One Time Service and maintenance of LV Switchgear system

Break Down
Posted On: November 24, 2022
Closing On: November 29, 2022
JOB REFERENCE:
JB007-22-02786

One Time Service and maintenance of LV Switchgear system

 

                 ACB servicing

                 Capacitor Bank servicing and replacement of parts

                 Thermography (Infrared scanning) with certified Thermographers report

 

SL

Description

Incomer/Outgoing

Capacitor Bank

1

LV-Panel-1

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
Bus riser-1: 2500A, Make: L&T (U-Power) Mode: UN2-25S
O/G MCCB: 3 Nos

350 kVAR-APFC

Make: EPCOS

Model: BR6000

2

LV-Panel-2

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
Bus riser-2: 2500A, Make: L&T (U-Power) Mode: UN2-25S
O/G MCCB: 2 Nos

350 kVAR-APFC

Make: EPCOS

Model: BR6000

3

LV-Panel-3

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
Bus riser-3: 2500A, Make: L&T (U-Power) Mode: UN2-25S

350 kVAR-APFC

Make: EPCOS

Model: BR6000

4

LV-Panel-4

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
O/G MCCB(BB-4): 1 Nos

350 kVAR-APFC

Make: EPCOS

Model: BR6000

5

LV-Panel-5

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
O/G MCCB(BB-5): 1 Nos

350 kVAR-APFC

Make: EPCOS

Model: BR6000

6

LV-Panel-6

Main Inc: 2500A, Make: L&T (U-Power) Model: UN2-25S
O/G MCCB: 7 Nos

350 kVAR-APFC

Make: EPCOS

Model: BR6000

 

 

SCOPE OF WORK

 

ACB:

• Cleaning of breaker with CRC

• Removal of old grease if required and re-greasing with recommended grease.

• Check condition of arcing contact and gap between fixed and moving arcing contacts shall be checked.

• Checking the reset mechanism, tripping of breaker through push button

• Checking and adjust freeness of DN and volt metric release trip rod

• Checking presence and proper tightening of hardware.

• Checking presence of all circlips

• Checking condition and alignment of jaw contact with cradle terminals

• Checking condition of ACB wiring and replace if required

• Checking and adjusting gap between hylam sheet and side plate

• Checking proper closing of all poles together

• Checking working of anti-pumping device in case of EDO ACB

• Checking alignment of SIC and its operation

• Checking scrapping earth alignment

• Checking condition of arc chutes

• Checking U/V release pick up and drop off

• Checking ACB tripping through shunt release

• Checking motor operation in case of EDO ACB

• Checking closing coil operation in case of EDO ACB

• Checking continuity and proper changeover of aux contact block

 

Capacitor Bank:

• Removal of faulty components from the capacitor bank

• Supply and Installation of components as per the BOQ - upon site visit

• Each capacitor current loading will be check w.r.t Kvar.

• Capacitance healthiness check of each capacitor

• Contactor coils visual check (Including tightness)

• Continuity check for control diagram.

• Configuration setting for PFC controller.

• Visual checks will be carried out for capacitor banks.

• Contact cleaning will be done with CRC cleaners results in sparking

• Tightness will be check for all the power contacts.

 

Thermography:

• Carry out thermal scanning on the MDB, Capacitor Banks

• Prepare and analyse reports as per standards through software.

• Compare results and submit report with recommendations 

Terms & Condition

No Subcontracting: In accordance to Jointly Owned Property Law No.6,2019, Notwithstanding anything in this Agreement, the vendor/contractor may not use any subcontractor to perform any of his obligations under this work order. Unless: 

(a) Vendor has obtained the prior written consent of SAGA to the use of the subcontractor, and 

(b) Vendor has entered into a separate written agreement with the subcontractor which requires the subcontractor to agree to and abide by all the terms and conditions of this Agreement. 

The Community shall be deemed to be a third-party beneficiary of any such agreement between the vendor and a permitted subcontractor. 

Notwithstanding the foregoing, the vendor shall not be relieved of any of its duties or obligations under this Agreement as a result of entering into a written agreement with a permitted subcontractor.
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SAGA International
SAGA International
Mazaya Business Avenue BB2 Jointly Owned Property
Mazaya Business Avenue BB2 Jointly Owned Property
Commercial

Mazaya Business Avenue BB2 Jumeirah Lakes Tower, Dubai, United Arab Emirates

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