INSPECTION REPORTUnit: C5AR Inspector Date Signature

Number: C506D02-3-R2 DE WEEVER 12/20/06RDWService TOWER BOTTOM

W.O. #:

PMI PROJECT: C5ARPERIOD: Nov-Dec 2006

PMI inspection done and found 1 carbonsteel and 1 1/4Cr alloy within the 5Cr 1/2Mo pipe circuit.

RECOMMENDATIONS

# 1: Renew a 12” valve.material 5 Cr ½ Mo.

#2: Remove 1 1/4Cr weld and re-weld with P5 electrodes.Use P5 to P5 WPS/PQR,PWHT 1375 degF, 241 BHN max. 100%RTPipe material: 5 Cr 1/2Mo