anomaly criteria
DESCRIPTION
AnomalyTRANSCRIPT
Sheet1QG ANOMALY CODE LISTINGAnomaly CodeDescriptionLimitsAWAnode WastageDepletion >50%BMBare Metal ExposedAnyBPBuried Pipe>5m in lengthCCCorrosion Coat DamageAnyCWWeight Coat DamageAnyCLClearanceAny between riser & clamp or pipeline & supportsCPLLow Cathodic PotentialAny < -850mVCPHHigh Cathodic PotentialAny > -1100mVCRGCorrosion GeneralAnyCRPCorrosion PittingDMDebris MetallicAny large, unsecured, abrasive, metallic or hazardousDNDebris Non MetallicFSFree Span>46m (38in PL7)>46m (38in PL8)>40m (42in CCSL)LKLeakAnyMGMarine Growth on RiserAny >50mmPDPhysical DamageAnyRMRelative MovementAnyLILack of IntegrityAnyOAOther AnomalyAny
OFTOff Track>5mPMParent Metal DamageAnyVLVariation from last SurveyAnyVSVariation from (As Built) SpecificationAnyWTWall Thickness LossAny sign of wasting
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