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April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT

GL NARAYANANDGM(MSA)

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT ?

• AUDITING OF PROJECT SITE FOR COMPLETION OF REQUIRED ACTIVITIES/SYSTEMs BEFORE CARRYING OUT THE PROJECT MILESTONES.

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT - STAGES

• DRUM LIFTING• HYDRO TEST• BOILER LIGHT UP• TG BOX UP• ROLLING & SYNCHRONISATION

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT - PURPOSE

• TO ENSURE COMPLETION OF ACTIVITIES/SYSTEMs.

• TO ENSURE COMPLETION OF PROTOCOLs WITH CUSTOMER.

• ENABLE FASTER CONTRACT CLOSING

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT –DRUM LIFTING

• AUDITING BEFORE LIFTING OF BOILER DRUM

• ERECTION OF GIRDERS, COLUMNS AND MBLs AS PER MINIMUM STRUCTURAL REQUIREMENT.

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT –HYDRO TEST

• AUDITING BEFORE FILLING OF BOILER WITH WATER.

• COMPLETION OF ALL THE ERECTION, WELDING OF THE HEATING SURFACE AREA (PRESSURE PARTS) OF THE BOILER AND TESTING OF ALL THE JOINTS AND SURFACE OF THE PRESSURE PARTS FOR ANY LEAKAGE, BY CIRCULATING WATER AT SPECIFIED PRESSURE.

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT – BOLER LIGHT UP

• AUDITING BEFORE LIGHTING UP OF BOILER FOR THE FIRST TIME

• ALL THE C&I IS READY FROM CONTROL ROOM TO BOILER WITH COMPRESSED AIR, FD&ID FANS, ESP WITH TWO STREAMS, OIL SYSTEM READINESS AND AUX COOLING WATER ETC

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT – TG BOX UP

• ALL THE TURBINE CYLINDERS & GENERATOR ARE BOXED UP AND ROTORS ARE ALIGNED.

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT – ROLLING &

SYNCHRONISATION. • MACHINE GETS CONNECTED TO

GRID FOR THE FIRST TIME. ENSURE COMPLETION OF THE

FOLLOWING:• OIL FLUSHING• BARRING GEAR OPERATION

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT – ROLLING &

SYNCHRONISATION.• GOVERNING SYSTEM COMMISSIONING

INTERLOCK & PROTECTION CHECKING FOR TURBINE/GENERATOR

• AUTO CONTROL LOOP COMMISSIONING • ROLLING OF MACHINE &

CONDUCTANCE OF OIL INJECTION TEST FOR OVERSPEED CHECK

April 17, 2023 Power Sector- Technical Services

MILESTONE AUDIT – PROCESS

• SITE TO REQUEST FOR AUDIT AT LEAST A WEEK BEFORE THE MILESTONE

• ASSESSMENT OF COMPLETION OF ACTIVITIES• DEPUTATION OF AUDIT TEAM TO SITE 2-3

DAYs BEFORE THE MILESTONE• AUDIT AS PER CHECKLIST• COMPLIANCE REPORT TO BE SENT TO HQ

AFTER THE MILESTONE

April 17, 2023 Power Sector- Technical Services

THANK YOU