CONNECT BACK 10NO OF PRODUCT LINES
CONNECT BACK UTILITIES LINES
TESTING OF PIPE LINES
PIGGING OF PIPE LINES
PIPE GROUTING, GUIDE, ANCHORING
RE-CALIBRATION OF PIPE LINES
PAINTING
SURVEY
REMOVAL OF PIPE STRUCTURAL BUNDLE AFTER TIE-IN OF NEWS LINES ON STRUCTURE
DISMANTLE AND REMOVE
HYDRO TEST
FLUSHING
PIGGING
N2 PACK
PIGGING REPORT ASK VOPAK TO SIGN
HYDRO TEST REPORT ASK VOPAK TO SIGN
TO HAVE FAST PROGRESS -
CHECK WITH QC -
WHICH PIPE LINES IS X RAY PASS
LINE CLEAR (EARTH LUG, ANCHOR POINT)
MUST KNOW WHAT LINE IS WHAT PRODUCT
VAPOUR LINE MORE DANGEROUS, WHEN REACH FLASH POINT-PIPE EXPLODE
OLD USED PIPE - BEFORE CUT - AIR BLOW WHOLE NIGHT, N2 PURGE
USE LONG ELBOW EASY TO PIGGING - FOR PRODUCT PIPE LINES
HYDRO TEST
USE ELECTRICAL PUMP - HOT WORK PERMIT
USE PNEUMATIC PUMP - COLD WORK PERMIT
USE FIRE HYDRANT LINES - OFF JOCKY PUMP ALARM, JETTY PUMP OFF
FILL WATER FROM LOWEST POINT
RELEASE AIR FROM HIGHEST POINT
AFTER HYDRO TEST- RELEASE PRESSURE TO ZERO
CLEAN RESIDUAL WATER WITH BRUSH PIG, THEN FOLLOW BY SPUNCH PIG
TO ENSURE WORK ARE CARRIED OUT SAFELY WITH GOOD QUALITY AND WITHIN BUDGET.
