O RING REPLACEMENT FOR TWO CHILLERS (EXCEPT COMPRESSOR) and CH-02, COMPRESSOR MOTOR CONTACTORS REPLACEMENT

Services
Posted On: August 4, 2022
Closing On: August 11, 2022
JOB REFERENCE:
JB007-22-02154

O RING REPLACEMENT FOR TWO CHILLERS (EXCEPT COMPRESSOR)

 

·         Apply LOTO.

·         Mobilize team at site with mandatory tools required

·         Obtain the relevant work permit

·         Inform the plant operator prior to all activity

·         Use all required PPE

·         Arrange RSR unit and refrigerant recovery cylinders in 26th floor.

·         Recover refrigerant from the chiller with use of RSR unit and weighed.

·         Lock out tag out from the chiller main power.

·         Removing of recommended spares for replacement

·         Drain the oil from the oil sump and collecting tank.

·         Replace complete O Rings except compressor.

·         Charge nitrogen in system Gradually and maintain pressure up to 150 PSIG

·         Hold Nitrogen pressure 150 PSIG pressure for 24 Hours and certify pressure test report.

·         Release nitrogen pressure slowly to outside of plant room with hose pipe if safe to do.

·         Carry out vacuum test and confirm vacuum holding

·         Charge recovered oil and top up oil also.

·         Hold vacuum test for 24 Hours and certify vacuum confirmation.

·         Charge the recovered refrigerant and start up the chiller.

·         Recovered Refrigerant quantity less in chiller design need to top up the refrigerant.

·         Remove nitrogen rack / Cylinders from site

·         Startup and decommissioning the system.

·         Testing & report submission

·         Handover & record all parameters


CCH-02, COMPRESSOR MOTOR CONTACTORS REPLACEMENT

 Apply LOTO.

 Mobilize team at site with mandatory tools required

 Removing of faulty/malfunctioning contactors

 Supply & replacement of new compressor motor contactors ABB

 Startup the system

 Testing & report submission 

 Handover & record all parameters

Refer attached scope of work





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.

Payment will be done after work completion upon submitting the invoice along with work completion/service reports/warranty certificates. 
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SAGA International
SAGA International
Sulafa Tower Jointly Owned Property
Sulafa Tower Jointly Owned Property
Mixed Use

Sulafa Tower Dubai Marina, Dubai, United Arab Emirates

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