm

Supplying of metal box of following sizes (nominal size) on surface or in recess with suitable size of phenolic laminated sheet cover in front including painting etc. as required.

Size: 200x125x60 mm

Size: 200x250x75 mm

Supplying of following piano type switch/ socket on the existing switch box/ cover including connections etc. as required.

5/6 A switch

15/16 A switch

3 pin 5/6 A socket outlet

5 pin 15/16 A socket outlet

Supplying following rating, double pole, (single phase and neutral), 240 V, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required. Rating: 25Amps

Supplying following rating, four pole, (three phase and neutral), 415 V, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

63 Amp and above

PART-B : MAINTENANCE OF HT AND LT MOTORS

Routine and Preventive Maintenance of HT, LT& DC motors of main plant and offsite BOP area

LT MOTOR (<=2.2KW) Attend Defect

LT MOTOR (>2.2-5.5KW) Attend Defect

LT MOTOR (>5.5-18.5KW) Attend Defect

LT MOTOR (>18.5-37KW) Attend Defect

LT MOTOR (>37-55KW) Attend Defect

LT MOTOR (>55-90KW) Attend Defect

LT MOTOR (>90KW) Attend Defect

DC MOTORS(<=10KW)-Attend Defect

DC MOTORS(>10-20KW)-Attend Defect

DC MOTORS(>20KW) Attend Defect

LT MOTOR (<=5.5KW) Connection

LT MOTOR (>5.5-18.5KW) Connection

LT MOTOR (>18.5-37KW) Connection

LT MOTOR (>37-55KW) Connection

LT MOTOR (>55-90KW) Connection

LT MOTOR (>90KW) Connection

HT MOTORS Terminal connection / disconnection

LT MOTOR (<=2.2KW) OH / Servicing

LT MOTOR (>2.2-5.5KW) OH / Servicing

LT MOTOR(>5.5-18.5KW)-OH / Servicing

LT MOTOR(>18.5-37KW)-OH / Servicing

LT MOTOR(>37-55KW)-OH / Servicing

LT MOTOR(>55-90KW)-OH / Servicing

LT MOTOR(>90KW)-OH / Servicing

DC MOTORS(<=10KW)- OH/ Servicing

DC MOTORS(>10-20KW)-OH / Servicing

DC MOTORS(>20KW)-OH / Servicing

Deployment of highly skilled manpower for unscheduled jobs

Deployment of skilled manpower for unscheduled jobs

Deployment of semi skilled manpower for unscheduled jobs

HT MOTORS (<=1000KW) Attend Defect /Servicing

HT MOTORS (>1000-2500KW) Attend Defect /Servicing

HT MOTORS(>2500-5000kW)-Attend Defect / Servicing

HT MOTORS(>5000kW)-Attend Defect / Servicing

LT MOTOR (<=10 KW) Shifting/Replacement

LT MOTOR (>10- 30 KW) Shifting/Replacement

LT MOTOR (>30-75KW) Shifting/Replacement

LT MOTOR (>75-90 KW) Shifting/Replacement

LT MOTOR (>90KW) Shifting/Replacement

DC MOTORS(<=10KW)-Shifting/Replacement

DC MOTORS(>10-30KW)-Shifting/Replacement

DC MOTORS(>30KW) Shifting/Replacement

HT MOTORS (<=1000KW) Shifting/rotation

HT MOTORS (>1000-2500KW) Shifting/rotation

HT MOTORS(>2500-5000kW) Shifting/rotation

HT MOTORS(>5000kW) Shifting/rotation

Miscellaneous machining/ repairing works

Rewinding of 3-Phase 440V induction motor

Up to1.0 KW

Above 1.0 KW up to 5 KW

Above 5 KW up to 10 KW

Above 10 KW up to 20 KW

Above 20 KW up to 30 KW

Above 30 KW up to 40 KW

Above 40 KW up to 55 KW

Above 55 KW up to 70 KW

Above 70 KW up to 80 KW

Above 80 KW up to 100 KW

Above 100 KW up to 110 KW

Above 110 KW up to 135 KW

Above 135 KW up to 145 KW

Above 145 KW up to 200 KW

Rewinding of Single phase 240V AC induction motor

Up to 1.0 KW

Rewinding of 220V DC Motor/Generator

Up to 1 KW

Above 1 KW up to 5 KW

Above 5 KW up to 20 KW

Above 20 KW up to 40 KW

Above 40 KW up to 60 KW

PART-C: LT AND HT SWITCHGEAR MAINTENANCE

Round the clock maintenance and Routine & Preventive maintenance work of HT, LT switchgear,PMCC, MCC, PCCmodules, local control panels, AC DBs,DCDBs ,HVAC panels and including DC motor panels of main plant and offsite BOP area

Breakdown maintenance of HT breakers switchgear boards (11KV & 3.3 KV)& HT Bus Bars

Breakdown maintenance LT breakers, Modules PMCC/MCC /PCC/DC Control Panels and Power & control bus bars of LT panels

Routine, preventive &breakdown maintenance of all EOT cranes, Hoists &winches of TG & BOP areas.

