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Innovative Solutions for Non IntrusiveInspecting of Insulated Objects

ing. Mark de WaardProject Manager

Applus RTD

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Contents

Introduction Applus RTD

Non Intrusive Inspection

Principle of RTD-INCOTEST ®

Top 5 Applications

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Introduction Applus RTD

RTD was Founded in 1937 in the NetherlandsPart of the Applus Group in 2006Specialized in Non-Destructive Testing (NDT) andInspection Solutions

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Introduction Applus RTD

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Examine installation parts whenever you want while in-service

No unnecessary destruction of insulation or other

Status on interior/exterior of equipment

Know what is happening before a maintenance shutdown

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Non-Intrusive means

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Last minutedefects are found

ExtendeddowntimePlanned downtime

Early in-serviceinspection

Downtime is shorter as you know exactlywhere to look without last minute surprises

Common approach

The Applus RTD approach

Minimizing Downtime

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In-Service Spot Check

Alternative RTD-INCOTEST®

? Average Wall Thickness screening in one single areaMapping according to gridOnly global degradation; detection of local corrosion is

sheer luck

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Principle of RTD-INCOTEST ®

IN sulated COmponent TEST ing,by means of Pulsed Eddy Current (PEC)

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Principle of RTD-INCOTEST ®

Low Alloy Carbon Steel (ferromagnetic)

Wall Thickness 6-65 mm

Insulation Thickness

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Principle of RTD-INCOTEST ®

Sensor selection diagram - none, alu & SS sheeting

0

10

20

30

40

50

60

70

0 25 50 75 100 125 150 175 200 225 250 _ _ _ _ MKI Lift-off [mm] _____ MKII

W a l

l t h i c k n e s s

[ m m

]

V1.0-02

P0.5-1

P1.5-04

P0.25-0

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Standard probes

50mm

Principle of RTD-INCOTEST ®

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Principle of RTD-INCOTEST ®

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Time

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Principle of RTD-INCOTEST ®

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Principle of RTD-INCOTEST ®

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InspectionGrid

AWT [%]

Eddy CurrentDecay

Evaluation

Numbers

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Top 5 Applications

Sphere Legs

Piping

Vessels and Tanks

Columns

Sub Sea Applications

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Top 5 Applications – Sphere Legs

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Top 5 Applications – Sphere Legs

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Top 5 Applications – Piping

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Top 5 Applications – Vessels and Tanks

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Top 5 Applications – Columns

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Top 5 Applications – Sub Sea

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Off-shore = On-shore for RTD-INCOTEST ®

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Top 5 Applications – Sub Sea

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Conventional

Down timeScaffolding

Insulation RemovalSurface preperationInspection

Apply Insulation

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RTD-INCOTEST ®

On streamRope Access orExtension ToolDirectly on Insulation

Why RTD-INCOTEST ®

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Screening and follow-up

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False Call

Severe Corrosion !

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Reporting RTD-INCOTEST ®

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Corrosion Detection

Screening Tool

No Direct Surface Contact Needed

No Surface Preparation Needed

On-Stream

Saves Time, Costs * and Risk

*NOTE RTD INCOTEST® i ti i t f i t g l i ti h t d l