Presentation Lambèrt Prüst Managing Director © Copyright Imbema Pacific Indonesia Corrosion Management for Steel Jetty Piles

PresentationPresentation

Lambèrt Prüst Managing Director

Lambèrt Prüst Managing Director

www.imbemaindonesia.com©Copyright Imbema Pacific Indonesia

Corrosion Management for Steel Jetty Piles

http://www.iee-c.com/indocoating2008/default.htm

http://www.denso.net/


Who are Imbema / Winn & Coales ?

Surveys existing Jetties(Report findings & recommendations)

1. Splash Zone protection

2. Advanced Cathodic Protection

3. Internal Corrosion

4. Pile Cap Protection

Corrosion ManagementSteel Jetty Piles

Projects (Turn-Key)Projects (Turn-Key)

Corrosion ManagementPipes & Pipelines

Trading (B to B)Trading (B to B)

Offices: Haarlem (HQ - The Netherlands) Jakarta (Main Office - Indonesia) Surabaya (Branch - Indonesia)

PT. Imbema Pacific Indonesia is the sole agent for Denso Products (Winn & Coales) since 1981 in Indonesia.

Other Products


http://www.denso.net/

http://www.imbema.nl/



New Jetty steel piles

Designed lifetime 20 years

New Jetty steel piles

with proper Corrosion Management

Lifetime can be extended up to 50 years


LWL

- 0.05 / - 0.07 mm - Steel wall reduction per Year (#)4

HWL

Seabed

- 1.5 / - 1.75 mm - Steel wall reduction per Year ! (#)

3

2

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- 0.02 / - 0.20 mm - Steel wall reduction per Year (#)

Inside corrosionof the Jetty Piles

Corrosion issues on unprotected Steel Jetty piles

©Copyright Imbema Pacific Indonesiawww.imbemaindonesia.com

1.Splashzone Protection2.Cathodic Protection3.Internal Corrossion Prevention4.Pile Cap Protection

1

Corrosion Management Jetty Steel Piles (#) Registered by the Technical University of Surabaya in Indonesia

Sea Level

LWL

Jetty

©Copyright Imbema Pacific Indonesia


Sea Level

HWL

Seabed

LWL



Splash Zone Protection

+1 meter

+1 meter+1 meter

+1 meter

SeaShield Series 200DM®

(NACE guideline)

(NACE guideline)

1

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Jetty





Splash Zone Protection

18 mm

22 mm

Pertamina Balikpapan 1982 – 2007 (25 Years)


Sea Level

HWL

Seabed

LWL



1

Cathodic Protection

+1 meter

+1 meter

+1 meter

+1 meter


2

Advanced Cathodic Protection• Sacrificial Anodes (Max. 4 mtr)

• Impressed Current (Whole Pile length)

(Permanent Electrolyte)

Sp

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h Z

on

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Jetty



Sea Level

HWL

Seabed

LWL



Cathodic Protection

+1 meter

+1 meter

Sacrificial Anodes• Aluminium (Sea)• Zinc (Sea)

Every Pile has Cathodic

Protection Independently

Lifetime depends on kg’s attached to the pile Tendency anodes are stolen far before end of lifetime Difficult to monitor & control whole system Protection of max. 5 mtr in Seabed

Lower initial investment No bonding required of all the steel piles

Cons: Pros:

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Jetty

©Copyright Imbema Pacific IndonesiaMax. 5 meter of pile protected


Seabed



Cathodic Protection

+1 meter

+1 meter

Impressed Current

Design lifetime => 25 years Simple to monitor & control Entire length of pile in seabed protected Correct application is easy to prove during commissioning

Higher initial investment ( 10% - 15%) Bonding required of all the steel piles Running costs (electricity)

EXTERNAL

ANODES

TRUDC AC

Transformar Rectifier Unit

380V/220V(~)

+-

Bonding

Pros: Cons:

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on

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Jetty

©Copyright Imbema Pacific IndonesiaEntire length of Pile of protected !


Sea Level

HWL

Seabed

LWL



1

Internal Pile Protection

+1 meter

+1 meter

+1 meter

+1 meter


2Cathodic Protection

3

Denso Inhibitors

Sp

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h Z

on

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Jetty




The Jetty, one of the lifelines of your Company

1.SeaShield 200DM Series2.Impressed Current3.Denso Inhibitor4.Pile Cap Protection

Corrosion Management Jetty Steel Piles:



The Jetty, one of the lifelines of your Company

Survey on 3 year old jetty proves that immediate action is required to avoid future damage

June 2008




6 year old Jetty steel piles




4.8 mm






1.SeaShield 200DM Series2.Impressed Current

Corrosion Management

Jetty B (new)

Steel Jetty Piles

after installation SeaShield System

Jetty A (new)



For new Jetties:

1. Team up with Consultant / Owner to design the right system2. Product selection/production3. Application

(Steps recommended)

(Note: Please fill in Questionnaire to request a quotation for a Survey)

For existing Jetties:

1. Survey and report / budget analyses2. Product selection/production3. Technical adjustments existing jetties4. Application




Indonesia is in one of the worst corrosion beltsin the world. An appropriate investment inCorrosion Management for Steel Jetty Pileswill extend the lifetime and as result a solid

Return on Investment (ROI).

End Conclusion:

www.imbemaindonesia.comwww.imbemaindonesia.com


Documents

Presentation Lambèrt Prüst Managing Director © Copyright Imbema Pacific Indonesia Corrosion Management for Steel Jetty Piles