Testing Engineer

Highly Skilled manpower deployment for unscheduled jobs

Skilled manpower deployment for unscheduled jobs

Semi Skilled manpower deployment for unscheduled jobs

PART-D: TRANSFORMERS & its Equipments

Routine checks of Transformers up to 40MVA

Preventive maintenance of Transformer upto 40MVA

Breakdown maintenance of Transformer upto 40MVA

Oil filtration of transformers rating up to 40MVA (Except switchyard)

Bushing Replacement of Transformer upto 40 MVA

PART-E: MAINTENANCE OF DC SYSTEM AND DG SETS

Routine and Preventive maintenance of DG set AMF panels,220V DC battery banks &Chargers installed at Main Plant & BOP areas

PART-F: MAINTENANCE OF ESP & Associated Electrical Equipments

Arresting of oil leakage from high voltage rectifier transformer

Checking, Cleaning and inspection of ESP area electrical equipments

Annual Preventive & Break-down maintenance of ESP fields/Tr panels

Annual Preventive & breakdown maintenance of ESP rectifier transformers

Oil filtration of Rectifier Transformer of ESP

Cleaning and Inspection of High Voltage rectifier transformer

Deployment of highly skilled manpower for unscheduled jobs

Skilled manpower deployment for unscheduled jobs

Semi Skilled manpower deployment for unscheduled jobs

Replacement of damaged with New/repaired ESP transformer along with negative bushing chamber by dismentalling,lowering down, shifting,lifting up & recommissioning and associated works and connecting it to field

PART-G: MAINTENANCE OF GENERATOR AND AUXILLIARIES

Assistance in Daily checking of Generator parameters Upkeep and routine maintenance of various panels of Generator & its auxiliaries including IP,SP,NSPBD, Air pressurization units, PT cubicles, CT & PT, Marshalling boxes, ECUP

Transportation/Loading/Unloading of H2 gas filling

Servicing / Overhauling/Replacement of AC/DC seal oil pumpor float trap valveof seal oil system as per scope of work

Servicing / Replacement of valves of H2 Gas/Seal Oil System / Primary Water System Valve as per scope of work

Removal/ Filling of H2 gas from Generator as per scope of work

Alignment of Primary Water/seal oil pumps with AC/DC motor as per standard procedure.

Replacement ofBearing/ Mechanical seal of seal oil pump by isolating & dismantling and assembling & installation after completion of work

Servicing /Overhauling/Bearing replacement of Primary Water Pump

Replacement/Cleaning of seal oil system duplex Filter

Replacement/Cleaning of SWCS cooler Filter

Replacement of Resins

Servicing of Duplex filter of seal oil system as per scope of work

Attending Leakage from Generator gas coolers Coolers as per scope of work

Replacement of defective generator hydrogen gas cooler

Detecting Hydrogen gas leakage with help of soap solution and attending minor gas leakage from entire generator system

Breakdown maintenance of thyristor cooling fans

Replacement of rubber expansion bellows of phase and neutral side of generator terminal/phase

Work on IP/NSPBD/SP bus ducts of UT/UAT/GT

Cleaning/repalcement of flexible links of phase/neutral side of generator terminal as per scope of work

Replacement of phase/neutral side protection CT

Deployment of highly skilled manpower for unscheduled jobs

Deployment of skilled manpower for unscheduled jobs

Deployment of semi-skilled manpower for unscheduled jobs

OEM based services as per scope of work(regular visit)

OEM based services as per scope of work(Emergency Visit)

PART-H: O&M of 765 KV AIS/400 KV GIS switchyard and Transformers/ICTs/Reactors above 63 MVA/MVAR.

Operation and maintenance of 765 KV AIS/400 KV GIS switchyard and Transformers/ICTs/Reactors above 63 MVA/MVAR.

Shift duty of operating personnel in 3 shifts in a day of765KV AIS/400 KV GIS Switchyard of Obra CTPS.

Engagement of Electrical Field Operation Assistant (Operator) Round the clock in Shift for TWO year

2 nos. Shift Operator for Operation of Main Plant MV, LV Switchgear, MCC rooms and DC battery rooms.

2 nos. Shift Operator for Operation of MV, LV Switchgear, MCC room of ESP & FGD

2 nos . Shift Operator for Operation of LV Switchgear, MCC room of W& WWTP

2 Nos. Shift Operator for Operation of MV, LV Switchgear, MCC room of AHP